Answer:
Step-by-step explanation:
First find the slope of the line that passes through the points (-5,0) and (-1, -8). Notice how x increases 4 units from -5 to -1 and y decreases 8 units.
Thus, the slope of this line is m = rise / run = -8/4, or m = -2.
Another way to look at this:
change in y - 8 - 0
m = -------------------- = ------------ = -2
change in x -1 - (-5)
Please note: m=-1 - (-5) = 45
8 = -2 is not correct; 8 cannot equal -2.
<span>If 20 pounds is 9 kilograms, then 30 pounds is equal to 30/20*9 kilograms, or 13.5 kilograms.</span>
Answer:
They are mirror images across the y= x (45 ° line)
Step-by-step explanation:
Look at the graphs and see if they mirror across the 45 degree line
Average means add all scores and divide by number of scores earned
last score is x
so the sum is 75+81+x
3 scores so (75+81+x)/3=average
must be no less than (greater than or equal to 80)
(75+81+x)/3≥80
solve
times both sides by 3 to clear fraction
75+81+x≥240
156+x≥240
minus 156 from both sides
x≥84
the studen must earn at least 84 on last exam
Answer:
2bd
Step-by-step explanation: