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3 years ago

Help cant seem to figure out.

Mathematics

2 answers:

Dafna1 [17]3 years ago

5 0

Answer:

For a cylinder there is 2 kinds of formulas the lateral and the total. the lateral surface area is just the sides the formula for that is 2(pi)radius(height). the formula for the total surface area is 2(pi)radius(height) + 2(pi)radius squared.

Vadim26 [7]3 years ago

5 0

The equation for the surface are of a cylinder is 2 pi r h +2 pi r ^2
That’s means the equation is 2 pi 30 + 2 pi 9 which equals 245cm

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A company wants to decrease their energy use by 16%.if their electric bill currently 2,2000 a month what will their be if they a

lyudmila [28]

The bill will be 18,480 if they are successful.

Step-by-step explanation:

Given,

Current bill of company = 22000

Energy usage to decrease = 16%

Amount of decreased usage = 16% of current bill

Amount of decreased usage = $\frac{16}{100}*22000$

Amount of decreased usage = $0.16*22000$

Amount of decreased usage = 3520

Bill after decreased usage = Current bill - Amount of decreased usage

Bill after decreased usage = 22000 - 3520 = 18480

The bill will be 18,480 if they are successful.

Keywords: percentage, subtraction

Learn more about subtraction at:

#LearnwithBrainly

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3 years ago

What is the value of x? (Type an integer or a decimal.)

AfilCa [17]

Answer:

2.8

Step-by-step explanation:

10× X = 7× 4

X = 7×4/10 = 2.8

4 0

3 years ago

7 times what equals 1?

Arturiano [62]

For this case, the first thing we must do is define a variable.
We have then:
x: unknown number
Doing the multiplication we have:
$(7) (x) = 1
$
From here, we clear the value of x.
We have then:
$x = \frac{1}{7} 
$
Therefore, we have:
$(7) ( \frac{1}{7} ) = 1
$
Answer:
7 times 1/7 equals 1

4 0

3 years ago

Read 2 more answers

A singer makes 2% royalties on the sales of her album. Which proportion could be used to determine her sales if she made $44,000

Nikitich [7]

I believe it is the second one :)

8 0

3 years ago

Select the correct answer.

nydimaria [60]

Answer:

It is CD

Step-by-step explanation:

because 300+200=500, juts times it by 3 and divide

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2 years ago