Answer:
5x = 11.
Step-by-step explanation:
-4x - 2y = -2
x - 2y = 9
Subtracting:
-4x - x - 2y - (-2y) = -2 - 9
-5x - 2y + 2y = -11
-5x = -11
5x = 11.
Answer:
7.5
2.5√18.75 -
18.75
7.5
2.5√18.75
Step-by-step explanation:
300,000 + 9,000 + 10 = 309,010
or if you meant 309,001
300,000 + 9,000 + 1 = 309,001
21 is the answer i think idk try dividing them all or finindng something or look up how to find a standard deviation
