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NeX [460]
3 years ago
10

Find the volume of cylinder with height 9 cm and radius 4 cm

Mathematics
1 answer:
irga5000 [103]3 years ago
6 0

Answer: 144π

Step-by-step explanation: First. find the area of the bases. To do this, you must solve for the area of a circle with a radius of 4. Since the formula for finding the area of a circle is area=πr² squared, the area of the circles are 16π. Next, you must multiply the area of the base, 16π, by the height of the cylinder, 9. 16π times 9 is 144π, or about 452.4, if rounded to the nearest tenth, or 452.39, if rounded to the nearest hundredth.

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A toy store received a large shipment of toy race cars. The cars come in blue and red. Because the red cars are more popular, th
Serhud [2]

Answer:

24 cars

Step-by-step explanation:

Given

Red:Blue = 3:2

Cars = 40

Required

Determine the number of red cars

Number of red cars is calculated using:

Red\ Cars = \frac{Red\ Ratio}{Total\ Ratio} * Cars

Red\ Cars = \frac{3}{3 + 2} * 40

Red\ Cars = \frac{3}{5} * 40

Red\ Cars = \frac{3 * 40}{5}

Red\ Cars = \frac{120}{5}

Red\ Cars = 24

5 0
3 years ago
Solve 9x is greater than or equal to 3
hjlf

Answer:

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Step-by-step explanation:

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3 years ago
Which is a better deal 5 books for $12 or 4 books for $10?
never [62]

5 books for 12 dollars because you basically getting a book free

4 0
3 years ago
Read 2 more answers
Explain Pe^(rt) How do I use this formula ?
Montano1993 [528]

Answer:

The equation for "continual" growth (or decay) is A = Pert, where "A", is the ending amount, "P" is the beginning amount (principal, in the case of money), "r" is the growth or decay rate (expressed as a decimal), and "t" is the time (in whatever unit was used on the growth/decay rate).

Step-by-step explanation:

<h2>  Don't sweat here is a video link too </h2>

                      Compounding Continuously Pert Formula

                                https://youtu.be/dFsBfi9W7sQ

8 0
3 years ago
In the figure below, m∠1 = x and m∠2 = x - 4. Which statement could be used to prove that x = 47?
dangina [55]

The answer is C) m∠1 + m∠2 = 90

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Basically you know than ∠3 is 90° ... And a straight line is 180° ..                            So technically we can just find out 180-90 is 90(the other angle 1 + 2).

To get 90° we'll add ∠1 and ∠2 in other ways, like technical thinking-

So you already know adding ∠1 and ∠2 is 90°. So ∠1 + ∠2 = 90°

In other words you can say m∠1 + m∠2 = 90

3 0
3 years ago
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