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Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

If Sonya buys four pairs of shoes, each on a buy one get one 50% off, that means that we can find the value if she bought ONE deal of buy one get 50% off one, then multiply that by 2 (as if you do the deal, you are paying for two.)

The shoe costs $35, and if we have a 50% discount on it:

$35\cdot0.5=17.5$

So the cost of the shoe ON DISCOUNT is 17.50, however the first pair still stays the same.

So the cost of two pairs of shoes using the discount is $35+17.5 = 52.5$

So four pairs cost $52.5\cdot2 = 105$

However, there is a tax of 6.5%

So we can multiply 105 by 1.065 to get the cost after tax.

$105\cdot1.065=111.825$

This simplifies down to 111.83.

Hope this helped!

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A swimming pool is 50 meters long, 25 meters wide, and 3 meters deep. A liter is the same as 0.001 cubic meter. How many liters of water are needed to fill the pool?

A cylindrical swimming pool has a diameter of 18 feet and a height of 4 feet. About how many liters of water are needed to fill the swimming pool 85% of its total volume? Round your answer to the nearest whole number. (1 ft³ ≈ 28.3 L) To the nearest whole number of liters.

Answers

Final answer:

To fill a cylindrical swimming pool with a diameter of 18 feet and a height of 4 feet 85% full, you'll need approximately 24462 liters of water.

Explanation:

To determine how many liters of water are needed to fill the swimming pool to 85% of its total volume, we first need to calculate the total volume of the cylindrical pool. The formula to calculate the volume of a cylinder is V=πr²h were r is the radius (half of the diameter) and h is the height. Therefore, the pool's total volume in cubic feet is V=π*9²*4 ≈ 1018 ft³. However, the student only wants to fill the swimming pool up to 85%, so we multiply this total volume by 0.85 to get approximately 865 ft³.

Since 1 ft³ ≈ 28.3 L, we can calculate the needed volume in liters by multiplying the 865 ft³ by 28.3 to obtain approximately 24462 liters of water. Round to the nearest whole number, so about 24462 liters of water are needed to fill the swimming pool es up to 85% of its volume.

Learn more about Cylindrical Volume Calculation

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I need help please as fast as possible

Answers

Answer:

yo answer is bottom left

cause the y intercept is touching 2 and 1/2

Step-by-step explanation:

Answer: C I believe.

Step-by-step explanation:

The Y-intercept would be on the Y axis(up and down) and the slope being 1/2, you would go right one and up two(opposite when negative).

ABCD is a rectangle with angle abd=40 determine angle dbc

Answers

I can’t do this without an image, because I am not that smart. All angles should be 90, but a rectangle equals 360 in a rectangle.

Benito spent $1837 to operate his car last year. Some of these expenses are listed below. Benito's only other expense was for gasoline. If he drove 7600 miles, what was the average cost of the gasoline per mile?

Answers

Operating Expenses
Cost Insurance $972
Registration $114
Maintenance $105

1837 - 972 - 114 - 105 = 646 cost of gasoline

646 / 7600 = 0.085 or 8.5 centavos

Answer:

8.5 Cent

Step-by-step explanation:

Benito’s only other expense was for gasoline. If he drove 7600 miles, what was the average cost of the gasoline per mile?

7.5¢

5.5¢

8.0¢

8.5¢

Operating Expenses Cost

Insurance $972

Registration $114

Maintenance $105

Wilma can mow a lawn in 40 minutes. Rocky can mow the same lawn in 120 minutes. Construct an equation that would allow you to determine how long it would take them to mow 2 lawns if they worked together. Use t to represent the number of minutes they work.

Answers

Answer:

$r_(w)*t + r_(r)*t = 2 jobs\n (1)/(40) *t + (1)/(120) *t = 2$

Step-by-step explanation:

Given are the time it takes for each worker (Wilma and Rocky) to mow one lawn.

To derive a formula to be able to find the time it takes if they work together we first need to find the rate of work of each worker

The basic formula for rate of working is as follow

$rate(r) = (Job)/(time)$

Lets calculate the rate of work for Wilma and Rocky

Wilma

$r_(w) = (1)/(40)$

Rocky

$r_(r) = (1)/(120)$

Notice the 1 at the numerator, this is because the times are given for one job.

To complete two jobs together we derive the following formula based on adding their rates together

$r_(w)*t + r_(r)*t = 2 jobs\n (1)/(40) *t + (1)/(120) *t = 2$

A high school student volunteers to present a report to the administration about the types of lunches students prefer. He surveys members of his class and records their choices. What type of sampling did the student use? systematic random sampling voluntary sampling convenience sampling stratified sampling

Answers

The student use convenience sampling.

This is convenience sampling because in this type of sampling we use closer part of the population. Here the person is surveying his classmates, the closest samples available. In this type of sampling, it is easy to gather samples because every members are of their class easily available to give the survey.

Hence this type of sampling called convenience sampling.

For more details on convenience sampling follow the link:

brainly.com/question/1413932

Answer:

The correct answer is - convenience sampling

Step-by-step explanation:

This is convenience sampling because in this type of sampling we use closer part of the population. Here the person is surveying his classmates, the closest samples available. In this type of sampling, it is easy to gather samples.

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