Answer:
1.5
Step-by-step explanation:
Applying,
Z = (x-μ)/σ................. Equation 1
Where Z = Z score for a height of 67 inches, x = height, μ = mean of the height, σ = standard deviation of the height.
From the question,
Given: x = 67 inches, μ = 64 inches, σ = 2 inches.
Substitute these values into equation 1
Z = (67-64)/2
Z = 3/2
Z = 1.5
Answer:
a=38
b=45
c=38
d=105
e=45
Step-by-step explanation:
Answer:
78.04 square cm
Step-by-step explanation:
Area of shaded region = area of circle - Area of rectangle

Answer:

Step-by-step explanation:
You got $6000 more, so each year you gain $500. Now we calculate the percentage out of 10,000 to find the simple interest rate:

The answer is -
2x^2 + 2x + 7