Questions 71–80 of 89. Imported answers require independent review unless marked reviewed.

Topic practice 89 questionsPage 8 of 9

Question 1

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If

, then

is
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Question 2

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The values of x satisfying the following condition are

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Question 17

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The degree of the differential equation

is ______________.

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Question 26

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If

is a constant, the solution of the differential equation

is
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Question 52

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Sum of the series 5, 10, 15, …………, 500 is ____________________.

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Question 53

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The sample standard deviation for the following set of observations is ________________. 40, 45, 50 and 55

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Question 54

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For the given function

, the value of

at

and

is _____________________.

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Question 55

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Given

, the value of

at

is _________________.

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Question 1

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Which one of the following plots represents the relationship

, where

is a positive constant?
Diagram for Mining Engineering question 1

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Question 2

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and

are the probability distribution function and density function respectively of a continuous variable

in the interval

. Which one of the following is TRUE?
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