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Galina-37 [17]
3 years ago
5

Help with Area of a circle

Mathematics
1 answer:
baherus [9]3 years ago
6 0

Answer:

1. 201.06

2. 78.54

Step-by-step explanation:

A

=

π

r

22/7× 8²=201.06

22/7× 5²=78.54

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X(x+9)=0 <br> x=?<br> What does x have to be for the answer to be 0?
yaroslaw [1]
<em>when we solve the equation it will become
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now here a = 1 , b = 9 and c = 0 
by using quaderatic formula
x = -b +,-</em>√<em>b </em>²<em>- 4ac / 2a     ( 2a is divided by all terms )
by putting values
x = - 9 +,</em><em>- </em>√<em>81 / 2(1)               ( </em>√<em>81 = 9)</em><em>
x = -9 + 9 / 2    and x = -9 -9 /2
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5 0
3 years ago
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Ratling [72]

I can only assume it would be:

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5 0
3 years ago
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andrew-mc [135]

Answer:

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Step-by-step explanation:

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Lynn is 4 years younger than her sister Tobbe. If the sum of their ages is 18, how old are Lynn and Tobbe?
expeople1 [14]
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Answer:

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Correct option is D

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3 years ago
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