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3 years ago

7

During the first 6 weeks of the sports season, the cougars had won 4 games and lost 2 games. At this rate, how many games will t

hey win out of 24

1 answer:

serg [7]3 years ago

3 0

Answer: 16

Step-by-step explanation:

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What expressions are equivalent to (-7c+8d)0.6

Gwar [14]

The new expression is 4.8d - 4.2c

<u>Explanation:</u>

<u />

Given:

Expression = (-7c + 8d) 0.6

On multiplication we get:

-4.2c + 4.8d

Therefore, the new expression is 4.8d - 4.2c

4 0

3 years ago

Evaluate the expression if r = 12 and t = -6.<br> (t-r)/3

Lynna [10]

Answer:

-6

Step-by-step explanation:

$\frac{(t-r)}{3}$

input the numbers

$\frac{(-6-12)}{3}$

do the problem in the parentheses first

-6-12 = -18

now it becomes

$-\frac{18}{3}$

simplify and you'll get

-6

this is because -18 ÷ 3 =

-6

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3 years ago

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2% as a decimal help

Free_Kalibri [48]

the answer i got is 0.02

7 0

3 years ago

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A stick is 9 m long. A rope is 2 times as long as the stick. If the rope is divided into 3 pieces, how many meters long is each

givi [52]

The length of rope(consist of 3 pieces)=9*2=18m
One piece=18/3=6m
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3 years ago

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QUESTION 3 of 10: Stock returns vary from year to year. The more variance a stock displays the greater the potential risk. These

Dahasolnce [82]

Answer:

The variance of these investment returns is 74

Step-by-step explanation:

Given:

Series = 10, 30, 15, 5, 20

To Find:

variance of a series = ?

Solution:

The variance of the series = $Var\left(X\right)=\sum _{i=1}^n\frac{\left(x_i-\bar{x}\right)^2}{n}$

$\bar{x} = \frac{10+30 +5+15 + 20}{5}$

$\bar{x} = \frac{80}{5}$

$\bar{x} =16$

Now $(x_i -\bar{x})^2 =$ $(10 -16)^2 + (30 -16)^2 + (5 -16)^2 +(15 -16)^2 +(20 -16)^2$

= $(-6)^2 + (14)^2 + (-11)^2 + (-1)^2+ (-4)^2$

= 36 + 196 +121 + 1+ 16

= 370

Now

$Var\left(X\right)=\frac{370}{5}$ = 74

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3 years ago

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