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➷ The formula for surface area of a cylinder is:
The radius is half the diameter
radius = 40/2 = 20
Substitute the values in
Surface area =
Simplify to get an answer of:
surface area =
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The answer is 8
I hope this helps!
Answer: -16
Step-by-step explanation:
Let the number be y
Four times a number minus twenty-one can be written as:
(4 × y) - 21 = 4y - 21
Six times the number plus eleven can be written as:
(6 × y) + 11 = 6y + 11
Combining both equations will give:
4y - 21 = 6y + 11
4y - 6y = 11 + 21
-2y = 32
y = 32/-2
y = -16
The number is -16
Answer:
Probability of amount dispensed per box is 0.0001
Step-by-step explanation:
Given data:
sample size, n = 40
mean
standard deviation, s = 0.1 pounds
we know one pound equal to 16 ounce
therefore 0.1 pounds = 1.6 ounce
x = 15 ounce
z = -3.95
P(X<15) = P(Z<-3.95)
= 1 - P(Z< 3.952)
= 1 - 0.9999
= 0.0001
so, Probability of amount dispensed per box is 0.0001
The activation energy is the amount of energy required to initiate a certain reaction. The activation energy may considered as an "energy barrier" that has to be overcome in order for a reaction to begin. If a reaction has a lower activation energy, then it will occur more easily and at a faster rate than a reaction with a higher activation energy. Therefore, the reason that reaction 1 is faster than reaction 2 is because it has a lower activation energy than reaction 2.