Answer and Step-by-step explanation
2, -4, 6, -8, 10, -12, 14, -16
These are the next three numbers in the pattern :-12, 14, -16
4.50x+3x=1140
You will add 4.50 and 3 together to get 7.5.
your equation is now...
7.50x=1140
you divide by 7.5 and get 152. so x= 152.
I am stuck now.
Answer:
-3/2
Step-by-step explanation:
Use formula (y2 - y1)/(x2 - x1)
Take points (-8, 4) and (-6, 1)
Use the formula:
y2 = 1
y1 = 4
x2 = -6
x1 = -8
(1 - 4)/(-6 - (-8))
= -3/(-6 + 8)
= -3/2
Answer:
7 & 8.
Step-by-step explanation:
√62 = 7.87400787401.
Answer:The correct option is a)
The upper limit of successes that would be deemed to be usual is 5, so more than 5 successes would be unusual.
Step-by-step explanation:
The mean of a binomial distribution
μ= np where n=10 and p= 0.2 q= 1-p, q= 1-0.2=0.8
μ= 10×0.2=2
σ=√npq
σ=√10×0.2×0.8=1.26
Is unusual for the number of success to be greater than μ + 2.5σ.
= 2+2.5(1.26)
=5 approximately.
So it is unusual for it to be greater than 0.5. The right option Is a)
