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lesantik [10]
2 years ago
5

The water level in a plastic pool changed by -8 gallons each hour due to small hole in the bottom after 6 hours the pool contain

ed 132 gallons how much water was in the pool originally
Mathematics
1 answer:
oee [108]2 years ago
7 0

Answer:

180

Step-by-step explanation:

When you multiply the about lost per hour by the amount of time, you get the amount lost total.

6*8=48

then you add that to the amount in the pool now, and you have the original amount.

You might be interested in
Write 0.088 as a fraction in simplest form.
Artist 52 [7]

Answer:

11/125

Step-by-step explanation:

0.088

= 88 x 0.001

= 88 x (1/1000)

= 88/1000  (divide top and bottom by 8)

= 11/125 (simplest form)

5 0
3 years ago
Mrs. Simpson drove 105 miles in 2 1/2 hours. What was Mrs. Simpson's average speed in miles per hour?
harkovskaia [24]
105 m = 2.5 h
 
x miles = 1 hour

You cross multiply since it's a proportion:
2.5 * x
105 * 1

=

2.5x = 105

Then you divide everything by 2.5

The answer is 42




5 0
3 years ago
Read 2 more answers
PLZ CAN SOMEONE ANSWER THIS !!
Cerrena [4.2K]

Answer:

(-4,2)

Step-by-step explanation:

First we have to find a common multiple to use to add and find the system of equations. We need to eliminate one of the variables in order to solve.

Since 5 * 3 = 15, and 3 * -5 = 15, -15x and 15x will cancel each other out. Therefore x will be eliminated.

Before:

5x + 2y = -16

3x + 7y = 2

After:

15x + 6y = -48   <----------Now we solve for y

-15x + -35y = -10

+----------------------

-29y = -58

-29      -29

y = 2

Now what we do is we choose and equation and solve for x, since it is still unknown. Any equation is fine but I will choose the second one since it has easy numbers.

3x + 7y = 2

3x + 7(2) = 2

3x + 14 = 2

   -14     -14

----------------------

3x = -12

3        3

x = -4

Therefore our final answer is (-4,2)

5 0
3 years ago
If a number is divisible by 3 and 5 then it is divisible by 15
koban [17]

Answer:

Yes!

Step-by-step explanation:

Besides 15 and one, 3 and 5 are the greatest common factors of 15. Those numbers are therefore divisible by any product of 15.

Example:

45

45/3 = 15

45/5 = 9

45/15 = 3

6 0
2 years ago
Read 2 more answers
Noah is ordering a taxi from an online taxi service. The taxi charges $2.50 just for the pickup and then an additional $2 per mi
d1i1m1o1n [39]

Answer:

$10.50

Step-by-step explanation:

We can make an equation

2.50+2x=?

x=4 because we are riding 4 miles.

so it's 2.5+2*4=?

let's solve

2.5+8=$10.50

8 0
2 years ago
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