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3 years ago

MARK AS BRIANLEST IF ANSWER RIGHT

Mathematics

1 answer:

marishachu [46]3 years ago

8 0

Answer:

x= 13

Step-by-step explanation:

−4/9(18x − 36) = −88

we need to solve the equation for x

$\frac{-4}{9}(18x - 36) = -88$

First we remove the fraction -4/9

Multiply by -9/4 on both sides

$\frac{-9}{4}*\frac{-4}{9}(18x - 36) = -88*\frac{-9}{4}$

18x -36 = 198

Now add 36 on both sides

18x = 234

Divide both sides by 18

x = 13

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suppose Tomas buys a total of 30 baseball and football cards in week 5 . how many of each would he have to buy to keep the same

Charra [1.4K]

Answer:

18 baseball cards
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Step-by-step explanation:

The only relationship shown in the table is in week 1, where the ratio of baseball to football cards is ...

baseball : football = 9 : 6

In week 1, the total of these numbers is 15. You want the total in week 5 to be 30, double the total in week 1. So, Thomas needs to purchase double the numbers he purchased in week 1:

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_____

Comment on the attachment

This table came from another question you posted, a question with no content other than the table. The blue numbers are blanks in the original table that have been filled in so as to keep the same 3:2 proportion in each week. They appear to have no bearing on this question.

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3 years ago

Solve each system by eliminating one of the variables by addition or subtraction.

Vlad1618 [11]

Answer:

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eliminate one variable by adding the equations

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x = 10

substitute the value of x in the equation 1

10 - y = 8

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[x , y]

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eliminate one variable by adding the equations

5x = 10

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substitute the value of x in the equation

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eliminate one variable by adding the equations

2 y = 4

y = 2

substitute the value of y in the equation 1

x + 2(2) = 10

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[x ; y]

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y = 3x + 6

simplify the expression

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eliminate one variable by adding the equations

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substitute the value of y in equation 1

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eliminate one variable by adding the equations

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in equation I move the variable to the left

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eliminate one variable by adding the equations

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substitute the value of x in the equation

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Answer:

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Step-by-step explanation:

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