If Marie were to paint her living room alone, it would take 7 hours. Her sister Barbara could do the job in 8 hours. How many ho
urs would it take them working together? Express your answer as a fraction reduced to lowest terms, if needed.
1 answer:
Answer:

Step-by-step explanation:


Now, Reciprocal–


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Answer:
x = 10
Step-by-step explanation:
cos 45 = 5
/ x
x = 5
/ cos 45, cos 45 =
/ 2
x = 10
Answer:
Step-by-step explanation:
1. 118
2. 62
4. 118
5. 118
6. 62
7. 62
8. 118
512 I think I’m not sure though .
Yes, all prime numbers are odd except the number 2