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kobusy [5.1K]
2 years ago
8

How do I do this problem ?

Mathematics
2 answers:
NeTakaya2 years ago
8 0
5÷3=1.66
1.66×8=13.28, round to 13.3
KATRIN_1 [288]2 years ago
6 0
The correct answer would be letter B because you would cross multiply 3 and y to get 3y then you would cross multiply 5 and 8 to get 40 so then the problem would be 40 over 3y which 40 divided by 3 is 13.33333 etc. so y=13.3 or letter B

hope this helps

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gulaghasi [49]

Answer:

A dress originally costs $120

Step-by-step explanation:

To find the original cost of the dress, we will follow the steps below;

let x represent the original cost of the dress

75% of x  = $90

\frac{75}{100}  ×    x   = $90

\frac{75X}{100}  =   $90

MULTIPLY both-side of the equation by 100

\frac{75X}{100} × 100 =   $90×100

At the right-hand side of the equation, 100 will cancel out 100, leaving us with just 75x

75x = $9000

DIVIDE both-side of the equation by 75

75x/75 = $9000/75

At the left-hand side of the equation 75 will cancel-out 75 leaving us with just x

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3 0
3 years ago
Find the circumference of a circle with an area of 676pi
saveliy_v [14]

Answer:

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Step-by-step explanation:

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r = radius

a = π * r²

we clear r

r = √(a/π)

now we replace the known values

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now we use the formula to calculate the circumference of a circle

c = π * 2r

c = π * 2 *  26

c = 52π

The circumference of the circle is 52π

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Step-by-step explanation:

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sladkih [1.3K]

Answer:

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8 0
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