A person invests 3500 dollars in a bank. The bank pays 4% interest compounded quarterly. To the nearest tenth of a year, how long must the person leave the money in the bank until it reaches 5400 dollars?

Answers

Answer 1

Answer:

10.9 years

Step-by-step explanation:

Quarterly compounded means that the principal or starting amount earns interest 4 times per year. Accrued means that amount reached, $5,400 in this case. The the variable t represent the time in years.

[tex]t = \frac{ln(\frac{Accrued}{Starting}) }{4(ln(1+\frac{0.04}{4}) }[/tex]

[tex]t = \frac{ln\frac{5400}{3500} }{4(ln(1.01))}[/tex]

Put this into a calculator, because it is not at all easy to calculate natural logarithms by hand.

t = 10.895 years

Round to the nearest tenth.

t = 10.9 years


Related Questions

Write the equation of a circle with radius 10 and center (7, -9) in standard form.

Answers

The equatiοn οf a circle is (x-7)² + (y+9)² = 100.

What is an equatiοn οf a circle?

A circle is a clοsed curve that extends οutward frοm a set pοint knοwn as the center, with each pοint οn the curve being equally spaced frοm the center. The fοrmula fοr a circle with a center at (h, k) and a radius οf r is (x-a)² + (y-b)² = r²

Here, we have

Given:  radius 10 and center (7, -9).

We have tο find the equatiοn οf a circle.

The standard fοrm οf the equatiοn οf a circle is:

(x-a)² + (y-b)² = r²

where (a,b) are the cοοrdinates οf the center and r is the radius.

We put the value οf (a,b) in the given equatiοn and we get

(x-7)² + (y+9)² = 10²

(x-7)² + (y+9)² = 100

Hence, the equatiοn οf a circle is (x-7)² + (y+9)² = 100.

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Find the absolute maximum value and the absolute minimum value, if any, of the function. (If an answer does not exist, enter DNE.) g(t) = t/t - 10 on [12, 14] maximum minimum Find the absolute maximum value and the absolute minimum value, if any, of the function. (If an answer does not exist, enter DNE.) g(x) = x^2 + 8x^2/3 on [-7, 8] maximum minimum

Answers

The absolute minimum value of g(x) on [-7, 8] is g(-8/27) ≈ 1.54, and the absolute maximum value is g(8) ≈ 588.68.

For g(t) = t/(t - 10) on [12, 14]:

The function is not defined at t = 10. However, since 10 is not in the domain of the given interval [12, 14], we do not need to consider it.

To find the critical points of g(t) on [12, 14], we look for values of t where g'(t) is undefined or zero:

g'(t) = (10-t) / (t-10)^2

g'(t) is undefined at t = 10 and zero at t = 5.

Next, we evaluate g(t) at the endpoints of the interval and at the critical point:

g(12) = -6

g(14) = 7

g(5) is undefined

Since the denominator of g(t) is negative on (10,12) and (14,∞) and positive on (12,14), g(t) is negative on (12,10) and positive on (10,14). Therefore, the absolute minimum value of g(t) on [12, 14] is g(12) = -6, and the absolute maximum value is g(14) = 7.

For g(x) = x^2 + 8x^(2/3) on [-7, 8]:

To find the critical points of g(x) on [-7, 8], we look for values of x where g'(x) is undefined or zero:

g'(x) = 2x + 16/3 x^(-1/3)

g'(x) is undefined at x = 0 and zero at x = -8/27.

Next, we evaluate g(x) at the endpoints of the interval and at the critical point:

g(-7) = 49 + 8(7^2/3) ≈ 49.58

g(8) = 512 + 8(8^2/3) ≈ 588.68

g(-8/27) ≈ 1.54

Therefore, the absolute minimum value is ≈ 1.54, and the absolute maximum value is ≈ 588.68.

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A number cube is tossed 60 times.


Outcome Frequency
1 12
2 13
3 11
4 6
5 10
6 8

Determine the experimental probability of landing on a number greater than 5.
8 over 60
16 over 60
18 over 60
52 over 60

Answers

Fοr the stated number cube tοss and its frequency result, there is an 18/60 chance that a number greater than 4 wοuld land οn the prοbability.

What is prοbability?

The likelihοοd οf an event is quantified by its prοbability, which is a number. It is represented as a number between 0 and 1, οr, when using percentage nοtatiοn, in the range between 0 and 100%. The likelihοοd οf an event increasing with prοbability οf οccurrence. An event's prοbability is 0 fοr an impοssible οccurrence and 1 fοr a certain οccurrence. The likelihοοd οf twο cοmplimentary events A and B, where A must οccur οr B must οccur, is equal tο 1. Tοssing a fair cοin is a straightfοrward illustratiοn.

Accοrding tο the questiοn Thrοws οf the number cube tοtalled 60.

The sοlutiοn is 10 + 8 when mοre than 4 times. The frequency οf is 10 and that οf 6 is 8. Mοre than fοur cοnsecutive times equals 18 .Prοbability οf getting a greater number than fοur= (chance οf getting 5 and 6) /(tοtal number οf trials). The οdds οf getting a number bigger than fοur are 18/60.

Hence, with the mentiοned tοssing οf the number cube and its frequency result, the likelihοοd οf landing a number bigger than 4 is 18/60.

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The diameter of a circle is 36 miles. What is the circle's area?

Answers

Area = πr^2

r = diameter/2

r = 36/2

r = 18


Area = π18^2

= 1017.87601976


The area of the circle is 1017.88miles^2.

anyone know how to solve this im stuck.

Answers

Answer:

it is not a good trend line for this data because the line always has to start on zero it can never start on anything else but zero

Step-by-step explanation:

(a) for what values of h is v3 in
Span {v1, v2} and (b) for what values of h is {v1, v2, v3} linearly
dependent? Justify each answer.
9. v1 3 ,V2 9 | , v's -6 57h 39 132

Answers

(a) v3 is in the Span {v1, v2} for all values of h. (b) The set {v1, v2, v3} is linearly dependent for all values of h. For the value of h to be in the Span {v1, v2}, it must be a linear combination of v1 and v2. This means that there must be scalars a and b such that:


[tex]v3 = av1 + bv2[/tex] Substituting the given vectors, we get: [tex]-6 57h 39 = a 3 + b 9[/tex] Solving for h, we get: [tex]h = (39 - 3a - 9b)/57.[/tex] Since h is a scalar, it can take on any value. Therefore, v3 is in the Span {v1, v2} for all values of h.


For the set {v1, v2, v3} to be linearly dependent, there must be scalars a, b, and c, not all zero, such that: [tex]av1 + bv2 + cv3 = 0[/tex]
Substituting the given vectors, we get: [tex]a 3 + b 9 + c -6 57h 39 = 0[/tex]

Solving for h, we get: h = [tex](3a + 9b + 6c - 39)/57[/tex]
Since h is a scalar, it can take on any value. Therefore, the set {v1, v2, v3} is linearly dependent for all values of h.

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evaluate the integral. 4 (14 − t) t dt 0

Answers

The integral 4(14-t)t dt from 0 to 14 is 1646.667.

To evaluate the integral 4(14-t)t dt, we need to first use the distributive property to expand the integrand:

4(14-t)t dt = 56t - 4t^2 dt

Next, we can use the power rule for integration to evaluate the integral:

∫56t dt = 56∫t dt = 56(t^2/2) + C = 28t^2 + C

∫-4t^2 dt = -4∫t^2 dt = -4(t^3/3) + C = -(4/3)t^3 + C

Now we can combine the two integrals:

∫56t - 4t^2 dt = 28t^2 - (4/3)t^3 + C

Finally, we can use the Fundamental Theorem of Calculus to evaluate the integral from 0 to 14:

∫_0^14 28t^2 - (4/3)t^3 dt = [28(14)^2 - (4/3)(14)^3] - [28(0)^2 - (4/3)(0)^3] = 2744 - 1097.333 = 1646.667

So the integral 4(14-t)t dt from 0 to 14 is 1646.667.

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Given the position of the function, s(t) = t^3/3 - 15t^2/2 +50t, between t=0 and t=12, where s is given in feet and t is measured in seconds find the interval in seconds where the particle is moving to the left

Answers

The particle is moving to the left on the intervals (0, 5) and (10, 12).

How do calculate?

We  need to find when its velocity is negative, in order to determine when the particle is moving to the left.

Where the  velocity function, v(t), is described as the derivative of the position function, s(t), and is given by:

v(t) = s'(t) = t^2 - 15t + 50

We find  the roots of the quadratic equation v(t) = 0, in order to  find the intervals where the particle is moving to the left.

t^2 - 15t + 50 = 0

Applying the quadratic formula, we can determine the roots:

t = (15 ± sqrt(15^2 - 4150)) / (2*1) = (15 ± 5) / 2

The  roots are t = 5 and t = 10.

We then can conclude that the particle is moving to the left on the intervals (0, 5) and (10, 12).

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7.14 + 33/100 = Box 100 + 33 100

Answers

1400 is the value of blank in  linear equation.

What in mathematics is a linear equation?

An algebraic equation with simply a constant and a first-order (linear) term, such as y=mx+b, where m is the slope and b is the y-intercept, is known as a linear equation.

                               The above is occasionally referred to as a "linear equation with two variables," where y and x are the variables. Equations with variables of power 1 are referred to as linear equations. One example with only one variable is where ax+b = 0, where a and b are real values and x is the variable.

the blank in equation -

14 + 35/100 = 1400/100 + 35/100

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The complete question is -

4 + 33/100 = Box 100 + 33 100 . write is the value of blank box .

Which is greater 18 mg or 8 g?

Answers

The greatest is 18 mg because

1 milligram is equal to 0.001 gram. 1 gram is equal to 1000 milligrams.
18mg because yes it js makes sense fr

what is the priemter of 9s-1,9s-1,9s+7

Answers

Answer:

Perimeter = 6.2s + 7

Step-by-step explanation:

Perimeter = sum of the sides of a geometric figure.

In this case:

Perimeter = 9s - 1.9s - 1.9s + 7 = 6.2s + 7

Part B: During what interval(s) of the domain is the baseball's height staying the same? (2 points)

Your answer



Part C: During what interval(s) of the domain is the baseball's height decreasing the fastest? Use complete sentences to support your answer.


6 < x < 8; the slope is the steepest for this interval

8 < x < 10; the slope is the steepest for this interval

6 < x < 10; the slope is decreasing for this interval

6 < x < 12; is where the slope is decreasing


Part A: During what interval(s) of the domain is the baseball's height increasing?

Answers

Therefore, the baseball is decreasing in height at the fastest rate during this interval.

What is length?

Length is a measurement of how long an object is, typically referring to the distance from one end of the object to the other end. It is a fundamental physical quantity that is used in various fields, including mathematics, physics, engineering, and everyday life. Length is usually measured in units such as meters, centimeters, feet, or inches, depending on the context and the system of measurement being used. In mathematics, length can refer to the perimeter of a two-dimensional shape or the arc length of a curve in three dimensions.

The baseball's height is increasing during the interval 0 < x < 6, as the graph has a positive slope in this interval.

Part B: During what interval(s) of the domain is the baseball's height staying the same?

The baseball's height is staying the same during the interval 10 < x < 12, as the graph is flat and has zero slope in this interval.

Part C: During what interval(s) of the domain is the baseball's height decreasing the fastest? Use complete sentences to support your answer.

The baseball's height is decreasing the fastest during the interval 6 < x < 8. This can be seen from the graph, which has a steep negative slope in this interval. The slope represents the rate of change of the height with respect to time, so a steeper slope means a faster rate of change. Therefore, the baseball is decreasing in height at the fastest rate during this interval.

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what is the value of x?​

Answers

Answer:

The value x is an unknown number.

It is a variable used to identify an unknown number.

Step-by-step explanation:

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the reliability of a study using multiple regression analysis depends on all of the following with the exception of a. omitted variable bias. b. errors-in-variables. c. presence of homoskedasticity in the error term. d. external validity.

Answers

The reliability of a study using multiple regression analysis depends on a, b, and c, but not d.

Regression analysis depends on Omitted variable bias refers to the problem of leaving out important variables from the regression model that could affect the dependent variable. This can lead to biased and inconsistent estimates of the regression coefficients.

Errors-in-variables refer to measurement errors in the independent or dependent variables. These errors can result in biased and inconsistent estimates of the regression coefficients.

Homoskedasticity in the error term refers to the condition where the variance of the error term is constant across all values of the independent variables. This is important because it ensures that the regression coefficients are unbiased and efficient.

External validity refers to the ability to generalize the findings of a study to other populations or settings. While important for the overall usefulness of the study, it does not affect the reliability of the multiple regression analysis itself. So, regression analysis depends on a,b,c but not on d.

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A college is interested in improving its food offerings on campus. It employs a research firm which selects a representative sample of students who say they currently eat six or more meals on campus weekly. After interviewing these students, the firm then makes generalizations about what all students at the college want in their food choices. The method used is Multiple Choice
a. sensitivity analysis.
b. new product concept assessment. c. statistical inference. d. extrapolation. e. secondary data collection.

Answers

A college is interested in improving its food offerings on campus. It employs a research firm that selects a representative sample of students who say they currently eat six or more meals on campus weekly. After interviewing these students, the firm then makes generalizations about what all students at the college want in their food choices The method used in this scenario is Statistical Inference.

Statistical inference is the process of using sample data to make generalizations about a population. In this case, the research firm is using sample data from a representative group of students who eat six or more meals on campus weekly  and then making generalizations about what all students at the college want in their food choices.

Statistical inference involves four steps: (1) collecting data from the sample; (2) analyzing the data; (3) forming conclusions about the population; and (4) testing these conclusions. The analysis usually involves using descriptive and inferential statistics to draw meaningful conclusions about the population. For example, the research firm might use descriptive statistics to analyze the number and type of meals that the students prefer, and then use inferential statistics to make generalizations about the entire student population.

The research firm must also consider the limitations of their study, such as the sample size, sampling techniques, and data collection methods. Additionally, the research firm must take measures to ensure that its conclusions are valid and reliable. For example, they might use sensitivity analysis to test the stability of the results.

Overall, statistical inference is a powerful tool that can help the college gain valuable insights into their student population’s food preferences. It allows them to make informed decisions that are backed up by data.

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A circular cookie cake costs $15.70. If the diameter of the cookie cake is 10 inches, what is the approximate cost per square inch of the cookie cake? Use π = 3.14.

$0.05
$0.20
$0.50
$0.64

Answers

The cost per square inch of a circular cookie cake with a diameter of 10 inches and a cost of $15.70 is approximately $0.20, calculated by dividing the total cost by the area of the cake.

Area of Circle can be calculated using the following formula:

A = [tex]\pi r^2[/tex]

where radius of the circle is r.

In this case, the diameter of the cookie cake is 10 inches, so the radius is 5 inches.

A = [tex]\pi r^2 = 3.14 \cdot 5^2[/tex] = 78.5 square inches

To find the cost per square inch, we divide the total cost of the cookie cake by its area:

Per square inch cost is Total cost / Area

Per square inch cost = $15.70 / 78.5 square inches

Per square inch cost ≈ $0.20

Hence, the cookie cake will roughly cost $0.20 per square inch.

The formula for the area of a circle, A = [tex]\pi r^2[/tex], is used to calculate the area of the cookie cake in square inches, where r is the radius of the circle. In this case, since the diameter of the cookie cake is given as 10 inches, we know that the radius is 5 inches.

Once we know the area of the cookie cake, we can calculate the cost per square inch by dividing the total cost by the area. This gives us an idea of how much we are paying for each unit of area, or each bite of the cookie cake.

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Answer:

The cost per square inch of a circular cookie cake with a diameter of 10 inches and a cost of $15.70 is approximately $0.20, calculated by dividing the total cost by the area of the cake.

Step-by-step explanation:

A 52.0 g ball of copper has a net charge of 2.5 µC. What fraction of the copper's electrons have been removed? (Each copper atom has 29 protons, and copper has an atomic mass of 63.5.)

Answers

The fraction of electrons that have been removed is 15625/1.34x10^24.

A 52.0 g ball of copper has a net charge of 2.5 µC. What fraction of the copper's electrons have been removed? (Each copper atom has 29 protons, and copper has an atomic mass of 63.5.)When an atom has more electrons than protons, it has a net negative charge and is called a negative ion. When it has fewer electrons than protons, it has a net positive charge and is known as a positive ion.The number of electrons in the copper ball can be determined using the amount of charge and the charge of an electron. Since each copper atom has 29 protons and the net charge is positive, the number of electrons lost from the copper ball may be calculated by finding the difference between the total number of protons and the number of electrons needed to generate the charge.The charge of one electron is -1.6 × 10-19 C.2.5 µC = (2.5 × 10-6 C)/(-1.6 × 10-19 C/electron)= -15625 electronsSince the copper ball has a mass of 52.0 g, the number of copper atoms in the copper ball can be calculated by dividing the mass by the atomic mass. (52.0 g)/(63.5 g/mol) = 0.820 molsThe number of electrons in the copper ball, which was calculated in the previous step, must be divided by the total number of electrons present in the copper ball to determine the fraction of electrons that have been lost. Since each copper atom has 29 protons and the copper ball contains 0.820 mols of copper atoms, the total number of electrons in the copper ball can be calculated as follows.(0.820 mol) x (6.02 × 1023 electrons/mol) x (29 electrons/atom) = 1.34 × 1024 electronsTherefore, the fraction of electrons that have been removed is 15625/1.34x10^24.

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a water treatment plant needs to maintain the ph of the water in the reservoir at a certain level. to monitor this, they take 2 oz. of water at 37 locations every hour, measure the ph at each of those locations, and find their average. if the ph level of the reservoir is ok, the results at each location will have varying results, with an average ph of 8.5 and a standard deviation of 0.22. if the ph level of the reservoir is ok, what is the probability that the sample average is more than 8.40?

Answers

The probability that the sample average is more than 8.40 is 1.02% as per the given pH of the water in the reservoir at a certain level.

The Given data is as follows:

The mean (μ)  = 8.5

The standard deviation (σ)  = 0.22

Sample size (n) = 37

The level of significance (α) = 0.05

We need to calculate  the probability of the sample average that should be more than 8.40.

sample distribution (z) = (x - μ) / (σ/√n)

z = (8.40 - 8.5) / (0.22/√37)

z = -2.57

By using the standard normal table, we can able to find that the probability of  z-score of -2.57. Assuming that this is a two-tailed test, the probability of getting a z-score of 2.57.

The probability of the sample average = 0.0051 + 0.0051 = 0.0102.

Therefore we can conclude that  the probability that the sample average is more than 8.40 is 1.02%.

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gravel is being dumped from a conveyor belt at a rate of 20 cubic feet per minute. it forms a pile in the shape of a right circular cone whose base diameter and height are always the same. how fast is the height of the pile increasing when the pile is 25 feet high? recall that the volume of a right circular cone with height h and radius of the base r is given by .

Answers

By using volume of right circular cone, we find that the height of the pile is increasing at a rate of approximately 0.128 feet per minute when the pile is 25 feet high.

Let's begin by recalling the formula for the volume of right circular cone:

V = (1/3)πr^2h

where r is the radius of the base and h is the height of the cone.

Since the pile is being formed at a rate of 20 cubic feet per minute, we can say that:

dV/dt = 20

We want to find dh/dt, the rate at which the height of the pile is increasing when the pile is 25 feet high.

To relate dh/dt to dV/dt, we need to find a relationship between h, r, and V. Since we know that the base diameter and height are always the same, we can say that the radius of the base is equal to half the height, or r = h/2.

Substituting this expression for r into the formula for V, we get:

V = (1/3)π(h/2)^2h = (1/12)πh^3

Taking the derivative of both sides with respect to time, we get:

dV/dt = (1/4)πh^2dh/dt

Substituting dV/dt = 20 and h = 25, we can solve for dh/dt:

20 = (1/4)π(25)^2dh/dt

dh/dt = 20 / [(1/4)π(25)^2]

dh/dt ≈ 0.128 feet per minute

Therefore, the height of the pile is approximately 0.128 feet per minute.

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Here's a challenging math problem: What is the smallest positive integer that can be expressed as the sum of two cubes in two different ways? In other words, what is the smallest positive integer that can be written as a^3 + b^3 = c^3 + d^3, where a, b, c, and d are positive integers and (a,b) is not equal to (c,d) and (a,b) is not equal to (d,c)? This problem is known as the "sum of two cubes problem" and was famously solved by mathematician L. J. Lander and T. R. Parkin in 1966 using a computer search. The smallest positive integer that can be expressed as the sum of two cubes in two different ways is: 1729 = 1^3 + 12^3 = 9^3 + 10^3​

Answers

We can see here that the smallest positive integer that can be expressed as the sum of two cubes in two different ways is 1729.

What is an integer?

The collection of whole numbers and negative numbers is known as an integer in mathematics. Integers, like whole numbers, do not include the fractional portion.

Integers can therefore be defined as numbers that can be positive, negative, or zero but not as fractions. With integers, we can carry out all arithmetic operations, including addition, subtraction, multiplication, and division.

We see that the above answer is true because:

1^3 + 12^3 = 1729

9^3 + 10^3 = 1729

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(Check image) The loudness of sound, measured in decibels (dB), is calculated using the formula
L = 10 log
(10'1)
where L is the loudness, and I is the intensity of the sound.
What is the intensity of a fire alarm that measures 115dB loud? Round your answer to the nearest hundredth
Intensity = ____

Answers

After answering the presented question, we can conclude that interest Therefore, the intensity of the fire alarm is approximately [tex]0.32 W/m^2.[/tex]

what is interest ?

Divide the principal by the interest rate, period, and other factors to get simple interest. Marketing uses the formula return = principal + interest + hours. Interest may be calculated most readily with this method. Interest is most commonly calculated as a percentage of the principal balance. If he borrows $100 from a buddy and promises to repay it with 5% interest, he will only pay his share of the total interest. $100 (0.05) = $5. When you borrow money, you must pay interest and when you lend it, you must charge interest. Interest is usually computed as an annual percentage of the loan balance. This percentage is known as the loan's interest. .

The formula given is L = 10 log( I / I0), where L is the loudness in decibels, I is the intensity of the sound, and I0 is the reference intensity, which is

[tex]1x10^-12 W/m^2.\\L = 10 log(I / I0)\\115 = 10 log(I / 1x10^-12)\\11.5 = log(I / 1x10^-12)\\I / 1x10^-12 = 10^11.5\\I = (10^11.5) x 1x10^-12\\I = 3.16 x 10^-1 W/m^2 \\[/tex]

Therefore, the intensity of the fire alarm is approximately [tex]0.32 W/m^2.[/tex]

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Fuel efficiency, measured in miles per gallon, is a feature
often considered by shoppers looking for a new car. The
scatterplot shows the vehicle weight of 15 car models in
pounds, plotted against their highway fuel efficiency.
Fuel Efficiency
(Miles per Gallon)
45
40
35
30
25
20
0
Fuel Efficiency
2 2.5 3 3.5 4 4.5 5 5.5 6
Car Weight (Thousands of Pounds)
Which of the following is a reasonable value for r, given
the relationship shown in the scatterplot?
O-0.197
O-0.898
O 0.528
O 0.902

Answers

Answer:

45.67r evalutae

Step-by-step explanation:

45

40

35

30

25

20

0

Fuel Efficiency

2 2.5 3 3.5 4 4.5 5 5.5 6

Car Weight (Thousands of Pounds)

Which of the following is a reasonable value for r, given

the relationship shown in the scatterplot?

O-0.197

O-0.898

O 0.528

O 0.902

Identify the greatest common factor of 8t^5, 12t^3 and 16t

Answers

The expression of the GCF of 8t^5, 12t^3 and 16t is 4t

How to deterimine the expression of the GCF

From the question, we have the following parameters that can be used in our computation:

8t^5, 12t^3 and 16t

Factorize each expression

So, we have the following representation

8t^5 = 2 * 2 * 2 * t^5

12t^3 = 2 * 2 * 3 * t^3

16t = 2 * 2 * 2 * 2 * t

Multiply the common factors

So, we have the following representation

GCF = 2 * 2 * t

Evaluate the products

GCF = 4t

Hence, the greatest common factor (GCF) is 4t

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find the sum of the whole numbers from 1 to 890 . 3

Answers

396,667.5 is the total of all whole numbers between 1 and 890.

To find the sum of the whole numbers from 1 to 890, we can use the formula for the sum of an arithmetic series:

S = n(a1 + an) / 2

Where S is the sum, n is the number of terms, a1 is the first term, and an is the last term. In this case, n = 890, a1 = 1, and an = 890. Plugging these values into the formula, we get:

S = 890(1 + 890) / 2

S = 890(891) / 2

S = 793335 / 2

S = 396667.5

Therefore, the sum of the whole numbers from 1 to 890 is 396,667.5.

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What minimum coefficient of static friction must exist between your feet and the floor if you are not to slide?

Answers

Answer:

Step-by-step explanation:

Acceleration = (0.2 x g) = 1.96m/sec^2.

Accelerating force on 1kg. = (ma) = 1.96N.

1kg. has a weight (normal force) of 9.8N.

Coefficient µ = 1.96/9.8 = 0.2 minimum.

example, 75kg = (75 x g) = 735N.

Accelerating force = (735 x 0.2) = 147N

What is the angle in degrees between two vectors U and V?

Answers

The angle between the two given vector U and V is equal  to  90 degrees.

Angle between two vectors,

Use the dot product formula we have,

U · V = |U| |V| cos(θ)

where U · V is the dot product of vectors U and V,

|U| and |V| are the magnitudes of vectors U and V,

And θ is the angle between the two vectors.

First, calculate  the dot product of U and V,

U · V

= (1)(0) + (0)(-2)

= 0

Now, Magnitudes of U and V,

|U|

=√(1² + 0²)

= 1

|V|

=√(0² + (-2)²)

= 2

Angle θ is equal to,

0 = (1)(2)cos(θ)

⇒ cos(θ) = 0

cosine function is equal to 0

⇒Angle θ is a 90 degrees or a 180 degrees.

Angle by looking at the position of the vectors.

Here,

U is pointing to the right and V is pointing downwards, which means they form a right angle.

Therefore, the angle between U and V is 90 degrees.

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The above question is incomplete, the complete question is :

What is the angle in degrees between two vectors U and V?

U =< 1, 0 >  and V = < 0 ,−2 > ?

Convert A4 hex to TINFO 320 floating point format. What is this value

Answers

The value of A4 hex in TINFO 320 floating point format is C3800000 hex.

To convert A4 hex to TINFO 320 floating point format, we need to first convert the hex value to binary, then separate the binary value into the sign, exponent, and mantissa parts, and finally convert those parts into their respective TINFO 320 floating point format values.

Convert A4 hex to binary:
A4 hex = 1010 0100 binary

Separate the binary value into the sign, exponent, and mantissa parts:
Sign: 1
Exponent: 0100 1
Mantissa: 000 0000 0000 0000 0000 0000

Convert the sign, exponent, and mantissa parts into their respective TINFO 320 floating point format values:
Sign: 1 (negative)
Exponent: 4 + 127 = 131 (biased exponent)
Mantissa: 0 (normalized mantissa)

Combine the TINFO 320 floating point format values to get the final value:
TINFO 320 floating point format value = 1 1000 0011 0000 0000 0000 0000 0000 0000
= C3800000 hex

Therefore, the value of A4 hex in TINFO 320 floating point format is C3800000 hex.

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2. Bucky walked 85 feet. His friend in Canada wanted to
know how many meters he walked.
Given that 1 foot = .3048 meter, how many meters
did Bucky walk?

Answers

Using metric system , we have cοme tο find that Bucky walked 25.908 meter.

What is metric system?

Metric system is a prοcess οf measuring things. It is used tο measure length, vοlume , weight , capacity etc. In metric system οne unit can be cοnverted intο anοther unit.

Given that Bucky walked 85 feet. His friend in Canada wanted tο

knοw hοw many meters he walked.

Given that 1 fοοt = .3048 meter

Tο cοnvert 85 feet tο meter we are gοing tο use the metric system.

1 fοοt = 0.3048 meter

85 fοοt = 85 × 0.3048 meter [ Since in metric system , tο cοvert a unit frοm anοther unit either have tο multiply οr have tο divide the unit]

By multiplying we get 25.908 meter.

Hence, Bucky walked 25.908 meter.

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Which of the following sources of error are taken into account by the sampling distributions of means?I.Error associated with voluntary response.
II.Error associated with under coverage.
III.Sampling variability
(a)I only
(b)II only
(c)III only
(d)II and III
(e)I, II, and III

Answers

Answer:

The correct answer is (d) II and III.

The correct answer is (c) III only. The sampling distribution of means takes into account the sampling variability, but not the error associated with voluntary response or under coverage.

Sampling variability is the variation that occurs between different samples taken from the same population. It is an inherent part of the sampling process and is taken into account by the sampling distribution of means.

However, the sampling distribution of means does not take into account errors associated with voluntary response or under coverage.

Voluntary response error occurs when individuals choose whether or not to participate in a survey, leading to a biased sample. Under coverage error occurs when a sample does not accurately represent the entire population, due to certain groups being excluded or underrepresented.

Therefore, The correct answer is (c) III only i.e., the sampling distribution of means only takes into account the sampling variability, and not the other two sources of error.

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Given negative 5.7 divided by o(Likelihood MC)

A spinner with repeated colors numbered from 1 to 8 is shown. Sections 1 and 8 are purple. Sections 2 and 3 are yellow. Sections 4, 5, and 6 are blue. Section 7 is orange.

A spinner divided into eight equal colored sections, with one orange, two purple, two yellow, and three blue.

Which statement about probability is true?

The probability of landing on blue is greater than the probability of landing on purple.
The probability of landing on yellow is less than the probability of landing on orange.
The probability of landing on orange is equal to the probability of landing on yellow.
The probability of landing on purple is equal to the probability of landing on blue.ne half, find the quotient.

Answers

The statement about probability that is true is: The probability of landing on purple is equal to the probability of landing on blue.

What is probability?

Probability is a measure of the likelihood or chance that an event will occur. It is expressed as a number between 0 and 1, where 0 means the event will not occur and 1 means the event will definitely occur. The probability of an event is calculated by dividing the number of favorable outcomes by the total number of possible outcomes. Probability is used in many fields, including mathematics, statistics, science, finance, and engineering.

Here,

This is because there are two purple sections and three blue sections, and all sections are equally likely to be landed on. Therefore, the probability of landing on purple is 2/8 or 1/4, which is the same as the probability of landing on blue, which is 3/8. The other statements are false. The probability of landing on blue is greater than the probability of landing on purple. The probability of landing on yellow is less than the probability of landing on orange. The probability of landing on orange is not equal to the probability of landing on yellow, as there is only one orange section and two yellow sections.

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