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tankabanditka [31]
3 years ago
9

Plz help!!! Calvin is filling the pool in his backyard with water. If the pool is in the shape of a cylinder with a diameter of

12ft and a height of 5 ft, how much water is needed to fill a 3/4 of the pool?
Mathematics
2 answers:
Gekata [30.6K]3 years ago
4 0

Answer: 424.115

Step-by-step explanation:

(Pi)6^2(5) =565.49

3/4 = 424.115

uysha [10]3 years ago
4 0

Answer:

424.1175

Step-by-step explanation:

Volume of the total pool = πr^{2}h

                                        = π x 6^{2} x 5

                                        = 565.49

needed to fill a 3/4 of the pool = \frac{3}{4} x 565.49

                                                   = <u>424.1175</u>

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The given figure is a regular hexagon with side length 12 and radius 10. Find its area.
Strike441 [17]

Answer:

if i was to guess it would be 96 or 120 this one got me stumped also

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Karina wants to fill the base so that it is 85% full. What is the volume of the base that she is filling? (Find 85% of the volum
Mazyrski [523]

Question:

Karina has recently begun kickboxing and purchased training equipment as modeled in the diagram below. The cylindrical base is 15 inches tall with a diameter of 22 inches.

Karina wants to fill the base so that it is 85% full. What is the volume of the base that she is filling? (Find 85% of the volume).

Answer:

Section = 4847.3205\ in^3

Step-by-step explanation:

Given

h = 15in -- height

d = 22in -- diameter

Required

85% of the volume

First, calculate the radius

r = \frac{1}{2} * d

r = \frac{1}{2} * 22= 11in

The volume (V) is then calculated using:

V = \pi r^2h

V = 3.142* 11^2 * 15

V = 5702.73\ in^3

85% of the volume is:

Section = 85\% * V

Section = 85\% *  5702.73\ in^3

Section = 4847.3205\ in^3

3 0
2 years ago
Consider the equation below (in screenshot)
frozen [14]

The <em>approximate</em> solution of the equation shown in the picture is x ≈ 39 / 8 (Right choice: B).

<h3>How to find an approximate solution of a one-variable equation</h3>

The solution of the equation is between x = 4 and x = 5. Now we begin by evaluating each side of the expression (f(x) = x² - 5 · x + 4, g(x) = 2 / (x - 1)) at the average of x = 4 and x = 5.

x = (4 + 5) / 2

x = 4.5

f(4.5) = 4.5² - 5 · 4.5 + 1

f(4.5) = - 5 / 4

g(4.5) = 2 / (4.5 - 1)

g(4.5) = 4 / 7

The solution of the equation is between x = 4.5 and x = 5, then we evaluate at the average:

x = (4.5 + 5) / 2

x = 4.75

f(4.75) = 4.75² - 5 · 4.75 + 1

f(4.75) = - 3 / 16

g(4.75) = 2 / (4.75 - 1)

g(4.75) = 8 / 15

The solution of the equation is between x = 4.75 and x = 5, then we evaluate at the average:

x = (4.75 + 5) / 2

x = 4.875

f(4.875) = 4.875² - 5 · 4.875 + 1

f(4.875) = 25 / 64

g(4.875) = 2 / (4.875 - 1)

g(4.875) = 16 / 31

The <em>approximate</em> solution of the equation shown in the picture is x ≈ 39 / 8 (Right choice: B).

To learn more on successive approximations: brainly.com/question/27191494

#SPJ1

7 0
2 years ago
When x = 3, y = 4. What is y when x = 12?
alexdok [17]

Answer:

A)3

Step-by-step explanation:

if im wrong tell me and i will do it again

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8 0
3 years ago
A school has 1500 students. Given that 3% of them were late for school on a particular day, find the no of students who were pun
Setler [38]

Answer:

1455

Step-by-step explanation:

0.03% x 1500 = 45

therefore, 45 students were late

1500 - 45 = 1455 punctual

3 0
3 years ago
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