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_12. Given: ADEC - A RST, If DE=5 and RS=9, Find the ratio of their areas. 25 b. 5/9 c. 10/18 81/25 а. 81

_12. Given: ADEC - A RST, If DE=5 and RS=9, Find the ratio of their areas. 25 b. 5/9 c. 10/18 81/25 а. 81

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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12. Given: ADEC - A RST, If DE=5 and RS=9, Find the ratio of their areas. 25 b. 5/9 c. 10/18 81/25 а. 81 _13. The sum of two numbers is 88 and their ratio is 6:5. What are the numbers? a. 38 and 50 b. 48 and 40 c. 58 and 30 d. 68 and 20 _14. The money used in Jordan is called the Dinar. The exchange rate is $3 to 2 Dinars. Find how many dollars you would receive if you exchanged 22 Dinars. a. $44 15. If h: g = 5: 7, find 7h - 3g: 7h + g b. $10 c. $33 d. $15 а. 1: 2 b. 1: 3 с. 1: 4 d. 1: 5 2m 16. If 5 the m = %3D а. 5 b. 10 с. б d. 7 _17. The difference between two numbers is 28 and their ratio is 3:7. Find the numbers. a. 21 and 29 _18. If the scale factor of two similar triangles is 13/5, what is the perimeter of the larger triangle if the perimeter of the smaller is 65 cm.? а. 169 cm _19. A wholesaler in Divisoria bought 840 m of curtain material which will be divided into 3 bundles in the ratio of 2:5:7. How many meters of curtain material are in each bundle? b. 20 and 48 c. 19 and 47 d. 18 and 46 b. 42 cm с. 39 cm d. 36 cm c. 20, 50 and 70 d. 30, 60 and 40 а. 60, 120 and 300 20. If a 6 ft tall1 tent casts a 10 ft long shadow then how long is the shadow that a 9 ft tall adult elephant casts? a. 16 ft b. 120, 300 and 420 b. 14 ft с. 15 ft d. 20 ft
Transcribed Image Text:12. Given: ADEC - A RST, If DE=5 and RS=9, Find the ratio of their areas. 25 b. 5/9 c. 10/18 81/25 а. 81 _13. The sum of two numbers is 88 and their ratio is 6:5. What are the numbers? a. 38 and 50 b. 48 and 40 c. 58 and 30 d. 68 and 20 _14. The money used in Jordan is called the Dinar. The exchange rate is $3 to 2 Dinars. Find how many dollars you would receive if you exchanged 22 Dinars. a. $44 15. If h: g = 5: 7, find 7h - 3g: 7h + g b. $10 c. $33 d. $15 а. 1: 2 b. 1: 3 с. 1: 4 d. 1: 5 2m 16. If 5 the m = %3D а. 5 b. 10 с. б d. 7 _17. The difference between two numbers is 28 and their ratio is 3:7. Find the numbers. a. 21 and 29 _18. If the scale factor of two similar triangles is 13/5, what is the perimeter of the larger triangle if the perimeter of the smaller is 65 cm.? а. 169 cm _19. A wholesaler in Divisoria bought 840 m of curtain material which will be divided into 3 bundles in the ratio of 2:5:7. How many meters of curtain material are in each bundle? b. 20 and 48 c. 19 and 47 d. 18 and 46 b. 42 cm с. 39 cm d. 36 cm c. 20, 50 and 70 d. 30, 60 and 40 а. 60, 120 and 300 20. If a 6 ft tall1 tent casts a 10 ft long shadow then how long is the shadow that a 9 ft tall adult elephant casts? a. 16 ft b. 120, 300 and 420 b. 14 ft с. 15 ft d. 20 ft
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