Answer:
(-4,16)
Step-by-step explanation:
1/2x+18=5/2+26
1/2x=5/2x+8
-2=8 divided by -2
Equals x=-4
Plug in -4 in one of the equations
1/2(-4)=18= 16
Answer:
a) 0.0954
b) 0.9045
c) 0.1601
Step-by-step explanation:
We are given the following information:
We treat first-year students having computers as a success.
P(first-year students have computers) = 54.3% = 0.543
Then the number of first year students follows a binomial distribution, where
where n is the total number of observations, x is the number of success, p is the probability of success.
Now, we are given n = 3
a) P(None have computers)
b) P(At least one has a computer)
c) P(All have computers)
Answer:
-2 +/- [(sqrt 88)/ 4]
or
0.35, -4.35 to the nearest hundredth.
Step-by-step explanation:
2x^2 + 8x - 3 = 0
Using the quadratic formula:
x = [ -8 +/- sqrt (8^2 - 4*2*-3) ] / 4
= -2 +/- (sqrt 88)/ 4
Answer:C. 25/4
Step-by-step explanation: