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Karo-lina-s [1.5K]
3 years ago
9

Need help for math plz

Mathematics
2 answers:
tankabanditka [31]3 years ago
7 0

Answer:

A) Diameter = 12 inches

   Circumference = 37. 68

   Area = 113. 04

Step-by-step explanation:

FORMULAS:

Diameter = Radius × 2

Circumference = 2 × π × Radius

Area = Radius*2 × π

GalinKa [24]3 years ago
3 0
The radius is 10. The Area is 314.16. The circumference is 62.83

It tells you the Radius in the question.

The area is A=πr^2

and to find circumference it’s C=2πr

Hope this helps.
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Gloria has 11 markers in a backpack. One of them is purple and one is gray. Find the probability Gloria will reach into the back
SCORPION-xisa [38]

Answer:

Step-by-step explanation:

She has 1 in 11 chances of getting the purple one

One of her choices is gone after she takes out the purple one. She has a 1 in 10 chance of taking out the gray one.

1/11 * 1/10 = 1/110

8 0
3 years ago
-7 < b/3 what is the answer
Nat2105 [25]
B > -21 is i think you answer.
3 0
3 years ago
Which expression is equivalent to (2^5)^-2
irinina [24]

<u><em>1/1024 is the correct answer.</em></u> First you had to apply exponent rule, and it gave us, \frac{1}{(2^5)^2}, or 2^5^*^2. Then you can also refine, and it gave us, 2^10, or \frac{1}{2^10}. And it gave us the answer is 2^1^0=2*2*2*2*2*2*2*2*2*2=1024, or 1/1024 is the correct answer. Hope this helps! And thank you for posting your question at here on brainly, and have a great day. -Charlie

4 0
3 years ago
the 90 members of a service Club had the opportunity to vote for a club officers on Tuesday or Wednesday 3/5 of the members vote
oee [108]
For this problem, it is really important to find who voted on Tuesday first.
90×(3/5)= 54 
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90-54=36×(1/4)=9
9 people voted on Wednesday. Now add Tuesday and Wednesday together to find the ones that didn't vote.
54+9=63;90-63=27
27 people did not vote at all.
6 0
3 years ago
Read 2 more answers
-5= -4 + b<br> solve for b
Lena [83]

Answer:

-5+4=b

-1=b

so b is equal to -1

6 0
3 years ago
Read 2 more answers
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