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LekaFEV [45]
2 years ago
8

A circular asparagus bed with a diameter of 6 ft is to be topped with screened organic compost to a depth of 2 ft. If compost co

sts $1.59 per cubic foot, how much will this cost? Compost is only sold in whole numbers of cubic feet.
Mathematics
1 answer:
jeka57 [31]2 years ago
5 0

Answer:

About $89.91

Step-by-step explanation:

The screening of compost creates a "cylinder" on top of the circular asparagus bed.

The volume of a cylinder is  \pi r^2 h

Where r is the radius [6/2 = 3]

h is the "depth" [h=2]

Now, the volume is:

\pi r^2 h\\=\pi (3)^2 (2) \\=56.55

We need 56.55 cubic feet, but it's not sold in fractional amount, so we will need 57 cubic feet of it.

Cost 1.59 per cubic feet, so we need

1.59 * 56.55 = $89.91

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Answer:

The third choice.

Step-by-step explanation:

This is a linear function.

The equation is y = (x - 5)(5x + 4) - 5x^2.

y = 5x^2 - 25x + 4x - 20 - 5x^2

y = 5x^2 - 5x^2 - 21x - 20

y = -21x - 20

That means this is a linear function, with a linear term of -21x and constant term of -20.

Hope this helps!

7 0
2 years ago
Read 2 more answers
He bought four violas for 40$ each. Later he bought one whistle for 100$. After that, he returned one viola. Write the total cha
Goshia [24]
40*3=120
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6 0
3 years ago
Retha Davidson works for a word processing center keying straight copy.
Nataliya [291]

Using proportions, it is found that:

  • In an 8-hour day, she keys 48 pages.
  • For a day, her gross earnings are of $72.
  • For a week, her gross earnings are of 72 x 7 = $504.

<h3>Proportions:</h3>

This question is solved using the proportions given, which are:

  • Payment of $1.50 per page of 30 lines.
  • Retha keys 6 pages per hour.

Hence, in an 8-hour day, she keys 6 x 8 = 48 pages.

Since she earns $1.50 per page, for a day, her gross earnings are of 48 x 1.5 = $72.

Considering a week has 7 days, for a week, her gross earnings are of 72 x 7 = $504.

To learn more about proportions, you can take a look at brainly.com/question/24372153

5 0
2 years ago
Natalia is moving into a new house. All together, her furniture weighs 3,204 pounds. If it takes 8 trucks to carry all of Natali
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Answer:

D

Step-by-step explanation:

The average can be found by dividing the number of pieces (or trucks in this case) by the total, so 3204/8=400.5 pounds, or D as our answer

6 0
3 years ago
Over 4 days the temperature was 4,6,-12,and -5 degrees.What was the average temperature?
Deffense [45]
The average temperature is -7.



Hope this helps
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3 years ago
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