Multiple Choice Question: What is the area moment of inertia of a semicircle of radius $r$ about an axis parallel to its base and passing through its centroid.

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Orphaned Multiple Choice Questions (MCQ) due to changes of exam system.

FtHV51n-1 Find the amount of salt in the tank at any time, t.
A privateer discovers a merchantman 10 miles to leeward at 11:45 am and with a good breeze bears down upon her at 11 mph, while the merchant can only make 8 mph in her attempt to escape.
vSk9ZBx-2 Find the uv-coordinates of the x-intercept of the given line.
If the interest rate on an account is 8.5% compounded yearly, approximately how many years will it take to triple the amount?
Company X has a fixed expense of P1.5M monthly and each unit is produced at P20
An altar for ancient rituals is in the form of a cube of edge 1.5 m. If you double the size of the cube, what will be the dimension of its edges?
A substance goes into a solution at the rate of 25% of the undissolved portion each minute. If the initial amount was 64/27 grams, what amount (in grams) is undissolved after 6 minutes?
How is the dry density of a soil related to its density at full saturation? $\rho_w$ is the density of water, $n$ is the porosity and $e$ is the void ratio.
A circle with radius r has a circumference equal to the perimeter of a square whose side is S. Which of the following is true?
The Design Basis Earthquake (DBE) has a return period of 475 years with 10% probability of exceedance in how many years?
A jogger starts a course at a steady rate of 8 kph. Five minutes later, a second jogger took the same course at 10 kph. How long will it take for the second jogger to catch the first?
After 4/5 of his mangoes spoiled, Albert bought enough from Bryan so that each then had 1/3 as many as first and Albert had 80 more than Bryan. How many had Albert at first?
In a survey concerning the smoking habits of consumer it was found that 55% smoke cigarette A, 50% smoke cigarette B, 40% smoke cigarette C...
The probability that a patient recovers from a rare blood disease is 0.4. If 15 people are known to have contracted this disease, what is the probability that at least 10 survive?
There are four red, three green, and five blue discs in a bag. Find the probability that two discs of the same color are drawn.