Answer:
x > -1
Step-by-step explanation:
* Remember that,
if you have a negative sign (-) infront of the x you have to change the direction of the inequality sign.
Hope this helps you .
Let me know if you have any other questions :-)
When 20 large rooms are occupied, the total amount of money collected from the large room is $1800. When 10 large rooms and 21 s
2 answers:
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The best thing is to have a ruler with the appropriate units to construct these triangles;)
Answer: The average was 9 years old find the average age of both groups is 10 years old.
Step-by-step explanation:
Formula foe average :
Given : The first group of students consists of 10 and their average age was 13 years old.
i.e. (1)
The next group consisted of 30 students and their average was 9 years old.
i.e. (2)
Then from (1) and (2) , the sum of both groups (first group and next group )students = 130+270 =400
Combined students of both groups (first and next group )= 10+30=40
Now , the average of both groups =
Hence, the average was 9 years old find the average age of both groups is 10 years old.