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Tcecarenko [31]
3 years ago
10

1/3+4 = 1/4 times 1/ blank

Mathematics
1 answer:
kipiarov [429]3 years ago
5 0

Answer:

Step-by-step explanation:

1/3+4=1/4*1/?

4.3=1/4*1/?

4.3=1/4

17.2

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The answer to your problem is 4.32.

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Two similar cylinders have a scale factor of 1.6/3. Find the ratio of their volumes. Answer must be in fraction form.
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3 years ago
Resistors are labeled 100 Ω. In fact, the actual resistances are uniformly distributed on the interval (95, 103). Find the mean
Zinaida [17]

Answer:

E[R] = 99 Ω

\sigma_R = 2.3094 Ω

P(98<R<102) = 0.5696

Step-by-step explanation:

The mean resistance is the average of edge values of interval.

Hence,

The mean resistance, E[R] = \frac{a+b}{2}  = \frac{95+103}{2} = \frac{198}{2} = 99 Ω

To find the standard deviation of resistance, we need to find variance first.

V(R) = \frac{(b-a)^2}{12} =\frac{(103-95)^2}{12} = 5.333

Hence,

The standard deviation of resistance, \sigma_R = \sqrt{V(R)} = \sqrt5.333 = 2.3094 Ω

To calculate the probability that resistance is between 98 Ω and 102 Ω, we need to find Normal Distributions.

z_1 = \frac{102-99}{2.3094} = 1.299

z_2 = \frac{98-99}{2.3094} = -0.433

From the Z-table, P(98<R<102) = 0.9032 - 0.3336 = 0.5696

5 0
4 years ago
What is the avarage rate from x=1 to x=3
guajiro [1.7K]

It depends on the line or parabola that you are talking about, more information would be needed to answer this correctly.

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3 years ago
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Answer:

There is information missing from this question. Cannot be answered in its current form.

Step-by-step explanation:

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