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Natali5045456 [20]
2 years ago
14

Need help?!?!?!?!?!?

Mathematics
1 answer:
drek231 [11]2 years ago
3 0

Answer:

1) b = 7.4 yds

2) c = 14.9 yds

Step-by-step explanation:

1) 3^2 + b^2 = 8^2

9 + b^2 = 64

b^2 = 64 - 9

b = sqrt 55

b = 7.4 yd

2) 15^2 + 2^2 = c^2

225+4=c^2

Sqrt(221) = c

C = 14.9

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Answer:

  "complete the square" to put in vertex form

Step-by-step explanation:

It may be helpful to consider the square of a binomial:

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The expression x² +x +1 is in the standard form of the expression on the right above. Comparing the coefficients of x, we see ...

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That means we can write ...

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But we need x² +x +1, so we need to add 3/4 to the binomial square in order to make the expressions equal:

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_____

Another way to consider this is ...

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* This process, "rewrite bx, add and subtract (b/2)²," is called "completing the square"—especially when written as (x-h)² +k, a parabola with vertex (h, k).

5 0
3 years ago
What number is 35% of 80?
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35/80 

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Question in Image answer with explanation please added 20 points
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Answer:

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