Answer:
Equations: 
number of chickens = 52
number of goats = 28
Step-by-step explanation:
Given: A small ranch has chickens and goats
Total number of heads = 80
Total number of legs = 216
To find: number of chickens and goats
To draw: the graph
Solution:
Let x denotes number of chickens and y denotes number of goats.
According to the question,
From (i), put 
in (ii)
Put 
in equation (i)
So,
number of chickens = 52
number of goats = 28
Answer:
9.9
Step-by-step explanation:
In the given equation the value of the x be a x = U*ky-y.
According to the statement
we have to find that the value of the x from the given statement.
So, For this purpose, we know that the
An equation is a mathematical statement that is made up of two expressions connected by an equal sign.
From the given information:
The given statement is
U=x+y/ky
now, rearrange the terms then
U*ky=x+y
U*ky-y = x
And then the value f the x become
x = U*ky-y.
So, In the given equation the value of the x be a x = U*ky-y.
Learn more about equation here
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The z-score is given by:
z=(x-μ)/σ
but
x-μ=52
thus
z=52/√84681
z=0.1787
Thus:
P(X≤52)=0.9633
For this case we must find the value of the variable "x" of the following equation:
We multiply by 3 on both sides of the equation:
We divide between 2 on both sides of the equation:
We subtract 7 on both sides of the equation:
Answer:
Option B
