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agasfer [191]
3 years ago
9

PLEASE HELP ON MY LAST GEOMETRY PROBLEM!!

Mathematics
2 answers:
Alexxx [7]3 years ago
5 0

Answer:

area of circle having radius 3

is πr²=π*3²=9π square units

area of circle having radius 2

=πr²=π×2²=4π square units

again

area of big circle having radius [3+2]=5 units

=πr²=π×5²=25π square units

Now

area of shaded region=25π-4π-9π=12π or 37.7square units.

Andreas93 [3]3 years ago
5 0

Answer:

12π units² or 37.7 units²

Step-by-step explanation:

Find the area of the 3 circles and subtract the areas of the two smallest ones.

Biggest circle area: π((3(2)+2(2))/2)² = π((6+4)/2)² = π(5²) = 25π units²

2nd Biggest circle area: π(3)² = 9π units²

Smallest circle area: π(2)² = 4π units²

Shaded area: 25π - (9π + 4π) = 25π - 13π = 12π units² or 37.7 units²

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How do I solve this, it's not 10
guapka [62]

Answer:

26.7

Step-by-step explanation:

This is the answer because 26.7/20 = (16+26.7)/32

When two triangles are similar, it means their sides are also proportional. The reason why it is not ten is because you need to add 10 to 16 to the large triangle as well, which no longer makes it proportional.

To solve, you create a formula.

(16+x)/32=x/20

Multiply both sides by 32 to get rid of the 32 in the left side.

16+x=32x/20

Multiply both sides by 20 to get rid of the 20 right side.

320+20x=32x

-20x on both sides to get all the variables on one side and all the nukbers on the other.

320=12x

Divide both sides by 12 to get x by itself

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4 0
2 years ago
(Second time asking this please help) A multiple choice question has 6 options. What is the percentage of getting the answer cor
igomit [66]

Answer:

A multiple choice question with 6 options will have a 16.7% chance of getting the answer correct, and a ratio of 1:6.

Step-by-step explanation:

You have a 1 in 6 chance of getting the answer correct, which can be represented with the fraction \frac{1}{6} .

To get a percentage, simply divide the 1 by the 6 and you will get an answer of 0.16666667. Multiply this by 100 and you have your answer.

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4 years ago
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3 years ago
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ricardo have two snacks.One snack has the mass of 167 grams,and the other has 243 grams what is the difference in the mass of sn
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I found the image that accompanied this problem.
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4 years ago
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