Please can you give me some facts on percentages other than how to work them out???

Answers

Answer 1

Answer: Say your test is out of 100 and you 75 correct to calculate your percent you would go

75/100*100

/ = Divide
* = Times

Answer 2

Answer: percent means parts per hundred.

3% means 3 parts out of 100 parts

obviously decimals and percentages are similar (percentages are just 100 times larger)

to convert a fraction to a decimal, one may do long division or convert the faction to having a denominator of 100

ex) 3/5 100 is 20 times larger than five, so multiply the numerator and denominator by 20 and get 60/100 which is 60 parts per 100 or 60%

this can also be done with 1/6 and other fractions, but it is harder because you have to know how many times larger 100 is which can sometimes defeat the purpose. For 1/6 it is 16.6666666 times larger than 6, so 16.66666666/100 or 16.6666666%

If one has a repeating decimal such as .546 repeating and they wish to convert it to a fraction, all they have to do is divide it by the same number of nines as there are repeating digits. 546/999 is .546 repeating and it reduces to 183/333

if the repeating decimal starts with non-repeating decimals, break it apart into a non-repeating decimal added to a repeating decimal.

.2345345345345345... = .2+ (.345 repeating)/10

= 1/5 + 345/9990
simplify with common denominator
=781/3330

I'm sorry that I couldn't be more helpful, but I thought some random percent knowledge would be better than nothing.

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the cost price of machine is 2,50,000.if the rate of depreciation is 10% per year find the depreciation in price of machine after two years.

Answers

Step-by-step explanation:

cost price= 250000

depreciation= 10%

time or years= 2

depreciation price = cost price× depreciation%

2,50,000×10%

2,50,000×10/100

25,000

then 2 years depreciation = 1 year depreciation price ×number of years

25,000× 2

50,000

therefore depreciation price of machine after 2 years is 50,000

What is the most reasonable estimate for the measure of the angle

Answers

90 degrees or a right angle.

90 degrees or right angle

If a sprinkler water 1/18 of a lawn in 1/3 hour, how much time will it take to water the entire lawn?

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if it waters 1/18 of a lawn in 1/3 hours
then it waters 3/18 or 1/6 of a lawn in 1 hour
then 6 times (1/6) would be the full lawn
so 6 times (1) would be how many hours it would take

so it would take 6 hours

What is 132654 rounded to the nearest hundred thousand

Answers

When rounding, always look to the number directly to the right of the number in the place that must be rounded. If the number is 5 or exceeds 5, change the number in the place that must be rounded to one higher number. If nothing exceeds, keep the number as is and change all other preceding places to 0.

In this case, your hundred thousand place would not change because the 3 next to it does not exceed 5.

Therefore, it will be 100,000

Hope this helps :)

-5(2w+1)=25 how do I solve this problem

Answers

Answer:

Step-by-step explanation:

Divide by - 5

-5(2w + 1) / - 5 = 25 / - 5

2w + 1 = - 5

Subtract 1 from both sides.

2w + 1 - 1 = - 5 - 1

2w = - 6

Divide by 2

2w/2 = -6/2

w = - 3

-5(2w+1)=25

Multiply both sides by -5

(-5)(2w)=-10w

(-5)(1)=-5

-10w-5=25

Move -5 to the other side. Sign changes from -5 to +5.

-10w-5+5=25+5

-10w=30

Divide by -10 for both sides

-10w/-10=30/-10

w=-3

Answer: w=-3

You are a member of a darts team and they have won $1750 prize money in a competition. $70 is to be saved for a celebration party; the remainder is to be divided equally between the 14 team members.How much will you get?

Answers

1750 - 70 = 1680
1680 / 14 = 120

Answer : $120.

I believe the answer is 120 since I was able tot check on a calculator

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