3 years ago

At 1.25 per square foot what is the cost of cleaning a rug with Demensions 9 feet 3 inches by 6 feet 9 inches

1 answer:

4 0

The surface area is about 62.43750, or approximately 62.4 square feet. 1.25 times 62.4, the total cost is $78 to clean the rug.

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Drag steps in the given order to evaluate this expression. −2(−4+2)−4

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Step-by-step explanation:

-2(-2)-4

=4-4

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3 years ago

In her calculations, Rosita will be using the square root of 2 often. She wants to use as few digits as possible, but at the sam

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Testing the multiplication for each case, it is found that she should round the square root of 2 to three decimal digits.

<h3>What is the square root of 2?</h3>

The square root of 2 is given by:

$\sqrt{2} = 1.41421356237$

With one decimal digit, the result of the multiplication is:

$5 \times \sqrt{2} = 5 \times 1.4 = 7 < 7.05$

With two decimal digits, the result of the multiplication is:

$5 \times \sqrt{2} = 5 \times 1.41 = 7.05 = 7.05$

With three decimal digits, the result of the multiplication is:

$5 \times \sqrt{2} = 5 \times 1.414 = 7.07 > 7.05$

Hence, she should round the square root of 2 to three decimal digits.

You can learn more about rounding at brainly.com/question/17248958

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