The answer is A
Step-by-step explanation:
The sample space is EVERY possible outcome
9/40.5=10/x
9x=405
X =45
When you set a proportion you can find the ? Value by cross multiplication
You can advertise that you need a sample of 50 minivan owners, and use them as a representative of the state. But this is biased and has some inaccuracy.
Answer:
(10, -20).
Step-by-step explanation:
y= -5x + 30
x = 10
Substitute x = 10 in the first equation:
y = -5*10 + 30
y = -50 + 30
y = -20.
So the solution is (10, -20).
Answer:
I think the answer would be C.)
