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VARVARA [1.3K]
3 years ago
10

40% of what number is 15?

Mathematics
2 answers:
Fiesta28 [93]3 years ago
4 0

Answer:

15 is 40% of 37.5

Step-by-step explanation:


Goshia [24]3 years ago
3 0

15 is 40% of 37.5

40

100

× x = 15

Multiplying both sides by 100 and dividing both sides by 40,

we have x = 15 ×

100

40

x = 37.5

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If I was given 50 dollars and they bought 12.00 and 6.50 and 4.50 how much do I owe them
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Is the GCF (greatest common factor) of a pair of numbers ever equal to one of the numbers? Explain why or why not.
FrozenT [24]

Answer:

Yes

Step-by-step explanation:

Yes, that is possible because whenever one number is a factor of the other one, it's their greatest common factor. Here are some examples.

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7 0
3 years ago
The total of a regular polygon's interior angles is 3420°.
DanielleElmas [232]

Step-by-step explanation:

(n-2)×180=3420

180n-360=3420

180n=3420+360

180n=3780

n=3780/180

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that is, the number of sides is 21

to get the size of each exterior angle=

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=17.14°

4 0
2 years ago
Four - fifths of z added to six equals eight
ella [17]
The four-fifths of  a number, in this case, z is four times the number divided by z. That is 4z/5. When we add six to the product and equate the expression to 8, we get,
                                  4z/5 = 8
The value of z from the equation is 10.
4 0
3 years ago
Solve the following system of equations.<br> 2x+y = 3<br> x=2y – 1<br> x=<br> y=
qaws [65]

Answer:

y=1    x=1

Step-by-step explanation:

2x + y = 3

x = 2y - 1  

.

It looks like I could substitute the x=2y-1. Into 2x+y=3

2(2y-1)+y=3

4y-2+y=3

5y=5

y=1

x=2(1)-1

x=1

4 0
3 years ago
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