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4 years ago

Four different linear functions are represented below.

Mathematics

1 answer:

Usimov [2.4K]4 years ago

4 0

Answer:

A) Function 4

B) Function 2

C) Function 3

Step-by-step explanation:

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An appliance manufacturer claims to have developed a compact microwave oven that consumes a mean of no more than 250 W. From pre

Shtirlitz [24]

Answer:

Null Hypothesis, $H_0$ : $\mu \leq$ 250 W

Alternate Hypothesis, $H_A$ : $\mu$ > 250 W

Step-by-step explanation:

We are given that an appliance manufacturer claims to have developed a compact microwave oven that consumes a mean of no more than 250 W.

They take a sample of 20 microwave ovens and find that they consume a mean of 257.3 W.

Let $\mu$ = mean power consumption of microwave ovens.

So, Null Hypothesis, $H_0$ : $\mu \leq$ 250 W

Alternate Hypothesis, $H_A$ : $\mu$ > 250 W

Here, null hypothesis states that the mean power consumption of microwave ovens is no more than 250 W.

On the other hand, alternate hypothesis sates that the mean power consumption of microwave ovens is more than 250 W.

The test statistics that would be used here is One-sample z test statistics as we know about the population standard deviation;

T.S. = $\frac{\bar X-\mu}{\frac{\sigma}{\sqrt{n} } }$ ~ N(0,1)

Hence, this would be the appropriate hypotheses to determine if the manufacturer's claim appears reasonable.

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4 years ago

What is 1 4th of 10 explain

Nat2105 [25]

I have seen you ask this question twice before, so I will give you the answer that HugoD gave you:

In mathematics, "of" is translated as a multiplication.

So, you have : $\frac{1}{4} * 10 = \frac{10}{4} = 2, 5$ .

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Lapatulllka [165]

10 is 37.037 percent of 27

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3 years ago

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Need help A)they are corresponding angles B)right angles C)not related

Andreas93 [3]

The angles 1 and 2 are right angles.

As stated in the question line l is perpendicular to line m and perpendicular lines create right angles

Hope this helps :)

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ASHA 777 [7]

Answer:

15,300 + 18750 + 13,500 + 23,400 +19500 = 90,450

Step-by-step explanation:

divide all the numbers by 100, then multiplying by 3

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3 years ago