Answer: Add 9 to both sides to complete the square
Step-by-step explanation:
The formula for the number you need to add to complete the square is (b/2)^2. In this case, b = -6, so:
(b/2)^2 = (-6/2)^2 = (-3)^2 = 9.
(After adding 9 to both sides, you will get x^2 - 6x + 9 = 14 which can be factored to (x - 3)^2 = 14)
Answer:
Answers are (r,0) and (0,s)
Step-by-step explanation:
Given that in a rectangle ABCD, one vertex is the origin (0,0) A
The opposite vertex C is having coordinates as (r,s)
Since a rectangle has angle 90 we have x axis as one side and y axis as other side.
Length = r and width =s (since coordinates of C are (r,s))
Hence other coordinate B on x axis would be = (r,0)
and D on y axis = (0,s)
Answers are (r,0) and (0,s)
Answer:
29.5+/-1.11
= ( 28.39, 30.61)
Therefore, the 90% confidence interval (a,b) =( 28.39, 30.61)
Step-by-step explanation:
Confidence interval can be defined as a range of values so defined that there is a specified probability that the value of a parameter lies within it.
The confidence interval of a statistical data can be written as.
x+/-zr/√n
Given that;
Mean x = 29.5
Standard deviation r = 5.2
Number of samples n = 59
Confidence interval = 90%
z-value (at 90% confidence) = 1.645
Substituting the values we have;
29.5+/-1.645(5.2/√59)
29.5+/-1.645(0.676982337100)
29.5+/-1.113635944529
29.5+/-1.11
= ( 28.39, 30.61)
Therefore, the 90% confidence interval (a,b) =( 28.39, 30.61)
Answer:
C 1/2
Step-by-step explanation:
7 out of 14 people have a Snap account, if you simplify that number- dividing both the numerator and denominator by 7-it leaves you with the answer 1/2
