47. A point moves in the plane according to equations x = = t² + 2t and y = 2t3 - 6t. Find dy/dx when t 0, 2, 5. A. -3, -3, -12 C. 3, 3, 12 B. 3, -3, 12 D. -3, 3, 12 48. A nutritionist in a hospital is arranging special diets that consist of a combination of three basic foods. It is important that patients on this diet consume exactly 310 units of calcium, 190 units of iron, and 250 units of vitamin A each day. The amounts of these nutrients in one ounce food are given in the following table. Units per Ounce Calcium Iron Vitamin A Food A 30 10 10 Food B 10 10 30 Food C 20 20 20 How many ounces each food must be used to satisfy the nutrient requirements exactly? A. 6 ounces of Food A, 5 ounces of Food B and 3 ounces of Food C B. 3 ounces of Food A, 5 ounces of Food B and 6 ounces of Food C C. 6 ounces of Food A, 3 ounces of Food B and 5 ounces of Food C D. 5 ounces of Food A, 3 ounces of Food B and 6 ounces of Food C 49. Find the number of sides a polygon has if the sum of the measures of the interior angle is 3600°. A. 42 C. 22 B. 32 D. 52
47. A point moves in the plane according to equations x = = t² + 2t and y = 2t3 - 6t. Find dy/dx when t 0, 2, 5. A. -3, -3, -12 C. 3, 3, 12 B. 3, -3, 12 D. -3, 3, 12 48. A nutritionist in a hospital is arranging special diets that consist of a combination of three basic foods. It is important that patients on this diet consume exactly 310 units of calcium, 190 units of iron, and 250 units of vitamin A each day. The amounts of these nutrients in one ounce food are given in the following table. Units per Ounce Calcium Iron Vitamin A Food A 30 10 10 Food B 10 10 30 Food C 20 20 20 How many ounces each food must be used to satisfy the nutrient requirements exactly? A. 6 ounces of Food A, 5 ounces of Food B and 3 ounces of Food C B. 3 ounces of Food A, 5 ounces of Food B and 6 ounces of Food C C. 6 ounces of Food A, 3 ounces of Food B and 5 ounces of Food C D. 5 ounces of Food A, 3 ounces of Food B and 6 ounces of Food C 49. Find the number of sides a polygon has if the sum of the measures of the interior angle is 3600°. A. 42 C. 22 B. 32 D. 52
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Kindly please answer numbers 47-49 questions. Since your policy is at-least maximum with 3 per sub questions is okay. This is of my reviewer.
![44. Light travels at a rate of approximately 1.86 x 10^5 miles
per second. It takes light 5 x 10² seconds to travel from
the sun to Earth. What is the distance between Earth and
the sun? [Hint: d = rt]
A. 83 million miles
C. 103 million miles
D. 93 million miles
B. 73 million miles
45. An equipment cost P480,000 and has a salvage value of 10 %
of its cost at the end of its life of 36,000 operating
hours in a period of 5 yrs. In the first year of service,
it was used for 12,000 hours. If at the end of the 2nd
year, it was used for 15,000 hours, find the depreciation
at the end of the 2nd year.
A. 324,000
C. 144,000
D. 180,000
B. 160,000
46. A father wants to set aside money for his 5-year old son's.
future college education. Money can be deposited in a bank
account that pays 8% per year, compounded annually. What
equal deposits should be made by the father, on his son's
6th through 17th birthdays, in order to provide Php5000 on
the son's 18th, 19th, 20th, and 21st birthdays?
A. Php822.67
C. Php877.67
B. Php827.67
D. Php872.67
47. A point moves in the plane according to equations x = t² +
2t and y = 2t3 - 6t. Find dy/dx when t = 0, 2, 5.
A. -3, -3, -12
C. 3, 3, 12
B. 3, -3, 12
D. -3, 3, 12
48. A nutritionist in a hospital is arranging special diets
that consist of a combination of three basic foods. It is
important that patients on this diet consume exactly 310
units of calcium, 190 units of iron, and 250 units of
vitamin A each day. The amounts of these nutrients in one
ounce food are given in the following table.
Units per Ounce
Calcium.
Iron
Vitamin A
Food A
30
10
10
Food B
10
10
30
Food C
20
20
20
How many ounces each food must be used to satisfy the
nutrient requirements exactly?
A. 6 ounces of Food A, 5 ounces of Food B and 3 ounces of
Food C
B. 3 ounces of Food A, 5 ounces of Food B and 6 ounces of
Food C
C. 6 ounces of Food A, 3 ounces of Food B and 5 ounces of
Food C
D. 5 ounces of Food A, 3 ounces of Food B and 6 ounces of
Food C
49. Find the number of sides a polygon has if the sum of the
measures of the interior angle is 3600°.
A. 42
C. 22
B. 32
D. 52](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd7da6932-b078-4567-87b7-2168b6f1031f%2F444369cd-185f-4ddb-8d81-a753afcb093f%2Fyx296ss_processed.jpeg&w=3840&q=75)
Transcribed Image Text:44. Light travels at a rate of approximately 1.86 x 10^5 miles
per second. It takes light 5 x 10² seconds to travel from
the sun to Earth. What is the distance between Earth and
the sun? [Hint: d = rt]
A. 83 million miles
C. 103 million miles
D. 93 million miles
B. 73 million miles
45. An equipment cost P480,000 and has a salvage value of 10 %
of its cost at the end of its life of 36,000 operating
hours in a period of 5 yrs. In the first year of service,
it was used for 12,000 hours. If at the end of the 2nd
year, it was used for 15,000 hours, find the depreciation
at the end of the 2nd year.
A. 324,000
C. 144,000
D. 180,000
B. 160,000
46. A father wants to set aside money for his 5-year old son's.
future college education. Money can be deposited in a bank
account that pays 8% per year, compounded annually. What
equal deposits should be made by the father, on his son's
6th through 17th birthdays, in order to provide Php5000 on
the son's 18th, 19th, 20th, and 21st birthdays?
A. Php822.67
C. Php877.67
B. Php827.67
D. Php872.67
47. A point moves in the plane according to equations x = t² +
2t and y = 2t3 - 6t. Find dy/dx when t = 0, 2, 5.
A. -3, -3, -12
C. 3, 3, 12
B. 3, -3, 12
D. -3, 3, 12
48. A nutritionist in a hospital is arranging special diets
that consist of a combination of three basic foods. It is
important that patients on this diet consume exactly 310
units of calcium, 190 units of iron, and 250 units of
vitamin A each day. The amounts of these nutrients in one
ounce food are given in the following table.
Units per Ounce
Calcium.
Iron
Vitamin A
Food A
30
10
10
Food B
10
10
30
Food C
20
20
20
How many ounces each food must be used to satisfy the
nutrient requirements exactly?
A. 6 ounces of Food A, 5 ounces of Food B and 3 ounces of
Food C
B. 3 ounces of Food A, 5 ounces of Food B and 6 ounces of
Food C
C. 6 ounces of Food A, 3 ounces of Food B and 5 ounces of
Food C
D. 5 ounces of Food A, 3 ounces of Food B and 6 ounces of
Food C
49. Find the number of sides a polygon has if the sum of the
measures of the interior angle is 3600°.
A. 42
C. 22
B. 32
D. 52
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