Answer:
40.5 seconds if it is 1:21 minutes
Step-by-step explanation:
60 seconds per minute plus 21 seconds is 81 seconds. Half of 80 is 40, half of 1 is 0.5. Together it is 40.5 seconds for half of 1:21 minutes.
Answer:
The transformation is (x-2, y-1).
Step-by-step explanation:
Every point of this shape moved 2 to the left and one down. This gives us the following transformation of (x-2, y-1).
Answer:
x = 5 /2 , y = 9 / 8
Step-by-step explanation:
x = 4y - 2 ....... (i)
x + 4y =7 ....... (ii)
Substituting eqn (i) into eqn (ii);
(4y - 2 ) + 4y = 7
4y - 2 + 4y = 7
8y = 7 + 2 = 9
y = 9 / 8
substitute y = 9 / 8 in eqn (i)
x = 4 (9 / 8) - 2
x = 9 / 2 - 2
x = (9 - 4 ) / 2
x = 5 / 2
Answer: The probability distribution for the number of cells in the third generation is a Binomial distribution.
Step-by-step explanation:
We use binomial distribution when we have repeated process and the outcome is either a success or a failure.
The probability of success. P ( probability of dying). The probability of failure q ( probability of splitting into two).
The formula for binomial distribution is : n combination x multiplied by p raised to power x multiplied by q raised to power n-x.
Answer:
t = 5 s
Step-by-step explanation:
The function that gives the height in feet of the ball t seconds after it is thrown is :
We need to find how long will it be before the ball hits the ground. When it hits the ground, its height will be equal to 0.
So,
We need to solve this equation. When we solve, we get its solution as shown in the figure. We can see that t = -2 s and t = 5 s.
t = -2 s is not possible.
Hence, the ball will hit the ground before 5 seconds.
