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Aleks [24]
3 years ago
7

The formula for the surface area of a cylinder with radius r and height h is at times twice the product of the

Mathematics
1 answer:
MrMuchimi3 years ago
6 0

Answer:

<em>2\pi \: rh + 2\pi {r}^{2}  = 2(t \times  {r}^{2} )</em>

Step-by-step explanation:

The TSA of the cylinder

2\pi \: rh + 2\pi {r}^{2}

In Mathematics, 'is' is =

Twice means 2( )

Product means ×

So we have

2\pi \: rh + 2\pi {r}^{2}  = 2(t \times  {r}^{2} )

as the answer.

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9. Five times a number is the same as the number added to five. What is the<br> number?
Alenkinab [10]
Let x be the number

5x = x + 5

subtract x from both sides

5x - x = 5

4x = 5

Divide both sides by 4

4x/4 = 5/4

x = 5/4

=======

Check:

5 * (5/4) = (5/4) + 5

25/4 = 1.25 + 5

6.25 = 6.25





Hope it helps . Note that I am a sixth grade student and I don’t know anything . I got help from somebody
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3 years ago
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12

63÷14=4.5
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8 0
3 years ago
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Christopher is 58 years old and Stephanie is 14 years old.
Wittaler [7]
8 years. in 8 years Chris will be 66 and Stephanie will be 22
6 0
3 years ago
Taylor has nickels and dimes. The number of nickels is 7 less then eight times the number of dimes. If d represents the number o
svp [43]

Answer: 8d-7

Step-by-step explanation:

Given

Taylor has nickels and dimes

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If d is the number of dimes, then number of nickels is given by

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4 0
2 years ago
Of the 81 astronauts in the space program, 43 are in outer space. What is the ratio of the number of astronauts on Earth to the
erastovalidia [21]

Answer:

38:81

Step-by-step explanation:

There are a total of 81 Astronauts in the space program.

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Number of Astronauts on Earth = Total Number - Number in Outer Space

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Therefore:

Number of astronauts on Earth : The total number of astronauts. = 38:81

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3 years ago
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