Answer:
A) it depends. If they bought 10 calculators, we would multiply 31.25 by 10. 31.25x10=$312.50
B)Divide 500 by 31.25. Since each calculator is $31.25, we divide $500 by it to see how many they can buy with $500. 500/31.25=16
Step-by-step explanation:
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Answer:
65 + 13i
Step-by-step explanation:
reminder that i² = - 1
13i(1 - 5i) ← multiply each term in the parenthesis by 13i
= 13i - 65i²
= 13i - 65(- 1)
= 13i + 65
= 65 + 13i ← in standard form
Answer:
C. 0.10
Step-by-step explanation:
Conditional Probability
We use the conditional probability formula to solve this question. It is

In which
P(B|A) is the probability of event B happening, given that A happened.
is the probability of both A and B happening.
P(A) is the probability of A happening.
In this question:
Event A: Goes to the city playoffs
Event B: Goes to the state playoffs.
In Littletown, the probability that a baseball team goes to the city playoffs is 0.20.
This means that 
The probability that the team goes to the state playoffs given that the team goes to the city playoffs is 0.50.
This means that 
What is the probability that a randomly selected team from Littletown goes to the city and state playoffs?
This is
. So


The correct answer is given by option C.