Answer:
875 + 61/2= 1811/2
1/2x + 31/2y= y + 31x/2xy
91/5x +91/5= 91 + 91x/5
Step-by-step explanation:
I did not understood the question but I hope thet was the Answer
Answer:
7767
Step-by-step explanation:
6878
Answer: it would take her 25 minutes I believe
Step-by-step explanation:
<span>What is the value of c?
5x2 - 3y2 - 20x + 6y + 2 = 0
Select one:
a. 2
b. 4
c. √4
d. √8
This was an older question and someone said the answer was D and I got it right.</span>
Answer:
a. 0.5
Step-by-step explanation:
We know that X follows normal distribution with
mean=75
standard deviation=8


P(0<Z<∞)
The area under the normal curve is 1 and the (0<Z<∞) =0.5 and (-∞<Z<0) =0.5
So, P(0<Z<∞)=0.5
Hence the P(X ≥ 75)=0.5