Answer:
0.54,0.8,0.368
Step-by-step explanation:
Given that according to a survey published by ComPsych Corporation, 54% of all workers read e-mail while they are talking on the phone.
Prob for persons who read email while talking on the phone = 54% = 0.54
Prob for persons who read email while talking on the phone to write to do lists = 0.20
Assuming that these figures are true for all workers, if a worker is randomly selected, the probability that
a. The worker reads e-mail while talking on the phone and writes personal "to-do" lists during meetings.
b. The worker does not write personal "to-do" lists given that he reads e-mail while talking on the phone.
c.The worker does not write personal "to-do" lists and does read e-mail while talking on the phone.
The two given functions are
x: -3 -2 -1 0 1 2
f(x): -27 8 -1 0 1 8
g(x) = 4 sin(4x) - 3
The y-intercept occurs when x=0.
Therefore,
f(x) has a y-intercept of 0 (from given tabular data).
g(x) has a y-intercept of
g(0) = 4*sin(0) - 3
= 0 - 3
= -3
Answer:
f(x) has the greatest y-intercept.
Answer:
Washing cars= 4 hours
Walking dogs= 10 hours
Step-by-step explanation:
You want to start by creating equations. So one thing we know is that he makes $9 an hour washing cars(x) and $8 walking dogs(y).
$9x+$8y=$116
The second Equation is based off of the hours worked. We know that he worked 6 hours more walking the dogs than he did washing cars, so we can take x(being the washing hours) and add 6 to it to equal y (the number of dog hours).
y=x+6
Now You plug what y equals into the first equation to solve for x.
9x+8(x+6)=116 Next distribute the 8 to each term.
9x+8(x)+8(6)=116
9x+8x+48=116 Add the like terms together (9x+8x)
17x+48=116 Subtract the 48 from both sides
-48 -48
17x=68 Now divide by 17 on both sides.
______
17 17
x=4 Finally we can take x and plug it back in to one of the equations in order to solve for y. I'm going to choose the second equation.
y=(4)+6
y=10
50-x^2=0
Move the x^2 to the other side
x^2=50
Now take the square root of both sides
x=+_(50)^1/2 (^1/2 means square root)(+_ is plus or minus. Sorry XD)
Now simplify the square root
X=+_5(2)^1/2
Voila. The answer is C
