proportional to the amount at any instant. In 100 years, 100 mg of radium decomposes to 96 mg. How many mg will be left after 100 years? A. 88.60 B. 95.32 C. 92.16 D. 90.72 A. 4800mm^2 B. 8400mm^2 LO 5 42. The dimensions of a rectangular block of wood were found to be 100, 120, and 200mm, with a possible error of 5mm in each of the measurements. Find approximately the greatest error in the surface are of the block. C. 9300mm^2 D. 3900mm^2 43. Find the sum of all odd integers between 100 and 1000. A. 247, 500 C. 148,500 D. 454,500 B. 364,200

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Chapter2: Loads On Structures
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41. REE-Sept 2018. Radium decomposes at a rate
proportional to the amount at any instant. In 100 years,
100 mg of radium decomposes to 96 mg. How many mg will be
left after 100 years?
5 of 5
A. 88.60
B. 95.32
42. The dimensions of a rectangular block of wood were
found to be 100, 120, and 200mm, with a possible error of
5mm in each of the measurements. Find approximately the
greatest error in the surface are of the block.
C. 9300mm^2
D. 3900mm^2
A. 4800mm^2
B. 8400mm^2
C. 92.16
D. 90.72
43. Find the sum of all odd integers between 100 and 1000.
A. 247, 500
C. 148,500
B. 364,200
D. 454,500
44. Find the harmonic mean of 3,3, and 6
A. 3.6
C. 4.6
D. 5.6
B. 2.6
45. The bases of a frustum of a pyramid are 18 cm by 18 cm
and 10 cm by 10 cm. Its lateral area is 448 sq. cm., what
is the altitude of the frustum?
A. 6.39 cm
C. 5.96 cm
D. 5.69 cm
B. 6.93 cm
46. If the radius of the sphere is increased by a factor
of 3, by what factor does the volume of the sphere change?
A. 9
C. 27
D. 54
B. 18
47. The value of 5! is equal to
A. 1
B. 5
equations: xy = 15, yz = 35,
A. 13
B. 19
C. 25
D. 120
48. Find the work done in moving an object along a vector
a = 3i + 4j if the force applied is b = 2i + j.
A. 8
C. 10
B. 9
D. 12
49. Find the point where the normal to y = x + x^(1/2) at
(4, 6) crosses the y-axis.
A. 5.75
B. 9.2
50. Determine the sum of the
the simultaneous
C. 23
D. 11
positive-valued solutions to
zx = 21.
C. 17
D. 15
Transcribed Image Text:41. REE-Sept 2018. Radium decomposes at a rate proportional to the amount at any instant. In 100 years, 100 mg of radium decomposes to 96 mg. How many mg will be left after 100 years? 5 of 5 A. 88.60 B. 95.32 42. The dimensions of a rectangular block of wood were found to be 100, 120, and 200mm, with a possible error of 5mm in each of the measurements. Find approximately the greatest error in the surface are of the block. C. 9300mm^2 D. 3900mm^2 A. 4800mm^2 B. 8400mm^2 C. 92.16 D. 90.72 43. Find the sum of all odd integers between 100 and 1000. A. 247, 500 C. 148,500 B. 364,200 D. 454,500 44. Find the harmonic mean of 3,3, and 6 A. 3.6 C. 4.6 D. 5.6 B. 2.6 45. The bases of a frustum of a pyramid are 18 cm by 18 cm and 10 cm by 10 cm. Its lateral area is 448 sq. cm., what is the altitude of the frustum? A. 6.39 cm C. 5.96 cm D. 5.69 cm B. 6.93 cm 46. If the radius of the sphere is increased by a factor of 3, by what factor does the volume of the sphere change? A. 9 C. 27 D. 54 B. 18 47. The value of 5! is equal to A. 1 B. 5 equations: xy = 15, yz = 35, A. 13 B. 19 C. 25 D. 120 48. Find the work done in moving an object along a vector a = 3i + 4j if the force applied is b = 2i + j. A. 8 C. 10 B. 9 D. 12 49. Find the point where the normal to y = x + x^(1/2) at (4, 6) crosses the y-axis. A. 5.75 B. 9.2 50. Determine the sum of the the simultaneous C. 23 D. 11 positive-valued solutions to zx = 21. C. 17 D. 15
32. Determine B such that 3x + 2y -7=0 is perpendicular
to 2x By +2=0
A. 5
B. 4
33. Carmela and Marian got summer jobs at the ice cream
shop and were
A. 15
B. 6
supposed to work 15 hours per week each for 8 weeks.
During that time, Marian was ill for one week and Carmela
took her shifts. How many hours did Carmela work during
the 8 weeks?
A. 120
B. 135
34. A certain brand of soap was advertised. 40 percent
only watched the advertisement, 20 percent used the soap
and 15 percent watched the advertisement and used the
product as well. From this datum, find the number of
users who didn't use the new soap.
A. 37.5
C. 40
D. 30
B. 25
35. The sum of two numbers is 21 and one number is twice
the number. Find the smaller number.
C. 3
D. 2
C. 150
D. 185
A. 4p
B. 2p
C. 14
D. 7
36. A solid has a base in the form of an ellipse with
major axis 10 and minor axis 8. Find the volume if every
section perpendicular to the major axis is an isosceles
triangle with altitude 6.
A. 88.60
B. 95.32
A. 125.7
B. 219.9
37. REE-Sept 2019. What is
y =x^3, the x axis and the
A. 5.24
B. 5.42
38. Mr. Cruz owns a jewelry store. He marks up all
merchandise 50 percent of cost. If he sells a gold ring
for P15,000, what did he pay the wholesaler for it?
A. P5000
P7500
C.
D. P12000
B. P10000
39. The length of the latus rectum of the parabola y^2 =
4px is:
C. 157.1
D. 188.5
4 of 5
C. P
D. -4p
40. The volume of a hemisphere of radius 2m is
A. 14.67 cu.m.
B. 67.04 cu.m.
41. REE-Sept 2018. Radium decomposes at a rate
proportional to the amount at any instant. In 100 years,
100 mg of radium decomposes to 96 mg. How many mg will be
left after 100 years?
the area bounded by the curve
line x = -1 and x = 1?
C. 4.25
D. 2.45
C. 16.76 cu.m.
D. 33.52 cu.m.
C. 92.16
D. 90.72
42. The dimensions of a rectangular block of wood were
found to be 100, 120, and 200mm, with a possible error of
Transcribed Image Text:32. Determine B such that 3x + 2y -7=0 is perpendicular to 2x By +2=0 A. 5 B. 4 33. Carmela and Marian got summer jobs at the ice cream shop and were A. 15 B. 6 supposed to work 15 hours per week each for 8 weeks. During that time, Marian was ill for one week and Carmela took her shifts. How many hours did Carmela work during the 8 weeks? A. 120 B. 135 34. A certain brand of soap was advertised. 40 percent only watched the advertisement, 20 percent used the soap and 15 percent watched the advertisement and used the product as well. From this datum, find the number of users who didn't use the new soap. A. 37.5 C. 40 D. 30 B. 25 35. The sum of two numbers is 21 and one number is twice the number. Find the smaller number. C. 3 D. 2 C. 150 D. 185 A. 4p B. 2p C. 14 D. 7 36. A solid has a base in the form of an ellipse with major axis 10 and minor axis 8. Find the volume if every section perpendicular to the major axis is an isosceles triangle with altitude 6. A. 88.60 B. 95.32 A. 125.7 B. 219.9 37. REE-Sept 2019. What is y =x^3, the x axis and the A. 5.24 B. 5.42 38. Mr. Cruz owns a jewelry store. He marks up all merchandise 50 percent of cost. If he sells a gold ring for P15,000, what did he pay the wholesaler for it? A. P5000 P7500 C. D. P12000 B. P10000 39. The length of the latus rectum of the parabola y^2 = 4px is: C. 157.1 D. 188.5 4 of 5 C. P D. -4p 40. The volume of a hemisphere of radius 2m is A. 14.67 cu.m. B. 67.04 cu.m. 41. REE-Sept 2018. Radium decomposes at a rate proportional to the amount at any instant. In 100 years, 100 mg of radium decomposes to 96 mg. How many mg will be left after 100 years? the area bounded by the curve line x = -1 and x = 1? C. 4.25 D. 2.45 C. 16.76 cu.m. D. 33.52 cu.m. C. 92.16 D. 90.72 42. The dimensions of a rectangular block of wood were found to be 100, 120, and 200mm, with a possible error of
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