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Evgen [1.6K]
3 years ago
6

28.

Mathematics
1 answer:
Artyom0805 [142]3 years ago
7 0

Answer:

50

Step-by-step explanation:

30% * n = 15

Change to decimal form

.30 *n = 15

Divide each side by .30

.30n/.30 = 15/.30

n =50

The number is 50

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15 is 9 more than j translate one step equations and solve
Sonbull [250]

Step-by-step explanation:

J=15-9

J=6

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3 years ago
It is twice as far from (3,0) as it is from the y axis
DIA [1.3K]
(3,6). 3 units from point. 6 units from y axis. 
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Naddika [18.5K]

Answer:

x = 101°

Step-by-step explanation:

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3 0
3 years ago
Eight is added to a number and the sum is doubled, the result is -11 less than the number. Find
inna [77]
If you don’t know what a number is, you should substitute it for x and make an equation with the information you have been given. This gives:

(x + 8) x 2 = x - 11

Then, solve:

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x = -27

This can then be checked by using the number in the original text.

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Hope this helps :)
3 0
3 years ago
Help Please . its due in 5 hours and i cant find answers
dolphi86 [110]

Answer:

39 pi cubic inches

Step-by-step explanation:

The volume of a cone is (1/3)(area of the base)(height).

V=\frac{1}{3}Bh

Find the area of the circular base.  The circumference of a circle is C=2\pi r, so

2\pi r = 6\pi\\\\r=3

Now that you know the radius of the circular base, you can find its area:

A=\pi r^2 = \pi(3^2)=9\pi

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V=\frac{1}{3}Bh\\\\V=\frac{1}{3}(9\pi)(13)\\\\V=39\pi

6 0
3 years ago
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