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Naily [24]
3 years ago
7

Select the rational expression that is equivalent to the given expression below. 4 over x - 3

Mathematics
1 answer:
vredina [299]3 years ago
6 0
Hello,
Please, see the attached file.
Thanks.

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sharon bought chick-fil-a for $6.40. there is a 5 percent tip. how much money will sharon leaver for a tip? round to the nearest
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Answer:

0.32

Step-by-step explanation:

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12 workers build a wall in 10hours. How long do 5 workers build a wall​
snow_lady [41]

Answer:

24 hours

Step-by-step explanation:

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Jobisdone [24]
<span>Data:
</span><span>Hypotenuse is 7.5 
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Cosine = Side opposite (S.O) the angle on the hypotenuse (h)

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</span>Cos (\alpha)x =  \frac{S.O}{h}
Cos (\alpha)x = \frac{6}{7.5}
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<span>For better understanding, see the annex:

</span>

6 0
3 years ago
The scores on a final exam were approximately normally distributed with a mean of 82 and a standard deviation of 11. If 85 stude
Savatey [412]

In this case, we can use the z statistic to find for the proportion of students who failed the exam. The formula for z score is given as:

t = (x – u) / s

where,

x = the sample score = 60

u = sample score mean = 82

s = standard deviation = 11

Substituting all given values into the equation:

t = (60 – 82) / 11

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Based from the standard proportion distribution tables for z, this corresponds to:

P = 0.0228

This means that 2.28% of the students failed the exam or equivalent to:

failed students = (0.0228) * 85 = 1.938

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3 years ago
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Yolanda went for a drive in her new car. She drove
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Her speed was 62.5 miles per hour.
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