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Zanzabum
3 years ago
15

Asap help please ill mark brainlist

Mathematics
2 answers:
ZanzabumX [31]3 years ago
8 0

Answer:

inside the room sat a small bulldog puppy with big droopy eyes and a little nubbin of a tail that perked up when she entered.

Step-by-step explanation: hopefully  this is right :)

Leviafan [203]3 years ago
3 0

Answer:

the last answer

Step-by-step explanation:

:) hope this helps you

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500 meters divided by 10 days
Flauer [41]

Answer:

50 meters per day

Step-by-step explanation:

7 0
3 years ago
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Please help.
Ad libitum [116K]

Answer:  

In what article are you most likely to find the sentence “The coma streamed out until it formed a tail of dust and light”?

“Comets in the Sky”

“How to Punctuate Sentences”

“Water Under the Bridge”

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Step-by-step explanation:

8 0
3 years ago
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A laptop producing company also produces laptop batteries, and claims that the batteries
gregori [183]

Answer:

There is enough evidence to support the claim that the batteries power the laptops for significantly less than 4 hours. (P-value = 0).

The null and alternative hypothesis are:

H_0: \mu=4\\\\H_a:\mu< 4

Step-by-step explanation:

<em>The question is incomplete: To test this claim a sample or population standard deviation is needed.</em>

<em>We will estimate that the sample standard deviation is 2 hours, and use a t-test to test that claim.</em>

<em> NOTE (after solving): The difference between the sample mean and the mean of the null hypothesis is big enough to reject the null hypothesis, even when we have a sample standard deviation of 3.5 hours, which can be considered bigger than the maximum standard deviation for the sample.</em>

This is a hypothesis test for the population mean.

The claim is that the batteries power the laptops for significantly less than 4 hours.

Then, the null and alternative hypothesis are:

H_0: \mu=4\\\\H_a:\mu< 4

The significance level is 0.05.

The sample has a size n=500.

The sample mean is M=3.5.

As the standard deviation of the population is not known, we estimate it with the sample standard deviation, that has a value of s=2.

The estimated standard error of the mean is computed using the formula:

s_M=\dfrac{s}{\sqrt{n}}=\dfrac{2}{\sqrt{500}}=0.0894

Then, we can calculate the t-statistic as:

t=\dfrac{M-\mu}{s/\sqrt{n}}=\dfrac{3.5-4}{0.0894}=\dfrac{-0.5}{0.0894}=-5.5902

The degrees of freedom for this sample size are:

df=n-1=500-1=499

This test is a left-tailed test, with 499 degrees of freedom and t=-5.5902, so the P-value for this test is calculated as (using a t-table):

P-value=P(t

As the P-value (0) is smaller than the significance level (0.05), the effect is  significant.

The null hypothesis is rejected.

There is enough evidence to support the claim that the batteries power the laptops for significantly less than 4 hours.

5 0
3 years ago
Ellie puts 35 quarter into stacks with the same number of quarter in each stack
ki77a [65]

Answer:

Ellie can make eight stacks of quarters with four quarters in each stack

Step-by-step explanation:

4 0
2 years ago
PLEASE HELP SUPER EASY MATH PROBLEM WILL MARK BRAINLIEST
topjm [15]

Answer:

m∠5 = 67

m∠7 = 67

Step-by-step explanation:

m∠4 and m∠5 add up to 180 because they are same side interior angles.

180 - 113 = m∠5

m∠5 = 67

m∠5 = m∠7 because they are vertically opposite angles

hence, m∠7 = 67 degrees  

8 0
3 years ago
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