Answer:
x=-5, y=-8. (-5, -8).
Step-by-step explanation:
-x+2y=-11
5x-8y=39
---------------
5(-x+2y)=5(-11)
5x-8y=39
---------------------
-5x+10y=-55
5x-8y=39
--------------------
2y=-16
y=-16/2
y=-8
-x+2(-8)=-11
-x-16=-11
-x=-11+16
-x=5
x=-5
Answer:
For 3 quarters, the probability that all 3 quarters will land heads up is ;
P = 1/2 × 1/2 × 1/2 = 1/8
P = 1/8
Step-by-step explanation:
The probability that one quarter will land heads up is 1/2.
For 3 quarters, the probability that all 3 quarters will land heads up is ;
P = 1/2 × 1/2 × 1/2 = 1/8
P = 1/8
Answer:
what is the question there is no photo
Step-by-step explanation:
If three points were A, B and C are collinear points and B is between A and C, then AB+BC=AC
Pls. see attachment. I created that table for easy monitoring and understanding.
Yellow cells are sums that are even.
Orange cell are sums that are multiples of 3.
Yellow cells w/ orange texts are sums that are both even and multiples of 3.