2 years ago

Which is the fastest? [1 mile = 5280 ft; 1 meter is approximately 39 inches]

Mathematics

2 answers:

inna [77]2 years ago

8 0

Obviously 15 yards per second would be the answer

Ket [755]2 years ago

3 0

I believe the answer is <span>D) 15 yards per second
</span>
let's convert all of them into meter/hour

2 meters/minute = 120 meter/hour

6 miles/hour = 6x1609.34/hour = 9656.06 meter/hour

10 feet per second = 36000feet/hour = 1097.28 meter/hour

15 yards per second = 54000 yards /hour = 49377.6 metr/hour >>>> Fastest

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In triangle EFG , EF=FG . EF= 6X-10 , EG =2X+14, and FG =3X+11. find EF .

jarptica [38.1K]

Since EF=FG, you can set 6x - 10 = to 3x + 11

$6x -10 = 3x +11$

Then add like terms

$6x - 3x = 11+10$

so, $3x = 21$

Now you can divide by 3 to get $x = 7$ :)

then put it back into $6x - 10$

$6(7) - 10 = EF$

so, $EF = 32$