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Rasek [7]
3 years ago
9

A ball is thrown upward from the top of a building. The function below shows the height of the ball in a relation to sea level,

f(t), in feet, at different times, T, in seconds:
f(t) = - 16t^2 + 48t + 160
The average rate of change of f(t) from t = 3 seconds to t = 5 seconds is ___ feet per second
Mathematics
2 answers:
katrin [286]3 years ago
6 0

Answer:

Step-by-step explanation:

asd

yulyashka [42]3 years ago
6 0

Answer:

-80

Step-by-step explanation:

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Can someone help with this question
Zielflug [23.3K]

Answer:

<1= 60

<2=120

<3=60

<4=60

<5=120

<6=120

<7=60

Step-by-step explanation:

6 0
2 years ago
An open-top rectangular box with square base is to be made from 100 square feet of material, as shown.
-Dominant- [34]

The largest possible volume of the given box is; 96.28 ft³

<h3>How to maximize volume of a box?</h3>

Let b be the length and the width of the base (length and width are the same since the base is square).

Let h be the height of the box.

The surface area of the box is;

S = b² + 4bh

We are given S = 100 ft². Thus;

b² + 4bh = 100

h = (100 - b²)/4b

Volume of the box in terms of b will be;

V(b) = b²h = b² * (100 - b²)/4b

V(b) = 25b - b³/4

The volume is maximum when dV/db = 0. Thus;

dV/db = 25 - 3b²/4

25 - 3b²/4 = 0

√(100/3) = b

b = 5.77 ft

Thus;

h = (100 - (√(100/3)²)/4(5.77)

h = 2.8885 ft

Thus;

Largest volume = [√(100/3)]² * 2.8885

Largest Volume = 96.28 ft³

Read more about Maximizing Volume at; brainly.com/question/1869299

#SPJ1

4 0
1 year ago
The volume of a sphere is 113.04 cubic feet. Find the radius. Use 3.14 for pi.
avanturin [10]
Volume is 4/3(3.14)(r)^2
the radius is 5.2 ft
4 0
2 years ago
Write an expression for the calculation 2/3 times the sum of 2/8 and 4/8
zubka84 [21]
2/3(2/8 + 4/8) = 2/3(1/4 + 1/2)
2/3(3/4) = 1/2
5 0
3 years ago
What is the volume of a cylinder with a height of 2 feet in a radius of 6 feet use 3.14 for pie
Zepler [3.9K]

Answer:226.08 cubic feet

Step-by-step explanation:

π=3.14

Radius(r)=6feet

Height(h)=2feet

volume=π x r^2 x h

Volume=3.14 x 6^2 x 2

Volume=3.14 x 6 x 6 x 2

Volume=226.08

5 0
3 years ago
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