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Gnesinka [82]
3 years ago
5

Convert fraction to decimal

Mathematics
1 answer:
Gennadij [26K]3 years ago
5 0
Where’s the question
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while justin is in training he is to drink 500ml of water 4 times per day how many liters of water will that be for one week
taurus [48]

Answer:

14000 liters

Step-by-step explanation:

500 * 4 = 2000

2000 * 7 = 14000

6 0
3 years ago
What is 5000,30 divide 3000 and multiply it bye 10 and divid it by 1000
grandymaker [24]

Answer:I don’t understand too

Step-by-step explanation:

Sorry I can’t help you

6 0
3 years ago
How to find the area of a polygon when u dont know the side length or tge apothem
dlinn [17]
Measure it hope that helps if not that's on me
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3 years ago
Which equation below represents the model shown?
miv72 [106K]
Is there any answer choices or a picture??
4 0
3 years ago
A researcher at the University of Washington medical school believes that energy drink consumption may increase heart rate. Supp
Nana76 [90]

Answer:

Step-by-step explanation:

Given that:

mean μ = 70

sample size = 25

sample mean = 73

standard deviation = 7

level of significance = 0.10

The null hypothesis and the alternative hypothesis can be computed as follows:

\mathtt{H_o : \mu = 70} \\ \\  \mathtt{H_1 : \mu > 70 }

The z score for this statistics can be calculated by using the formula:

z = \dfrac{X- \mu}{\dfrac{\sigma}{\sqrt{n}}}

z = \dfrac{73- 70}{\dfrac{7}{\sqrt{25}}}

z = \dfrac{3}{\dfrac{7}{5}}

z = \dfrac{3 \times 5}{{7}{}}

z = 2.143

At level of significance of 0.10

degree of freedom = n -1

degree of freedom = 25 - 1

degree of freedom = 24

The p - value from the z score at   level of significance of 0.10 and degree of freedom of 24 is:

P - value = 1 - (Z < 2.143)

P - value =  1 - 0.9839

P - value =  0.0161

Decision Rule: since P value is lesser than the level of significance, we reject the null hypothesis.

Conclusion: We conclude that energy drink consumption increases heart rate.

5 0
3 years ago
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