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joja [24]
3 years ago
12

What is the total surface area of the following cylinder?

Mathematics
1 answer:
lilavasa [31]3 years ago
6 0

Answer: 791.28cm^2

Step-by-step explanation:

A=2\pi rh+2\pi r^2

We have the diameter, to calculate the radius, divide by 2.

12/2=6cm

height: 15cm

Plug in the formula.

A=2(3.14)(6cm)(15cm)+2(3.14)(6cm)^2\\A=565.20cm^2+226.08cm^2\\A=791.28cm^2

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Rebecca drove 44 1/3 miles in 1 1/3 hours. What is the unit rate for miles per hour?
saul85 [17]
unit\ rate=\frac{distance}{time}\\\\
distance=44\frac{1}{3} miles\\
time=1\frac{1}{3}hour\\\\
unit\ rate=\frac{44\frac{1}{3}}{1\frac{1}{3}}=\ \ \ | make\ improper\ fractions\\
\frac{\frac{133}{3}}{\frac{4}{3}}=\frac{133}{3}*\frac{3}{4}=\frac{133}{4}=33\frac{1}{4}\\\\
unit\ rate= 33\frac{1}{4}\frac{miles}{hour}

5 0
3 years ago
Fargus deposits $366 in a savings account at City BankThe account pays an annual interest rate of 5 percent She makes no other d
ch4aika [34]

The Simple interest after three month $423.70

What is Simple Interest ?

Simple interest is a quick and simple formula for figuring out how much interest will be charged on a loan. The daily interest rate, the principle, and the number of days between payments are multiplied to calculate simple interest.

If she deposits $366 in the account and you receive interest, you must first calculate the interest for the current year before adding the sum to calculate the interest for the following month.

for instance, deposit plus interest equals the new amount for month one, month one amount plus interest equals amount for month two, and month two amount plus interest equals amount for month three.

The total would thus be $423.70 for the following month:

month 1

366+ (366*.05)=x

366+18.3=x

month 2

384.30+(384.30*.05)=x

384.30+19.22=x

month 3

403.52+(403.52*.05)=x

403.52+20.18=x

423.7 = x

Thus, total amount then would be $423.70

To know more about Simple Interest click on the link

brainly.com/question/25793394

#SPJ10

6 0
1 year ago
Please help!posted picture of question
ale4655 [162]
We have the following arithmetic series:
 4, 13, 22, 31, 40
 The common difference is given by:
 13-4 = 9
 22-13 = 9
 31-22 = 9
 40-31 = 9
 Since it is an arithmetic series, the difference is constant.
 Answer:
 
The common difference is:
 
9
 
option 4
7 0
3 years ago
I will give brainliest for right answer
Nastasia [14]

Answer:

B is correct

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Hii Please help this is so hard
-BARSIC- [3]

Answer:

1 1/2 miles

Step-by-step explanation:

1 1/2 miles

3 0
3 years ago
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