Answer:
D. last option
Step-by-step explanation:
distribute the exponents outside of parentheses to terms in side to get
x^10 y^20 z^5 on top
and x^2 y^2
then you can subtract the exponents of like terms from numerator and denominator to get
x^8 y^18 z^5
Answer:
$57.44
Step-by-step explanation:
1. subtract 15% from the bill with coupon:
$56.32 - ($56.32 x 0.15) = $47.87
2. add 20% to this new bill:
$47.87+(47.87 x 0.20) = $57.44
Answer:
hello little kid im gonna yeach you about plasma plasma a state of matter but people don't use it that much plasma is form by atoms I think but yea your welocme
Answer:
260.1615 ; 70.688 ; (53.787 ; 103.304)
Step-by-step explanation:
Answer:
Step-by-step explanation:
Data:
242.87
260.93
194.19
260.76
355.36
346.32
165.37
250.08
326.76
283.56
212
284.08
139.16
436.72
240.87
310.41
223.73
181.25
238.2
250.61
Using calculator :
Sample mean = ΣX / n
Sample mean = 5203.23 / 20
Sample mean, m = 260.1615
Sample mean, m = 260.2
Sample standard deviation (s) :
Σ(X - m) / n - 1
= 70.688
= 70.7
((n-1)*s²) / ²0. 975, 19 ; ((n-1)*s²) / ²0.025, 19
95% confidence interval :
(53.787 ; 103.304)
