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ivann1987 [24]
3 years ago
5

if you have installed 4000 linear feet of 8 inch water pipe how much will it hold when full? (answe is 10,543) i need help writi

ng it out​
Mathematics
1 answer:
GuDViN [60]3 years ago
3 0

Answer:

768,000\pi\ in^{3}  

Step-by-step explanation:

we know that

The volume of a cylinder (water pipe) is equal to

V=\pi r^{2}L

In this problem we have

r=8/2=4\ in -----> the radius is half the diameter

L=4,000\ ft ----> convert to inches

L=4,000*12=48,000\ in

V=\pi (4^{2}48,000)=768,000\pi\ in^{3}  

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Does anyone also know how to answer these questions? This is due tomorrow so if any of you know please answer
Sindrei [870]

Answer:

y=x+100 for members and y=5x for visitors

Step-by-step explanation:

for the tables put 100 in 0 for the members and 0 for the visitors in 0 and follow the equation to fill the rest :)

4 0
2 years ago
Dr. Denscombe randomly assigned 10 participants to drink a caffeinated beverage and another 10 participants to drink a noncaffei
weqwewe [10]

Answer: t = 10

Step-by-step explanation:m

 Given that; n₁ = 10, n₂ = 10

ж₁ = 50, ж₂ = 30

Sˣ₁ = 20, Sˣ₂ = 20

Now using TEST STATISTICS

t = (ж₁ - ж₂) / √ ( Sˣ₁/n₁ + Sˣ₂/n₂ )

so we substitute our figures

t = ( 50 - 30 ) / √ ( 20/10 + 20/10 )

t = 20 / √4

t = 10

6 0
3 years ago
If p(x)= 2x3+ a x2+ 3x–3 and f(x) = x3 + x2-4x+ aleave the same remainder when divided by x-2, find the value of a.
Luda [366]

Answer:

a = 3

Step-by-step explanation:

p(x) = 2x^{3} + ax^{2} +3x -3\\f(x) = x^{3} + x^{2} - 4x + a

To get the remainder when these polynomials are divided by x - 2, subsitute(x = 2) into both functions.

p(2) = 2(2^{3}) + a(2^{2}) +(3*2) -3\\p(2) = 19 - 4a\\f(2) = 2^{3} + 2^{2} - (4*2) + a\\f(2) = 4 + a

Since the remainders are the same, p(2) = f(2)

19 - 4a = 4 + a

19 - 4 = a + 4a

15 = 5a

a = 15/5

a = 3

6 0
3 years ago
Jerry is mowing his lawn .it takes him 1/6 of an hour to mow 3/20 of his years .what portion of the yard does jerry now per hour
Ber [7]

Given that Jerry mows 3/20 yards of lawn in 1/6 hour.

Now we have to found how much Jerry can mow per hour.

We know that "work" and "time" are in direct proportion so we can setup the ratio of work and time to easily find the required work.

\frac{Portion \; \; of  \; \; lawn  \; \; mowed}{time}=\frac{\frac{3}{20}}{\frac{1}{6}}

\frac{Portion \; \; of  \; \; lawn  \; \; mowed}{1}=\frac{\frac{3}{20}}{\frac{1}{6}}

Portion \; \; of  \; \; lawn  \; \; mowed=\frac{3}{20}*\frac{6}{1}

Portion \; \; of  \; \; lawn  \; \; mowed=\frac{18}{20}

Portion \; \; of  \; \; lawn  \; \; mowed=\frac{9}{10}

Hence final answer is \frac{9}{10} yards.

4 0
3 years ago
Read 2 more answers
If MNK is a height KD in the triangle, then
matrenka [14]

Answer:

then KD would be equal?

Step-by-step explanation:

not sure, but try that

6 0
3 years ago
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