11.Determine the angle the forms with the vertical.
a. 3.90 b. 2.35 c. 2.25 d. 5.25 12.Determine the maximum height reached by the rocket. a. 815 m b. 366 c. 129 d. 194 13.Determine the duration of the flight. a. 13.4 s b. 17.3 c. 11.6 d. 10.4 14. The distance from the midpoint of the curve to the midpoint of the chord of a simple curve is 8.12 m. If the central angle is 40°, find the radius. a. 134.64 m b. 124.63 c. 186.41 d. 115.52 15. It is the degree of peakedness of a statistical distribution usually taken relative to normal distribution. a. Skewness b. Hypotheses c. Kurtosis d. ANOVA 16.The revenue R from selling x number of computer boards is given by C = 50x + 5000. Find how many boards must be sold to break even? a. 300 b. 400 c. 500 d. 600 17. A swimming pool is constructed in the shape of two overlapping identical circles having a radius of 9 m. and each circle passes through center of each other. Find the area common to the two circles a. 103 b. 102 c. 101 d. 100 18.Tickets to a benefit concert cost either P 12 or P 15. A total of 300 tickets are sold, and the total receipts were P4140.00. How many P 12 tickets were sold? a. 120 b. 180 c. 150 d. 200 19.Calculate the following definite integral: ∫ (?2+ 4?) ??30 a. 74/5 b. 74/3 c. 74/7 d. 74/9 20. A German silver alloy consists of 60% copper, 25% zinc and 15% nickel. Determine the mass of copper in a 10 kg sample. a. 2.5 b. 1.5 c. 6 d. None 21. Determine the determinant of this matrix: [ 8 2 2 8 0 0 2 0 0 2 0 0 8 2 2 4 ] a. 1552 b. 1542 c. 1526 d. 1569 22. The color of curb markings for parking restrictions shall be of ____________ covering the face of the curb. a. solid red color b. solid yellow color c. solid white color d. solid red and yellow color 23. A certain operation is now performed by hand, the labor cost per unit is P 0.54 and the annual fixed charge for tool used is P 100 per year. A machine that is being considered for this job will cost P 2500 , have a salvage value of P 100 at any time and a fixed annual cost of P 300. With the machine, the labor cost is P 0.22 per unit. Use straight line method of depreciation. For what number of units of product per year at zero interest and life of 6 years for the machine will the annual cost of the two methods break even? a. 1775 b. 1875 c. 1975 d. 2075 24. An experiment consists of selecting three items from a box of several items. The three items are classified defective (D) or non-defective (N) as they are selected. Give the sample space for this experiment. Which outcomes are in the events A ,B, and C where A exactly one defective? a. (NNN, NND, DNN) b. (DNN, NDN, NND) c. (DDD, DNN, NDD) d. (NDD, DND, DDN) 25. Find the 25 th term of an AP 5,8,11,14… a. 81 b. 79 c. 77 d. 75 26. A mixture compound from equal parts of two, liquids, one water and the other oil was placed in a hemispherical bowl. The bowl depth of the two liquids is 3 cm. After standing for a short time the mixture separated , the oil settling above the water. If the thickness of the segment of the oil is 1 cm, find the radius of the bowl.
a. 4.32 b. 1.55 c. 5.22 d. 3.67 SITUATION 2: The tangents of a spiral curve forms an angle of intersection of 25° at station 2 + 058.
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