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Lynna [10]
3 years ago
9

Use 3.14 for pie :) please

Mathematics
1 answer:
Igoryamba3 years ago
4 0

Answer:

12308.8 cm^3

Step-by-step explanation:

First we need to fill in the variables for the formula

V=pi*r^2*h

V = 3.14*14^2*20

Now solve. Keep in mind the order of operations. I have rewritten the equation with parenthesis to make it easier

V = 3.14*(14^2)*20

After solving, you should get 12308.8. Since these measurements were in centimeters, we need to add <em>cm</em> to the end. Also since this is in 3D we need to add ^3

12308.8 cm^3

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Which graph represents the function f(x)=4⋅3x ?<br> Please help!!!
S_A_V [24]

Answer:

Option D is correct.

Step-by-step explanation:

An exponential function is in the form of y =ab^x where a is the initial value and b≠ 0 , b >1 .

Given: The function f(x) = y = 4 \cdot 3^x           ......[1]

The domain is all real numbers and the range is y > 0.

y-intercept defined as the graph crosses the y-axis.

Substitute the value of x= 0 in [1] to solve for y;

y = 4 \cdot 3^0  = 4

y-intercept = (0, 4)

End behavior:

when b =3 >1

then;

as x \rightarrow \infty , f(x)\rightarrow \infty

as  x \rightarrow -\infty , f(x)\rightarrow 0

therefore, the only graph which represents the function y = 4 \cdot 3^x   is Option D



6 0
3 years ago
If x represents a number, then write an expression for three times the sum of x and 10
Amanda [17]
The expression would be (x+10)3 or 3(x+10)
4 0
3 years ago
(-7) + b = (-11) PLEASE HELP
Alex
B=-4 because the7 turns positive then you add -11+7 which is -4
6 0
3 years ago
A book drive recorded its daily results on a graph. The first five days are represented as points (1,8), (2,13), (3,13), (4,15),
Svetllana [295]
<span>The input of days results in the output of total collected books. On day 1, 8 books were collected. Both inputs for days 2 and 3 have the same output of 13, meaning that no books were collected for day 3. After 5 days, 21 books were collected. The most books were collected on day 5.</span>
8 0
3 years ago
Read 2 more answers
A^-5b^-4/a^-13b^8 a. a^8 b^12 b. ab^5 c. a^8/b^12 d.b^-9/b^-5
lord [1]
If you would like to solve a^(-5)b^(-4) / a^(-13)b^8,  you can do this using the following steps:

a^(-5)b^(-4) / a^(-13)b^8 = a^13 / a^5b^4b^8 = a^8 / b^12

The correct result would be c. a^8 / b^12.
5 0
3 years ago
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