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3 years ago

11

The length of the base of the triangle is 78 mm and the height is 55 mm. Find the area.

1 answer:

leva [86]3 years ago

6 0

Answer: 2145 ²

Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

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3 years ago

Please solve these questions on the topic of exponents

galina1969 [7]

Answer/Step-by-step explanation:

Recall: $x^{-a} = \frac{1}{x^a}$

a. $4^{-3} = \frac{1}{4^3} = \frac{1}{64}$

b. $13^{-2} = \frac{1}{13^2} = \frac{1}{169}$

c. $(-3)^{-2} = \frac{1}{-3^2} = \frac{1}{9}$

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3 years ago

-36 ÷ 4 A) 4 groups of 9 negatives B) 4 groups of 9 positives C) 9 groups of 4 negatives D) 9 groups of 4 positives

Valentin [98]

Answer:

A) 4 groups of 9 negatives

Step-by-step explanation:

-36/4

-9

This means we have 4 groups of 9 negatives

7 0

3 years ago