Probability of an Event P(E) = Number of times an event occurs / Total number of trials.
7/10= 70%
Answer:The answer is 62.5.
Step-by-step explanation:
Answer:
Step-by-step explanation:
Use FOIL method
1) (x +4 )(3x +2) = x*3x + x*2 + 4*3x + 4*2
= 3x² + 2x + 12x + 8
= 3x² + 14x + 8
4) (4x - 1) (2x + 7) = 4x*2x + 4x*7 + (-1)*2x + (-1) * 7
= 8x² + 28x - 2x - 7
= 8x² + 26x - 7
Answer:
y = mx + b. When b ≠ 0, the relationship between x and y is nonproportional.