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Murrr4er [49]
3 years ago
13

1. It took Joseph 10 days, 21 hours, and 30 minutes to get from San Diego to Boston. How many hours did it take him? Show your w

ork using the proper conversion factors.
2. A certain plant can grow up to 0.6 ft per day.

a) How fast in inches per day can the plant grow?



b) How fast in inches per hour can the plant grow?
Mathematics
1 answer:
RUDIKE [14]3 years ago
4 0
1) cf= 24 hours/1 day, 1 hour/60 minutes
30 x 1/60 = .5
10 x 24/1 = 240
240 + .5 = 240.5 hours

2) cf = 24 hours/1 day, 60 minutes/1 hour, 12 inches/1 foot
    a) 0.6 x 12/1 = 7.2 inches
    b) 7.2 x 1/24 = 0.3 inches per hour
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It has to be (8, 9) because that would put the 4th corner above (8, 7) and right of (2, 9).
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What is the variable in the expression below?<br><br><br> 9.X
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The variable in that expression is x

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Brett painted three walls. Each wall was 9 ft tall and 12 ft long. How much wall area did he paint
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Answer:

First we need to calculate the are of each wall, since we alredy knew the length (l) and the width (w) which is the height of the wall in this case:

A = wl = 9 . 12 = 108 (ft²)

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0.95

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2 years ago
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This is an excellent practice for the solution of quadratic equations.

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2*18=36  => (2,18)
3*12=36  => (3,12)
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6*6=36   => (6,6)
9*4=36   => (9,4)
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36*1=36  => (36,1)

We can see that the sum decreases until the two factors are close (or equal) and then increases again.

The pair of integers with a sum of 20 is therefore (2,18) or (18,2).
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3 years ago
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