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natulia [17]
3 years ago
6

Pls help!! due at 8:15 !! find the area and perimeter

Mathematics
1 answer:
Akimi4 [234]3 years ago
5 0

Answer:

Perimeter = 14.25

Area = 7.03?

Step-by-step explanation:

For the perimeter you add up all of the sides and for the area it should be 1/2 bh but i'm not entirely sure what the base is on this triangle

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Answer:

As per the statement:

The path that the object takes as it falls to the ground can be modeled by:

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where

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When the objects hit the ground, h = 0

then;

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For a quadratic equation: ax^2+bx+c=0         ......[1]

the solution for the equation is given by:

x = \frac{-b\pm \sqrt{b^2-4ac}}{2a}

On comparing the given equation with [1] we have;  

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then;

t= \frac{-80\pm \sqrt{(80)^2-4(-16)(300)}}{2(-16)}

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Simplify:

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Time can't be in negative;

therefore, the time it took the object to hit the ground is 7.5 sec

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