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Viefleur [7K]
3 years ago
12

I don't understand this, please explain how.

Mathematics
1 answer:
masha68 [24]3 years ago
5 0
First find the volume of the pool. To do so, multiply the length, times the width, times the height. In this case, it would be 12*15*5 and you get 900 cubic meters.
If the pool is being filled with 36 cubic meters of water per hour, you divide 900 by 36. You get 25 hours.
To check your work, multiply 25 hours and 36 cubic meters of water. You get 900 cubic meters, which is the area of the pool meaning it is full.
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Find the missing measure. x°<br> 65°
g100num [7]
It is the right triangle so add up to 90
==> 90-65 = 25
8 0
3 years ago
Read 2 more answers
when the square of one number is subtracted from the square of another number, the difference is 1 less than the square of 9. fi
Dmitry_Shevchenko [17]
There's not enough information given to find a definite solution for the two numbers. Instead there will be many solutions. Two variable problems require either a second equation, a value for one of the variables or a relation given between them. (like if they're consecutive integers or one is twice the other)

So, what you can do is write out the equation and "guess and test" till you find two integers that work.

x^2 - y^2 = 9^2 - 1

x^2 - y^2 = 80

y = sqrt( x^2 - 80)

putting in integer values for x starting at 9.

1 = sqrt(81 - 80)
(9, 1) works likewise so would (-9,1) (-9,-1) as well as (12, 8)
4 0
3 years ago
Three stocks have share prices of $12, $75, and $30 with total market values of $400 million, $350 million and $150 million resp
IrinaVladis [17]

Answer:

B. 39

Step-by-step explanation:

The total market share values of the stocks does not influence on the price-weighted index, as the index is simply obtained by the sum of all share prices divided by the number of different stocks. The price-weighted index of the three stocks  is:

I=\frac{\$12+\$75+\$30}{3}\\I=\$39

The answer is alternative B. 39.

6 0
3 years ago
What is the equation: 5w-9=26
blagie [28]

First, add nine on both sides of the equal sign. Adding nine cancels the -9 out, whereas it changes 26 to 35.

Our current equation is 5w=35

Then divide by 5 on both sides, it has the same effect.

The answer to the equation is w=7

Hope this helps!

7 0
3 years ago
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Can you plz help me on these easy questions
pochemuha
1. A
2. C
3. B

Hope I helped! :)
6 0
3 years ago
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