Answer:
23
Step-by-step explanation:
b^2 = 25^2 - 10^2
b^2 = 625 - 100
b^2 = 525
b/x = ✓525
b/x =23 #
sory if wrong
Answer:
>
Step-by-step explanation:
> means greater than and because 79 is greater than -5, the correct sign you would use will be >
79 > -5
The probability that Nins goes 0 days is 0.2, the probability that she goes 1 day is 0.50, and the probability that she goes 2 days is 0.30. You can write these data as a table:
where are numbers of days and are probabilities.
The expected value of the number of days per week on which Nina goes to the supermarket is
.
Answer: the expected value of the number of days per week on which Nina goes to the supermarket is 1.1.
There would be 12 pieces because if you only have one foot long sandwich and cut it in to 1/3's you would have 3 pieces and just multiply 4 by 3 and you'll get 12