X²+18x+56=0 by square process
1 answer:
You might be interested in
Solution :
The normal body temperature of any human body is considered to be 98.6. But there is a constant debate about the body temperature of a long held standard to the body temperature.
It is given that :
Null hypothesis and alternate hypothesis :
And
n is given as = 180
Test statistics = 3.64
Prove = 0.018 < α = 0.05 (let reject null hypothesis for α = 0.05 )
Therefore, their results are statistically significant and the result is unlikely due to chance alone.
Answer:
D.
Step-by-step explanation:
Area of rectangle =
Length of rectangle = (x - 8)
Width = (x + 11)
Area of rectangle =
Expand the expression
(distributive property of multiplication)
Combine like terms
Expression for the area of the rectangle =