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Anna11 [10]
3 years ago
6

Ratio equivalent to 3 : 4

Mathematics
1 answer:
lana66690 [7]3 years ago
4 0
A ratio equivalent to 3:4 is 6:8
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Answer:

Yes

Step-by-step explanation:

Given,

Population mean Z = 600

Sample mean, µ = 586.50

Size of the sample, n = 10

Standard deviation, σ = 26.77

The testing hypothesis is,

Null hypothesis = µ<600

Alternative hypothesis = µ≥600

The test statistics is the calculated value of Z,

(Z- µ)/(σ/√n)

= (600-586.50)/(26.77/√10)

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= 42.691/26.77

= 1.5947

And at 5% level of significance, the table value of Z = 1.644

Here, calculated Z<Table value of Z, so we accept the null hypothesis.

So, the null hypothesis is accepted. The mean value of the laptop is less than 600.

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Michael is headed to his aunt’s house. For the first 2 hours he drives at 55 mph. For next hour, he drives 70 mph. For the final
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Answer: 280 miles I think

Step-by-step explanation:

At first, he drives 110. Then hes at the 180 mile mark. And at the end he is at 280. 110 + 70 + 100. I’m very sorry if I’m wrong.

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A new convenience store wishes to attract customers. For a one-day special, the store sells gasoline for $.25 per gallon below i
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3 years ago
What is the measure of angle x?<br> 37<br> Enter your answer in the box<br> 82<br> m3 =
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Answer:

61

Step-by-step explanation:

we kno that a triangle is 180 degrees so we just add the first two angles

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so x = 61 degrees

lmk if this wrong and ill fix it

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