The graph shows a fir tree's diameter growth over a 50 year period.

Mathematics

1 answer:

Brilliant_brown [7]4 years ago

6 0

Answer:

The answer is B.) The diameter of the fir tree when planted and 20 inches

Step-by-step explanation:

The y-intercept is the initial diameter of the fir tree (10 inches). At the end of 50 years, the tree's diameter is 30 inches. Therefore, 30 − 10 = 20 inches of growth occurred over the 50 year period. The diameter of the fir tree when planted. The fir tree's diameter was 10 inches when it was planted.

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Three workers sort 66 boxes in a day. One of the workers is three times more productive than the second worker and twice as prod

Lelechka [254]

1 worker $=x$

2 worker $= \frac{worker1}{2}= \frac{x}{3}$

3 worker $= \frac{worker1}{3}= \frac{x}{3}$

so:

$66=x+ \frac{x}{3}+ \frac{x}{2}$

$66=x+\frac{2x}{6}+ \frac{3x}{6}$

$66*6=6x+2x+3x$

$396=11x$

$x=36$

so:

worker $1$ sorted $36$ boxes
worker $2$ sorted $18$ boxes
worker $3$ sorted $12$ boxes