Answer:
The price of one ticket and one cookie is equal to $13
Step-by-step explanation:
Let
x -----> the price for one ticket
y ----> the price for one cookie
we know that
-----> equation A
Divide equation A by 6 both sides
therefore
The price of one ticket and one cookie is equal to $13
Answer: He had $80 after selling those peaches.
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He had $60 worth of peaches.
He sold each one for $4.
Add a 4 to each peach that he has.
Or just do 4x20=$80.
Answer:
The value of C is 2.
Step-by-step explanation:
What you do when you are dividing exponents like that you just minus them.
It says x^3/x. It basically means 3-1.
Your answer is 2.
Find the marginal density for by integrating the joint PDF over all possible values of :
Then the density of conditioned on is
for and undefined elsewhere.
Thus
= = =
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There are 60 brown horses and 40 black horses and 20 spotted horses
<em><u>Solution:</u></em>
Given that there are 120 horses on a farm
of the horses are brown
<em><u>Number of brown horses are:</u></em>
Therefore, 1/2 of total number of horses are brown
of 120
of the horses are black
<em><u>Number of black horses are:</u></em>
Therefore, 1/3 of total number of horses are black
of 120
of the horses are spotted
<em><u>Number of spotted horses:</u></em>
Therefore, 1/6 of total number of horses are spotted
of 120
Thus there are 60 brown horses and 40 black horses and 20 spotted horses