When will the graph meet the line y=5 ? Explain how you know.

When Will The Graph Meet The Line Y=5 ? Explain How You Know.

Answers

Answer 1

By solving the logarithmic equation for x when y = 5, we determined that the graph would meet the line y = 5 when x = 10^5

Solving logarithmic equation

From the question, we are to determine when the graph will meet the line y = 5

From the given information,

The given function is

y = log10 (x)

To determine when the graph would meet the line y = 5, we will determine the value of x when y = 5 in the function

y = log10 (x)

5 = log10 (x)

Applying the exponent law of logarithm, we get

10^5 = (x)

Therefore, x = 10^5

Hence, the graph would meet the line y = 5 when x = 10^5

The point (100, 2) is on the graph because, x = 100, y = 2 is true for the function

That is,

y = log10 (x)

2= log10 (100)

Applying the exponent law

10^2 = 100

100 = 100

This shows why the point (100, 2) is on the graph

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Related Questions

AB and CD are tangents of circle O find each of the following

Answers

The lines CA and CD are tangents to the circle O, hence; EA = 4, AB = 15, m∠ABO = 90°, m∠ODC = 90°, and m∠EAB = 30°.

Tangent to a circle theorem

The tangent to a circle theorem states that a line is tangent to a circle if and only if the line is perpendicular to the radius drawn to the point of tangency

If OB = 6 and AB = 8, then;

OA = √(8² + 6²) {by Pythagoras rule}

OA = √100

OA = 10

EA = OA - OE(radius)

EA = 10 - 6 = 4

If DE = 16 and EA = 9, then;

OA = (diameter/2) + EA

OA = 8 + 9 = 17

AB = √(17² - 8²)

AB = √225

AB = 15

OB is perpendicular to line CA tangent to the circle so m∠ABO = 90°

OD is perpendicular to the line CD tangent to the circle so m∠ODC = 90°

If m∠DOB = 120° then;

120° = m∠ABO + m∠EAB {exterior angle of a triangle is equal to the two opposite interior angles}

m∠EAB = 120° - 90°

m∠EAB = 30°

In conclusion, for the lines tangent to the circle, we have that;

EA = 4, AB = 15, m∠ABO = 90°, m∠ODC = 90°, and m∠EAB = 30°

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What is the slope of the line on the graph?
C)2

Answers

The slope of the line on the given graph in the image below is: 2.

How to Find the Slope of a Line on a Graph?

To find the slope of the line in a graph, use any two points on the line and plug in the coordinates of the two points in the slope formula which is given as:

Slope (m) = change in y / change in x = rise/run = y2 - y1 / x2 - x1

Picking two points on the line, (0, 1) and (1, 3):

Slope (m) = change in y / change in x = (3 - 1) / (1 - 0)

Slope (m) = 2/1

m = 2

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1. There is a chance that a bit transmitted through a digital transmission channel is received in error. Let X denote the number of bits in error in the next four bits transmitted. Suppose the probability mass function is given by:
Pr(X = 0) = 0.55
Pr{X = 1) = 0.22
Pr(X = 2) = 0.13
Pr(X = 3) = 0.08
Pr(X = 4) = 0.02
Determine the following:
a. the probability that two or fewer bits are transmitted in error
b.the probability that at least one bit is transmitted in error
c.the expected value of the number of bits transmitted in error
d.the standard deviation of the number of bits transmitted in error
2. Consider the following function:
f(x) = kx 0 less than or equal to x less than or equal to 8
a.Find the value of k that makes the function a valid probability density function (pdf). Report your answer as a fraction.
b. Determine Pr(2 less than or equal to x less than or equal to 3).Report your answer as fraction
c. Determine the expected value.

Answers

All the probabilities are solved and are mentioned below.

What is probability mass function?

In probability and statistics, a probability mass function is a function that gives the probability that a discrete random variable is exactly equal to some value

Given is that there is a chance that a bit transmitted through a digital transmission channel is received in error. Let X denote the number of bits in error in the next four bits transmitted. Suppose the probability mass function is given by -

Pr(X = 0) = 0.55

Pr{X = 1) = 0.22

Pr(X = 2) = 0.13

Pr(X = 3) = 0.08

Pr(X = 4) = 0.02

We can find the probabilities as -

{ 1 } - the probability that two or fewer bits are transmitted in error :

P{E} = P(0) + P(1) + P(2)/∑P{n}

P{E} = 0.9/1

P{E} = 0.9

{ 2 } - the probability that at least one bit is transmitted in error -

P{E} = P(1) + P(2) + P(3) + P(4)/∑P{n}

P{E} = 0.45/1

P{E} = 0.45

{ 4 } - the expected value of the number of bits transmitted in error -

n = 0 + 1 + 2 + 3 + 4

n = 10

{ 4 } - the standard deviation of the number of bits transmitted in error -

σ = 1.0677

Therefore, all the probabilities are solved and are mentioned above.

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Use a definition, postulate, or theorem to find the value of x in the figure described.

Point E is between points D and F. IfDE=x-1, EF = 4x + 5, and DF = 6x - 5, find x.

The solution is x =?

Answers

Thus, the value of x in the figure is 9.

What's collinear?

Collinear refers to a term used in figure to describe a set of three or further points that lie on the same straight line. In other words, if you can draw a straight line that passes through two or further points, those points are said to be collinear.

We can use the member addition hypothetical to break for x. According to the member addition hypothetical, if three points A, B, and C are collinear, also AB BC = AC.

In this case, points D, E, and F are collinear, so we can write

DE EF = DF

Substituting the given values, we get

x- 1 4x 5 = 6x- 5

Simplifying the equation, we get

x 4 = 6x- 5

Abating 5x from both sides, we get

= x- 5

Adding 5 to both sides, we get

x = 9

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The grade point average for college students is based on a weighted mean computation. For most colleges, the grades are given the following data values: A (4), B (3), C (2), D (1), and F (0). After 60 credit hours of course work, a student at State University earned 6 credit hours of A, 15 credit hours of B, 31 credit hours of C, and 8 credit hours of D.
a. Compute the student's grade point average. Round your answer to two decimal places.
b. Students at State University must maintain a 2.5 grade point average for their first 60 credit hours of course work in order to be admitted to the business college. Will this student be admitted?

Answers

The student's grade point average is 2.32.

The student will not be admitted to the business college.

What is a mean?

It is the average value of the set given.

It is calculated as:

Mean = Sum of all the values of the set given / Number of values in the set

We have,

(a)

Total grade points earned

= (6 x 4) + (15 x 3) + (31 x 2) + (8 x 1)

= 24 + 45 + 62 + 8

= 139

Total credit hours.

= 6 + 15 + 31 + 8

= 60

Now,

The student's grade point average:

= Total grade points earned / Total credit hours taken

= 139 / 60

= 2.32

(b)

2.32 < 2.5

This means,

The student's grade point average is lower than the required 2.5 GPA for admission to the business college.

Thus,

The student's grade point average is 2.32.

The student will not be admitted to the business college.

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g five cards are dealt from a standard deck of playing cards.what is the probability that the you dealt 5 cards from same suit.

Answers

Answer:

the probability of being dealt 5 cards from the same suit is approximately 0.00198, or about 0.198%.

Step-by-step explanation:

The total number of ways to choose 5 cards from a deck of 52 cards is given by the combination formula:

C(52, 5) = 52! / (5! (52 - 5)!) = 2,598,960

Now, we need to count the number of ways of choosing 5 cards from the same suit. There are 4 suits in a deck of cards (hearts, diamonds, clubs, and spades), so we need to count the number of ways to choose 5 cards from each of these suits and add them up.

For each suit, the number of ways of choosing 5 cards from that suit is given by the combination formula:

C(13, 5) = 13! / (5! (13 - 5)!) = 1,287

So the total number of ways of choosing 5 cards from the same suit is:

4 * 1,287 = 5,148

Therefore, the probability of getting 5 cards from the same suit is:

5,148 / 2,598,960 ≈ 0.00198

So the probability of being dealt 5 cards from the same suit is approximately 0.00198, or about 0.198%.

Match the following equation to the correct situation.

A + A(9%) = A(1.09)
A.
The amount Ryan paid for two shirts, one was full price for A, the other was discounted 9%.

B.
The amount donated by a company which gives 9% of A dollars collected at a charity banquet.

C.
The amount Tonya owes after putting 9% down on an A home.

D.
The amount Jess owes Julie from borrowing A with 9% interest.

Answers

A + A(9%) = A(1.09) is matching with the amount Jess owes Julie from borrowing A with 9% interest.

What is interest?

In the study of finance and economics, interest is the predetermined amount that a borrower or deposit-taking financial institution pays to a lender or depositor above and beyond the principal amount. It differs from any fees the borrower may be required to pay the lender or another entity.

Suppose here A is 100

We put the value of A in the equation

A + A(9%) = A(1.09)

100+ 100*9/100 = 100*1.09

Or,100+9=100*109/100

Hence the correct answer is D, amount Jess owes Julie from borrowing A with 9% interest.

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Answer:

Step-by-step explanation:

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What is the answer to this question?
8(x-3)+-4-4+x+1+-2(x+2)+6+7x+-8x=?

Answers

Answer:

X = -29/22

Step-by-step explanation:

I used PEMDAS to solve the question

Solve (x – 3)2 = 49. Select the values of x.

Answers

Answer:

27.5

Step-by-step explanation:

(x – 3)2 = 49

(x – 3) = 49/2

(x – 3) = 24.5

x = 27.5

Select the correct answer. What is the solution to this equation? 216 = 6 2 ⁢ x − 1 A. x = 1 B. x = 2.5 C. x = 3 D.

Answers

Answer:

D. [If D is saying "x = 4"]

Step-by-step explanation:

We can start solving the equation 216 = 62x - 1 by adding 1 to both sides to isolate the term with x:

216 + 1 = 62x

Simplifying the left side, we get:

217 = 62x

To solve for x, we can divide both sides by 62:

217/62 = x

Using a calculator, we can evaluate the quotient:

3.5 = x

Therefore, the solution to the equation 216 = 62x - 1 is x = 3.5.

Since none of the answer choices match this result exactly, we can round 3.5 to the nearest integer. Rounding 3.5 up to the nearest integer gives us x = 4.

A carpenter who was installing a new roof on a garage noticed that for every 1-foot horizontal run, the roof was elevated by 4 inches. What is the pitch of this roof?

Answers

The pitch of the roof with one foot horizontal run and 4 inches elevation is 4 in per foot

What is an equation?

An equation is an expression that shows the relationship between two numbers and variables using mathematical operations like addition, subtraction, multiplication, exponents

The roof pitch (steepness) is given as a ratio of inch rise per horizontal foot, It is given by:

Pitch = rise / run

For every 1-foot horizontal run, the roof was elevated by 4 inches, hence:

Pitch = rise / run = 4 in / 1 ft = 4 in per foot

The pitch is 4 in per foot

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Name 1. Write equivalent fractions for 2/ 3 and 1/3 that could be used to find the sum of the fractions. ​

Answers

Answer:

4/6 and 2/6

Step-by-step explanation:

2/3 = 4/6

1/3 = 2/6

4/6 + 2/6 = 6/6 = 1

The common ratio in a geometric series is 4 44 and the first term is 3 33. Find the sum of the first 8 88 terms in the series.

Answers

The sum of the first 8 terms in the given geometric series is 65,535.

A geometric series is a sequence of numbers in which each term after the first is obtained by multiplying the previous term by a fixed non-zero constant called the common ratio.

In this case, the common ratio is 4, and the first term is 3. So, the first 8 terms of the series are:

3, 12, 48, 192, 768, 3072, 12288, 49152

To find the sum of the first 8 terms, we can use the formula for the sum of a finite geometric series:

S = a(1 - r^n) / (1 - r)

where S is the sum of the first n terms, a is the first term, r is the common ratio, and n is the number of terms.

Plugging in the given values, we get:

S = 3(1 - 4^8) / (1 - 4)

Simplifying the expression, we get:

S = 65,535

Therefore, the sum of the first 8 terms in the given geometric series is 65,535.

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--The question is incomplete, answering to the question below--

"The common ratio in a geometric series is 4 and the first term is 3. Find the sum of the first 8 terms in the series."

1.8A F. Flint is starting a business. Before starting to sell anything, he bought fixtures for £1,200, a van
for £6,000 and an inventory of goods for £2,800. Although he has paid in full for the fixtures and the van,
he still owes £1,600 for some of the inventory. B. Rub lent him £2,500. After the above, Flint has £200 in
the business bank account and £175 cash in hand. You are required to calculate his capital.

Answers

Flint is starting a business. Before starting to sell anything, he bought fixtures for £1,200, a van for £6,000 and an inventory of goods for £2,800. Although he has paid in full for the fixtures and the van, he still owes £1,600 for some of the inventory. B. Rub lent him £2,500. After the above, Flint has £200 in the business bank account and £175 cash in hand. Total capital is £10,375

What do you mean by capital?

Any employed financial asset might be considered capital. A company's capital is represented on its balance sheet as the earnings from its ongoing operations. The money in a bank account, the proceeds from the sale of stock shares, and the proceeds from the sale of bonds are a few examples.

A factory and its equipment, intellectual property like patents, or the financial assets of a company or a person are all examples of things that provide value or benefit to their owners and fall within the broad definition of capital.

Fixtures= £1,200, van= £6,000, inventory of goods= £2,800, cash =£375

So, Total assets= £10,375

Payable=  £1,600, loan from Rub= £2,500, Balancing figure= £6,275

Total liabilities= £10,375

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Please help I need help so badly

Answers

Step-by-step explanation:

area

3.14×18×18

1017.36ft²

circumference

2×3.14×18

113.04ft

The same hammer is available from an online retailer. if a customer uses a discount code fhat offercs a 25% discount and free shipping, the hammer will cost $17.25. There is no sales tax if the customer buys the hammer online

Answers

Therefore , the solution of the given problem of percentage comes out to be  the original price of the hammer is $23, and the customer saved $5.75 with the discount code.

What is a percentage?

In mathematics, a percentage is any value that can be represented as a fraction of 100. There are also sporadic uses of the abbreviations "pct.," "pct," or "pc." Nonetheless, it is typically denoted by the "%" symbol. The proportional amount is flat and lacks any dimensions. As percentages have a numerator of 100, they can be thought of as fractions. The percent symbol (%) must come after a number to denote that it is a percentage. .

Here,

Let x be the original price of the hammer.

With the 25% discount, the customer pays 75% of the original price:

0.75x

And since there is free shipping, the customer pays only the price of the hammer:

0.75x = 17.25

Solving for x, we have:

x = 17.25 / 0.75 = 23

Therefore, the original price of the hammer is $23, and the customer saved $5.75 with the discount code.

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I need help please!!

Equation of line of reflection:

Answers

The answer of the line of reflection is -.1

The equation y = 1.55x + 110,419 approximates the total cost, in dollars, of raising a child in the United States from birth to 17 years, given the household’s annual income, 78,300.

Answers

$231784 is the  to raise a child from birth to 17 years in a household with an annual income of $78,300.

What is slope intercept form of line?

The slope intercept form of a line is y=mx+b, where m is slope and b is the y intercept.

Let y represents  the total cost in dollars f raising a child in the United States from birth to 17 years

x represents the households annual income

We have  y = 1.55x + 110,419

We need to find the value of y for x=78300

y=1.55(78300) + 110,419

y=231784

Hence, $231784 is the  to raise a child from birth to 17 years in a household with an annual income of $78,300.

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A -foot tall monument is located in the distance. From a window in a building, a person determines that the angle of elevation to the top of the monument is , and that the angle of depression to the bottom of the monument is. How far is the person from the monument? round the answer to the nearest hundredth.

Answers

The distance between the man and the monument is 1060.16 feet.

Here we have the angle of elevation to be 18°

and the angle of depression to be 3°

Let the distance between the man and the monument be x feet

Now for any angle a, tana = opposite angle / adjacent angle

Hence we can sum up the building's height to be

x tan18 + x tan3 = 400

or, x(tan18 + tan3) = 400

or, x(0.3249 + 0.0524) = 400

or, 0.3773x = 400

or, x = 400/0.3773

or, x = 1060.16

Hence the distance between the man and the monument is 1060.16 feet.

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Hello. Please, help with a question below

Answers

The Average rate of change is defined as

r{average} = Δy/Δx = (y₂ - y₁/x₂ - x₁).

What is unit rate?

The rate at which one quantity changes per unit change with the other quantity is called unit rate.

Given is the average rate of change.

Average rate of change is defined as the change in the value of a quantity over the interval change in the other quantity.

Mathematically -

r{average} = Δy/Δx = (y₂ - y₁/x₂ - x₁)

Therefore, the Average rate of change is defined as

r{average} = Δy/Δx = (y₂ - y₁/x₂ - x₁).

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Answer:

what basic business principle does the author of your reading material state that automakers igno red in recent years leading to the need for an industry bailout

The value went from $45.00 to $68.75. What was the percent change?

Answers

The percent change from $45.00 to $68.75 is approximately 52.8%.

What does the phrase "percent change" mean?

Finding the difference between two values in a time series and multiplying it by 100 after dividing it by the initial value yields the percentage change between the two values.

We employ the following formula to determine the percentage difference between two values:

(New Value - Old Value) / Old Value * 100% is the formula for percent change.

The former value in this instance was $45.00, whereas the new value is $68.75.

Adding these values to the formula yields the following results:

($68.75 - $45.00) / $45.00 * 100% is the percent difference.

percent modification: (23.75% / (45.00%) * 100%

52.8% change in percentage

As a result, the percentage increase from $45.00 to $68.75 is almost 52.8%.

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(a) The length of a rectangle is 6 cm more than its width, w cm. The perimeter of the rectangle is 37 cm. Form an equation in w and solve it to find the width of the rectangle.​

Answers

The width of the rectangle whose perimeter is 37 cm is 6.25 cm.

What is Algebra?

A branch of mathematics known as algebra deals with symbols and the mathematical operations performed on them.

Variables are the name given to these symbols because they lack set values.

In order to determine the values, these symbols are also subjected to various addition, subtraction, multiplication, and division arithmetic operations.

Given:

The length of a rectangle is 6 cm more than its width, w cm.

So, the length = w + 6

The perimeter of the rectangle is 37 cm.

Then, Perimeter of the rectangle = 37

2(l+ w) = 37

2( w+ 6 +w )= 37

2(2w + 6)= 37

4w + 12 = 37

4w = 25

w = 6.25 cm

and, length = w+ 6 = 6 + 6.25 = 12.25 cm

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A basketball player makes 39% of her shots from the free throw line. Suppose that each of her shots can be considered independent and that she takes 10 shots. Let x = the number of shots that she makes. What is the standard deviation for x?.

Answers

The standard deviation is 1.32

We can use the binomial distribution to calculate the probability of making a certain number of shots. The formula for the standard deviation of a binomial distribution is:

σ = √(np(1-p))

Where σ is the standard deviation, n is the number of trials (in this case, 10), p is the probability of success on each trial (0.39, or 39%), and (1-p) is the probability of failure on each trial (0.61, or 61%).

So, plugging in our values:

σ = √(10 * 0.39 * 0.61)

σ ≈ 1.32

In other words, if the player takes 10 free throws, we would expect her to make between 2 and 6 of them about 68% of the time.

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PLEASE HELP!

Over the course of 24 hours, the tides on Earth complete one full cycle from low tide to high tide and back down again. On one particular beach, the tide drops to 2 feet below sea level for low tide and reaches 4 feet above sea level for high tide. Write a possible trigonometric function that would model the tide situation for
this beach.

Answers

Answer:

Step-by-step explanation:

A possible trigonometric function that would model the tide situation for this beach is:

h(t) = -2 + 3sin(πt/12)

where h(t) represents the height of the tide at time t in hours, and πt/12 represents the angle (in radians) corresponding to the time t on a unit circle with a period of 24 hours.

The constant -2 represents the lowest point of the tide (2 feet below sea level), and the coefficient of 3 in front of the sine function determines the amplitude of the tide, which is 3 feet (half the difference between the highest and lowest points of the tide, which is 4 - (-2) = 6 feet). The sine function oscillates between -1 and 1, so the range of the function h(t) is between -2 - 3 = -5 feet (when the sine function takes on its minimum value of -1) and 4 - 2 = 2 feet (when the sine function takes on its maximum value of 1), as expected for the given tidal range.

Because the Earth rotates through two tidal “bulges” every lunar day, coastal areas experience two high and two low tides every 24 hours and 50 minutes. High tides occur 12 hours and 25 minutes apart. It takes six hours and 12.5 minutes for the water at the shore to go from high to low, or from low to high.

7. Alexis has 145 stickers. She wants to divide the stickers evenly among 5 of her friends. How
many stickers will each friend get?
Write your answer in the box.
stickers.
8. There are 2,472 seats in the school auditorium. The seats are divided into 6 equal sections.
How many seats are in each section? Write your answer in the box.
seats
Explain how you found your answer. Show your work.

Answers

Answer: 7: 29 stickers for each friend

8: 412 seats in each section

Step-by-step explanation:

We will have to divide 145 (stickers) by 5 (friends) to get 29

We will have to divide 2472 by 6 to get 412

7.) 145 ÷ 5 = 29 → Each friend will get 29 stickers

8.) 2,472 ÷ 6 = 412 → There are 412 seats in each second.

I divided for both problems using the long division method and multiplied which is the inverse operation, to check my work.

Solve only this problem :

Write an expression for the number of years after which there will be 15,000 dollars in the account.

Answers

The time is about 122 years and 9 months after which there will be 15,000 dollars in the account.

What is an exponential function?

Mathematical functions with exponents include exponential functions. f(x) = bˣ, where b > 0 and b 1, is a fundamental exponential function.

Given:

An expression,

1[tex](e)^{0.034t}[/tex] model the balance, in thousands of dollars, where t is time.

(a).

0.034 represents the rate at which the function is expressed.

So,

0.034t = log(15000)

          t = log(15000)/0.034

          t =  122.826213502 in years.

          t = 122 years, 9 months.

Therefore,  t = 122 years, 9 months.

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Kristina paid mortgage interest of
$6,320.00 and Medical Expenses of
$19,500.00 during 2022. Her
GROSS INCOME was $32,500.
16. Should Kristina take the
standard deduction or itemize her
two expenses? Why?
A)She should take the standard
deduction because it would be larger than her itemized deductions.
B) She should take the itemized
deductions because they would be larger than the standard deduction.
C) It wouldn't matter. Choosing either one
wouldn't change the outcome of your tax calculations.

Answers

Answer:

B) She should take the itemized deductions because they would be larger than the standard deduction.

Step-by-step explanation:

Given Kristina will file a single so her standard deduction for 2022 is $12,950.

For itemized deduction, she can include her mortgage interest of $6,320.00.

For her medical expenses, it has to be more than 7.5% of her gross income of $32,500 => 7.5% of $32,500 = $2437.5.

so her deduction for medical expenses is $19,500 - $2437.50 = $17,062.5

so her total itemized deduction is $6,320.00 + $17,062.50 = $23,382.50

Her itemized deduction is larger than standard deduction for single filing. So itemized deduction is the best option for Kristina.

The correct mix for a batch of concrete is 5:4:2 in terms of sand, gravel, and cement.

The batch is to have 2200 pounds of these ingredients. How many of each are needed?

Sand
Gravel
Cement

Answers

To make a batch of concrete with a total weight of 2200 pounds and a mix ratio of 5:4:2 for sand, gravel, and cement, we need 1000 pounds of sand, 800 pounds of gravel, and 400 pounds of cement.

We must utilise the ratio of sand, gravel, and cement in the mix, which is 5:4:2, to calculate the amount of each ingredient required for a batch of concrete with a total weight of 2200 pounds.

Let's use the number "5x" to represent the quantity of sand in the batch, where x is a proportionality constant. The batch's cement and gravel contents are then, respectively, "4x" and "2x," respectively.

The problem states that the batch weighs 2200 pounds in total. As a result, we may construct the equation shown below:

5x + 4x + 2x = 2200

By merging similar phrases to simplify the left side, we obtain:

11x = 2200

When we multiply both sides by 11, we get:

x = 200

Knowing the value of x allows us to calculate the quantity of each ingredient in the batch:

Sand weight is 5x, or 5 * 200, or 1000 pounds.

The gravel weight is 4x, or 4 * 200, or 800 pounds.

There are 400 pounds of cement, or 2x = 2 * 200.

Therefore we need 1000 pounds of sand, 800 pounds of gravel, and 400 pounds of cement to build a batch of concrete that weighs 2200 pounds overall and has a sand, gravel, and cement mix ratio of 5:4:2.

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Drag one or more expression into each letter space (a,b,c,d) to create an equation that is true for all values of x. (Assume no denominator equals zero)
(3/x+2)+(4/x)+(2/x^2)=(3(a)+4(b)+2(c)/d)

X^2(x+2)
X(x+2)
X^2
X
(X+2)

Answers

The expression into each letter space (a,b,c,d) to create an equation that is true for all values of x is X(x+2),X,(X+2),X^2.

What is an expression?

Expression in mathematics is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

We are given that;

The equation with a,b,c,d=(3/x+2)+(4/x)+(2/x^2)=(3(a)+4(b)+2(c)/d)

Now,

=(3/x+2)+(4/x)+(2/x^2)

=3/x + 2x/2 + 4/x + 2/x^2

=(3+2x)/x+4/x+2/x^2

Therefore, the answer of the expression will be X(x+2),X,(X+2),X^2.

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If f is one-to-one and f(7)=3, then f^1(3)= ___, and (f(7))^-1= ___

Answers

Answer:

[tex]f^{-1}(3) = \boxed{7}[/tex]

[tex]f(f(7))^{-1} = \boxed{7}[/tex]

Step-by-step explanation:

These follow from two of  the properties of inverse functions:

If [tex]f[/tex] is a one-to-one function then

[tex]if\; f(x) = y \;then\; f^{-1}(x) = y}[/tex][tex]f^{-1}(f(x) = x\\\\f^{-1}(f(x) \;is\;the\;same\;as; ((f(x))^{-1}[/tex]

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