Let x = Darlene's dog's weightlet y = Leah's dog's weight x = 5yx + y = 84 so, 5y + y = 84, which means 6y = 84 so, y = 84/6 = 14x = 5(14) = 70 Darlene's dog = 70 lbs, Leah's dog = 14 lbs.<span> </span>
Answer:
35 ways
Step-by-step explanation:
7 nCr 3 = 7!/(3!(7-3)!) = 7!/(3!*4!) = 35
Answer: -1/18 im pretty sure
Step-by-step explanation: Find the exact value using trigonometric identities.
Answer: 0.7
Step-by-step explanation:
The answer is 740,000. I hope this helps!