Answer:
A. {4,3}
Step-by-step explanation:
x -2y = -2
y = - 3x +15
x - 2(-3x+15) = -2
x +6x - 30 = -2
7x = 28
x = 4
y = - 3x +15 = - 3*4 + 15 = -12 + 15 = 3
{4,3}
Answer: Its the one.
Step-by-step explanation:
Your going to subtract 2 from each sides making the equation, -5 is less than or equal to 25, then your gonna divide -5 by 25, which will give you -5, and then the sign will switch to greater than or equal to because you divided by a negative number. The dot on the number line will be solid because the sign is greater than or equal to. You're welcome :)
Answer:
Yes, the two events are independent because P(NF|PB)=P(NF).
Step-by-step explanation:
There’s a 75% chance that everyone in the group is a girl
Answer:
2868
Step-by-step explanation:
Well, it said that Marco's family took 12 <em>times more photos than Kevin's.</em>
So I just did 239 times 12 and I got
<u><em>2868!</em></u>
Hope this helps!