Victoria and margaret are 625 miles apart and traveling straight toward each other. if victoria’s speed is 55 mph and margaret’s speed is 70 mph, how many hours will it be before the two meet?

Answer :

Since Victoria and Margaret are moving in opposite directions therefore their velocities add up , hence relative velocity of approach = 55+70 = 125 mph

Distance = 625 miles

Hence velocity = distance / time

or time = distance / velocity

or time = 625 miles / 125 miles per hour = 5 hours

Hope this helps you

we know that

applying the law of sines

°

so

∠j=18°

∠k=29°

∠l=180-(18+29)=133°

the answer part a) is

the measure of angle k is  ≈29°

part b)  the measure of angle k could also be

(180-29)=151°

so

∠j=18°

∠k=151°

∠l=180-(18+151)=11°

the answer part b) is

the measure of angle k could also be 151°

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