2 years ago

Question 5/Multiple Choice Worth 4 points)

Mathematics

1 answer:

Nonamiya [84]2 years ago

7 0

Answer:

690

Step-by-step explanation:

12 boxes, each of them have 36 so you multiply 12 by 36. There's another 258 cookies so you add those on as well and you should get 690.

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A college student earned $246, $288, $234, and $276 over a four-week period. how much must he earn during the fifth week to have

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Total=255*5=1275
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=231

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4 years ago

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3 substracted from 9 times 2 and 5 is added

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Answer:

Step-by-step explanation:

It is because 9x2=18

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2 years ago

2x^4 -x^2 -15 = 0<br><br> Use the FOIL method.

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3 years ago

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Is this question
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3 years ago

A 95% confidence interval for a population mean, μ, is given as (18.985, 21.015). This confidence interval is based on a simple

creativ13 [48]

Answer:

standard deviation of the sample = s = 3.04

Step-by-step explanation:

given,

μ, is given as (18.985, 21.015)

sample mean = $\dfrac{(18.958+21.015)}{2}$

=19.9865

margin of error = 19.9865 - 18.958 =1.0285

The degree of freedom = n -1 = 36 - 1 = 35

a = 0.05, t(0.025, df = 35) = 2.03 (from student t table)

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= $s = \dfrac{1.0285\times 6}{2.03}$

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standard deviation of the sample = s = 3.04

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3 years ago