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AlekseyPX
3 years ago
12

How do you learn pi? What is it used for? Please be specific when explaining.

Mathematics
1 answer:
Ugo [173]3 years ago
4 0

Answer:

just memorize the numbers in pi, I know the first like 4 numbers. 3.1415

Step-by-step explanation:

it is used for calculating the area of circles.

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An employee receives a pay increase from $35,000 per year to $37,500 per year. Calculate the percent increase. Round to the near
arsen [322]

Answer:

The percentage increase in salary of employee is 7.14 %  

Step-by-step explanation:

Given as :

The initial pay of employee = $35,000 per year

The increase pay of employee = $37,500 per year

Let The percentage increase in salary =  X %

So, X  = \frac{increase salary - initial salary}{initial salary}  × 100

Or, X  = \frac{$37,500 - $35,000}{$35,000}  × 100

Or,  X  = \frac{$2,500}{$35,000}  × 100

∴     X = 0.0714  × 100  = 7.14 %

Hence The percentage increase in salary of employee is 7.14 %   Answer

8 0
3 years ago
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Simplify the expressions by combining like terms<br><br> 4r + 9r - 11r + 7r
konstantin123 [22]
9r
Explanation:
4r + 9r = 13r
13r-11r = 2r
2r + 7r = 9r
4 0
3 years ago
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What is the formula for area of a circle? 100 points
wel

Hello!

The formula for the area of a circle is:

A = \pi x r²

6 0
3 years ago
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There is a bus for every 32 students on a field trip. There are 96 on the field trip. How many buses are needed?
Masja [62]

Answer:

3 buses are needed.

Step-by-step explanation:

96/32=3

3 buses

➴Hope this helps! :)

➳CloutAnswers

5 0
3 years ago
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rosa is saving money for a trip. she has already saved $250 and plans to save $40 per week. this situation can be represented by
malfutka [58]

Rosa has saved $490 in 6 weeks.

To find the answer to this, simply plug the number of weeks in for the value of x and solve.

f(x) = 250 + 40x

f(6) = 250 + 40(6)

f(6) = 250 + 240

f(6) = 490

5 0
3 years ago
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