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swat32
3 years ago
12

Which is the best estimate of the mass of a skateboard

Mathematics
1 answer:
LekaFEV [45]3 years ago
8 0
Probably B, 3 kilograms. Since grams are too small, and liters isn’t measuring mass, kilograms is the best choice.
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Parallel lines s and t are cut by a transversal, r, as shown
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Answer:

18

Step-by-step explanation:

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<h3>Total snow fall for three days is 8.75 inches</h3>

<em><u>Solution:</u></em>

Given that,

Snow fell over the past three days

First\ day = 3\frac{2}{4}\ inches = \frac{14}{4}\ inches\\\\Second\ day = 3\frac{2}{4}\ inches = \frac{14}{4}\ inches\\\\Third\ day = 1\frac{3}{4}\ inches = \frac{7}{4}\ inches

<em><u>What was the total snowfall for the three days?</u></em>

Total snowfall = first day + second day + third day

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5 0
3 years ago
A freight train leaves a station and travels north at 60 mph. 4 hours ​later, a passenger train leaves on a parallel track and t
harkovskaia [24]

Answer:

first do:

60mph * 4 hours= 240mi

Let D = the distance the passenger train has to  

travel to catch the freight train

Start a stopwatch when the passenger train leaves

Let t = the time on the stopwatch when they meet

Equation for freight train:

d-240=60t

Equation for passenger train:

d=100t

all together:

100t-240=60t

we can do 100t-60t because they both have (t)= 40t

40t=240 *now divide 240 by 40= 6

THEN do:

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They will meet 600 mi from the station

to check:

d-240=60t x 6

600-240= 360

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360=360

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Answer:

$20 +$2n

Step-by-step explanation:

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3 years ago
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