Answer:
4
Step-by-step explanation:
an=-4+3(n-1)=-4+3n-3=3n-7
a1=3×1-7=3-7=-4
a5=3×5-7=15-7=8
a1+a5=-4+8=4
Answer:
Total temperatures for 8 days is 15.
The 8-day average (mean) temperature is 15/8 or 1.875 degrees.
Step-by-step explanation:
yeah
Answer:
2.875
Step-by-step explanation:
you have to change them into decimals. so 5 3/4 would be 5.75 and 2 7/8 would be 2.875. once you do that you can subtract
Answer:
Step-by-step explanation:
you can use desmos to see the graph
but 4 is the y intercept, so that means you can start from the point (0, 4). then, to draw the rest of the line, you would go up 3 and right 1 because the slope is 3 or 3/1