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qwelly [4]
3 years ago
10

Find the volume of the cylinder

Mathematics
2 answers:
N76 [4]3 years ago
7 0

Answer: wouldn't be 1608.5? let me know if im wrong.

V = πr^2 h= π · 8^2 · 8 ≈ 1608.49544

Helen [10]3 years ago
5 0

Answer:

V=1607.68in^3

Step-by-step explanation:

You can use the formula V=pi x r^2 x h

Now we can substitute, so we will get:

V=3.14 x 64 x 8

So we multiply, and we will get:

V=1607.68in^3

Hope I helped, sorry if the answer is wrong!

~Mschmindy

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Katherine invested $86,000 in an account paying an interest rate of 52%
earnstyle [38]

Answer: $4,331‬

Step-by-step explanation:

I will assume that the question meant 5.2% not 52% as this is quite excessive.

Katherine after 13 years.

Convert the variables;

n = 13 years = 13 * 365 = ‭4,745‬ days

r = 5.2% = 5.2/365 = 5.2/365%

Future value = P * ( 1 + r)^n

= 86,000 * (1 + 5.2/365%)⁴⁷⁴⁵

= $169,068

Michael after 13 years;

If compounded continuously, the formula is;

Future value = Pe^rt

= 86,000 * e⁰.⁰⁵ ˣ ¹³

= $164,737

Difference = 169,068 - 164,737

= $4,331‬

5 0
3 years ago
Hey guys! I would be thankful if anyone could help me answer this question.
ExtremeBDS [4]
In order to not get confused, start by converting cm to m
h=20 cm = 0.2m and r=5cm = 0.05m

The cans are cylinders and we only need the rectangular shape, which is equal to the height x the circumference of the circle (2r(pi)), which you'll have to multiply by 200,000 for the number of cans necessary

your equation is therefore:
A=200,000h(2pi(r))
A=200,000(0.2)(2)(0.05)(pi)
A=4000pi m^2
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3 years ago
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Answer:

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3 years ago
Simplify the following​
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HELP PLEASE! PRE-ALGEBRA!
serious [3.7K]

Answer:

Triangle ABC is similar to triangle A prime B prime C prime., because Triangle A prime B prime C prime. is obtained by dilating Triangle ABC. by a scale factor of 1 over 2. and then rotating it about the origin by 180 degrees

Step-by-step explanation:

Step 1: Dilation by a scale factor of 1/2.

A point (x, y) is sent to (1/2 x, 1/2 y).

A(2, 2) ---> (1, 1)

B(2, 10) ---> (1, 5)

C(8, 12) ---> (4, 6)

Step 2: Rotate about the origin 180 degrees

A point (x, y) is sent to (-x, -y).

(1, 6) --->  A'(-1, -1)

(1, 5) --->  B'(-1, -5)

(4, 6) ---> C'(-4, -6)

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