18q+18=180
-18. -18
18q=162
/18. /18
q=9
3q=27
Answer:
2 seconds
Step-by-step explanation:
When the ball hits the ground, its height (h) will be 0. You can therefore set up the following equation:
Factor:
Since the time must be positive, it hits the ground after 2 seconds. Hope this helps!
Is there a picture or something?
Answer: IT's asking for you to put the letter of the shapes next to they're name
Step-by-step explanation:
If the crew members used 3 gal of paint per hour and bought 30 gal of paint for a job, then they will work 30:3=10 hours.
- They start at x=0 hours with y=30 gal of paint;
- They end at x=10 hours with y=0 gal of paint (they worked until they used all the paint).
- The dependence between x and y is linear.
Conclusion: the only possible sketch is A.
Answer: correct choice is A.