Are u in 5th grade? Im learning the same thing LOL
The number is 11.
Lets assume that the P is the product of the number 'x' and 5, then the equation will become :
P = 5x .......i
now given that the product P is same as the 11 less than 6 times the number 'x'., therefore the equation will become :
P = 6x -11 ......ii
Now from i and ii,
5x = 6x -11 ,
11 = 6x - 5x
therefore, x = 11.
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Answer:
It is B
Step-by-step explanation:
Hope this helps! :)
A)We have been given →
Hieght of trough = 5m
length of trough = 6m
Breadth of trough = 4m
so , As the top is opened for feeding animals.
Area of base = length× Breadth
= (6×4) m²= 24 m²
Area of Front and back face = Hieght × length
= (5×6) m² = 30m²
Area of side faces = hieght × Breadth
= (5×4) m²= 20 m²____________________________________
B)Total Surface area of trough will be given by formula - 2(lb+bh+hl)
= 2{(6×4)+(4×5)+(5×6)}
= 2{24+20+30}
= 2×74
= 148 m²
As we have been told top is open , so we will deduct top from Total surface Area to obtain Surface area →
(148-24) m²
(Area of top will be same as base area , that is 24m² as we have solved in A)
= 124m²
Answer→ Surface area of trough is 124m²
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Answer:
Step-by-step explanation:
I sample :
Sample size n1 = 60
Sample average = x bar = 5.2 minutes
STd deviation sample = s1 = 3.1 minutes
II sample:
n2 = 72
y bar = 6.1
s2 = 2.8 minutes
Mean difference = -0.9
Std error for difference =
t statistic = mean diff/se = -1.735
p value = 0.0848
Since p >0.05 we accept null hypothesis that there is no difference between the two averages
Conclusion:
a) We cannot conclude that the mean checkout time is less for people who use the self-service lane
b) NO, we cannot conclude that if everyone used the self-service lane, that the mean checkout time would decrease