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34kurt
3 years ago
14

The temperature rose from 40°F to 60°F. What was the percent of increase?

Mathematics
1 answer:
Firlakuza [10]3 years ago
8 0

Answer: The percent of increase is 150%

Explanation: to find the percent of increase you take the increase and compare it to the original. You compare 60 to 40 or in other owrds you make a fraction:

60/40 = 6/4 = 1.5

1.5 = 150%

The increase is by 150%

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I need to find the area of the shaded region, can anyone explain how to do it? ​
vesna_86 [32]

Answer:

Step-by-step explanation:

JM is a diameter. 1/2 JM is the radius. 1/2 10 = 5

The radius is 5

The above statement is true if N is the center.

The semi circle has an area of pi r^2/2 = 5^2/2 * pi = 25/2 * pi

12.5 pi

The area of the other part is

(58/360) * pi * r^2 =

0.161 * pi * 5^2

0.161 * pi * 25

4.03 * pi

Now add these two parts together.

12.5pi + 4.03= 16.53 * pi.

That's one possible answer.

Another would be 16.53 * 3.14 = 51.897

If you have choices, list them.

5 0
3 years ago
Match each description with its symbolic representation. 1. P (A) The probability that both events A and B do not occur together
IgorLugansk [536]

Step-by-step explanation:

The answer is attached.

3 0
2 years ago
If the value of x is 3, then what is the value of 2-8x+4x+4
Veronika [31]
Hey there,
2 - 8x + 4x + 4
2 - 8(3) + 4(3) + 4
2 - 24 + 12 + 4
-6

Hope this helps :))

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5 0
3 years ago
The population of algae in an experiment has been increasing by 5% each day. If there were 5p algae at the beginning of the expe
Ostrovityanka [42]

Answer:

Number of algae in 7 days = 70.355

Step-by-step explanation:

Given:

Algae in beginning = 50

Rate of increasing = 5% per day = 0.05

Number of days = 7 days

Find:

Number of algae in 7 days.

Computation:

Number\ of\ algae\ in\ 7\ days = Algae\ in\ beginning(1+Rate\ of\ increasing)^{Number\ of\ days}\\\\Number\ of\ algae\ in\ 7\ days = 50(1+0.05)^7\\\\Number\ of\ algae\ in\ 7\ days = 70.355

Number of algae in 7 days = 70.355

4 0
3 years ago
A number divided by four is at most 6. Which choice is correct??
andre [41]
C because that sign means lesser than or equal to 6
3 0
3 years ago
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