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Xelga [282]
3 years ago
7

Anyone pls help! Please show all the work, will mark brainiest.

Mathematics
1 answer:
Kitty [74]3 years ago
5 0

Answer:

12.56 in²

Step-by-step explanation:

Area = πr²

Substitute for pi.

A = 3.14 × r²

The diameter is 4. We divide the diameter by 2 to get the radius.

4 ÷ 2 = 2

Substitute for the radius.

A = 3.14 × 2²

Solve

A = 3.14 × 4 = 12.56 in²

I hope this helps and please mark me as brainliest!

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Please help me I don’t understand
aliina [53]
To add fractions, find the LCD - lowest common denominater, and then Combine. answer is 8/9. Decimal form = 0.888888..........
For LCD find where both bottom numbers equal the same so in this case you would have to multiply 3 times 3 to equal 9. Once you do that the 2 thats on top of the 3 will also have to be multiplied by 3 so it could make sense. Now you must Combine - it would be 6/9 +2/9. you only add the top numbers and leave the bottom number.(that is what its out of). Thus the answer is 8/9.

Leave a Thank you and a 5 star rate.   Thanks ;)
4 0
3 years ago
What is the missing number? 2.1 + (–3.4 + 5) = [ + (–3.4)] + 5
Kamila [148]

2.1 + (–3.4 + 5) = [ + (–3.4)] + 5 = false

2.1 + (–3.4 + 5) = 3.7

[ + (–3.4)] + 5 = 1.4

Thus your answer is 2.1


8 0
3 years ago
Trina's teacher asked her to explain the division problem 48 ÷ 12. Which choice gives the correct explanation?
saw5 [17]

Answer:

B). Break 48 into 4 groups of 12.

Step-by-step explanation:

Since 48 is divided by 12, you should break 48 into 12 different groups with 4 in each. All the other answer choices do not make sense because you cannot break 4 into 12 groups and get 48, same with 12.

7 0
3 years ago
Read 2 more answers
If the mean of 6 numbers increased by 3, by how much would the sum of
Angelina_Jolie [31]
I think 6x3=18
So, the answer is 18
8 0
3 years ago
Read 2 more answers
Please give a real answer. What is the surface area of this composite figure?
Basile [38]

Answer:

\huge \boxed{SA=294cm^2}

Step-by-step explanation:

  • SA=(6*7)+(6*7)+2[6*4/2]+4(6)+(6*6)
  • 168+42+24+24+36
  • SA=294 cm^2

-------------

hope it helps..

have a great day!!

6 0
3 years ago
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