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Slav-nsk [51]
3 years ago
13

What number is fifteen sixty percent of

Mathematics
1 answer:
djverab [1.8K]3 years ago
6 0
I'm pretty sure it is 25. A method you could use(calculator would be more quicker, but by hand works too) is dividing 15 by sixty percent. To do that, u find the decimal of sixty percent. You would move the decimal point of sixty(the original place of the decimal would be 60.0) two places to the left. Then 60% would become 0.60. But, you could simplify that to 0.6, then you do 15 divided 0.6. You would get 25. If you are doing it by hand, double check the answer by multiplying it with the decimal and you should get the original number(which is 15 in this case). I hope this helped :)
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Helpppppppppppppp pleaseeeeeeeeeeee asappppppp
polet [3.4K]

Answer:

x^2 + 4x-21

Step-by-step explanation:

I believe this is it

8 0
3 years ago
Select the correct answer. Which expression is a prime polynomial?
mars1129 [50]

Answer:

Step-by-step explanation:

"Prime" means that it cannot be factored

A can be factored (its a formula that you memorize)

B can be factored it equals (x - 6)(x + 2)

C can be factor by pulling out the common factor

x(x^3 + 8y^3)

D CANNOT be factored.

Answer the prime polynomial is x^2 - b^3

8 0
3 years ago
Which fraction expresses 36/80 in lowest terms? A: 9/20 B: 18/40 C: 4/5 D: 18/20
mamaluj [8]
A, 9/20 would be the correct answer!

36 divided by 4 = 9

80 divided by 4 = 20

36/80 = 9/20.

Hope this helped!

Please remember to rate/thank/mark as brainliest if you see fit! (:
4 0
3 years ago
Read 2 more answers
​Recently, a random sample of 13-18 year olds was​ asked, "How much do you currently have in​ savings?" The data in the table re
Sonbull [250]

Answer:

μ = 235.38

σ = 234.54

Step-by-step explanation:

Assuming the table is as follows:

\left[\begin{array}{cc}Savings&Frequency\\\$0-\$199&339\\\$200-\$399&86\\\$400-\$599&55\\\$600-\$799&18\\\$800-\$999&11\\\$1000-\$1199&8\\\$1200-\$1399&3\end{array}\right]

This is an example of grouped data, where a range of values is given rather than a single data point.  First, find the total frequency.

n = 339 + 86 + 55 + 18 + 11 + 8 + 3

n = 520

The mean is the expected value using the midpoints of each range.

μ = (339×100 + 86×300 + 55×500 + 18×700 + 11×900 + 8×1100 + 3×1300) / 520

μ = 122400 / 520

μ = 235.38

The variance is:

σ² = [(339×100² + 86×300² + 55×500² + 18×700² + 11×900² + 8×1100² + 3×1300²) − (520×235.38²)] / (520 − 1)

σ² = 55009.7

The standard deviation is:

σ = 234.54

6 0
3 years ago
The value (in cents) of the change in a purse that contains twice as many nickels as pennies, five more dimes than nickels, and
nexus9112 [7]

Value of the pursue in cents: 131p+175

Step-by-step explanation:

Let's call:

p = number of pennies

The problem tells us that the pursue contains twice as many nickels as pennies, so the number of nickels is

n=2p

Also, the pursue contains five more dimes than nickels, so the number of dimes is

d=n+5=2p+5

And finally, the pursue contains as many quarters as dimes and nickels combained, so the number of quarters is

q=d+n=(2p+5)+2p=4p+5

The value of each type of coin is:

Penny: 1 cent

Nickel: 5 cents

Dime: 10 cents

Quarter: 25 cents

So, the total value of the pursue in cents is:

1p+5n+10d+25q

And substituting,

=p+5(2p)+10(2p+5)+25(4p+5)=\\p+10p+20p+50+100p+125=\\131p+175

So, this is the value of the change in the pursue in cents.

Learn more about expressions:

brainly.com/question/7014769

brainly.com/question/11007572

brainly.com/question/11334714

#LearnwithBrainly

8 0
3 years ago
Read 2 more answers
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