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SIZIF [17.4K]
3 years ago
14

Describe the change int he radius of a circle when the area is multiplied by 1/4.

Mathematics
1 answer:
Marianna [84]3 years ago
4 0
I think the correct answer is C. Since a=πr², in order to get the area to become 1/4 of what it was previously, the radius needs to be cut in half to make the divide that side by 4.  a=π(r/2)²=πr²/4 and will therefore multiply the area by 1/4.
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PLS HELP I WILL GIVE BRAINLIEST
mr_godi [17]

Answer:

21 square feet

Step-by-step explanation:

To find out the area of this irregular figure, divide it into two rectangles and add their areas.. This can be done in two ways.

Version 1: 6 * 2 rectangle and 3 * 3 square

(6 * 2) + (3 * 3)

12 + 9

21 sq. ft.

Version 2: 5 * 3 rectangle + 2 * 3 rectangle

(5 * 3) + (2 * 3)

<em>You could really just do 7 * 3 here.</em>

7 * 3

21 sq. ft.

Either way, you still get 21 square feet as your answer.

5 0
3 years ago
tomas is thinking of a number. If he triples his number and subtracts 13 the result is 305. Of what number is tomas thinking
dezoksy [38]
3x-13=305

3x=305+13

3x=318

(3x)÷3=318÷3

x=106

check.. (3×106)-13=305

318-13=305

305=305



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3 years ago
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Colt1911 [192]

Answer:

false

Step-by-step explanation:

4 0
2 years ago
PLS HELP NEED DESPERATELY ALL WORK SHOWN PLS
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Answer:

yes

Step-by-step explanation:

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3 years ago
What is 35300 in the sceincetific notation​
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35300 x 10⁰

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3,53 x 10⁴

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3 years ago
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