Answer:
0.2x² - 0.2x - 42 = 0
Step-by-step explanation:
Number of counters = x
Number of blue counters =7
Probability, p = required outcome / Total possible outcomes
P(Sam picks blue ) : = 7/x
P(jill picks blue) = 6/(x - 1)
P(Sam picks blue) * P(Jill picks blue) = 0.2
7/x * 6/(x-1) = 0.2
42/x(x - 1) = 0.2
42 / x² - x= 0.2
42 = 0.2(x² - x)
42 = 0.2x² - 0.2x
0.2x² - 0.2x - 42
you would move the decimal until you only have 1 number to the left of it and the rest on the right. we moved it three spots left in this case so your answer would be as follows.
1.8 x 10^3 is the answer
Answer:
Jack will pay 58.05$. jsjsksjsj
$75.00-12.50≥$0
The sign should be greater than and not Greater than or equal to. I used it be that's the only available sign to help out with.
