Three cards are drawn from a standard deck. Thus, the probability to get an ace, followed by a king, and then a queen, is 16/34,425
The formula for conditional probability is:
P(A∩B) = P(B|A) . P(A)
In the given problem:
P(ace) = 4 / 54
After an ace was drawn, the number of cards now is 51.
Hence,
P(king | ace) = 4/51
After the second drawn, the remaining cards is 50. Hence,
P(queen | (king | ace)) = 4/50
Therefore,
P(ace,king,queen) = 4/54 x 4/51 x 4/50 = 64 / 137,700 = 16/34,425
Thus, the probability to get an ace, followed by a king, and then a queen, is 16/34,425
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During 1 week, an overnight delivery company found that the weights of its parcels were normally distributed, with a mean of 24 oz and a standard deviation of 6 oz. What percent of the parcels weighed between 12 oz and 24 oz?.
The percent of the parcels weighed between 14 ounces and 35 ounces will be 0.818. (b) The percentage of the parcels weighing more than 49 ounces will be 0.14 %.
(a)The percent of the parcels weighed between 14 ounces and 35 ounces will be 0.818.
The given data in the problem is;
The probability of parcels weighng 35 ounces or less, P₁=0.841
The probability of parcels weighing 14 ounces or less, P₂=0.023
The probability of parcels weighing between 14 and 35 ounces is found as;
P=P₁-P₂
P=0.841-01.023
P=0.818
The probability in the percentage will be 0.818 x 100 = 81.8
(b) The percent of the parcels weighing more than 49 ounces will be 0.14 %.
The probability of parcels weighing more than 49 ounces will be;
P₃ = 1 - 0.99835
P₃ = 0.00135
The probability in the percentage will be 0.00135 x 100 = 0.135% = 0.14%
Hence the percentage of the parcels weighed between 14 ounces and 35 ounces will be 0.818.
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Disclaimer
The question given by you is incomplete, a similar question has been solved above
The question is
Use the Empirical Rule to answer each question.
During 1 week an overnight delivery company found that the weights of its parcels were normally distributed, with a mean of 28 ounces and a standard deviation of 7 ounces.
(a) What percent of the parcels weighed between 14 ounces and 35 ounces? (Round your answer to one decimal place.)
(b) What percent of the parcels weighed more than 49 ounces? (Round your answer to two decimal places.)
failing to reject a false null hypothesis is classified as a a) type i error b) type ii error c) power
The answer to the given question is Type II Error.
What is Type II Error?Type II Error is a statistical term which used in the context of hypothesis testing which defines the error that happens when one fails to reject a null hypothesis which is actually false. A Type II Error constructs a false negative, and also known as an error of omission.
Type II Error is mostly caused by the statistical power of a test being low. A Type II Error will happen if the statistical test is not powerful enough. The size of the sample may also lead to a Type I Error because the outcome of the test will be afflicted.
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What is HCF and LCM of 14 and 28?.
The HCF and LCM of 14 and 28 are 14 and 28 respectively.
Highest Common Factor:
The full form of HCF in maths is the Highest Common Factor. HCF of two or more numbers is the greatest factor that divides the numbers. For example, 2 is the HCF of 4 and 6.
Lowest common multiple:
LCM stands for least common multiple. The least common multiple of two numbers is the smallest number which is a multiple of both of them.
Here we have to find the HCF and LCM of 14 and 28.
The two numbers are 14 and 28.
We can write the number as:
14 = 2 × 7
28 = 2² × 7
The HCF is the common number in both the number, which is 2 and 7.
So HCF of two number = is 2 × 7
= 14
The LCM is the largest common multiple of the given numbers.
So LCM of two number = is 2² × 7
= 28
Therefore the HCF and LCM are 14 and 28 respectively.
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Find the minimum of x−y among all ordered pairs of real numbers (x,y), x and y between 0 and 1, where there exists a real number a≠1 such that logxa+logya=4logxya.
0 is the minimum (and maximum) of x−y for x, y ∈ (0, 1).
What is real numbers?
A real number in mathematics is a number that can be used to represent a continuous one-dimensional quantity, such as a length of time, temperature, or distance. In this context, continuous denotes that values may vary by arbitrary little amounts. An endless decimal expansion allows for a nearly universal representation of every real number.
The given equation is,
[tex]log_xa+log_ya=4log_x_ya[/tex]
Using the log rule: [tex]log_ab = \frac{ln b}{lna}[/tex]
⇒ [tex]\frac{lna}{lnx}+\frac{lna}{lny} = \frac{4lna}{lnxy}[/tex]
Multiply both sides by, [tex]\frac{lnxy}{lna}[/tex]
⇒ [tex]\frac{lnxy}{lnx}+\frac{lnxy}{lny} = 4[/tex], a ≠ e
Using log rule: [tex]ln(ab) = lna + lnb[/tex]
⇒
[tex]\frac{lnx+lny}{lnx} +\frac{lnx+lny}{lny} = 4\\ \frac{lnx}{lnx}+\frac{lny}{lnx}+ \frac{lnx}{lny}+\frac{lny}{lny} = 4\\1+\frac{lny}{lnx}+ \frac{lnx}{lny} +1=4\\\frac{lny}{lnx}+\frac{lnx}{lny}=2[/tex]
[tex]\frac{(lnx)^2+(lny)^2}{lnx(lny)} =2\\(lnx)^2+(lny)^2 = 2 lnx ln y\\(lnx)^2 - 2lnxlny+(lny)^2=0\\(lnx - lny)^2 = 0\\lnx - ln y = 0\\x = y[/tex]
Hence, 0 is the minimum (and maximum) of x−y for x, y ∈ (0, 1).
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Select all irrational numbers. responses 14√ square root of fraction 1 over 4 end fraction end root 24√ square root of fraction 2 over 4 end fraction end root 34√ square root of fraction 3 over 4 end fraction end root 44√ square root of fraction 4 over 4 end fraction end root 54√
√(3/4) and √(5/4) are the irrational numbers
How to identify a rational answer?Irrational numbers are numbers that cannot be expressed in the form a/b. They are mostly in the form of square roots when evaluated e.g √7, 2/√5, 3√11, etc.
The opposite of irrational numbers is rational numbers. Rational numbers are numbers that can be written in the form of a/b, where a and b are integers, and b is not equal to 0. e.g 1/3, 2/3, √4 = 4/1, √(1/9) = 1/3, etc.
Given: √(1/4), √(2/4), √(3/4), √(4/4), and √(5/4)
For √(1/4):
√(1/4) = 1/2
This is a rational number
For √(2/4):
√(2/4) = (√2) / 2
This is an irrational number
For √(3/4):
√(3/4) = (√3) / 2
This is an irrational number
For √(4/4):
√(4/4) = 2/2 = 1
This is a rational number
For √(5/4):
√(5/4) = (√5) / 2
This is an irrational number
Therefore, the irrational numbers are √(3/4) and √(5/4). So select them
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Medical School Applications A medical college dean read that the average number of applications a potential medical school student sends is 7.8. She thinks that the mean is higher. So she selects a random sample of 35 applicants and asks each how many medical schools they applied to. The mean of the sample is 8.7. The population standard deviation is 2.6. Test her claim at α 0.01
A Sample of medical students Applications in a medical College .
To check the claim of college Dean is correct or not we will use hypothesis testing with Z-test.
H₀ : μ = 7.8
= 7.8 Hₐ : μ > 7.8
There we see fail to reject the null hypothesis.
So, her claim that mean in higher is right.
We have given that,
Medical school applications of students in a medical College is a sample .
Sample size, n = 35
Mean of sample , X-bar = 8.7
population standard deviations, σ = 2.6
significance level, α = 0.01
Consider null and alternative hypothesis to test:
H₀ : μ = 7.8
Hₐ : μ > 7.8
Test Statistic (Z-score) :
Z = ( X-bar - μ ) / σ / √n
Z = ( 8.7 - 7.8 ) / ( 2.6 /sqrt(35 ))
Z = 2.0479 ~ 2.05
Test Criteria :-
We can reject null hypothesis if Z > Zₐ
Zₐ = Z₀.₀₁ = 2.33
that is 2.33 > 2.05 or Zₐ> Z
Thus, fail to reject null hypothesis .
There is insufficient evidence to support the claim that mean is higher.
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HELP QUICKLYYYYY PLEASEEEEEE
Answer:
slope =- [tex]\frac{1}{3}[/tex]
Step-by-step explanation:
calculate the slope m using the slope formula
m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]
with (x₁, y₁ ) = (2, - 3 ) and (x₂, y₂ ) = (5, - 4 )
m = [tex]\frac{-4-(-3)}{5-2}[/tex] = [tex]\frac{-4+3}{3}[/tex] = [tex]\frac{-1}{3}[/tex] = - [tex]\frac{1}{3}[/tex]
Answer:
points are ;
(2,-3).......X1,Y(5,-4).......X2, Y2
now
slope(m)=y2 -Y1 / X2-X1
= -4+3 / 5-2
-1 / 3
Is every linear equation a quadratic equation?.
No, every linear equation is not a quadratic equation.
What is a linear equation?It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.
If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.
Any equation of the form ax²+bx+c=0 where x is variable and a, b, and c are any real numbers where a ≠ 0 is called a quadratic equation.
Every linear equation is also a quadratic equation. A polynomial equation is a linear equation or a quadratic equation.
Thus, not every linear equation is not a quadratic equation.
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the actual voltages of power packs labeled as 12 volts for a sample are as follows: 11.17, 11.32, 11.97, 11.54, 11.77, 11.29, 11.45, 11.64. determine a point estimate of the population mean. (round your answer to 2 decimal places.)
The point estimate of the population mean is 11.51.
Explain the term population mean?A population is the entire set of people in a group, whether that group is a country or a collection of people who share a certain trait.
A population is the group of people of whom a statistical sample is taken in statistics.The average calculated from the entire community, range, or population is known as the population mean. It is calculated by dividing the sum of all population variables by both the total population of variables. The population mean is shown here as. The population's observations are summed together to form ∑X.For the data given ;
11.17, 11.32, 11.97, 11.54, 11.77, 11.29, 11.45, 11.64
Let X0 be the population mean.
Then,
X0 = ∑X / n
∑X = summation of all data
n = total number of observations.
X0 = 11.17 + 11.32 + 11.97 + 11.54 + 11.77 + 11.29 + 11.45 + 11.64 / 8
X0 = 92.15/8
X0 = 11.51
Thus, a point estimate of the population mean is 11.51.
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When a pre-image is dilated is the resulting image congruent to the original?.
The statement of pre-image is dilated is the resulting image congruent to the origina is false.
Explain dilation.A dilation is a change that creates a picture that is a similar shape as the first, however is an alternate size. • An expansion that makes a bigger picture is called a development. • An expansion that makes a more modest picture is known as a decrease.
According to question:As we all know that dilation is used to resize the object. It make the objects larger or smaller.
It produces an image that is the same shape as the original, but is a different size.
This means, the original figure and the transformed figure would not be congruent.
Therefore, the statement 'When an object is dilated, the resulting image is congruent to the pre-image.' is False
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Directed line egment ¯¯¯¯¯¯ A B ha endpoint A ( − 8 , 7 ) and B ( 7 , − 3 ) What are the coordinate of P uch that P i the point partitioning ¯¯¯¯¯¯ A B in the ratio 1 : 4 ? Write each coordinate a a implified fraction if neceary
The coordinate of point P is (-5,5).
It is given that AB has endpoint A(-8,7) and B(7,-3) also P is the point partitioning AB in the ratio 1:4.
We have to find the coordinates of P.
So distance in x-coordinate between A and B is,
ABx = 7 - (-8) = 15 units
distance in y-coordinates between A and B is,
ABy = -3 - 7 = -10 units
Now the point P partitioning AB in the ratio 1:4
i.e [tex]\frac{AP}{AB}[/tex] = [tex]\frac{1}{1+4}[/tex]
[tex]\frac{AP}{AB}[/tex] = [tex]\frac{1}{5}[/tex]
we will find x-coordinate of point P
⇒ [tex]\frac{APx}{ABx}[/tex] = [tex]\frac{1}{5}[/tex]
⇒ [tex]\frac{APx}{15}[/tex] = [tex]\frac{1}{5}[/tex]
⇒ APx = 3
Therefore the x-coordinates of P is
Px = Ax + APx
⇒ Px = -8 + 3 = - 5
And y-coordinate of pint P is,
[tex]\frac{APy}{ABy}[/tex] = [tex]\frac{1}{5}[/tex]
[tex]\frac{APy}{-10}[/tex] = [tex]\frac{1}{5}[/tex]
APy = -2
i.e Py = APy + Ay
= -2 + 7
Py = 5
Therefore the coordinate of point y is (-5,5).
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How do you find the equation of a line that is perpendicular and passing through a point?.
The equation of a line that is perpendicular and passing through a point is y = -1/m + (y1 + x1/m).
Let y = mx + b be the perpendicular line and (x1,y1) be the point.
slope of y = mx + b is:
= m
we know that,
perpendicular slope = -1/m
substitute m and (x1,y1)
y1 = -1/m(x1) + b
y1 + x1/m = b
substitute b value in y = -1/m + b.
y = -1/m + (y1+x1/m)
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g how many times would you expect a person selected at random to have to take the test until (s)he passes it? (if necessary, round your answer to 2 decimal places.)
The probability that a person selected at random to have the test until (s)he passes the test is, 0.03125
Given, a test occurred 5 times in a class.
we have to find that how many times a person selected at random to have the test until (s)he passes it.
the probability of getting pass in the exam be, 1/2
and similarly the probability of getting fail in the exam also be, 1/2
so, the probability that a person selected at random to have the test until (s)he passes the test is,
(1/2)^5
= 1/32
= 0.03125
Hence, the probability that a person selected at random to have the test until (s)he passes the test is, 0.03125
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Lucky's Market wanted to see if they could increase the number of sales per day before they close their locations nation wide. To test this, they randomly chose half of their 80 locations and send 50% off coupons to their customers only at those locations, while the other half of locations did not receive the 50% off coupons. They also collected information the amount of money spend on these extra customers. Which of these answers would be the best way to randomization in this study? allow location managers to volunteer O have an unbiased person just pick half of the locations for the coupons. use a computer program to select the locations who get coupons and those that don't
Correct option is:
Use a computer program to select the locations who get coupons and those who don't.
What is Volunteer role?
Volunteer work involves people giving freely of their time, labour, and skill; they frequently complete tasks that organizations would otherwise have to pay for. Governors are one example of a voluntary position in education, Trustees.
Given: Lucky's Market wanted to see if they could increase the number of sales per day before they close their locations nation wide.
To test this, they randomly chose half of their 80 locations and send 50% off coupons to their customers only at those locations, while the other half of locations did not receive the 50% off coupons.
They also collected information the amount of money spend on these extra customers.
So, the correct option is, use a computer program to select the locations who get coupons and those that don't.
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Is 30% of a number is 12. 6 find the number?.
which expression is equivalent to 5x-2
Answer:B
Step-by-step explanation: Reducing 2x-2+3x results in 5x-2 because 2x+3x is 5x
Answer:
B)
Step-by-step explanation:
The answer is option B)
2x - 2 + 3x = 5x - 2
in multiple regression, a large value of the test statistic f indicates that most of the variation in the response is unexplained by the regression equation. a small value of f indicates that most of the variation in the response is explained by the regression equation.
In multiple regression, a large value of the test statistic f indicates that most of the variation in the response is unexplained by the regression equation and a small value of f indicates that most of the variation in the response is explained by the regression equation. False.
Multiple regression refers to a statistical technique utilized to evaluate the relationship between a single dependent variable and several independent variables. The main goal of the analysis is to use the independent variables with known values to predict the value of the single dependent value. Test statistic f refers to a statistical measure used to test the significance of regression coefficients in linear regression models. In testing the validity of a multiple regression model, a large value of the F-test statistic indicates that most of the variation in y is explained by the regression equation, hence most of the variation in the response is explained by the regression equation.
Note: The question is incomplete as it is missing options which are a) True. b) False.
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how many ways are there to distribute eight different toys among four children if the first child gets at least two toys?
there are 41479 to distribute eight different toys among four children if the first child gets at least two toys.
It is given that,
Total number of toys: 8
Total number of children: 4
The total number of ways to distribute eight different toys among four children is 4⁸.
If the first child gets no toys then the total number of ways to distribute eight different toys among the four children is 3⁸, and if the first child gets one toy then the total number of ways to distribute eight different toys among the four children is,
⁸C1 * 3⁷
The number of ways there to distribute eight different toys among four children if the first child gets at least two toys is calculated as follows.
Number of ways
=4⁸−3⁸−(⁸C1 ∗ 3⁷)
=65536 − 6561 −17496
=41479
Therefore, the required number of ways is 41479
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The table shows some values of a function of the form y = ax2 + bx + c. The value of c, the constant of the function, is.
c is a constant of the function y = ax² + bx + c is -3
What is an equation?An equation is an expression that shows the relationship between two or more numbers and variables.
Given that:
y = ax² + bx + c
At point (5, 32)
32 = a(5²) + 5b + c (1)
At point (6,45)
45 = a(6²) + 6b + c (2)
At point (4, 21)
21 = a(4²) + 4b + c (3)
Hence:
a = 1, b = 2 and c = -3
The value of c which is a constant of the function y = ax² + bx + c, is -3.
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a recent harris poll survey of u.s. adults selected at random showed that consider the occupation of firefighter to have very great prestige. estimate the probability (to the nearest hundredth) that a u.s. adult selected at random thinks the occupation of firefighter has very great prestige.
The estimated probability of the occupation of firefighters is 0.62
A recent Harris Poll survey of 1010 U.S. adults selected at random showed that 627 consider the occupation of firefighter to have very great prestige. i.e. The sample size of U.S. adults : n= 1010
The number of U.S. adults consider the occupation of firefighter to have very great prestige: x= 627
Now we see, the probability that a U.S adult selected at random thinks the occupation of firefighters has very great prestige will be:
p = x/n
= 627/ 1010 = 0.62 [ To the nearest hundredth]
Therefore, the estimated probability that a U.S adult selected at random thinks the occupation of firefighters has very great prestige = 0.62
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What is the solution to this system of linear equations x − 3y − 2 x 3y 16?.
The solution for this system of linear equation is (-16, -5 1/3).
What is Linear equation?
A linear equation is an algebraic equation of the form y=mx+b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) term are included. The variables in the preceding equation are y and x, and it is occasionally referred to as a "linear equation of two variables."
It is preferable to employ substitution while trying to solve this system of linear equations.
The first equation yields x = 3y.
In the second equation, change the value of x to be represented by the expression on the right.
-2(3y) + 3y = 16
Calculating the value of y yields;
y = -5 1/3
Solving for x with this value of y results in;
x = -16
The solution for this system of linear equation is (-16, -5 1/3).
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The following cross-tabulation shows the number of people who rated a customer service representative as friendly and polite based on whether the representative greeted them first. a. Write the hypotheses for the chi-square test for independence. b. Find the expected frequencies. C. Compute the chi-square statisticising a level of significance of 0.01. d. Find the chi-square critical value and p-value and draw a conclusion.
The hypotheses for the chi-square test for independence is:
The null hypothesis holds that staff friendliness and greetings are unrelated. Ha, the other view holds that staff friendliness and greetings are interdependent.
Define hypothesis.A hypothesis is a statement that makes sense in light of the available information but hasn't been proved true or wrong. A hypothesis in statistics is a claim that will serve as the foundation for hypothesis testing (also known as a statistical hypothesis). A hypothesis in mathematics is an unproven claim that is backed up by all the information that is known as well as numerous weaker findings.
Given,
Cross-tabulation shows the number of people who rated a customer service representative as friendly and polite based on whether the representative greeted them first.
Hypothesis for the chi-square test for independence,
The null hypothesis holds that staff friendliness and greetings are unrelated.
Ha, the other view holds that staff friendliness and greetings are interdependent.
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calculate length of AC
Answer:
[tex] \sqrt{ {12}^{2} + {9}^{2} } \\ = \sqrt{144 + 81} \\ = \sqrt{225} \\ = 15cm[/tex]
Step-by-step explanation:
AB²+ BC²= AC²
AC= √AB²+BC²
50 people were asked if they like tea, coffee and hot chocolate.
Every person liked at least one of the drinks.
17 of the people like all three drinks.
31 of the people like hot chocolate
34 of the people like tea.
21 of the people like tea and coffee.
7 of the people like tea and hot chocolate but not coffee
2 of the people like coffee and hot chocolate but not tea
Two of the 50 people are chosen at random.
Work out the probability that they both like coffee
The probability that they both like coffee is 0.405
How is the probability calculated?n(H∪T∪C) = 50
n(H∩T∩C) = 17
n(H) = 31
n(T) = 34
n(T∩C) = 21
n( T∩H -C)= 7
n( C∩ H- T) = 2
By applying combination property,
No. of ways of selecting 2 random people = x = [tex]50C_{2}[/tex]
No. of people liking coffee = n( C∩ H- T) +n( C∩ T- H) +n(H∩T∩C) +n(C)
=2 +4 + 17 +9
= 32
No. of ways of selecting 2 random people liking coffee from 32 = y
= 32[tex]C_{2}[/tex]
Probability of selecting 2 random people, both liking coffee = y/x
y / x = [tex]\frac{32C_{2}}{50C_{2}}[/tex]
[tex]=\frac{32*31}{50*49} \\\\=\frac{992}{2450} \\\\= 0.405(\text{ approximately })[/tex]
The probability that they both like coffee is 0.405
What is probability?The possibility of any random event's outcome is referred to as probability. To determine the likelihood that any event will occur is the meaning of this term. A measure of how likely something is to happen is called a probability. It gauges how likely the occurrence is to occur and aids in the clear and intelligible representation of difficult data. Chance plays a huge role in probability. Statistical methods, on the other hand, are more concerned with how we manage different types of data. The terms "dependent" and "independent" are used to describe two events where the likelihood of one event occurring has no bearing on the likelihood of the other.To learn more about probability , refer:
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Assume that the risk-free rate of interest is 6% and the expected rate of return on the market is 11%. i am buying a firm with an expected perpetual cash flow of $1,000 but am unsure of its risk. if i think the beta of the firm is 1.1, when in fact the beta is really 2.2, how much more will i offer for the firm than it is truly worth?
i will offer $2,813.3 more for the firm than it is truly worth. if the risk-free rate of interest is 6% and the expected rate of return on the market is 11% with an expected perpetual cash flow of $1,000.
it can be calculate as follows:
Risk-free return (Rf) = 6%
Market return (Rm) = 11%
beta 1 = 1.1
Actual Beta (B2) = 2.2
capital cost Kc =Rf + B1 (Rm-Rf)
Capital cost using estimated beta = 6 + 1.1 (11 - 6) = 11.5 %
Capital cost using actual beta = 6 + 2.2 (11- 6) = 17 %
Cash flows are received till perpetuity $1000
Valuation of the firm = cash flow
cost of capital
Valuation at 11.5% cost of capital = 1000 = approximately $8,695.65
0.115
Valuation at 17% cost of capital = 1000 = approximately $5,882.35
0.17
Excess value over true value delivered = $8,695.65 - $5,882.35= $2,813.3
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Find an equation of the tangent line to the curve xey + yex = 5 at the point (0, 5).
Equation of the tangent line to the curve [tex]xe^{y} + ye^{x} = 5[/tex] at5 the point (0,5) is y = - ([tex]e^{5}[/tex] + 5)x + 5.
Given curve is,
[tex]xe^{y} + ye^{x} = 5[/tex]
We will differentiate both sides with respect to x,
[tex]\frac{d}{dx}[/tex][tex][xe^{y} + ye^{x} ][/tex] = [tex]e^{y} + xe^{y}\frac{dy}{dx} + e^{x}\frac{dy}{dx} + ye^{x}[/tex] = 0
⇒ [tex]\frac{dy}{dx}[/tex] [tex][xe^{y} + e^{x} ] = - [e^{y} + ye^{x} ][/tex]
⇒ [tex]\frac{dy}{dx}[/tex] = [tex]- \frac{e^{y}+ye^{x} }{xe^{y}+e^{x} }[/tex]
We have to find the equation at point (0,5).
Therefore substituting values of x and y,
that is x = 0 and y = 5.
[tex]\frac{dy}{dx} = - \frac{e^{5}+(5)e^{0} }{(0)e^{5} + e^{0} }[/tex]
= [tex]- \frac{e^{5} + 5}{1}[/tex]
[tex]\frac{dy}{dx}[/tex] = - [[tex]e^{5}[/tex] + 5] = gradient
Therefore the equation of tangent line is
(y - y1) = [m(x - x1)]
where m is the gradient
⇒ y - 5 = - [([tex]e^{5}[/tex]+5)(x - 0)]
⇒ y = - ([tex]e^{5}[/tex] + 5)x + 5
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What is the scale factor used when going from the larger rectangle to the smaller one?.
Use the scaling factor equation: greater length over smaller length to go from a smaller to a larger figure. Use the formula scale factor = smaller length over larger length if you're scaling down from a larger to a smaller figure.
What is scale factor in math?
The ratio of one object's scale to that of a new object, which has its representation but is larger, is known as a scale factor (bigger or smaller). By multiplying each side by a certain number, say 2, we can increase the size of a rectangle with sides of 2 cm and 4 cm.How can I calculate the scale factor?
The scale factor is calculated using the following fundamental formula Scale factor = Dimension of the new shape Dimension of the old shape. The formula for calculating the scale factor is written as Scale factor = Larger figure dimensions Smaller figure dimensions in the event that the original figure is magnified.Learn more about scale factor
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Find the value of "k" that makes this a true statement:
5x+1
x-2
4x²+kx+9
x2_5+6
1
x+6
x-3
=
Answer:
there fore kx = -13x^2-73x+5
then k = -13x^2-73x+5/x
Step-by-step explanation:
given that
5x+1x-2+4x^2+kx+9x^2-5+61x+6x-3 =
= you can write it as
4x^2+9x^2+kx+6x+61x+6x-5
= 13x^2+kx+73x-5
then find kx
-kx = 13x^2+73x-5
there fore
kx = -13x^2-73x+5
then k = -13x^2-73x+5/x
What are the examples of ASA congruence?.
The examples of ASA congruence in its only form, ASA is calculated via way of means of: ASA = Total Wait Time for Answered Calls/Total # of Answered Calls.
The concept at the back of ASA is to get a top level view of trendy performance.any angles and the aspect covered among the angles of 1 triangle are equal to the corresponding angles and aspect covered among the angles of the second one triangle, then the 2 triangles are stated to be congruent via way of means of ASA rule.
Examples on ASA Congruence RuleExample 1: For Δ ABC, display that AB = AC and Δ ABC is isosceles if the bisector AD of ∠ A is perpendicular to aspect BC. Also, this situation satisfies the homes of the isosceles triangles, thus, Δ ABC is an isosceles triangle. Example 2: Prove that △ACF≅△AEB, if ∠C=∠E and AC=AE.
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each marble bag sold by alonzo's marble company contains orange marbles for every blue marbles. if a bag has orange marbles, how many blue marbles does it contain?
Using the cross-multiplication method we know that the bag will contain 75 blue marbles if there will be 45 orange marbles.
What is the cross-multiplication method?When using the cross-multiplication approach, the denominator of the first term is multiplied by the numerator of the second term and vice versa.
We multiply the denominator of one side by the numerator of the other side, starting with the numerator of the first side.
So, a number of blue marbles when there are 45 orange marbles:
We know that there are 5 blue marbles when there are 3 orange marbles.
Now, we have 45 orange marbles, so the number of blue marbles will be:
The equation will be:
3/5 = 45/x
Solve the equation using the cross-multiplication method as follows:
3/5 = 45/x
3x = 5(45)
3x = 225
x = 225/3
x = 75
Therefore, using the cross-multiplication method we know that the bag will contain 75 blue marbles if there will be 45 orange marbles.
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Complete question:
Each marble bag sold by Alonzo's marble company contains 3 orange marbles for every 5 blue marble. if a bag has 45 orange marbles, how many blue marbles does it contain?
