Answer:
6 be the number of days Bernice need to sell sea shells to earn 2430 dollars .
Step-by-step explanation:
As given
Bernice sells 135 sea shells by the sea shore every day.
She sells each sea shell for 3 dollars.
Total amount of money Bernice earns by selling sea shells in a day = Total number of sea shells sell in a day × Cost of each sea shell
Putting the values in the above
Total amount of money Bernice earns by selling sea shells in a day = 135 × 3
Total amount of money Bernice earns by selling sea shells in a day = $405
As given
Bernice need to sell sea shells to earn 2430 dollars.
Let us assume that the number of days Bernice need to sell sea shells to earn 2430 dollars be x.
Than the equation becomes
405 × x = 2430
405x = 2430
x = 6
Therefore the 6 be the number of days Bernice need to sell sea shells to earn 2430 dollars .
Answer:
p=1
Step-by-step explanation:
Given that a day care program has an average daily expense of $75.00. The standard deviation is $5.00.
Sample size = 64
Std error of sample =
Thus sample mean will follow normal with
(75, 0.625)
Required probability
=
It is almost a certain event with p =1
Answer:
Step-by-step explanation:
Three or more points that lie on the same line are collinear points.
I have highlighted the points so you can see where they lay on the lines. You can see only one set of points is on 2 different lines.
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