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Mathematics, 31.10.2019 01:31 tackmancalynn

1. the height of a triangle is 6 m more than its base. the area of the triangle is 56 m². what is the length of the base? enter your answer in the box.

2. holly has a rectangular garden that measures 12 m wide by 14 m long. she wants to increase the area to 255 m² by increasing the width and length by the same amount.
what will be the length (longer dimension) of the new garden?
enter your answer in the box.

3. in the diagram, the radius of the outer circle is 2x cm and the radius of the inside circle is 6 cm. the area of the shaded region is 160π cm2.
what is the value of x?
enter your answer in the box.

4. britney throws an object straight up into the air with an initial velocity of 27 ft/s from a platform that is 10 ft above the ground.
use the formula h(t)=−16t2+v0t+h0 , where v0 is the initial velocity and h0 is the initial height.
how long will it take for the object to hit the ground?

1 s

2 s

3 s

4 s

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Answers: 1

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1. the height of a triangle is 6 m more than its base. the area of the triangle is 56 m². what is th...

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