Idk if this really helps, but I put them into Desmos (free graphing thing) and this popped up
A publisher prints 1,512 copies of a book in each print run. If they print 305 runs, how many books will be printed?
2 answers:
Answer:
Step-by-step explanation:
According to the exercise, the number of copies of a book printed in each run is:
Then, let be "x" the number of the number of books that will be printed in 305 runs.
In order to calculate the value of "x", you must multiply 1,512 (which is the number of copies of a book printed in each print run) by 305.
Therefore, you get that the number of books that will printed in 305 runs is:
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The two containers hold 328 ounces at the they hold same amount of water.
<u>Step-by-step explanation:</u>
The equations below model the ounces of water, y, in each container after x minutes.
At the time after the start when the containers hold the same amount of water, the two equations must be equal.
⇒
The first step is to divide everything by 2 to make it simplified.
⇒
Now put everything on the left .
Add the like terms together to further reduce the equation
Factorizing the equation to find the roots of the equation.
Here, b = -12 and c = -28
where,
- b is the sum of the roots ⇒ -14 + 2 = -12
- c is the product of the roots ⇒ -14 × 2 = -28
- Therefore, (x-14) (x+2) = 0
- The solution is x = -2 or x = 14
Take x = 14 and substitute in any of the given two equations,
⇒
⇒
⇒ 328 ounces
∴ The two containers hold 328 ounces at the they hold same amount of water.