Only thing I can tell you is to use a corner to a piece of paper. The corner is 90 degrees. It's acute if the corner is bigger than the angle. Obtuse if its smaller.
Both the heads and tails will have a probability of 0.5 with a fair coin. ... TO find probability that foe the 7th toss head appears exactly 4 times.
Answer:
x³-2x²-22x-21
Step-by-step explanation:
(x+3) (x²-5x-7)
x³-5x²-7x+3x²-15x-21
x³-2x²-22x-21
The answer is the option A.
dy dy dx
---- = ------- . -------
dt dx dt
dy
---- = 9x^2 + 6
dx
dx
---- = 4t + 1
dt
=> dy / dt = (9x^2 + 6) (4t + 1)
4y is your answer because ffor is the mathmatical term for multiplying in any word problem.