Answer:
Step-by-step explanation:
Work via factoring by groups:
!) re arrange the terms as follows:
then extract the common factor for the first two terms (a), and separately the common factors for the last two terms (3 b):
Now notice that the binomial factor (a-5 b) is in both expressions, so extract it:
which is the final factorization.
Answer:
Yes
Step-by-step explanation:
The length of QW can be determined from PW and PQ by figuring out what the lengths are for Q and W in PW and PQ.
Answer:
36 mph
Step-by-step explanation:
d = rt
d = (x)(3.6)
d = (x-4)(4)
3.6x = 4x - 16
-0.4x = -16
x = 40
Her speed was 40 on Thursday, so 36 on Friday
Assuming the length increases by 2 meters, the sides are:
3, 5, 7, 9, 11, and the 6th side is 13
Answer:
x = 5 +- √17
Step-by-step explanation:
0 = -x^2 + 10x - 8
-(-x^2 + 10x - 8) = 0
Now do the quadratic formula with x^2 - 10x + 8 = 0
a = 1
b = -10
c = 8
