3 years ago

I need help with this...

Mathematics

1 answer:

Mrrafil [7]3 years ago

5 0

the answer is 60 :) good luckStep-by-step explanation:

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Circle A has a radius of 6 inches. Circle b has a radius 20% greater than circle A. What is the radius of circle B?

Ulleksa [173]

Answer:

7.2inches.

Step-by-step explanation:

Given parameters:

Radius of Circle A = 6inches

Unknown:

Radius of circle B = ?

Solution:

We are to find the radius of circle B.

The relationship between circle A and B is such that;

Radius of Circle B = 20% greater than that of A

Radius of Circle B = 1.2 x 6 = 7.2inches.

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Ierofanga [76]

Answer:2000

Step-by-step explanation:I think

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3 years ago

Nata [24]

Answer: 15, -8

Step-by-step explanation:

$u_2=7\\u_2=u_1+r\\u_3=u_1+2r\\u_4=u_1+3r\\\\u_1+u_2+u_3+u_4=4u_1+6r=12\\u_1+r=7\\\\$

$\left \{ \begin {array} {ccc|c|c}u_1+r&=&7&-4&-6\\4u_1+6r&=&12&1&1\\\end {array} \right.\\\\\\\left \{ \begin {array} {ccc}2r&=&-16\\-2u_1&=&-30\\\end {array} \right.\\\\\\\left \{ \begin {array} {ccc}r&=&-8\\u_1&=&15\\\end {array} \right.\\\\\\Proof:\\u_1=15\\u_2=7\\u_3=-1\\u_4=-9\\sum=12\\$

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1 represents the value of Point C on the number line.

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2 years ago

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