(2x² - 4x + 3) + (x² - 4x - 4) =
2x² - 4x + 3 + x² - 4x - 4 =
3x² - 8x -1
B.
Answer:
Option B
Step-by-step explanation:
Since the company that Carrie out the survey after the students also arrived at the same conclusion as the student which is: no evidence that preference for brand A is not 0.5. We can say that she did not make any error which could be a type 1 or 2 error and found that the actual value was 0.5 which is the null hypothesis
Null hypothesis: u = 0.5 for brand A
and thus fails to reject the null hypothesis.
Answer:
Step-by-step explanation:
Area of shaded region = Area of quadrant - area of triangle
= (1/4)πr² - (1/2)bh

= 7 cm²
if (x - 5 ) is a factor of f(x ) then x = 5 is a root of f(x) and f(5) = 0
C.29 and E.1
All other answers when added to 30 equal 60 or more making the statement false.