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hardwick744
07.05.2020 •
Mathematics
Kirby ran three-fourths of a half mile and dropped out of the 800 meter race. Her
pace was 12 miles an hour until the point she dropped out of the race. About how
many minutes did she run approximately?
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Ответ:
1.88 minutes
Step-by-step explanation:
This question can be solved using speed, distance and time concept along-with use of computing fractions.
Given
Distance ran by Kirby = 3/4 of half mile
= 3/4 of 1/2 mile = 3/4 * 1/2 mile = 3/8 mile.
Speed of Kirby until she dropped out of race = 12 miles/hour
Formula to calculate time = Distance/Time
substituting value of speed of Kirby and distance covered by Kirby
Time =![(3/8) / 12 = 3/(8*12) = 1/32 \ hour](/tpl/images/0652/3851/6560f.png)
Since one hour has 60 minutes 1/32 hour = (1/32) * 60 minutes = 1.88 minutes
Ответ:
0.2 times
Step-by-step explanation:
Saturn: 8.867 × 108 = 957.636
Uranus: 1.787 × 109 = 194.783
You take (Uranus: 194.783)
& you divide it by (Saturn: 957.636)
You should get a funky number like 0.203399830415732 but since they said approximately you only need to use the first 2 (don't forget to round)
That would make Uranus 0.2 times as far from the sun