2(5x - y = 17)
10x - 2y = 34
6x + 2y = 14
16 x = 48
x = 3
5(3) - y = 17
15 - y = 17
-y = 2
y = - 2
( 3 , -2)
75 square yards
25-10=15 to get rid of the initial charge, then divide by 0.20 to find out how many square yards. I almost didn't see the question because you didn't really put it in here right
Mean is 80 million
Standar deviation is 11 million
Probabiliy of less tha 103 million
First we normalize the values using the fomula:
Z = (x - u)/s
x = 103
u = 80
s = 11
Z = (103-80)/11 = 23/11 = 2.09
Using the standar normal ditribution tables, this value represents: 0.01831
So the probability is 1 - 0.01831 - 0.9817
Really don’t know WTH u saying lol
