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Xelga [282]
3 years ago
7

How will you know whether a solution is a percent increase or a percent decrease?

Mathematics
1 answer:
chubhunter [2.5K]3 years ago
6 0

Step-by-step explanation:

First, work out the difference (decrease) between the two numbers you are comparing. Next, divide the decrease by the original number and multiply the answer by 100. If the answer is a negative number, this is a percentage increase.

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The man is pushing with a force of 75 N. The rock is not moving. This is an example of what kind of force?
Oksi-84 [34.3K]
Kinetic energy
Pushing is energy in motion and energy in motion is classified as (KE) kinetic energy
3 0
3 years ago
what number must be added to 3 and 8 so that the ratio of the first number to the second number is equal to 3 :4​
Grace [21]
The answer is 12.
Steps
If that number is x
(3+x)/(8+x)=3/4
"Cross multply"
4(3+x)=3(8+x)
12+4x=24+3x
x=12
To check: add 12 to 3 and 8. 3+12=15 and 8+12=20. 15/20=3/4
3 0
3 years ago
How many degrees has ABC been rotated counterclockwise about the<br> origin?
omeli [17]

Answer:

C

Step-by-step explanation:

It would take 90 degree to rotate clockwise so it will take 360-90=270 degree to rotate counterclockwise

3 0
3 years ago
Read 2 more answers
A hallway is 9 yards how long is the inches in the hallway
Blababa [14]
1 yard=36 inches
9 times 1=9
multiply both sides by 9
9 times 1 yard=9 times 36 inches
9 yard=324 inches
7 0
3 years ago
Read 2 more answers
The Internal Revenue Service estimates that 8% of all taxpayers filling out forms make mistakes. An IRS employee announces at lu
belka [17]

Answer:

Mean = 2

Standard deviation = 1.356

Step-by-step explanation:

We are given;

Probability of taxpayers that make mistakes when filling out forms: p = 0.08

Sample size; n = 25

In binomial distribution;

Means is;

μ = np

Thus;

μ = 25 × 0.08

μ = 2

Formula for standard deviation here is;

σ = √(np(1 - p))

σ = √(25 × 0.08(1 - 0.08))

σ = 1.356

7 0
3 years ago
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