Answer: 40.68 %
Step-by-step explanation:
We need to find the interval between the values 0.2 and 2.2
0.2 ≤ z ≤ 2.2
Since in the standardized normal curve the mean 5.8 will be 0
Area for z values ≥ 0.2 ⇒ 0.0793 and area for z ≤ 2.2
area between 0 and 0.2 is 0.0793 ; and area between 0 to 2.2 is 0.4861
this last value includes the previous value at the left of z = 0.2
As we are looking for participants in the interval 0.2 ≤ z ≤ 2.2 we need to subtract areas 0.4861 - 0.0793 = 0.4068 express in % is 40.68 %
Answer:
rate of change: 4
initial value: -1
Step-by-step explanation:
The rate of change is the number of units in the y-direction for each unit in the x-direction. As x goes from 0 to 1 (1 unit change), y goes from -1 to 3 (4 unit change). Hence the rate of change is 4.
The "initial value" is the y-value where the graph crosses the y-axis. It is -1, as we observed when computing the rate of change.
Answer:
750
Step-by-step explanation:
10 times 5
= 50
50 times 15
= 750
Answer:
Option c is correct.
Step-by-step explanation:
We have been given the solution of the equation:
We will use the formula for finding the solutions of quadratic equation.
Then
Equation
a=1,b=3 and c=3
Now,
And
So,
Therefore Option c is correct.
I'm assuming you meant a 5% discount.
2 * $3.50 = 7
4 * 3.25 = 13
2 * 1.90 = 3.80
7 + 13 + 3.8 = 23.8
0.05 * 23.8 = 1.19
23.8 - 1.19 = 22.61
Nathaniel spent $22.61.
PLEASE CHECK MY WORK!