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jarptica [38.1K]
2 years ago
8

Joyce is comparing two different internet providers to see which is a better deal. The cost of service from Provider S can be re

presented by the equation y=35x+45, where x is the number of months of service and y is the total cost. The cost of service from Provider T is represented by the following table.
Mathematics
1 answer:
maxonik [38]2 years ago
5 0

This means an initial fee of $45 have to be paid to the provider and a charge of $35 per month.

<h3>Linear equation</h3>

A linear equation is in the form:

y = mx + b

Where y, x are variables, m is the rate of change and b is the initial value of y.

Let S represent the total cost of service for x months. Given:

y = 35x + 45

This means an initial fee of $45 have to be paid to the provider and a charge of $35 per month.

Find out more on Linear equation at: brainly.com/question/13763238

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A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 40% of this population prefers t
ira [324]

Answer:

0.1655

Step-by-step explanation:

This is a binomial probability.

THe formula is:

nCr*p^r*(1-p)^{n-r}

Where n is the total number of people

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p is probability of success (0.4)

Putting the information, we get:

nCr*p^r*(1-p)^{n-r}\\=18C6*(0.4)^{6}(0.6)^{12}\\=0.1655

Thus, the probability that exactly a third of the buyers would prefer brown is 0.1655

5 0
3 years ago
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Olin [163]

Answer:

2 feet

Step-by-step explanation:

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3 years ago
Brianna is crocheting a scarf as a birthday present for her sister. She started the scarf yesterday and needs to finish it today
bixtya [17]

9514 1404 393

Answer:

  no, the relationship is not proportional

Step-by-step explanation:

The table says Brianna crocheted 19 inches in 10 minutes. If the relation were proportional, Brianna would have crocheted 5×19 = 95 inches in 5×10 = 50 minutes. Her actual length is only 23 inches, so length is not proportional to time.

3 0
3 years ago
A restaurant would like to evaluate the efficiency of its workers, so they observe the workers during the second shift.
Ksivusya [100]

Answer:

1.) It is biased

2.) No

3.) Yes

4.) No

Step-by-step explanation:

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2.) No, because biased in research leads to unrepresentative outcomes as the estimates is predisposed to the left or to the right of the true values.

3.) Yes. Since the selection of shift has an equal probability of being chosen.

4.) No. The probability that the sample  accurately reflects the efficiency of the workers, the standard should be 95%.

4 0
3 years ago
Help me pls really need help
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A) 43,000

10^3 is the same as 10,000

multiply 10,000 by 4.3=43,000

hopes this helps

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3 years ago
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