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3 years ago

9

Ariel earned a total of 180 dollars from drawing 12 identically-priced pictures at Friday's community meeting. Write an equation

to describe the relationship between "p", the number of pictures, and "e", the total earning. *

1 answer:

NeX [460]3 years ago

6 0

Answer:

e=12p

180=12*the number of the picture

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B. 75 inches

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3 years ago

What is (4x+-7)(2x+-9)

uysha [10]

Answer:x=1

Step-by-step explanation:(4x+-7)=(2x+-9)

We move all terms to the left:

(4x+-7)-((2x+-9))=0

We add all the numbers together, and all the variables

(4x-7)-((2x-9))=0

We get rid of parentheses

4x-((2x-9))-7=0

We calculate terms in parentheses: -((2x-9)), so:

(2x-9)

We get rid of parentheses

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Back to the equation:

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We get rid of parentheses

4x-2x+9-7=0

We add all the numbers together, and all the variables

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We move all terms containing x to the left, all other terms to the right

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x=-2/2

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(4x+-7)=(2x+-9)

We move all terms to the left:

(4x+-7)-((2x+-9))=0

We add all the numbers together, and all the variables

(4x-7)-((2x-9))=0

We get rid of parentheses

4x-((2x-9))-7=0

We calculate terms in parentheses: -((2x-9)), so:

(2x-9)

We get rid of parentheses

2x-9

Back to the equation:

-(2x-9)

We get rid of parentheses

4x-2x+9-7=0

We add all the numbers together, and all the variables

2x+2=0

We move all terms containing x to the left, all other terms to the right

2x=-2

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8 0

3 years ago

234 chocolates are to be packed into boxes Each of which will contain 11 chocolates. How many boxes of chocolates will there be?

vazorg [7]

Hello!

Divide the total amount of chocolates by the number of chcolates each box will contain.

234 ÷ 11 = 21.2727272727

It is a repeating decimal. Now, obviously there won't be 21.2727272727 boxes chcolates.

11 × 21 = 231

11 × 22 = 242

If you multiply 11 by 21, you get 231 -- which is 3 less than the total amount of chocolates. But if you multiply it by 22, you get a number that is greater than 234, so it is not possible.

ANSWER:

There will be 21 boxes of chocolates, and 3 left over.

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3 years ago