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
A boy goes to sea a film and finds a man who is his relative. the man is the husband o fhe sister of his mother. How is the man related to the boy?
A Uncle
B Brother
C Nephew
D Brother in Law
Cartoonist Schulz as a boy was teased by others for being small and not very good at sports, and art. He had few friends and was too shy to talk to a red-haired girl be admired. Later in life, schulz used his childhood experiences in his successful comic strip Peanuts : the strip's main character, the sad and lonely Charlie Brown, represents Shulz as a little boy. What is the main idea of the passage?
A Peanuts was the most widely read comic strip
B Schulz was a very famous cartoonist.
C Schulz turned the pain of his youth into success
D Peanuts featured children as its only characters
Expert says 25% of of serious bicycle accidents involved head injury and that of all head injuries 80% are fatal. What percentage of serious bicycle accidents involve fatal head injuries?
A 16%
B 20%
C 55%
D 105%
Experts say that 25% of all serious bicycle accidents involve head injuries and of all such head injuries, 80% are fatal. What percentage of all serious bicycle accidents involve fatal head injuries?
A 6%
B 20%
C 55%
D 105%
When they had a meeting seven company executives __ T, U, V, W, X, Y and Z ___ sit at a rectangular table .Three executives sit along one side of the table , and three sit along the other side, each directly opposite one of the other three. The seventh sits at the head of the table . There is no seat at the foot of the table . Ualways sits in one of te two seats farthest from the head of the table. Y and V always sit next to each other .V never sits next to Z . If Z does not sit at the head of the table, W sits there. If W sits directly opposite T, X must sit next to which of the following excutives?
A T
B U
C V
D Z
If Hg is the gross or total head and hf is the head lost due to friction, then net or effective head (H) is given by
A $${\text{H}} = \frac{{{\text{Hg}}}}{{{\text{hf}}}}$$
B H = Hg × hf
C H = Hg + hf
D H = Hg - hf
The static head of a centrifugal pump is equal to the _________ of suction head and delivery head.
A Product
B Difference
C Sum
D None of these

Next steps