C because it is icoceles.
Answer:
7^2/x^2-2 for x =3
49/9-2
49/7
7
answer is 7
Step-by-step explanation:
Answer:
b. remains unchanged
Step-by-step explanation:
Formula for standard error of mean is;
SE = σ/√n
From the above, we can see that the standard error of mean is independent of the confidence coefficient as it doesn't affect the SE.
Now, we are given that;
random sample; n = 100
Standard deviation; σ = 1
Thus;
SE = 1/√100
SE = 1/10
Now, even if the confidence coefficient is reduced, we can see that it has no impact on the standard error of mean.
Thus, SE remains unchanged.
So the answer is : 5y + 10 = 6y + 3
5y - 6y +10 = 3
-y= 3-10
-y= -7 Now you are looking for y not -y so you have to multiply or divide both side by (-1). It will be :
(-1) -y = (-1) -7
So:
Y = 7 Final answer.
