Hello :
<span>an equation is : y -3 = (-1/2)(x-2) ....(same slope : -1/2)</span>
Answer:
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In a right triangle, the measure of one acute angle is 30 less than twice the measure of the other acute angle. Find the measure of each angle.
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The sum of the 2 acute angles is 90 degrees.
x + y = 90
x = 2y-30
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Substitute for "x" and solve for "y":
2y-30 +y = 90
3y = 120
y = 40
x = 90-y
x = 90-40
x = 50
If RS arc is = to the RS central angle then the RS arc would be 20 degrees, but if the RS is on the Circumference then the RS arc would be 40.
-2(7-15) = -2(-8) = 16
16/4 = 4
Answer : D. 4
