A spinner has 5 equal sections marked 1 through 5. What is the probabilty of not landing on 4?
2 answers:
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Answer: (a) x + 2y = -1 and 3x + y = 1
<u>Step-by-step explanation:</u>
I am not sure what the purpose was for the colored lines but I included them on the graph (below).
Answer:
D
Step-by-step explanation:
Given
x² - 10x = - 36
Solve using the method of completing the square
add ( half the coefficient of the x- term )² to both sides
x² + 2(- 5)x + 25 = - 36 + 25
(x - 5)² = - 11 ( take the square root of both sides )
x - 5 = ± ( add 5 to both sides )
x = 5 ± i
Thus
x = 5 - i or x = 5 + i