2 years ago

Helppppp!!!!!!!!!!!! Which of the following number sentences models the Associative Property of Multiplication?

Mathematics

2 answers:

grigory [225]2 years ago

8 0

Answer:

Step-by-step explanation:

because I learned this like 4 years ago

Jlenok [28]2 years ago

3 0

Answer:

Ahh I think A

Step-by-step explanation:

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frutty [35]

The answer is 26

Explanation:
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Step-by-step explanation:

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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 :

$H_1:\mu$

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Sample standard deviation = 4.3 hours

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So, test statistic would be

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

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Hence, the p-value is 0.154.

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3 years ago

Solve for p. 2(p + 3) = 20

guapka [62]

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Step-by-step explanation:

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2 years ago

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It costs $198.00 to buy beef to make 300 meatballs. What will the cost be<br> to make 120 meatballs?

Vika [28.1K]

Answer:$181.81

Step-by-step explanation:300/198

=1.5151515….multiple by 120

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3 years ago