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How many terms from the progression 3, 5, 7, 9, ... must be taken in order that their sum will be 2600? |
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How many men paid for a total amount of $262,143.75 if the first person to arrive only paid 25 cents? |
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Which of the following is the derivative with respect to x of (x + 1)^3 - x^3? |
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Please help me solve this problem: Moment capacity of a rectangular timber beam |
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Given the following equations: ab = 1/8, ac = 3, bc = 6. Find the value of a + b + c. |
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Which pizza is a better buy: large with 16-inch-diameter for $15 or medium with 8-inch-diameter for $7.50? |
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BCR of \$180,000 investment yielding \$60,000 annual benefits at 7% annually |
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In still water, your small boat average 8 miles per hour. It takes you the same amount of time to travel 15 miles downstream, with the current, as 9 miles upstream, against the current. What is the rate of water's current? |
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Determine the percentage uncertainty in the area of a square that is 6.08 (+/-) 0.01 m on a side. |
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Gas is escaping from a spherical balloon at a constant rate of 2 fˆ3/min. How fast is the outer surface area shrinking? |
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When the polynomial x^4 + bx^3 + 5x^2 + dx + 6 is divided by x - 2 the remainder is 16. When it is divided by x + 1 the remainder is 10. Find the value of constant d. |
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What is the radius of the circle x^2 + y^2 - 6x = 0? |
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What is the equation of the normal to the curve x^2 + y^2 = 25 at (4, 3)? |
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A boat going upstream takes 1.5 times longer than going the same distance downstream. If the water current in the river is 8 kph, calculate the speed of the boat in still water. |
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There are 7 arithmetic means between 3 and 35. What is the sum of all the terms? |
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The digits of a three-digit number are in arithmetic progression, find the sum of all the digits |
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Select one that best describes you |
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If arcsin (3x - 4y) = 1.571 and arccos (x - y) = 1.047, what is the value of x? |
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Calculate the acute angle between 2x - 4y - z = -5 and 3x + 4y + 5z = -6 |
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A circle has an equation of x^2 + y^2 + 2cy = 0. Find the value of c when the length of the tangent from (5, 4) to the circle is equal to one. |
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Sum of the first ten terms of a Geometric Progression |
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Calculate the area enclosed by the curve x^2 + y^2 - 10x + 4y - 196 = 0. |
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Determine the radius of curvature of the curve x = y^3 at point (1, 1) |
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Evaluate the integral of (x dx) / (x^2 + 2) with lower limit of 0 and upper limit of 1 |
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Support reactions of a symmetrically-loaded three-hinged arch structure |
