3 years ago

Whats the answer to 13=d divided by 6 solve?

Mathematics

1 answer:

AlexFokin [52]3 years ago

4 0

13 x 6 = 78
d = 78

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Find the value of $c$ that makes $x^2+20x+c$ a perfect square trinomial. $c=$ Write the expression as the square of a binomial.

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Answer:

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Step-by-step explanation:

The square of a binomial is ...

(x +a)² = x² +2ax + a²

Comparing this to your expression, we have ...

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Then ...

a = 20/2 = 10

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The square is then ...

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