keeping in mind that perpendicular lines have negative reciprocal slopes, let's check for the slope of the equation above
well then, so since this equation has that slope therefore
so we're really looking for the equation of a line whose slope is 8/5 and runs through (10,10)
Answer:
2/20
Step-by-step explanation:
The answer is A down five over four and intercepts the y at -1
Answer: 28.8°
<u>Step-by-step explanation:</u>
∠A = 5(∠B) + 7.2°
∠B = ∠B
Since they are on a straight line, they form a linear pair (sum = 180°)
∠A + ∠B = 180°
Use Substitution:
5(∠B) + 7.2° + ∠B = 180°
Add like terms:
6(∠B) + 7.2° = 180°
Subtract 7.2° from both sides:
6(∠B) = 172.8°
Divide both sides by 6:
∠B = 28.8°
