Answer:
You can use tree diagrams to find the probability of something
Answer:
Try taking a screen shot as this is indecipherable.
Step-by-step explanation:
Answer:
x = -1/10
Step-by-step explanation:
3 + 2/5x = -1
multiply through by 5x to make the equation linear
3 × 5x + 2/5x × 5x/1 = -1 × 5x
15x + 2 = -5x
collect like terms
15x + 5x = -2
20x/20 = -2/20
x = - 1/10
Answer:
1.39%
Step-by-step explanation:
(21 - 32) / 5 = -2.2 z score
= 0.0139 so there is a 1.39% probability
Answer:
864
Step-by-step explanation:
120 x 7.2 ..................
