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pantera1 [17]
3 years ago
15

Work out the area of this semicircle.

Mathematics
1 answer:
marysya [2.9K]3 years ago
6 0

Answer:

Step-by-step explanation:

A = πr²/2 = 3.142(11²)/2 = 190.091 cm²

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solniwko [45]

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Answer:

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Step-by-step explanation:

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8 0
3 years ago
Please help it is due tomorrow.
svlad2 [7]
R = radius of basketball
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6 0
3 years ago
8a - 7b + 2a - 4b Please include the steps on how to solve it.
Troyanec [42]

Answer:

10a-11b is ur answer

Step-by-step explanation:

combine like terms

8a+2a=10a

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(always make sure to but in alphabetic order)

10a-11b

hope this helps

6 0
3 years ago
The task is in the attachment, thank you​
Novosadov [1.4K]

Answer:

m=0

Step-by-step explanation:

<em><u>mx²+2x-1=0</u></em>

if x=1/2 then

m(1/2)² +2(1/2)-1=0

m/4+1-1=0

m/4=0

m=0

4 0
4 years ago
Nine less than a number algebraic expression
nalin [4]
Nine less than a number 

is

n - 9
7 0
3 years ago
Read 2 more answers
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