A cyclist rides his bike 18 miles per hour what is the speed in minutes? How many miles will the cyclist travel in 10 minutes

Step-by-step explanation:

18 miles60 min

18/60= 0.30 miles/ min

10  minutes   0.30*10=3 miles

3 miles

Step-by-step explanation:

1 per hour = 60 minutes=> (18 x 10)/60 = 3 miles

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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step-by-step explanation: