Write a real-world problem that could be represented by the following equation. 70 + 5x = 40 + 10x

Answers

Answer 1

Answer: Jack wants to paint his house. he collected quotations from two different painters. The first painter's total cost in terms of the number of hours, (x), worked was modelled as f(x) = 70 + 5x, while that of the second painter was g(x) = 40 + 10x. Jack knows that it will take about 6 hours to paint the house. He figured out that the cost quoted by the two painters is equal for 6 hour of work.

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A total of four x is less an or equal to 8

Answers

The answer is simple. First you subtract 4 from each side to get xis lesss than or equal to 4

Rafael took 4 pumpkin pies to a family gathering. If he divides each pie into six equal size slices, how many slices can he serve?

Answers

The process is 4*6=24 slices

What is 11/10 converted to a percent

Answers

110%
hope this helped!

210 hope this helps you

Eight friends share 2 pizzas equally. How much pizza does each friend get

Answers

It depends on how much slices you split it into if it is the traditional 8 then there is 16 slices and 8 people divide each by 8 to get every person gets 2. Hope this helps.

It depends on how many slices the pizzas are cut into. Usually a pizza is cut into 8 slices. If there are 8 friends and 16 slices that means each friend gets 2 peices.

What fraction would you multiply 8 1/2 so that the product is about 5

Answers

The required fraction when multiplied by 8 1/2 so the product is about 5 is 10/17.

Given that,
what fraction would you multiply 8 1/2 so that the product is about 5 is to be determined.

What is the fraction?

Fraction is defined as the number of compositions that constitute the Whole.

What is simplification?

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

Here
let the fraction b x
according to question
5 = x * 8 1/2
5 = x * 8.5
x = 5 / 8.5
x = 10 / 17

Thus, the required fraction when multiply by 8 1/2 so the product is about 5 is 10/17.

Learn more about fractions here:
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1.7
1 and 7 tenths divide to prove your answer

Which expression is equivalent to 64 − 9x2?(32)2 − (3x)2
(32)2 + (−3x)2
(8)2 − (3x)2
(8)2 + (−3x)2

Answers

Answer: Third option.

Step-by-step explanation:

By definition, the number 64 and the number 9 are perfect squares.

A perfect square it that number obtained by squaring a whole number.

In this case, 64 is obtained by squaring the number 8 and the number 9 is obtained by the squaring the number 3. Then:

$8^2=64\n3^2=9$

Therefore, you can rewrite the expression $64-9x^2$ as following:

$(8)^2-(3x)^2$

This matches with the third option.

ANSWER

$64 - 9 {x}^(2) = {8}^(2) -( {3x)}^(2)$

EXPLANATION
The given expression is

$64 - 9 {x}^(2)$

Rewrite to get:

${8}^(2) - {3}^(2) {x}^(2)$

Recall that

${a}^(n) {b}^(n) = {(ab)}^(n)$
We apply this property of exponents to the second term.

This gives us

$64 - 9 {x}^(2) = {8}^(2) -( {3x)}^(2)$

The third choice is correct.

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If you have 5 tenths of a dollar, how much money do you have.

At Brian’s Bookstore, 0.3 of the shelves hold mysteries, 25% of the shelves hold travel books, and 7/20 of the shelves hold children’s books. Which type of book covers the most shelf space in the store? Explain how you arrived at your answer.

in a bookcase, there are 4 fiction books for every 9 nonfiction books. there are 78 books in the bookcase.how many fiction books are in the bookcase?