Related Questions

h = 3a + 28.6 A pediatrician uses the model above to estimate the height h of a boy, in inches, in terms of the boy’s age a, in years, between the ages of 2 and 5. Based on the model, what is the estimated increase, in inches, of a boy’s height each year?
A 7.5
B 10
C 3
D 5
স্থির পানির উপর ভাসমান নৌকা হতে একজন বালক অনুভূমিক দিকে লাফ দিয়ে তীরে পৌঁছাল। নৌকার এবং বালকের ভর যথাক্রমে 200 kg এবং 50kg। বালকের বেগ 20 m/s হলে, নৌকার পশ্চাৎ বেগ কত? (A boy jumps horizontally from a boat floating on stationary water and reaches the shore. The mass of the boat and the boy are 200 kg and 50 kg respectively. If the velocity of the boy is 20 m/s, what is the recoil velocity of the boat?)
A 5.0 m/s
B 7.5 m/s
C 9.0 m/s
D 6.5 m/s
Three boys agree to divide a bag of marbles in the following manner. The first boy takes one more than half the marbles. The second takes a third of the number remaining. The third boy finds that he is left with twice as many marbles as the second boy. The original number of marbles is-
A 38
B 36
C 32
D Cannot be determined
Three boys have marbles in the ratio of 19 : 5 : 3. If the boy with the least number has 9 marbles, how many marbles does the boy with the highest number have?
A 57
B 15
C 76
D 38
Three boys have marbles in the ratio of 19:5:3 . If the boy with the least number of marbles has 9 marbles, how many marbles does the boy with the greatest number have ?
A 57
B 15
C 76
D 38
The average age of 6men, 8women and 1 young boy is 35 years. What is the age of the boy,if the average age of the men is 40 and that of the women is 34?
A 10
B 11
C 12
D 13
Three boys have marbles in the ration of 19:5:3. If the boy with the least number has 9 marbles, how many marbles does the boy with the highest number have?
A 57
B 15
C 76
D 38
Three boys have marbles in the ratio of 19: 5: 3 If the boy with the least number has 9 marbles, how many marbles does the boy with the greatest number have?
A 57
B 33
C 27
D 81
Threee boys have marbles in the ratio of 19:5:3. If the boy with the least number has 9 marbles, how many marbles does the boy with the highest number have?
A 57
B 15
C 76
D 38
Three boys have marbles in the rotio of 19 : 5 : 3 If the boy with the least number has 9 marbles , how many marbles does the boy with the highest number have?
A 57
B 15
C 76
D 38

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