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3241004551 [841]
3 years ago
7

Please help me on this quick!! Thanks and please show work.

Mathematics
1 answer:
FinnZ [79.3K]3 years ago
8 0
The two parallel bases b1 and b2 are
b1 = 12
b2 = 9
the order of which base you pick doesn't matter

The height is h = 10 and it's perpendicular to each base.

The area is...

A = (1/2)*h*(b1+b2)
A = (1/2)*10*(12+9)
A = (1/2)*10*(21)
A = 5*21
A = 105

Final Answer: B) 105 square centimeters
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A cylinder has a radius of 12 m and a height of 9 m. What is the exact volume of the cylinder?
ivann1987 [24]
V = pi * r^2 * h

V = pi * 12^2 * 9

V = pi * 144 * 9

V = pi * 1296

V = 1296 pi
3 0
3 years ago
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Work out, giving your answer in its simplest form:<br> 4/7 divided by 2 1/3
kirill [66]

Answer:

12/49  

Step-by-step explanation:

First write 2 1/3 as a improper fraction, to do that, first multiply the 2 by the denominator, then add it with the 1, which will result in 7/3

when doing division of fraction you have to remember this, KFG

KFG: Keep Flip Change

you keep the first number or fraction, which is 4/7

then you flip the sign, so you change division in to multiplication

after that, you change or write the reciprocal of the second number or fraction, so 7/3 will be 3/7

Now the equation is

4/7 times 3/7, which is 12/49  

4 0
3 years ago
PLEASE HELP!! WILL MARK BRAINLIEST AND THANK YOU!!<br><br> What is value of x.
denis23 [38]

Answer:

x = 111

Step-by-step explanation:

126+158+120+125+121+139 = 789

900-789 = 111

(n-2)*180

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6 0
3 years ago
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3. Simplify the expression.
Zarrin [17]
Use MathPapa for a faster answer hehe
4 0
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John earns $12 in 2/3 of an hour what is the unit rate
Lisa [10]
To answer this question we have to divide 2/3 by 12. 
To divide fractions multiply by the reciprocal of the second fraction.

2        1           2                          1 
_   x  __   =    __   (simplify) =    __

3       12         36                        18

The correct answer is 1/8

Hope this helped! Please comment or DM me if you have any questions or still need help. :)
8 0
3 years ago
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