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Simora [160]
4 years ago
7

Factor the trinomial x^2 - 3x - 40

Mathematics
2 answers:
Elenna [48]4 years ago
8 0
The answer is (x+5)(x-8)
Hope this helps
Semenov [28]4 years ago
5 0

The answer is (x+5)(x-8)

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Find the value of c that makes each trinomial a perfect square<br> x^2-19x+c<br> Please Help! :)
tensa zangetsu [6.8K]

The value of c is \frac{361}{4}

Explanation:

Given that the trinomial is x^2-19x+c

We need to determine the value of c such that the trinomial is a perfect square.

The value of c can be determined using the formula,

c=(\frac{b}{2})^2

From the trinomial, the value of b is given by

b=-19

Substituting the value of b in the above formula, we have,

c=(\frac{-19}{2} )^2

Squaring both the numerator and denominator, we have,

c=\frac{361}{4}

Thus, the value of c is \frac{361}{4} which makes the trinomial a perfect square.

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2 years ago
0.09 is 10 times as much as
e-lub [12.9K]
0.09 is 10 times as much as 0.009, since it is one decimal place behind 0.09!
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Log 24 base 5 - log 6 base 5
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To subtract logs, you need to use the log rule, that when you subtract logs, you divide the two arguments and keep the base if it is the same. So divide 24 by 6 and you get 4. So the answer to your question is Log 4 base 5. Hope this helps. 
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