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Andre45 [30]
3 years ago
7

What is the volume of a cylinder, in cubic centimeters, with a height of 2 centimeters

Mathematics
1 answer:
harina [27]3 years ago
7 0

Answer:

<h2>         V ≈ 628.3 cm³</h2>

Step-by-step explanation:

Volume of cylinder:  V = π×r² × h

diameter = 20 cm  ⇒  r = 10 cm

h = 2 cm

Volume:

V = π×(10)²×2 = 200π cm³ = 628.318.... cm³ ≈ 628.3 cm³

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The alphabet game costs $.25 to play. Before the game, 26 slips of paper with a different letter of the alphabet on it are put i
julsineya [31]

Answer: 25/676

Step-by-step explanation:

Number of possible outcomes = 26

In other to win, one must draw must be either (A, E, I, O or U)

Therefore required drws to win = 5

First draw:

P(win) = Total required outcome / Total possible outcome

P(win) = 5/26

Second draw:

P(win) = Total required outcome / Total possible outcome

P(win) = 5/26

Therefore,

P(winning twice) = (5/26) × (5/26) = 25/676

8 0
3 years ago
What are the discontinuity and zero of the function f(x) = quantity x squared plus 6 x plus 8 end quantity over quantity x plus
Tcecarenko [31]

Answer:

Discontinuity at (-4,-2), zero at (-2,0).

Step-by-step explanation:

We are given that a function

f(x)=\frac{x^2+6x+8}{x+4}

We have to find the discontinuity and zero of the given function.

Discontinuity: It is that point where the function is not defined.

It makes the function infinite.

f(x)=\frac{x^2+4x+2x+8}{x+4}

f(x)=\frac{(x+4)(x+2)}{x+4}

When x=-4 then

f(-4)=\frac{0}{0} It is indeterminate form

Function is not defined

After cancel out x+4 in numerator and denominator  then we get

f(x)=x+2

Substitute x=-4

f(-4)=-4+2=-2

Therefore, the point of discontinuity is (-4,-2).

Zero: The zero of the function is that number when substitute it in the given function then the function becomes zero.

When substitute x=-2

Then , f(0)=-2+2=0

The function is zero at (-2,0).

Hence, option C is true.

6 0
3 years ago
Hi! Got a question.
Ghella [55]

Answer:

1600cm³

Step-by-step explanation:

Volume of a cylinder = πr²h

area of a circle = πr²

area of base circle = 200cm²

h = 8

200 * 8

= 1600cm³

6 0
3 years ago
Read 2 more answers
Answer for x.<br><br> 1. 3x - 10 = -21<br><br> 2. -22 - 4x = 12
ra1l [238]

Answer:

3x - 10 = -21

add 10 on both side

3x-10+10=-21+10

3x=-11

divide both side by 3

3x/3=-11/3

x=-11/3

Step-by-step explanation:

2. -22 - 4x = 12

add 22 on both side

-22+22-4x=12+22

-4x=36

divide both side by -4

-4x/-4=36/-4

c=-9 is your answer

4 0
3 years ago
What is the percent of 3.16 to 3.70
kicyunya [14]

Answer:

85.4054%

Step-by-step explanation:

3.16/3.7 × 100

Divide.

0.854054 × 100

Multiply.

= 85.4054

5 0
3 years ago
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