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3 years ago

Karen raked 3/5 of the yard he yard. Minute raked 1/3 of the amount Karen raked. How much of the yard did Minnie rake

Mathematics

1 answer:

disa [49]3 years ago

3 0

(3/5)(1/3)=1/5 of the yard

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55. f(x) = x + 2; (1, -3)

Tems11 [23]

Answer:

F(x) = 3

Step-by-step explanation:

Just substitute x with 1 and you add it with 2 and your answer is three

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3 years ago

39=1 3/10b what will be the answer show work

Lubov Fominskaja [6]

1 3/10·b=39
(1·10+3)·b/10=39
13b/10=39
13b=39·10
13b=390|:13
b=30

Answer: 30

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3 years ago

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3 years ago

Someone please help me with this! |-2-8x|-5<61

Mrac [35]

For
|a|x>-8.5
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3 years ago

Dean Halverson recently read that full-time college students study 20 hours each week. She decides to do a study at her universi

romanna [79]

Answer: The p-value is 0.154.

Step-by-step explanation:

Since we have given that

We claim that

Null hypothesis :

$H_0:\mu=20$

Alternate hypothesis :

$H_1:\mu$

Population mean = 20 hours

Sample mean = 18.5 hours

Sample standard deviation = 4.3 hours

Sample size n = 35

So, test statistic would be

$z=\dfrac{\bar{X}-\mu}{\dfrac{\sigma}{\sqrt{n}}}\\\\z=\dfrac{18.5-20}{\dfrac{4.3}{\sqrt{35}}}\\\\z=\dfrac{-1.5}{0.726}\\\\z=-2.066$

So, the p value would be 0.154.

Hence, the p-value is 0.154.

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3 years ago