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Darina [25.2K]
3 years ago
8

Is 9(2k + 3) and 18k + 27 equivalent ​

Mathematics
2 answers:
neonofarm [45]3 years ago
6 0

Answer:

yes...

Step-by-step explanation:

Lunna [17]3 years ago
3 0
Yes, these are equivalent
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8 0
3 years ago
Francisco forgot to pay the $50 water bill. The company charges you a 12% fine. How
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Answer:

$56

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8 0
3 years ago
Read 2 more answers
A right circular cylinder has a diameter of 12 in and a height of 12 in. if water is flowing in at the rate of 4π in3 per minute
Readme [11.4K]

The rate of change of the height is \frac{1}{9} in/min.

<h3>What is a right circular cylinder?</h3>

A right circular cylinder is a cylinder that has a closed circular surface having two parallel bases on both the ends and whose elements are perpendicular to its base. It is also called a right cylinder.

Volume of the cylinder = \pi r^{2}h

Rate of change of height is  \frac{dh}{dt} = ?

At any time t,

Volume, V =  \pi r^{2}h

Since r does not change with time, then r is a constant, so,

V =  \pi (6)^{2}h

V = 36\pi h

Differentiate both sides with respect to time t,

\frac{dV}{dt} = 36\pi \frac{dh}{dt} -------------(i)

Since \frac{dV}{dt}is given as 4\pi cu.in. per min,

4\pi  = 36\pi \frac{dh}{dt}

\frac{dh}{dt} = \frac{4\pi }{36\pi }

\frac{dh}{dt} = \frac{1 }{9 } in/min.

Hence, The rate of change of the height is \frac{1}{9} in/min.

To learn more about right circular cylinder from the given link:

brainly.com/question/2762448

#SPJ4

5 0
2 years ago
What's an expression for 7
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5+2
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3 0
3 years ago
PLEASE HELP 10 BRAINLY POINTS<br> Find SA for this triangular prism: DON'T FORGET TO SHOW ALL WORK
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Answer: 872

10 times 16 = 160

12vtimes 10 = 120

20 times 20 = 400

12 times 16 = 192

*with the area of triangles, you have to divide your number by 2, but there is 2 triangles, so 192, instead of 96*

Step-by-step explanation:

6 0
3 years ago
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