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12345 [234]
2 years ago
5

Frank works at a convenience store. He earns 7.50 per hour when he works during the day. He earns 12.50 per hour when he works a

t night. He wants to San at least 300 per week. Which graph best represents this situation?
Mathematics
2 answers:
fredd [130]2 years ago
6 0

Answer:

7.50x + 12.50y = 300

Step-by-step explanation:

Anna71 [15]2 years ago
4 0
7.50x+12.50y=300 hope this helps
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Which is irrational? <br> 32/3<br> 1.7284927172646362.....<br> 1.3232323232....<br> 1.5
emmasim [6.3K]

Answer:

Step-by-step explanation:

32/3

=10.666666667

4 0
3 years ago
Suppose a manager plans to sample 10 items from a population of 100 items and would like to determine the probability of observi
aev [14]

Answer:

a) We conclude that the menager use the hypergeometric distribution.

b) We conclude that the menager use the binomial distribution.

Step-by-step explanation:

a) We know that in probability theory, the hypergeometric distribution is a discrete probability distribution that describes the probability of k successes in n draws, without replacement.

We conclude that the menager use the hypergeometric distribution.

b) We know that the binomial distribution describes the probability of k successes in n draws with replacement.

We conclude that the menager use the binomial distribution.

4 0
3 years ago
Finely makes 1 batch of her favorite shade of orange paint by mixing 5 liters of yellow paint with three liters of red paint
liq [111]

ok so what's the question.

8 0
3 years ago
Thats my question down there mates
Law Incorporation [45]

Answer:

x = 9

Step-by-step explanation:

A line segment parallel to a side of a triangle and intersecting the other 2 sides divides the 2 sides in proportion, that is

\frac{9}{72} = \frac{1}{8} = \frac{3x-20}{56} ( cross-  multiply )

8(3x - 20) = 56

24x - 160 = 56 ( add 160 to both sides )

24x = 216 ( divide both sides by 24 )

x = 9

7 0
3 years ago
Read 2 more answers
In a random sample of 26 residents of the state of Montana, the mean waste recycled per person per day was 2.8 pounds with a sta
Rainbow [258]

Answer:

The critical value that should be used in constructing the confidence interval is T = 1.316.

The 80% confidence interval for the mean waste recycled per person per day for the population of Montana is between 2.741 pounds and 2.859 pounds.

Step-by-step explanation:

We have the standard deviation for the sample, which means that the t-distribution is used to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 26 - 1 = 25

80% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 25 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.8}{2} = 0.9. So we have T = 1.316

The critical value that should be used in constructing the confidence interval is T = 1.316.

The margin of error is:

M = T\frac{s}{\sqrt{n}} = 1.316\frac{0.23}{\sqrt{26}} = 0.059

In which s is the standard deviation of the sample and n is the size of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 2.8 - 0.059 = 2.741 pounds

The upper end of the interval is the sample mean added to M. So it is 2.8 + 0.059 = 2.859 pounds.

The 80% confidence interval for the mean waste recycled per person per day for the population of Montana is between 2.741 pounds and 2.859 pounds.

4 0
2 years ago
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