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3 years ago

If it rained on 3 days out of 20 days, on what percent of the days it rain?

1 answer:

5 0

3 days rained
20 days total
therefore
% of days rained = # of days rained/ days total
% of days rained = 3/20
% of days rained = 0.15 or 15%

thus, % of days rained is 15%

hope this helps :P

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The environmental club has 8 sixth-graders, 11 seventh-graders, and 15 eighth

Tresset [83]

Answer:

1320

Step-by-step explanation:

8 x 11 x 15 = 1320

Hope this helped :)

8 0

3 years ago

Read 2 more answers

Solve for y when x=28<br> x+3y=28

I am Lyosha [343]

Solving for y means to get that variable on one side of the equation and everything else needs to be on the opposite side of y.

We also know x is equal to 28. So, we can replace x with 28.
Now the equation will look something like 28 + 3y = 28

Now let us solve it.

28 + 3y = 28

First, subtract 28 from each side of the equation.

(28 + 3y) - 28 = 28 - 28 =
3y = 0

Now divide each side by 3.

3y / 3 = 0 / 3

y = 0/3

If a fraction has a numerator of 0, that means it's 0.

So, y is equal to 0.

3 0

4 years ago

In a race in which six automobiles are entered and there are not ties, in how many ways can the first four finishers come in?

elixir [45]

your answer would be
6 ways for 1st place
5 ways for 2nd place
4 ways for 3rd place
3 ways for fourth place
and in total there are 360 ways in total.
(6*5*4*3=360)

8 0

3 years ago

Please help with question 20! Thanks<3

kkurt [141]

Answer:

Population of Town A = 19,575

Population of Town B = 52,200

Population of Town C = 20,880

Step-by-step explanation:

The ratio of..

A : B = 3 : 8

B : C = 5 : 2

Both A : B and B : C have B in their ratios. What we can do is make B the same in both ratios and then create a ratio between all three towns.

A : B = (3 : 8) x 5 = 15 : 40

B : C = (5 : 2) x 8 = 40 : 16

A : B : C

15 : 40 : 16

Now, to find the population of each town we can write the following equation using the numbers from our ratio between all three towns and set it to the given population.

15x + 40x + 16x = 92,655

Solve for x.

71x = 92,655

x = 1,305

Finally, we can use the value of x to find the population of each town.

Population of Town A = 15x

Population of Town A = 15(1,305)

Population of Town A = 19,575

Population of Town B = 40x

Population of Town B = 40(1,305)

Population of Town B = 52,200

Population of Town C = 16x

Population of Town C = 16(1,305)

Population of Town C = 20,880

~Hope this helps!~

3 0

4 years ago

Find the value of the expression 2x squared + 3y squared - 17 when x = 3 and y = 4

ser-zykov [4K]

Answer:

the value would be 49

7 0

4 years ago

Read 2 more answers