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Ray Of Light [21]
3 years ago
15

PLEASE HELP! What is the value of X?

Mathematics
1 answer:
Dovator [93]3 years ago
4 0
The answer is 2(x+5) 
 no doubt

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The population in a small city increased from 1250 people to 2780 people. What is the percent of increase in the number of peopl
Zarrin [17]
<h3>Answer: Choice B) 122%</h3>

==========================================

Work Shown:

A = 1250 is the initial amount

B = 2780 is the new amount

C = percent change = unknown for now

The formula to use is

C = [ (B-A)/A ] * 100

to calculate the percent change.

Basically we calculate the change (B-A) first and then divide that over the original amount A to compute the decimal form of the answer, which is then converted over to percentage form. The "100" tacked on at the end is what converts from decimal to percent form.

---------

C = [ (B-A)/A ] * 100

C = [ (2780 - 1250)/1250 ] * 100

C = (1530/1250)*100

C = 1.224 * 100

C = 122.4%

C = 122%

---------

The positive C value indicates we have a percent increase. If C were negative, then we'd have a percent decrease.

6 0
2 years ago
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Find the volume of the solid<br><br><br><br> The problem is in the picture!!!!!!!!!
Anna35 [415]
The answer will be C. In the picture you will see 2144 which is the answer.

3 0
3 years ago
Find the perimeter and area
stiks02 [169]

Answer:

The area is 63a

The perimeter is 39b

Step-by-step explanation:

8 0
3 years ago
Find the number of steel ball bearings, each of diameter 0.7 cm, that can be made from 1kg of steel, given that 1cm cubed of ste
dimulka [17.4K]

Answer:

Ball Bearing Volume = (4 / 3) * PI * radius ^3

Volume = (4 / 3) * 3.14159265 * (.35)^3

Volume = (4 / 3) * 3.14159265 * 0.042875

Volume = 0.17959438 cc

1 cc of steel = 7.8 g

Volume of 1 kg of steel = 1,000 cc / 7.8 g per cc

1 kg = 128.205 cc

Number of ball bearings we can make = 128.205 / 0.17959438

Equals 713.86

Step-by-step explanation:

7 0
3 years ago
What combination of transformations is shown below ?
Sloan [31]

Answer:

Translation then Reflection

Step-by-step explanation:

Step 1 to 2 is Translation

Step 2 to 3 is Reflection

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3 years ago
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