20. Explain the Error A linear system has two equations Ax + By = C and Dx + Ey = F. A student begins to solve the equation as shown. What is the error?
Ax + By=C
=
+ k(Dx + Ey) = F
(A + KD)x + (B + kE)y=C+F

Which of the following circles have their centers on the x-axis? check all that apply.

The host of a game show is holding a bag with chips to see what prizes the contestants will play for. five (5) of the chips say “new car” ten (10) of the chips say “new tv” three (3) of the chips say “trip to france” contestant named “patty” reaches into the bag. a. what is the probability of choosing a tv chip? b. what is the probability of choosing a car chip next without replacing the 1st chip? c. are these dependent or independent events?

Given: m zade = 60° and m2cdf = (3x + 15) prove: x = 15