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Olin [163]
3 years ago
6

Area of a semicircle is 308cm. Find the perimeter

Mathematics
1 answer:
fgiga [73]3 years ago
3 0

Answer:

72 cm

Step-by-step explanation:

Find the radius using the given information

308=1/2(πr^2)

r^2=616/π

r=14

The perimeter is πr + 2r so plug in 14

π(14) + 2(14)

43.96+28=71.96

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Question 696338: Please I need help solving an algebra: solving proportions
CHARITY Karthik spent $35 of his allowance and gave $5 to a charity. If the number of dollars he spends is proportional to the number of dollars he gives to charitt, how much of much of a $100-allowance will he give to a charity?
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Answer by stanbon(74715) About Me (Show Source):
You can put this solution on YOUR website!
Karthik spent $35 of his allowance and gave $5 to a charity. If the number of dollars he spends is proportional to the number of dollars he gives to charitt, how much of a $100-allowance will he give to a charity?
-----
x/100 = 5/35
----
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4 years ago
Which equation is the inverse of y = x2 – 36?
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Answer:

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Step-by-step explanation:

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4 years ago
A garden table and a bench cost $600 combined. The cost of the garden table is three times the cost of the bench. What is the co
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This is how I'd solve it:

bench = x           x+3x=600 
table = 3x               4x=600
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The bench costs <u>$150</u> and the table costs <u>$450</u>; combined, they cost $600, so it's correct. I hope this helps you!
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Step-by-step explanation:

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