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Mathematics

2 answers:

exis [7]3 years ago

7 0

9514 1404 393

Answer:

B) Use the slope formula to prove the slopes of the diagonals are opposite reciprocals.

Step-by-step explanation:

A distance formula is used to find the length of a line segment. Knowing diagonal lengths cannot tell you they are perpendicular, eliminating choices C and D.

Diagonals of a quadrilateral are never parallel, so choice A makes no sense.

The slopes of the diagonals of a quadrilateral will be opposite reciprocals if the diagonals are perpendicular. The slope formula can be used to show that is the case. Choice B is the appropriate answer.

irinina [24]3 years ago

4 0

Answer:

The answer is B.

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The polynomial - 16t+ vt +s, represents the height (in feet) of an object, where v is the

Anna007 [38]

Answer:

At 1.5 seconds and 2.5 seconds

Step-by-step explanation:

Because this is parabolic motion, the object will reach the height of 68 feet when it's going up AND when it's coming down. In order to find out those times, you set the h on the left side of the equation equal to 68, because h stands for height.

Set that equal to 0 and factor to solve for t:

Using the quadratic formula, we get t = 1.5 and t = 2.5

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3 years ago

Which number is least 145. 155 or 144.809

GREYUIT [131]

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3 years ago

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HELP PLZZZ<br> im in confusion

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