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GuDViN [60]
3 years ago
12

Turn 2 x 10° to standard form

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
4 0

Answer:

It already is in standard form

Step-by-step explanation:

the answer to that equation is 2 which means it's between 1 and 10. therefore it's already in standard form or "scientific notation"

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Start at 158. Create a pattern that adds 8. Stop when you have 5 numbers
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20a-30b<br><br>can I know the answer (*_*)​
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Answer:

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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 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.

4 0
3 years ago
Stephen kicked a ball inside. The equation that represents the height h in feet of the ball after being kicked and elapsed amoun
kodGreya [7K]

Answer:

The maximum height of the ball is: 14.0625ft

Step-by-step explanation:

The missing information is:

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Required

The maximum height the ball attained

First, we calculate the time to reach the maximum height.

For a function: h(t) = at^2 + bt + c

The maximum is: t = \frac{-b}{2a}

So, the maximum of h(t) = 30t - 16t^2 is:

t = \frac{-b}{2a}

Where

a = -16; b = 30

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t = -\frac{30}{2*-16}

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The maximum height is then calculated as:

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8 0
3 years ago
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