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lakenyahar
25.06.2019 •
Mathematics
Fine floors can install 15 square yards of carpeting in 4 hours and 30 minutes. at this rate, how long would it take to install carpeting in a room that measures 11 feet 9 inches by 13 feet 4 inches? a.) 4 hours b.) 5.5 hours c.) 58 hours d.) 5 hours, 13 minutes
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Ответ:
Ответ:
1. x = 70, acute
2. x = 46, right
3. x = 64, acute
Step-by-step explanation:
1. 50 + 60 + x = 180
110 + x = 180
-110 -110
x = 70
2. 90 + 44 + x = 180
134 + x = 180
- 134 -134
x = 46
3. 68 + 48 + x = 180
116 + x = 180
-116 -116
x = 64