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Nataliya [291]
3 years ago
14

The diameter of a cylindrical construction pipe if 6 ft. If the pipe is 25 ft long what is it’s volume?

Mathematics
1 answer:
Alex17521 [72]3 years ago
6 0

Answer:

47.77

Step-by-step explanation:

6÷3.14=1.91×25=47.77

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Write an expression for the calculation 2/3 times the sum of 2/8 and 4/8
zubka84 [21]
2/3(2/8 + 4/8) = 2/3(1/4 + 1/2)
2/3(3/4) = 1/2
5 0
3 years ago
4(5x – 6y) + 16x<br> I don’t know how do this problem
Ivenika [448]

Answer:

simplify =36x−24y

factor =12(3x−2y)

Step-by-step explanation:

Let's simplify step-by-step.

4(5x−6y)+16x

Factor 4(5x−6y)+16x

36x−24y

7 0
3 years ago
Which shows the expression x^2-1/x^2-x in simplest form
____ [38]

Answer:

\large\boxed{\dfrac{x+1}{x}=1+\dfrac{1}{x}}

Step-by-step explanation:

\dfrac{x^2-1}{x^2-x}=(*)\\\\x^2-1=x^2-1^2\qquad\text{use}\ a^2-b^2=(a-b)(a+b)\\=(x-1)(x+1)\\\\x^2-x=(x)(x)-(x)(1)\qquad\text{use the distributive property}\\=x(x-1)\\\\(*)=\dfrac{(x-1)(x+1)}{x(x-1)}\qquad\text{cancel}\ (x-1)\\\\=\dfrac{x+1}{x}=\dfrac{x}{x}+\dfrac{1}{x}=1+\dfrac{1}{x}

4 0
3 years ago
Read 2 more answers
Speed of a cycle 15 km per hour to the speed of scooter 30 km per hour. find the ratio<br>​
Andrei [34K]

Answer:

Cycle : Scooter = 15 : 30

or, Cycle : Scooter = 1 : 2

Step-by-step explanation:

7 0
3 years ago
Cecilia has $780 in an account earning 5.2% simple interest. How much more interest would her account earn in 6 years with annua
Makovka662 [10]

Answer:

$1057.3

Step-by-step explanation:

First we'll find the Interest no. 1, which is simple interest, assuming the time 1 year:

S.I= PRT/100

S.I= 780*5.2*1/100

S.I=$40.56

Now we'll find interest no.2, which is compound interest, time is 6 years, Principal amount (780) will remain the same as well as the rate thus (putting in the formula of compound interest- annual- A=P(1+\frac{R}{100} )^t):

A= 780(1+\frac{5.2}{100})^6

A= $1057.3

7 0
3 years ago
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