Step-by-step explanation:
1: Solve one Equation for one of the variables
2: Substitute (plug-in) this expression into the other equation and solve
3: Resubtitue the value into the original equation to find the corresponding variable
Answer:
Answer: 91.7 = .6 (92) + .3 (90) + .1(95
Step-by-step explanation:
Answer: 91.7 = .6 (92) + .3 (90) + .1(95
Main Heading: Time Series
Key words: weighted moving average
The answer of what is 15% of 60 would have to be 9
Answer:
21b+7bc
Step-by-step explanation:
Distribute the 7b to everything and you get 21b+7bc
1y + 2x = 0 ⇒ -2x - 1y = 0
4x + 1y = 3 ⇒ <u>4x + 1y = 3</u>
<u>2x</u> = <u>3</u>
2 2
x = 1.5
4(1.5) + y = 3
6 + y = 3
<u>- 6 - 6</u>
y = -3
(x, y) = (1.5, -3)