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3^n - 3^{n - 1} - 3^{n - 2} is equal to:
3^n - 3^{n - 1} - 3^{n - 2} is equal to:
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More Old MCQ
Orphaned Multiple Choice Questions (MCQ) due to changes of exam system.
If five masons can earn P675 in 6 days, how much can 12 carpenters receiving the same rate earn in 10 days?
Given a water droplet with surface tension $\sigma$ and gage pressure $\Delta p$, determine its diameter.
When x^2 + 5x - 2 is divided by x + n, the remainder is -8. Find all possible values of n.
dKi9DFQ-1 Calculate the maximum shear force that could developed at the section just before point A.
A circle with radius 6 has half its area removed by cutting off a border of uniform width. Find the width of the border.
A sector of a circle with radius 10 cm has a central angle of 120°. Find the arc length of the sector.
The Moody diagram was constructed based on which of the following equations?
The area of the triangle inscribe in a circle is 39.19 cm2 and the radius of the circle is 7.14 cm. If the two sides of the triangle are 8 cm and 10 cm respectively, find the 3rd side.
Solve for x if $\ln x = 2 + \ln (1 - x)$.
A sequence of numbers is defined by the relation $\dfrac{a_{n + 1}}{a_n} = 3^n$ and it is known that $a_1 = 1$. Find the value of $\log_3 a_{100}$.
Find the volume of a circular cone having a base radius of 20 cm and axis 30 cm, if the axis makes an angle of 60° from the base.
jPxd93H-1 Find the magnitude of the sum $\mathbf{A} + \mathbf{B}$
Stations A and B are 120 miles apart on a single-track railroad. At the same time that a train leaves A for B at 25 mph, a train leaves B for A at 15 mph.
A circle of radius 15 cm is revolved about a line tangent to it. What is the surface area of the resulting by the solid?
To encourage Elmer’s promising tennis career, his father offers him a prize if he wins (at least) two tennis sets in a row in a three-set series to be played with his father and the club champion alternately:
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