Answer:
y=-x-7
Step-by-step explanation:
Point slope form --> y=mx+b where m=slope & b= x intercept:
Slope = delta x / delta y;
delta x = -10 - (-2) = -8;
delta y = 3 - (-5) = 8; therefore Slope = -1
b --> y = mx + b plug one set of coordinates into equation & solve for b:
3 = (-1)(-10) + b --> b = 3 - 10 = -7
Taking all rhat inro account you get answerg
y = (-1)x - 7
Answer:
0.7493 or 74.93%
Step-by-step explanation:
We are given;
Population mean; μ = 100
Population standard deviation; σ = 12
Sample mean 1; x1¯ = 90
Sample mean 2; x2¯ = 120
Z-score formula of the data given is;
z = (x¯ - μ)/σ
z1 = (90 - 100)/12
z1 = -0.83
z2 = (120 - 100)/12
z2 = 1.67
Since we wan to Find the probability that a randomly selected bill is between $90 to $120.
Thus;
P(90 < x¯ < 120) = P(−0.83 < Z < 1.67)
Probability will be gotten from online probability with 2 z-scores calculator to get;
P = 0.7493
Answer:
As a decimal it can be written as 7.3 repeated
Answer:
Simplify
x
=
35.99
dollar
11.33
dollar
.
x
=
3.1765225
Step-by-step explanation: