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baherus [9]
3 years ago
11

The answer to all of these problems

Mathematics
1 answer:
-BARSIC- [3]3 years ago
4 0
1) area of a cicular pool
area of a circle=πr^2   d=2.5 then r=2.5/2
A=3.14 *(2.5/2)^2
A=4.906m^2 A=4.9m^2

2) arae of a coin 
<span>(if i read it right d=15mm?)
</span>A=πr^2   d=15 then r=15/2
A=3.14*(15/2)^2 =176.6mm^2


Rest all are same problems u try to solve it
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A mixture of chlorine and water contains a total of 60 gallons. There are 30 gallons of pure Chlorine in the mixture. (I) what p
ser-zykov [4K]

60 gallons of the whole thing, chlorine and water mixed.


one may note that 30 is half of 60, namely 50% of 60.


if there are 30 gallons of chlorine, 60 - 30, the leftover is 30 gallons, and that must be water.


so 50% is chlorine, and the other 50% is water.

5 0
3 years ago
Twice c is at least 19
Sliva [168]
<h3><u>The value of c is greater than or equal to the value 9.5</u></h3>

2c ≥ 19

We can treat this inequality like a standard algebraic equation.

<em><u>Divide both sides by 2.</u></em>

c ≥ 9.5

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3 years ago
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3 years ago
I need help with a math question but apparently everyone is dead today..
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Each week, you drive 150 miles. Your car gets 25 miles to the gallon, and gas prices are $3 per gallon. How much gas money will
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6 0
3 years ago
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