Answer:
x = 5
Step-by-step explanation:
a) The third interior angle of this triangle is 180 - 20 x.
The three interior angles must sum up to 180 degrees.
Therefore, 60 + 7x + 5 + 180 - 20x = 180, or
65 + 180 - 13x = 180, or
65 - 13x = 0
Finally, 13x = 65, and so x = 5
Answer: 4.5 * 10^4
Step-by-step explanation:
Answer:
a straight line at an angle of 90° to a given line, plane, or surface.
Step-by-step explanation:
160•.60=96
160-96=64
the discount is 96 and the amount after the discount is 64 i think