Step-by-step explanation:
According to the cosine rule :
a = b² + c² - 2bc × cosA
a = 7² + 10² - 2 × 7 × 10 × cos40⁰
a = 49 + 100 - 106.4
a = 149 - 106.4
a = 43.4
Answer:
1795000
Step-by-step explanation:
(10×10×10)×1795
1000×1795=1795000
Answer: She rented the bike for 4 hours
Step-by-step explanation:
22-10=12
12/3=4
4 hours
Answer:
about 30,000 jeans
Step-by-step explanation:
10,00 divided by 2 is 5,000 saying the factory can produce 5,000 jeans a month. In half a year, which is 6 months, the factory can produce 30,000 jeans . Just do 6 times 5,000