3 years ago

How would you find the area of this circle? 9 cm

Mathematics

2 answers:

zalisa [80]3 years ago

8 0

Answer:

opt B

Step-by-step explanation:

A=pi times radius squared

A=pi times 4.5 squared

4.5 is half of 9

proof 9/2

gavmur [86]3 years ago

6 0

Answer:

answer C

Step-by-step explanation:

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What is the prime factorization of 84? A. 2•3•7 B. 3•4•7 C. 2•2•21 D. 2•2•3•7

Virty [35]

Answer:

D. 2•2•3•7

Step-by-step explanation:

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3 years ago

1)the mean of a, b, c, d, and e is 86. The mean of a, b, and c is 80 What is the mean of d and e?

Paraphin [41]

Since a,b and c is 80 then d and e is 6

8 0

3 years ago

Please help find the angles!!

devlian [24]

Answer:

1. 140

2. 140

3. 40

4. 40

Step-by-step explanation:

The lines are parallel so angels 1,4,5,8 are the same.

Same with angels 2,3,6,7.

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6 0

3 years ago

PLEASE HELP

Irina-Kira [14]

2.

$d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

 $d = \sqrt{(3 - 1)^2 + (1 - 3)^2}$

 $d = \sqrt{(2)^2 + (2)^2}$

 $d = \sqrt{4 + 4}$

 $d = \sqrt{8}$

3.

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3 0

3 years ago

Simplify the following expression. (19x + 4y) + (49x + 32y)

victus00 [196]

Answer: 68x + 36y

Step-by-step explanation:

Combine Like Terms:

= 19x + 4y + 49x + 32y

= (19x + 49x) + (4y + 32y)

= 68x + 36y

Hope this helped you!

5 0

3 years ago

Read 2 more answers