3 years ago

A student is trying to solve the system of two equations given below:

1 answer:

erik [133]3 years ago

5 0

Answer:

sorry I didn't know.........

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Virty [35]

The number of large boxes is 4 and the number of small boxes is 14.

<u><em>Explanation</em></u>

Suppose, the number of large boxes is $x$ and the number of small boxes is $y$

As, the total number of boxes is 18, so the first equation is....

$x+y= 18 .......................................(1)$

The large boxes hold 35 books, and the small ones hold 20 books and the total number of books is 420. So the second equation will be .....

$35x+20y=420................................(2)$

Now solving equation (1) for $y$ itself , we will get....

$y= 18-x$

We will plug this $y= 18-x$ into equation (2). So.....

$35x+20(18-x)=420\\ \\ 35x+360-20x=420\\ \\ 15x= 420-360\\ \\ 15x=60\\ \\ x= \frac{60}{15}=4$

Now plugging this $x=4$ into the equation $y= 18-x$ .......

$y= 18-4= 14$

Thus, the number of large boxes is 4 and the number of small boxes is 14.

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3 years ago

dimaraw [331]

He can shoot 6 because at this point we are diving 72 divided by 12 equals 6 hope it helps

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3 years ago

Bess [88]

Y=mx+b is what I learned and point slope is y-y1=m*x-x1

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3 years ago

kari74 [83]

A: 18 divided by 3/4

B:13-14 games. Hope this helped!

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sweet [91]

900 gallons because 300 is burned every hour so 300 x 3 hours is 900

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4 years ago