Approximately 2 percent of the people in the world have red hair. There are about 7,000,000,000 people in the world.About how many people have red hair?

Answers

Answer 1

Answer: Change 2% to a decimal .02 times 7000000000 = 140,000,000

Answer 2

Answer: 140,000,000 …you know you could just look this stuff up…

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A candle burns down at the rate of 0.6 inches per hour. The original height of the candle was 12 inches.Write a list of 6 ordered pairs to show the height of the candle in inches (y) as a function of time in hours (x) from the first hour after it started burning. For example, the point (0, 12) would represent a height of 12 inches after 0 hours. Explain how you obtained the ordered pairs.
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0.4/0.01=40 how does the quotient relate to divide

Answers

quotient is the answer of the division
0.4/0.01 = 40 x 10 = 4/0.1 = 40 x 10 = 40/1 = 40

Pipe A can fill a swimming pool in 12 h. Working with another Pipe B, it only takes 3h How long would it take Pipe B working alone to fill the pool

Answers

My guess is 9 hours, because since pipe a takes 12 hours and with pipe b it takes 9, it's 12-9=3 I think.

04 W 11, Multiple Representations There are South animals in the Spring ale Zoo That is of African animals in the 209. Written equation you could use to ﬁnd n, the number of African animals in the zoo

Answers

X is the number of African animals.
0.5x - half of the number of African animals.
Accroding to the data:
172=0.5x+45 (172 quantity of South American animals)
172-45=0.5x
127=0.5x
127*2=x
x=254 - the answer

What is the total surface area of a cuboid whose dimensions are 12cm x 8cm x 3cm?

Answers

Answer:

288cm

Step-by-step explanation:

8x3x12=

288 centimeters

11 is what percent of 55

Answers

The number that is 20 percent of 55 is 11.

We have,

To find what percent 11 is of 55, we can set up the following proportion:

11/55 = x/100

To solve for x, we can cross-multiply:

11 x 100 = 55 x x

1100 = 55x

Now we can divide both sides of the equation by 55:

1100/55 = x

Simplifying, we get:

20 = x

Therefore,

11 is 20% of 55.

Learn more about percentages here:

brainly.com/question/11403063

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11 x
55 100
20

11 times 100/55=20

A ribbon is 12 3/8 feet long.Into how many 3/4-foot pieces can it be cut?

Answers

12 3/8 ÷ 3/4

change the mixed fraction to improper....

99 3
__ ÷ __
8 4

now change the sign to a multiplication sign and flip 3/4.

99 4 396
__× __= _____
8 3 24

396/24..... that changes to 16 22/24. Simplify it and it will be 16 11/12.

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The sum of two binomials is 12×^-5x. If one of the binomials is x^-2x, the other binomial is

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Evaluate the expression when a=4, b=−5, and c=−8. (−b)+c=