Answer: (x-5)/(x+1) and x cannot equal -1 because the denominator can't be zero.
Step-by-step explanation:
Factor the numerator:
(x+9)(x-5)
Factor the denominator:
(x+1)(x+9)
So you have
(x+9)(x-5)/(x+1)(x+9); see that you can cross out the (x+9) in both the numerator and denominator?
You're left with (x-5)/(x+1)
The only number that is restricted is -1, because that would make the denominator zero, which is a no no!!
Answer:
91%
Step-by-step explanation:
The discount is $73 so we would get 73/80.
73/80 is also known as 73÷80
which would equal 0.9125
if we were to covert and round it to a percent, it would be 91%
Answer:
1 Binomcdf (10,1/6,3)
Step-by-step explanation:
Answer:
Q1. (a) (i) p = -9, q = 11
Q3. (a) Line 1: x = 0.5
Line 2: x = -2
Q3. (b) (i) (ii) For both lines, they will be perpendicular to the x-axis and they will pass their respective x-coordinates of 1 and -2 1/2.
Step-by-step explanation:
Q1. (a) (i) 5(-5) - 3p = 2
-25 - 3p = 2
3p = -25 - 2
p = -27/3
p = -9
5(7) - 3q = 2
35 - 3q = 2
3q = 35 - 2
3q = 33
q = 11
Q3. (a) Since all points on Line 1 have x-coordinates of 0.5, we can conclude that the equation is x = 0.5. Same goes for Line 2, of which all points have x-coordinates of -2 instead, making the equation x = -2.
Hope this helped!