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Liono4ka [1.6K]
2 years ago
5

The quadratic function h(t) = -16.1t^2+ 150 models a ball's height, in feet, over time, in seconds,

Mathematics
2 answers:
Tasya [4]2 years ago
7 0

Answer:

yes 13.26

Step-by-step explanation:

Fudgin [204]2 years ago
7 0

It is 150 ft and for the 2nd question its 3.05.

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ASAP please help!!!
Serggg [28]
Y+4<u><</u>9
subtract 4
y<u><</u>5
y is smaller than and equal to 5
so you shade from 5 to the negative end to infinity (to the left) and shade the 5 to show that it is included (attachment says A)







6 less than (-6) 2 times a number (2 time x) is greater than (>) 8 (8)

-6+2x>8
add 6
2x>14
divide 2
x>7
so
x is bigger than 7
shade from 7 to the positive end to infinity (to the right) and don't shade 7 but put a circle around it to show that it is not included (attachment says B )

I have included pictures of the number lines

4 0
3 years ago
What is the answer cos75 degrees=10/x
vova2212 [387]
To find the answer we simply work out the equation.
cos (75) = 10/x

cos (75) * x = 10. Here, I simply multiplied both sides by x to move x to the left hand side of the equation.

x = 10 / cos (75) Here, I divided cos (75) on both sides to move cos (75) to the right hand side of the equation.

The cosine of 75 is 0.92175127, so, 10 / 0.92175127 = 10.8489137
4 0
3 years ago
Which is an example of a linear equation?
kobusy [5.1K]

Answer:

Step-by-step explanation:

A. (x, y)  is not an equation.

B. 2 + 7 = 9  Not a linear equation, as there is no variable.

C. 3x + 5 = 20  This is a linear equation.

D. y = 2x + 1  This is a linear equation.

5 0
3 years ago
7 divided by what equals 28?
Rashid [163]
You mean 28 divided by 7 bc thats 4 and for the other thing that is not the correct thing and it could never be true soooo.
7 0
2 years ago
Read 2 more answers
Please write:
liubo4ka [24]

Answer:

1. No vertical compression or stretching but will open up downward.

2. 1/4 vertical stretch

3. 4 vertical compression

Step-by-step explanation:

Any time your dealing with vertical stretching or compression it will always be the number before the parentheses.

So in 1. it is - or basically -1 which means the parabola will be open up downward. And in this problem there is no stretching or compression

2. Is the 1/4 is a vertical stretch

3. 4 is a vertical compression.

Or what also could help is when the number before the parentheses is bigger such as number 4 the closer together the parabola will be. And the smaller the number like 1/4 the wider the parabola will be.

8 0
3 years ago
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