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vodka [1.7K]
3 years ago
12

What is the formula of surface area of cone and surface area of hemisphere

Mathematics
1 answer:
EleoNora [17]3 years ago
8 0

Answer:

i hope it can help you!

Step-by-step explanation:

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Help me and fast please
iogann1982 [59]

Answer: the answer is C

Step-by-step explanation: we know this because a straight line is 180 degrees.  So given 140 degrees we know that g= 40.

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A figure is shown with parallel lines a and b. What is the measure, in degrees, of ∠r?
Novay_Z [31]

Answer:

42 degrees

Step-by-step explanation:

48 and r are equal.

The box means right angle, or 90 degrees

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2 years ago
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2 years ago
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What is the percent of decrease from 110 to 77
Charra [1.4K]
If you want to easily find the solution you can use your calculator.
Just divide 77 by 110 and see the result.
77/110 = 0.7 = 7/10 = 70/100 = 70% 
100% - 70% = 30%

Explanation
110*x=77
x=77/110, but the answer is not a percent
So 77/110 = ?/100  => ?=77*100/110=70 => 70%
But since 70% does not represent a percentage decreasement, we need to subtract it from the 100% 
100% - 70% = 30%
8 0
3 years ago
12.5z + 19.4 = -2.7z + 93.9
Nikitich [7]

Answer:

z =  4.90131578

Step-by-step explanation:

3 0
3 years ago
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