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Vikki [24]
3 years ago
15

What is the surface area of the figure? Use 3.14 for π....PLEASE HELP....NEED HELP ASAP

Mathematics
2 answers:
raketka [301]3 years ago
3 0

Answer:

Step-by-step explanation:

Always use your imaginary scissor:

Cut the above and below circle and the cylinder  role it down-ways like a carpet and you will end up with two circles and a big rectangular.

Surface circle: 7 * 7 * 3,14 = 153.86

Surface carpet: 20 * circle exterior (or the length of the circle)= 20 * 2* 3.14 * 7

Results:

153, 86 * 2 (because we cut 2 circles from the cylinder) + 132,6 = 439.6

Answer: A

BabaBlast [244]3 years ago
3 0
A is the answer











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Hands
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The CPI increased from 29.6 to 82.4.  

The rate of increase, is:

82.4/29.6 = 2.78

Now multiply this rate to the $0.14 price of grapes from 1960.

$0.14 x 2.78 = $0.39

Now to get the amount of increase subtract the new price from the original price:

$0.39 - $0.14 = $0.25 increase.

5 0
3 years ago
Can the polynomial equation have exactly 1 real solution, including any repeated solutions? (Use the Fundamental Theorem of Alge
Kryger [21]

yes, there are infinitety many polynomial that have exactly one real root just like your example, to determine the real root first let the real root is a, and the complex roots are b±ic the polynomial satisfy

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5 0
3 years ago
Neal is tiling his kitchen filler. Each square tile is 1 square foot. Neal uses 6 rows of tiles with 9 tiles in each row. What i
timofeeve [1]

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54

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6 0
3 years ago
Pls help :( Will mark as brainliest
bagirrra123 [75]

Answer: The only correct answer is 8/18. See below

Step-by-step explanation:

All you need to do is divide the denominator of 9 into the denominator of each fraction, and multiply the numerator by the same factor like this:

4/9 = ?/36; 36/9 = 4; 4x4 =16, so we know that 4/9=16/36 NOT 20/36

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4/9 = ?/45; 45/9=5; 5x4 = 20, so we know that 5/9 = 20/45 NOT 24/45

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8 0
3 years ago
Find the length of each bolded ARC round to the nearest hundredth 5 mm and 232 Help ASAP
mart [117]

9514 1404 393

Answer:

  20.25 mm

Step-by-step explanation:

Arc length is given by the relation ...

  s = rθ

where r is the radius and θ is the central angle in radians.

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The arc length is about 20.25 mm.

4 0
3 years ago
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