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4 years ago

Help me please thanks:)))

Mathematics

1 answer:

yaroslaw [1]4 years ago

3 0

125 = 5 * 5 * 5 = 5³

90 = 2 * 3 * 3 * 5 = 2 * 3² * 5

92 = 2 * 2 * 23 = 2² * 23

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At Southside Middle School, 20% of the students play an instrument. There are 305 students. How many students play an instrument

Vlad1618 [11]

Answer:

61 students

Step-by-step explanation:

When finding the percentage of a number, you can simply cross multiply and divide:

we can remove the percentage symbol…

$20*305=\\ 6100$

Now 6100 divided by 100 is:

hope this helps!

8 0

3 years ago

if a bag contains 400 coins,and 33 1 over 2 are nickels, how many nickels are there what percent of the coins are not nickels

iren2701 [21]

Assuming the number is 331/2, or 331 over 2:
331/2 = 165.5 ÷ 400 = .4138 x 100% = 41.38%
100% - 41.38% = 58.62% not nickels

If the number is 33 1/2, or 33 and one half
33 1/2 = 67.5 ÷ 400 = 0.0838 x 100% = 8.38%
100% - 8.38% = 91.62% not nickels

6 0

4 years ago

Read 2 more answers

for the simple harmonic motion equation d = 9cos(pi/2)(t), what is the maximum displacement from the equilibrium position ?

belka [17]

Answer:

The maximum displacement from the equilibrium position is 9

Step-by-step explanation:

We are given

equation for the simple harmonic motion equation

$y=9cos(\frac{\pi}{2}t)$

we can use trig formula

$y=Acos(Bt)$

The maximum value of this equation is always A

So, firstly, we will compare and find A

A=9

so,

The maximum displacement from the equilibrium position is 9

8 0

3 years ago

Read 2 more answers

Find the surface area of a square pyramid base 11cm slant height 14cm

vovangra [49]

1111111671t141wq154117878899

7 0

4 years ago

In 2011 Clayton Kershaw earned $500,000 pitching for the LA Dodgers. In 2019, his salary was $31,000,000. Answer the three parts

zvonat [6]

Answer:

A. $15,625 per game

B. $1,107,142.86 per game

C. he earned $607,142.86 more per game in 2019 than he did for the entire 2011 season

Step-by-step explanation:

His salary in 2011 = $500,000

His salary in 2019 = $31,000,000

A) Kershaw pitched in 32 games in 2011. What was his salary per game in 2011?

Kershaw's salary per game = Total salary / Total number of games

= $500,000 / 32 games

= $15,625 per game

B) He pitched in 28 games in 2019. What was his salary per game in 2019? Round to the nearest cent.

Kershaw's salary per game = Total salary / Total number of games

= $31,000,000 / 28 games

= $1,107,142.8571428

To the nearest cents

= $1,107,142.86 per game

C) Did he earn more per game in 2019 than he did for the entire 2011 season?

$1,107,142.86 per game - $500,000

= $607,142.86

Yes, he earned $607,142.86 more per game in 2019 than he did for the entire 2011 season

7 0

4 years ago