2 years ago

John’s solution to an equation is shown below.

Mathematics

1 answer:

g100num [7]2 years ago

8 0

C would be the correct option

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X + y = 12

liberstina [14]

We are given with two equations to find the values of two variables, hence the problem can be solved.

Adding the two equations:

x + y = 12<u>x - y = 10
</u>2x = 22
<u />x =11
y = 1

8 0

3 years ago

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Solve for n <br> n + 6 = 12

zepelin [54]

Answer:

n=6

Step-by-step explanation:

12-6=6

4 0

2 years ago

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If x+9.8=14.7, what is the value of 8(x-3.7?

yulyashka [42]

First find X by subtracting 9.8 from 14.7
X should equal 4.9
than fill in the equation for x
8(4.9-3.7)
you then subtract in the parenthasis
getting the answer of 1.2
finally multiply 1.2x8
Your final answer is 9.6

3 0

2 years ago

For each pair of similar figures, find the ratio of the area of the first figure to the area of the second.

Hitman42 [59]

answer:

$\frac{4}{9}$

explanation:

the area of the larger square is 36 (6*6), and the area of the smaller square is 16 (4*4). to find the ratio of the area, simply just put 16 over 36 and simplify.

$\frac{16}{36} = \frac{4}{9}$

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7 0

2 years ago

The value of -9(square root) is not-3 because

love history [14]

Answer:

A) $(-3)^{2} \neq -9$

Step-by-step explanation:

7 0

2 years ago

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