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Ilia_Sergeevich [38]
3 years ago
9

carlos joins a dvd club .The membership costs $49 per year.Each dvd costs $4 .Suppose carlos buys 28 dvd this year.How much mone

y will he pay on the dvd club
Mathematics
2 answers:
slavikrds [6]3 years ago
8 0

its 161 I got it right 28x4=112112+49=161 161

vichka [17]3 years ago
7 0
28x4=112
112+49=161
Carlos will spend a total of $161 this year
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HOW TO SOLVE:

1) use x as a variable
2) the starting equation is:
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3) add all the like terms on the left side of the equation:
          12x = 18

4) Divide by 12 on both sides:
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5) Find the lengths of the sides:

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        - 3x = 3(1.5) =  4.5

       - 5x = 5(1.5) = 7.5

SO, the lengths of the sides of this triangle are: 6, 4.5, and 7.5
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Answer:

The statistic for this system of hypothesis is given by:

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If the statistic is equal to 1 then that means s^2_1 = s^2_2 and we don't have enough evidence to conclude that the two population variances and deviations are different.

Step-by-step explanation:

System of hypothesis

We want to test if the variation for a group1 is equal to another one 2, so the system of hypothesis are:

H0: \sigma^2_1 = \sigma^2_2

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Step-by-step explanation:

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Answer:

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