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nevsk [136]
3 years ago
13

85 out of 200 workers in a building arrive at 8:00 a.m. What percent of workers in the building do NOT arrive at 8:00 a.m.?

Mathematics
1 answer:
fiasKO [112]3 years ago
8 0

Answer:

57.5 %

Step-by-step explanation:

First find out the number of workers that do not arrive by 8 am

200 -85 = 115

Take this number divided by the total

115/200 = .575

Change to percent form

57.5 %

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After breaking your penny bank, you notice that you have $4.87 in quarters ($0.25), dimes ($0.10), nickels ($0.05), and pennies
ira [324]

Answer: Option 'c' is correct.

Step-by-step explanation:

Let the number of dimes  be 'x'.

Let the number of nickels  be '\dfrac{3}{2}x'.

Let the number of pennies be \dfrac{3}{2}\times 2x=3x

Let the number of quarters be '3x-34'.

As we know that

1 quarter = $0.25

1 dime = $0.10

1 nickel = $0.05

1 penny = $0.01

According to question, we get that

0.10x+0.05\times \dfrac{3x}{2}+0.01\times 3x+0.25(3x-34)=4.87\\\\0.10x+0.075x+0.03x+0.75x-8.5=4.87\\\\\\0.955x=4.87+8.5\\\\0.955x=13.37\\\\x=\dfrac{13.37}{0.955}\\\\x=14

So, the number of pennies is given by

3x=3\times 14=42

Hence, Option 'c' is correct.

3 0
3 years ago
Select the correct answer.
marusya05 [52]
Well i havent read the story but from context clues id say its B
6 0
1 year ago
Help me simplify this question for me
Gnoma [55]
The answer is y= -4/7x+2

explanation
1. subtract 4x from both sides
2. divide every term by 7
4 0
3 years ago
Read 2 more answers
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Kay [80]

What is the question. Is it asking for a picture of a line. Is it making a statement? Asking for a slope?

4 0
3 years ago
Given tantheta = 4/3 and pi < theta < 3pi/2; find cos2theta
Sidana [21]

Answer:

d. -7/25

Step-by-step explanation:

π<θ<3π/2  in third quadrant

tanθ = 4/3

sinθ = - 4/5

cosθ = - 3/5

cos 2θ = cos²θ - sin²θ = (- 3/5)² - (- 4/5)² = 9/25 - 16/25 = - 7/25

8 0
3 years ago
Read 2 more answers
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