What is the solution to the system of equations?
2 answers:
Answer:
The system of x and y is no solutions.
C is correct
Step-by-step explanation:
Given: System of equation
We have system of equation and to solve for x
Using substitution method to solve for x and y
Substitute y=2x+33 into 2x-y=7
-33 is not equal to 7.
We didn't get the value of x.
No solution for x and y
Hence, The system of x and y is no solutions.
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Answer:
The third quartile is 56.45
Step-by-step explanation:
The given parameters are;
The first quartile, Q₁ = 30.8
The median or second quartile, Q₂ = 48.5
The mean, = 42.0
Coefficient of skewness = -0.38
The Bowley's coefficient of skewness (SK) is given as follows;
Plugging in the values, we have;
Which gives;
-0.38×(Q₃ - 30.8) = Q₃ + 30.8 - 2 × 48.5
11.704 - 0.38·Q₃ = Q₃ - 66.2
1.38·Q₃ = 11.704 + 66.2 = 77.904
Q₃ = 56.45
The third quartile = 56.45.