Recent questions without answers

0 votes
0 answers
601
Consider the following definite integral: $I= \displaystyle{} \int_0^1 \dfrac{(\sin ^{-1}x)^2}{\sqrt{1-x^2}} dx$. The value of the integral is$\dfrac{\pi ^3}{24} \\$$\dfr...
0 votes
0 answers
602
0 votes
0 answers
612
A hallow circular shaft has an outer diameter of $100 $ mm and inner diameter of $50 $ mm. If the allowable shear stress is $125$ MPa, the maximum torque (in kN-m) that t...
0 votes
0 answers
620
A catchment is idealized as a $25 \: km \times 25 \: km$ square. It has five rain gauges, one at each corner and one at the corner, as shown in the figure.During a month,...
0 votes
0 answers
626
The analysis of a water sample produces the following results:$\begin{array}{|c|c|c|} \hline \text{Ion} & \text{milligram per milli-equivalent} & \text{Concentration} \\ ...
0 votes
0 answers
633
0 votes
0 answers
634
What is the value of $x$ when $81\times\left (\dfrac{16}{25} \right )^{x+2}\div\left (\dfrac{3}{5} \right )^{2x+4}=144?$$1$$-1$$-2$$\text{Can not be determined}$
0 votes
0 answers
636
There was no doubt that their work was thorough.Which of the words below is closest in meaning to the underlined word above?prettycompletesloppyhaphazard
0 votes
0 answers
637
0 votes
0 answers
638
The lecture was attended by quite _______ students, so the hall was not very _______.a few, quitefew, quieta few, quietfew, quite
0 votes
0 answers
639
They have come a long way in ________ trust among the users.creatingcreatedcreationcreate