3 years ago

What's the mixed number for the square root 39?

Mathematics

1 answer:

avanturin [10]3 years ago

8 0

Sqrt39 = sqrt(3*13) = sqrt3 *sqrt13

hope helped

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Karolina [17]

Answer:

$0.38 per yard

Step-by-step explanation:

Step 1:

Given; A 9-yard roll of string that costs $3.42.

Required; To find the unit price

Step 2:

Convert $3.42 to cents

$1 ~dollar=100~cents ~\\therefore,\\$3.42=3.42~x~100=342~cents~$

Step 3:

Find the unit price

$\frac{9 yard}{1 yard} =\frac{342 ~cents}{x~cents}$

$9x=342$

$\frac{9x}{9} =\frac{342}{9}$

$x=38~cents$

Convert to dollars

$x=\frac{38}{100}$

$x=0.38~per~yard$

Hence the unit price is $0.38 per yard.

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Zigmanuir [339]

Answer:

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Step-by-step explanation:

$12x^2+28x\\12xx+28x\\\\4\cdot \:3xx+4\cdot \:7x\\4x\left(3x+7\right)$

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What does the A equal to in a + (-7) = 3

Korolek [52]

A = 10

Step by step

3+7=10
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