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ozzi
3 years ago
11

The table shows the time it takes a carpenter to build various pieces of furniture.

Mathematics
1 answer:
makkiz [27]3 years ago
5 0

time taken to make bed = 15.75 hours

time taken to make a coffee table = 6.375 hours

time taken to make a dresser = 9.5 hours

Total time =

2(15.75) + 6.375 + 3(9.5)

= 66.375

66 \frac{3}{8}

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1.rocky

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6 0
3 years ago
2.The mean area of several thousand apartments in a new development is advertised to be 1,100 square feet. A consumer advocate h
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Answer:

Null Hypothesis, H_0 : \mu = 1,100 square feet

Alternate Hypothesis, H_A : \mu < 1,100 square feet

Step-by-step explanation:

We are given that the mean area of several thousand apartments in a new development is advertised to be 1,100 square feet.

A consumer advocate has received numerous complaints that the apartments are smaller than advertised.

<u><em>Let </em></u>\mu<u><em> = mean area of several apartments.</em></u>

So, Null Hypothesis, H_0 : \mu = 1,100 square feet

Alternate Hypothesis, H_A : \mu < 1,100 square feet

Here, <u>null hypothesis states that</u> the mean area of apartments are same as advertised.

On the other hand, <u>alternate hypothesis states that</u> the mean area of apartments are smaller than advertised.

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3 years ago
Bonjour
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Now that we know what x is, we can determine y by pluging in -3 for x in one of the original equations. I will use the first one.

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We now have our solution.

D. (-3, -15)

We can check our answer by pluging the solution into one of the original equations to see if both sides equal each other. I will use the first equation.

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Since the equation checks out, our solution is correct.

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3 years ago
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