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Mama L [17]
3 years ago
10

Write each of these as an integer or fraction. a. 2 x 2³ b. (-2.5)²

Mathematics
1 answer:
user100 [1]3 years ago
6 0

Answer:

a) 2 * 8 = 16

b) (-2.5)(-2.5) = 6.25 = \frac{625}{1000} = \frac{5}{8}

Step-by-step explanation:

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Answer:

\frac{7}{x+7}

Step-by-step explanation:

<u>Step 1:  Pull a 7 from the top</u>

<u />\frac{7x + 42}{x^2 + 13x + 42}

\frac{7(x + 6)}{x^2 + 13x + 42}

<u>Step 2:  Factor the bottom</u>

<u />\frac{7(x + 6)}{(x + 7)(x + 6)}

<u>Step 3:  Cancel the top (x+6) and the bottom (x+6)</u>

<u />\frac{7}{x+7}

Answer:  \frac{7}{x+7}

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