Question
In triangle abc angle bca is 90degree q is the mid point of bc .pt bc^2=4(aq^2-ac^2)
n a certain test, there are n question. In the test, 2n−i students gave wrong answers to at least i questions, where i=1,2,.............,n if the total number of wrong answers given is 2047, then n is equal to a. 10 b. 11 c. 12 d. 13
determine the value of x for which the following function are strictly increasing or decreasing f(x)=5x^3/2-3x5/2 (x>0)
A river is flowing south to north at a speed of 5 m/m.A man on the west bank of the river capable swimming 10m/m in still water, he want to swim across the river at the shortest time in what direction should he swim.
solve the exercise 5 Q#6 given on page 66 new countdown 8 second edition in the notebook
Maths
Aug. 1, 2019, 9:17 p.m.
Answer
A bag contains 4 cards number 1 3 5 and 7 respectively another back to container three cards number 2
4 and 6 respectively a card is drawn at random from each bag find the probability that the sum of the card drawn is 9
4 and 6 respectively a card is drawn at random from each bag find the probability that the sum of the card drawn is 9
An army contingent of 616 members is to march behind an army band of 32 members in a parade. The two groups are to march in the same number of columns. What is the maximum number of columns in which they can march?