Answer:
Ted
Step-by-step explanation:
Each side should increase by 2x (left & right, and up & down) so that to match the condition :
7+2x)(6+2x) = 45
Solving it will give you: 4x² + 26x - 3
Answer:
1.99
Step-by-step explanation:
We have been given the heights of adult men in America are normally distributed, with a mean of 69.8 inches and a standard deviation of 2.61 inches. We are asked to find the z-score of height of man with 6 feet 3 inches.
We will use z-score formula to solve our given problem.
, where,
z = z-score,
x = Sample score,
= Mean,
= Standard deviation,
6 feet 3 inches = 72+3 inches = 75 inches




Therefore, the z-score for the man with height of 6 feet 3 inches is 1.99.
Answer:
3.30
Step-by-step explanation:
So in the first month your $1000 will earn $1000 * .33% = $3.30.