The Discriminant for the equation x2 + 3x - 4 = 0 would be 25.
Answer:
it's 502.6548246
Step-by-step explanation:
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Answer:

Step-by-step explanation:
For any triangle, the Law of Cosines is given by
, where all three variables are interchangeable.
Therefore, we have:

Answer: (3.3, 3.5)
Step-by-step explanation:
The formula to calculate the confidence interval is given by :-

, where
= sample mean.
z* = critical value.
= Population standard deviation.
n= Sample size.
As per given , we have

n= 217
By using z-table , the critical value for 95% confidence level : z* = 1.96
Now, the 95% confidence interval for the mean consumption of meat among males over age 50 will be :




Hence, the 95% confidence interval for the mean consumption of meat among males over age 50 =(3.3, 3.5)
Answer:
-14 =a
-9 = b
-12 = c
Step-by-step explanation:
In matrix addition we add the corresponding elements to make equations
-10 +-4 = a
-14 =a
3 + -12 = b
-9 = b
-9 + -3 = c
-12 = c