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Anestetic [448]
3 years ago
7

PLEASE HELP I AM STUCK!!!THESE ARE ALL MY POINTS!!!

Mathematics
1 answer:
Bond [772]3 years ago
8 0

Answer:

come back when you have the number for the 32oz

Step-by-step explanation:

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Five toymakers each carved 28 blocksand 17 airplanes. Three other toymakerseach carved the same number ofairplanes and twice as
timofeeve [1]

Answer:

444

Step-by-step explanation:

28*5

17*5

17*3

56*3

add the answers

4 0
3 years ago
A model car is 8 inches long and 5.2
Sphinxa [80]
Use proportions here - 8/5.2 = 96/width of actual car. using cross multiplication, 5.2*96 = 8x. this gives you 499.2 = 8x. divide both sides by eight to get x=62.4. the width of the actual car is 62.4 inches.
7 0
3 years ago
The probability distribution table shows the proportion of people living in the five different regions of a city there are now 4
const2013 [10]
Since there are a total of 4,200 residents and the question is asking for the amount in the south region, take the distribution number from the chart, 0.16, and multiply it by 4,200.
4200 ×.16 = 672

672 residents
4 0
3 years ago
Read 2 more answers
What is answer to this equation 7x-4=2
Inga [223]
7x=2+4
7x=6
X=6/7 ans
Hope you like it
3 0
3 years ago
Read 2 more answers
An engineer designed a valve that will regulate water pressure on an automobile engine. The engineer designed the valve such tha
natita [175]

Answer:

Step-by-step explanation:

Given that:

Population Mean = 7.1

sample size = 24

Sample mean = 7.3

Standard deviation = 1.0

Level of significance = 0.025

The null hypothesis:

H_o: \mu = 7.1

The alternative hypothesis:

H_a: \mu > 7.1

This test is right-tailed.

degree \ of \  freedom=  n - 1 \\ \\ degree \  of \  freedom  =  24 - 1 \\ \\ degree \ of \  freedom   = 23

Rejection region: at ∝ = 0.025 and df of 23, the critical value of the right-tailed test t_c = 2.069

The test statistics can be computed as:

t = \dfrac{ \hat X - \mu_o}{\dfrac{s}{\sqrt{n}}}

t = \dfrac{ 7.3-7.1}{\dfrac{1}{\sqrt{24}}}

t = \dfrac{0.2}{0.204}

t = 0.980

Decision rule:

Since the calculated value of t is lesser than, i.e t = 0.980 < t_c = 2.069, then we do not reject the null hypothesis.

Conclusion:

We conclude that there is insufficient evidence to claim that the population mean is greater than 7.1 at 0.025 level of significance.

6 0
3 years ago
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