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Archy [21]
3 years ago
5

Solve each system of equations by using elimination.

Mathematics
1 answer:
Wewaii [24]3 years ago
5 0
What grade are you in
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Find the radius of a circle whose circumference is 31.4 centimeters. Approximate Π as 3.14.
AnnyKZ [126]
Circumference is Diameter * 3.14

so D * 3.14 = 31.4

31.4 / 3.14 = 10 so the diameter is 10.

the radius is half of the diameter so radius = 5 centimeters.
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Find two postive numbers such that the ratio of the two numbers is 5 to 3 and the product of the two numbers is 540.
svet-max [94.6K]

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337.5 and also 202.5

Step-by-step explanation:

do 8x = 540 since 5 and 3 are in a ratio... so you get 5x plus 3x. Then you solve for x and get 67.5..67.5 times 3 is 202.5 and 67.5 times 5 is 337.5.

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X = y - 3
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The answer to this is B.
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