Jack has a 1/30 chance of being picked since he is 1 person out of 30 total. After his name is picked, and not put back, there are 30-1 = 29 names left. The chances Jill is picked is 1/29. The two fractions are multiplied to get the overall probability both are picked.

7 0

2 years ago

The sum of seven times a number, and 9, is equal to six times the number. What's the algebraic expression?

S_A_V [24]

7n+9=6n
9=-n
n=-9
..............

4 0

2 years ago

Given that f(x)=x^2-3x-54 and g(x)=x+6, find (f•g)(x) and express the result in standard form

love history [14]

Answer:

×³+3×²-72×-324

Step-by-step explanation:

I hope it help

7 0

2 years ago