sebasm4842
11.12.2019 •
Mathematics
Elena went 60 meters in 15 seconds noah went 50 meters in 10 seconds elena and noah both moved at a constant speed .how far did elena go in 1 second
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Ответ:
4 meters
Step-by-step explanation:
About Elena we know that she moves at 60 meters each 15 seconds:
Distance Time
60m → 15s
and we want to know how far she would go in only 1 second:
Distance Time
60m → 15s
x → 1s
where x is the unknown distance, that we calculate as follows: multiply the cross quantities in the table and divide by the other number in the corner.
In one second she will travel 4 meters.
Ответ:
3.0
Step-by-step explanation:
If the ratio is boys to girls, in fraction form (ratio form) that's
When we set up the ratio using the numbers, we have to keep the boy stuff with the boy stuff on top, and the girl stuff with the girl stuff on bottom. So the ratio with the given numbers is
Reducing that down to decimal form, since 12 is divisible by 4 evenly, would be 3.0