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NikAS [45]
3 years ago
8

The function h(t)=-16t^2+75t+80 models the height in feet, h, of a ball as it is thrown into the

Mathematics
1 answer:
sukhopar [10]3 years ago
6 0

Answer:

t = 4\\

or

t=0.6875

Step-by-step explanation:

124 = -16t^2+75t+80\\-16t^2+75t-44=0

Solving for t using the quadratic formula we get:

t = 4\\

or

t=0.6875

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Does anybody know the answer??
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i think the answer is c

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92, 63, 22, 80, 63, 71, 44, 35 <br> Mean:? Median:? Mode:? Range:?
Nutka1998 [239]

Answer:

92

−

22

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The third side is described in relation to one of the
Ann [662]

<u>Complete Question: </u>

An isosceles triangle has two sides of equal length. The third side is 5 less than twice the length of one of the other sides. If the perimeter of the triangle is 23 cm, what is the length of the third side The third side is described in relation to one of the equal sides, so let x = the length of one of the equal sides. Which equation models the problem?

O x + x + (5 – 2 x) = 23

O x + x + (2 x – 5) = 23

O x + x + (2 x + 5) = 23

O X + (2 x - 5) + (2 x - 5) = 23

<u>Answer: </u>

The equation models the problem is x + x + (2 x – 5) = 23

<u>Step-by-step explanation:</u>

Given:

An isosceles triangle has two sides of equal length, so let x = the length of one of the equal sides .

The third side is 5 less than twice the length of one of the other sides. So, the third side is described as 2 x - 5.

The perimeter is the sum of the side lengths and given it as 23. Therefore, form the equation as below,

                Perimeter = x + x + (2 x-5)

Given perimeter of triangle = 23 cm. Hence,

                x + x + (2 x-5) = 23

The above equation models the given problem.

8 0
4 years ago
Please help me!!! I suck at math :((
stiks02 [169]

If we know that line AB is equal to line AD, then this means that ∠ADB has to be equal to ∠ABD in order to form a closed triangle. All angle measures of a triangle add up to 180°, so use the equation: 2(35) + x = 180.

70 + x = 180

Subtract 70 from both sides to isolate x:

180 - 70 = 110

110 = x

Hope this helped.

7 0
4 years ago
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