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zaharov [31]
3 years ago
8

What is the factored form of the expression? 16b^2 – 81

Mathematics
1 answer:
solong [7]3 years ago
6 0

Answer:

(4b-9) (4b+9)

Step-by-step explanation:

16b^2 – 81

This is the difference of squares

(a^2 -c^2) = (a-c) (a+c)

a^2 = 16b^2   so a= 4b

c^2 = 81   so c = 9

(16b^2 – 81) = (4b-9) (4b+9)

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3 years ago
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Maurinko [17]

Answer:

1: 5.83

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3: 3.61

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Step-by-step explanation:

The Pythagorean theorem is a^2 + b^2 = c^2

For all of these you can count the number of blocks over to find two sides of the triangle.

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2 years ago
What is 24/36 simplified?
zhuklara [117]
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4 0
3 years ago
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Need help with math. I will give brainliest!!!!!!
Mice21 [21]

Answer:

~~

Step-by-step explanation:

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Leg a= 24

Leg b= 10

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Read more on Brainly.com - brainly.com/question/12450752#readmore

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3 years ago
Find the unknown side length, x. Write your answer in simplest radical form.
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3 years ago
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