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klasskru [66]
3 years ago
14

Please help and be fast! WILL GIVE BRAINLIEST!

Mathematics
1 answer:
Mrac [35]3 years ago
6 0
Yeah it’s a bunch of points across the chart
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A ball is dropped from a 75 foot tall tower, and the height of the ball (in feet) can be represented by the equation h = —16t^2
damaskus [11]

Answer:

The ball will take approximately 2.165 seconds.

Step-by-step explanation:

The height of the ball is represented by the function h(t) = -16\cdot t^{2}+75, the time taken by the ball to hit the ground is a value of t such that h(t) = 0, we proceed to solve the following equation for t:

-16\cdot t^{2}+75 = 0 (1)

16\cdot t^{2} = 75

t = \sqrt{\frac{75}{16} }

t \approx 2.165\,s

The ball will take approximately 2.165 seconds.

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3 years ago
What does 9x+9+3(x+4)+5 equal in simplified form
dlinn [17]

Answer:

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Step-by-step explanation:

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3 years ago
Can you help me with this please (finals)
MaRussiya [10]

Answer:

around 90 cm because that measure is equal to 180 you divide into 2 so the answer is 90

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A toy store purchases Jedi lightsabers from the manufacturer for $18. The manager decides to mark up the price by of the origina
TEA [102]

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hehe

Step-by-step explanation:

4 0
3 years ago
2x + 2 y = -2<br> 3x - 2y = 12
Serggg [28]

Answer:

x=2 and y=-6 aka. (2,-6) which is the point of intersection

Step-by-step explanation:

Use elimination to cancel out y by adding the equations:

5x=10

x=2

Plug x=2 into one of the equations and find y:

2(5)+2y=-2

10+2y=-2

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Therefore, x=2 and y=-6

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