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Tems11 [23]
3 years ago
15

Pleasee help me!!!!!!!

Mathematics
1 answer:
Keith_Richards [23]3 years ago
6 0

Answer:

one second

Step-by-step explanation:

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Find the coordinates of the vertex for the parabola <br> f(x) =-2(x +7)*2+5
Alex

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(-7,5)

Step-by-step explanation:

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3 years ago
In a triangle , the measure of the first angle is twice the measure of the second angle. The measure of the third angle is 80 mo
Flauer [41]

Answer:

25, 50, and 105.

Step-by-step explanation:

Let the first angle be A, the second angle be B, and the third angle be C.

First, the sum of the three angles in a triangle is 180. Thus:

A+B+C=180

We know that the measure of A is twice the measure of B. Thus:

A=2B

And the measure of C is 80 more than the measure of B. So:

C=80+B

Let's substitute A and C into the original equation:

2B+B+80+B=180

Now, let's solve for the second angle (B). Combine like terms:

4B+80=180

Subtract 80 from both sides:

4B=100

Divide both sides by 4:

B=25

So, the second angle is 25 degrees.

This means that the first angle is 2(25) or 50 degrees.

And the third angle is 80+25 or 105 degrees.

And we're done!

The angles are 25, 50, and 105.

8 0
3 years ago
Solve for x ax + b = r ​
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Answer:

ax+b=r

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x=(r-b)/a

Step-by-step explanation:

3 0
3 years ago
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