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Chapter 9: Q. 428 (page 1108)
In the following exercises, solve.
The solution is
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Sergio wants to make a square mosaic as an inlay for a table he is building. He has enough tile to cover an area of square centimeters. Use the formula to find the length of each side of his mosaic. Round your answer to the nearest tenth of a centimeter.
Accident investigation: The skid marks for a car involved in an accident measured 216 feet. Use the formula to find the speed of the car before the brakes were applied. Round your answer to the nearest tenth.
In the following exercises, solve. Round approximations to one decimal place.
Landscaping Vince wants to
make a square patio in his yard.
He has enough concrete to pave
an area of 130 square feet. Use the
formula to find the length
of each side of his patio. Round
your answer to the nearest tenth of a foot.
Try It.
Solve:
In the following exercises, simplify and rationalize the denominator.
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