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Elza [17]
3 years ago
10

Urgent!! Math!! What’s the answer to 1,2,3?

Mathematics
1 answer:
KiRa [710]3 years ago
8 0

Answer:

1. x=8 2. x=

Step-by-step explanation:

1. 17^2-15^2= 64

=8

x=8

sorry i only know 1

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How can you get equation b from equation A. 3(x+2)=18 B. X+2=18
Rzqust [24]

Answer:

We start with the equation:

A: 3*(x + 2) = 18

And we want to construct equation B:

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where I suppose that X is different than x.

Because in both equations the right side is the same thing, then the left side also should be the same thing, this means that:

3*(x + 2) = X + 2

Now we can isolate the variable x.

(x + 2) = (X + 2)/3

x = (X + 2)/3 - 2

Then we need to replace x by  (X + 2)/3 - 2 in equation A, and we will get equation B.

Let's do it:

A: 3*(x + 2) = 18

Now we can replace x by =  (X + 2)/3 - 2

3*( (X + 2)/3 - 2 + 2) = 18

3*(  (X + 2)/3 ) = 18

3*(X + 2)/3 = 18

(X + 2) = 18

Which is equation B.

3 0
2 years ago
Javonie started a dog walking business over the summer. He walked 8 dogs and earned $160 in July.
Damm [24]

Answer:

a) $340

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Step-by-step explanation:

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b) in July he earned 160 ÷ 8 = $ 20

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2 years ago
The graph of a quadratic equation opens down when the value of a,b or c <br> Is negative
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