Answer:
x= 16 or -8
Step-by-step explanation:
absoultes
Answer:
3) 
4)
Step-by-step explanation:
distance between two points:
we have:
3) (6, -2), (8, -3)
so we have:
4) (7,-8), (-8, 2)
Answer:
6
+ 6m -9
=> (6 - 9) + 6m
=> -3 + 6m
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Answer: 30 people
In the first vineyard, it needs 25 people working for 9 days to finish 30 acres of vineyard. Using this information you can determine the worker speed. The number of worker and days were given will increase the speed, but the area of the vineyard will decrease it. The calculation would be:
Worker speed= worker number * times given / vineyard area
Worker speed= 25 people * 9 days / 30 acres = 7.5 people days /acres
Applying the same calculation into the second vineyard would be:
Worker speed= worker number * times given / vineyard area
7.5 people days /acres = worker number * 5 days / 20 acres
Worker number= (7.5 people days /acres ) / 5 days x 20 acres= 30 people
Answer:
14.3%
Step-by-step explanation:
There is only one four out of 7 total numbers.
1/7 = 0.142857 = 14.29%
