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nikitadnepr [17]
3 years ago
5

Quiz 2: percent and percentage

Mathematics
1 answer:
prohojiy [21]3 years ago
8 0

Answer:

Answer: 19.2

Step-by-step explanation:

To calculate percentage, multiply the number 80 by 0.24, and the answer is 19.2.

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C -20 -15 -5

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Step-by-step explanation:

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I SUCK AT MATH PLEASE HELP
sergeinik [125]

Answer:

1. -1/28

2. -4

3.A) The attendance increased by an average of 25 people per game from game 2 to game 5.

4. -.125

Step-by-step explanation:

To find the rate of change, we use the formula

f(x2) - f(x1)

--------------

x2-x1

1.  

f(x) = -(x) ^ 1/3

f(64) = -(64) ^ 1/3 = -4

f(8) =- (8)^1/3 = -2

f(64) - f(8)     -4--2             -4+2             -2            -1

-------------- = ---------     =  ------------- = ----------- =  ------

64 - 8              56               56              56            28

2.  

f(2) = 9

f(-2) = 25

f(x2) - f(x1)   f(2) - f(-2)      9-25              -16            -16

-------------- =----------- = ----------------- = ---------- = ----------- = -4

x2-x1             2--2                2+2              4            4

3.

f(5) = 755

f(2) = 680

f(x2) - f(x1)    f(5) - f(2)     755-680      75

-------------- = ----------   = -------------- = ---------- = 25

x2-x1              5-2                  3             3

A) The attendance increased by an average of 25 people per game from game 2 to game 5.

4.  

f(-1)  = -.25

f(1) = -.5

f(x2) - f(x1)    f(1) - f(-1)     -.5 --.25       -.5+.25     -.25

-------------- = ----------   = -------------- = ---------- = --------- = -.125

x2-x1              1--1                 1+1             2             2

6 0
3 years ago
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A fair dice is rolled 6 times. What is the probability of having no 2 and no 3 among the rolls? Round your answer to three decim
Ede4ka [16]

Answer:

64/729

or 0.088 to 3 decimal places.

Step-by-step explanation:

The probability of no 2 and no 3 on one throw of the dices = 4/6 = 2/3.

For 6 rolls we multiply this 6 times because each throw is independent.

The answer is (2/3)^6

=  64/729

or 0.088 to 3 decimal places.

4 0
3 years ago
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