Answer:
x ≥ -1
Step-by-step explanation:
the red fully circle in -1 show that -1 is include
Answer:
see below
Step-by-step explanation:
1.
m = (y2-y1)/(x2-x1)
= (90-80)/(0-1)
= 10/-1
=-10
The slope is -10 ft/s
This means the height decreases 10 ft for every second that passes
This is not proportional because it has to go through the point (0,0)
4.
m = (y2-y1)/(x2-x1)
= (1000-0)/(3-0)
= 1000/3
=1000/3
The slope is $1000/3
This means the 1000 dollars is sold every 3 days
This is proportional because it goes through the point (0,0) and has a constant slope
Answer:
x=5
Step-by-step explanation:
18.75÷5=3.75
12.75÷3=4.2
The pack of 5 books has the lower cost per book
Answer:
20 is correct answer
Step-by-step explanation:
8+3×4
=8+12
=20
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hope it helped you:)
thanks!