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lys-0071 [83]
3 years ago
5

5. Miguel has an after-school job. He works

Mathematics
1 answer:
Degger [83]3 years ago
8 0

Answer:

The domain is 15 ≤ x ≤ 25

Step-by-step explanation:

The given parameters are;

The number of hours Miguel works each week = Between 15 and 25 hours

The amount he is paid per hour = $12

Therefore, we have;

The domain is all real numbers, 'x', such that 15 ≤ x ≤ 25

The amount Miguel makes each week, 'y' is between; 12 × 15 ≤ A ≤ 12 × 25

Therefore the range is 180 ≤ y ≤ 300.

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Answer:

x= -6

Step-by-step explanation:

y=4x-6

y=5x, so where ever you see y, put 5x there.

hence, 5x=4x-6

5x-4x=-6

x= -6

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3 years ago
Hypothesis testing on samples with fewer than 30 participants can be carried out by using the t-value for the corresponding leve
Eva8 [605]

Answer: true

Step-by-step explanation:

Z-tests are statistical calculations that can be used to compare the population mean to a sample mean The z-score is used to tellsbhow far in standard deviations a data point is from the mean of the data set. z-test compares a sample to a defined population and is typically used for dealing with problems relating to large samples (n > 30). Z-tests can also be used to test a hypothesis. Z-test is most useful when the standard deviation is known.

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3 years ago
An expression to convert 50 miles per hour to miles per minute is shown.What value can be entered in the box to correctly make t
Alja [10]
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The number of electoral votes each state is assigned is determined by the size of its population every ten years. The chart show
sattari [20]

Answer:

D. Q_3=47

Step-by-step explanation:

We have been given a table that represents the the number of electoral votes California was assigned each decade of the past century. We are asked to find the 3rd quartile of our given data.

The number of votes are: 9, 13, 13, 22, 25, 32, 40, 45, 47, 54, 55.

We will use upper quartile formula to solve our given problem.

Q_3=\frac{3}{4}*(n+1)^{\text{th term}}, where, n represents the number of elements in the data set.

We can see that our data set has 11 data points, so upon substituting n=11 in above formula we will get,

Q_3=\frac{3}{4}*(11+1)^{\text{th term}}

Q_3=\frac{3}{4}*(12)^{\text{th term}}

Q_3=3*3^{\text{th term}}

Q_3=9^{\text{th term}}

Now let us count 9th term of our data set. Upon counting our data set from left to right we can see that 9th term of our data set is 47, therefore, 3rd quartile of our given data is 47 and option D is the correct choice.

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