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finlep [7]
3 years ago
10

A hot tub pump circulates 3.9 cubic feet of water per minute.how many cubic inches of water does it circulate each second

Mathematics
2 answers:
____ [38]3 years ago
6 0

Answer:

1123.2 cubic inch per second

Step-by-step explanation:

3.9 feet^3 = per minute

? = second

39 = 60 sec

? = 1 sec

39/60 =0.65 feet cubic

1 cubic foot = 1728 cubic inch

0.65 feet cubic = ?

0.65 * 1728

= 1123.2 cubic inch

Basile [38]3 years ago
5 0

Answer:

0.78 cubic inches/sec

Step-by-step explanation:

you take 3.9 cubic feet and multiply it by 12 to convert it into inches and you get 46.8 cubic inches. then you divide by 60 to convert minutes to second and you get 0.78. hope that helps

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What is the number of solutions of 4x^2+12x+9=0?
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Answer:

One Real number solution

Step-by-step explanation:

check the discriminant

12^2  - 4*4*9

b^2 - 4ac

...

144 - 16*9 =  0

one double root

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The equation of the line of best fit of a scatter plot is
Verizon [17]

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-6

Step-by-step explanation:

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Find the circumference of a circle with radius, r = 16.5m.<br> Give your answer in terms of pi.
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Read 2 more answers
A rectangle field has an area of 1764 m^2. The width of the field is 13m more than the length. What is the perimeter of the fiel
mr_godi [17]

Answer:

Step-by-step explanation:

hello :

let y the length and  x the  width

A  the area and  P the perimeter

so : A= xy and P  = 2(x+y) ....y > x and x >0  ; y>0

xy = 1764 ...(1)

y = x +13....(2)  put this value in (1) : x (x+13) = 1764

x²+13x -1764 = 0   ...quadratic equation

calculate : Δ = b² -4ac   a =1  and  b =13  and

c = -1764

Δ = (13)² - 4(1)(-1764) = 169 +7056 = 7225=85²

X1 =(-b-√Δ)/2a =(-13-85)/2 < 0 refused  (x  >0)

X2 =(-b+√Δ)/2a =(-13+85)/2  = 72/2 = 36

so : x= 36  put this value in (2) : y = 36+13 = 49

the perimeter is : P  = 2(x+y)

                            P  = 2(36+49) = 170 m

6 0
3 years ago
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