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Ghella [55]
3 years ago
10

A swimming pool holds 900 cubic meters of water. If its length is 20 meters and its height is 3 meters, find its width

Mathematics
2 answers:
Virty [35]3 years ago
6 0
Volume \ of \ a \  Cuboid: \\ \\ V=9000 m^3 \\the \ length : \  l=20 \ m \\ the \ height: \ h=3 m \\ the \  width : \ w= ?  \\ \\V= l\cdot w \cdot h \\ \\900 =20 \cdot w \cdot 3 \\ \\900=60w \ \ / :60\\ \\ w=15 \ m \\\\Answer : \ A \ swimming \ holds \ 15 \  meters\  the \ width .

rusak2 [61]3 years ago
5 0
V=900m³

V=L*w*h

V=20*3*w
V=60*w

60*w=900

w=900/60
w=15m
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20%

Step-by-step explanation:

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2 years ago
The product of four different positive integers is 100. What is the sum of these four integers?
Leno4ka [110]

Step-by-step explanation:

The Answer for the above question is

The four integers are 1,2,5,10. And Sum of the four integers is 18 .

<u>Method : </u>

Product of four different positive integers is 100 .

<u>First</u> of all lets break the number "100"

 ⇒  100 = 50*2

 ⇒ 100 = 25 * 2 * 2

  ⇒ 100 = 5 * 5 * 2 * 2

But here we get the same  integers 2 and 5 and we want different positive integers . So hereby merge 5 * 2  which is 10.

Let's get to the possible combination -

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Sum of these products is -

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5 0
3 years ago
An arch is in the shape of a parabola. It has a span of 100 feet and a maximum height of 25 ft.
faltersainse [42]

Answer:

y=-\frac{1}{100}(x-50)^2+25

the height of the arch 10 feet from the center is 24 feet

Step-by-step explanation:

An arch is in the shape of a parabola. It has a span of 100 feet, the vertex lies at the center 50 and the maximum height of 25 ft.

Vertex at (50,25)

vertex form of the equation is

y=a(x-h)^2+k, (h,k) is the center

y=a(x-50)^2+25

the parabola starts at (0,0) that is (x,y)

0=a(0-50)^2+25

subtract 25 from both sides

-25=a(-50)^2

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divide both sides by 2500

a=-\frac{1}{100}

y=-\frac{1}{100}(x-50)^2+25

the height of the arch 10 feet from the center.

center is at 50, 10 feet from the center so x=40 and x=60

y=-\frac{1}{100}(40-50)^2+25

y=24

the height of the arch 10 feet from the center is 24 feet

4 0
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Answer:

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Step-by-step explanation:

In order to do this you can just multiply 150 by .85 to find the amount of euros you would get for it.

Hope this helped!

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3 years ago
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