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Ronch [10]
3 years ago
6

I NEED HELP WITH THIS QUESTION PLEASEEEE BRAINLIEST AND 30 POINTS

Mathematics
1 answer:
Roman55 [17]3 years ago
4 0

Answer:

the answer is C) 4

Step-by-step explanation:

you need use the ecuation to calculate the volume of a cylinder

v=PI*R^2*L

WHERE

V = is volume

R= is radius

L= altitude

Solve the formula and that's it.

I attached procedure

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The height of a small rise in a roller coaster track is modeled by () = −. + . + . , where x is the distance in feet from a supp
Reika [66]

Answer:

Maximum height is 7 feet

Step-by-step explanation:

Solution:-

- The complete question is as follows:

" The height of a small rise in a roller coaster track is modeled by f(x) = –0.07x^2 + 0.42x + 6.37, where x is the distance in feet from a supported at ground level.

Find the greatest height of the rise "

- To find any turning points ( minimum or maximum ) points of a trajectory expressed as function of independent parameter, we find the critical points of the trajectory where the first derivative of the dependent variable w.rt independent variable is set to zero.

- In our case the height of the roller coaster track (y) is function of the distance (x) from a supported pole at ground level.

                    f(x) = –0.07x^2 + 0.42x + 6.37

- Now set the first derivative equal to zero, and determine the critical values of x:

                    0 =  -0.14x + 0.42

                    x = 0.42 / 0.14 = 3 ft

- The critical value for the coaster track is at point 3 feet away from the supported pole at ground level. So the height f(x) at x = 3 ft, would be:

                    f ( x = 3 ) = max height

                    max height =  –0.07*3^2 + 0.42*3 + 6.37

                                        = 7 ft

5 0
3 years ago
What is the value of x?<br> 50°<br> 100<br> А. 50°<br> Ов. 150°<br> Ос. 100°<br> Op. 30°
never [62]

Answer:

The answer is 30

Step-by-step explanation:

BC the inside of a triangle equals 180

5 0
3 years ago
Read 2 more answers
How I can answer this question, NO LINKS, if you answer correctly I will give u brainliest!
Marat540 [252]
You can use proportion to solve this

She needs 2 graham crackers ( and other ingredients) to make 1 cookie

Crackers Cookie
2 1
20 X

Cross multiply

x=20*1/2

X= 10







7 0
2 years ago
Read 2 more answers
What is the number of terms in this expression?
il63 [147K]
M/5+24 brainliest me pls
3 0
3 years ago
63 is what percent of 84
irga5000 [103]

Answer:

75%

Step-by-step explanation:

To get the answer, just divide 63 by 84. 63/84 = 3/4 = 75%

4 0
3 years ago
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