Answer:
Step-by-step explanation:
A and B are along a straight line
(3x - 20) + 2x = 180
5x = 200
x = 40
3(40) - 20 = 100°
Answer:
250 m/min
Step-by-step explanation:
500 m / 2 min = 250 m/min
Answer:
Monday: 4 hours = $36
Tuesday: 6 hours = $54
Wednesday: 5 hours = $45
His earnings are proportional because, for each hour, Richard earns $9. Using the formula y = kx, k (the constant) is always the same:
- 36 = k × 4 (k = $9)
- 54 = k × 6 (k = $9)
- 45 = k × 5 (k = $9)
Hope this helps!
Step-by-step explanation:
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The slope is -2/2 because to find the slope of two ordered pairs you do the equation:
Y2 - Y1
———-
X2 - X1
