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KATRIN_1 [288]
2 years ago
14

What best describes the expression y /4 ? (5 points) O a Some number divided by 4 Oь Some number times 4 Oc 4 more than some num

ber od 4 less than some number​
Mathematics
1 answer:
Elodia [21]2 years ago
8 0

Answer:

Some number divided by 4

Step-by-step explanation:

The y stands for an unknown number, aka some number. The slash indicates division, so it would be some number divided by 4.

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HELP WILL MARK BRAINLIEST
nexus9112 [7]

Answer:

Its B, y=-0.89x^2+3.24x+11.93

Step-by-step explanation:

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3 years ago
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Preliminary data analyses indicate that it is reasonable to use a t-test to carry out the specified hypothesis test. Perform the
Readme [11.4K]
<h2>Answer with explanation:</h2>

By considering the given information, we have

Null hypothesis : H_0: \mu=35.0

Alternative hypothesis : H_1: \mu\neq35.0

Since the alternative hypothesis is two-tailed , so the test is a two-tailed test.

Given : Sample size : n= 20, since sample size is less than 30 so the test applied is a t-test.

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Test statistic : t=\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}

i.e. t=\dfrac{41.0-35.0}{\dfrac{3.7}{\sqrt{20}}}=7.252112359\approx7.25

Degree of freedom : n-1 = 20-1=19

Significance level = 0.01

For two tailed,  Significance level =\dfrac{0.01}{2}=0.005

By using the t-distribution table, the critical value of t =t_{19, 0.005}=2.861

Since , the observed t-value (7.25) is greater than the critical value (2.861) .

So we reject the null hypothesis, it means we have enough evidence to support the alternative hypothesis.

We conclude that there is some significance difference between the mean score for sober women and 35.0.

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3 years ago
Give the slope between the points<br> (-2,3) (-5, -9)
valentina_108 [34]
M = (-9 - 3) / (-5 - -2)
m = -12 / -3
m = 4

The slope is 4.
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2 years ago
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6-y-x^2 use x=5 and y=4
Ulleksa [173]

Answer:

6 - 4 - 5 ^ 2 = -23

hope this helps

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3 years ago
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