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Aneli [31]
3 years ago
10

Find all solutions by factoring. c? + 13c + 40 = 0

Mathematics
1 answer:
Karolina [17]3 years ago
3 0

Answer: c = -5, -8

Step-by-step explanation:

c^2 +13c+40=0

(c+5)(c+8)=40

c = -5, -8

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Simplify the expression. State any excluded values.<br><br> x^ 2 - 36/42x - 7x^ 2
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Consider the expression x^2-\dfrac{36}{42}x-7x^2.

This expression contains two terms with x^2, group them:

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Now simplify term \dfrac{36}{42}x=\dfrac{6}{7}x.

Now x^2-\dfrac{36}{42}x-7x^2=-6x^2-\dfrac{6}{7}x=6\left(-x^2-\dfrac{1}{7}x\right)=-6x\left(x-\dfrac{1}{7}\right).

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3 years ago
What times 1/10 equals 0.047
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Answer:

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X=10 the two triangles are the same size just one is scaled down by 1/2. Hope this helps
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3 years ago
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BlackZzzverrR [31]

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