Im not too sure about my answer so if you could please help me. its the last question

Mathematics

2 answers:

Ilya [14]3 years ago

7 0

Answer:

I believe the answer is A

Step-by-step explanation:

Distributive property

eimsori [14]3 years ago

5 0

Answer:

Step-by-step explanation:

You are correct. The answer would be B. When you look at this equation, look to see where the parenthesis are located. Parenthesis mean multiply. So if we took them out, the problem would look like this:

4 × 1 × c + 1 × 7

Because the multiplication sign comes after the 4, you are multiplying the (4 + 7) by 1, not 4.

I hope this makes sense. Please let me know if you need any more help or clarification. Good luck!

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3 years ago

Which equation is the inverse of 2(x - 2)2 = 8(7 + y)?

Marina86 [1]

Answer:

The inverse of $2(x - 2)^2 = 8(7 + y)$ is $y=\sqrt{(4x+28)}+2$

Step-by-step explanation:

Given equation : $2(x - 2)^2 = 8(7 + y)$

$\Rightarrow \frac{2(x-2)^2}{8}=7+y\\\Rightarrow \frac{2(x-2)^2}{8}-7=y$

Replace x with y and y with x

So, $\Rightarrow \frac{2(y-2)^2}{8}-7=x\\\Rightarrow \frac{2(y-2)^2}{8}=x+7\\\Rightarrow 2(y-2)^2=8(x+7)\\\Rightarrow (y-2)^2=4(x+7)\\\Rightarrow (y-2)=\sqrt{4(x+7)}\\\Rightarrow y=\sqrt{4(x+7)}+2\\\Rightarrow y=\sqrt{4x+28)}+2$