Answer:
x = 71
Step-by-step explanation:
The sum of the measures of the exterior angles of a polygon is always 360°.
A triangle has 3 exterior angles.
152+ 137+x = 360
Combine like terms
289 +x = 360
Subtract 289 from each side
289-289+x=360-289
x = 71
Answer:
10.5 miles
Step-by-step explanation:
Ethan's favorite kind of exercise is running. He runs on a path that is 1.75 miles long. Last week, Ethan ran on the path 6 times.
The number of miles that Ethan ran on the path last week is calculated as:
Number of miles × Number of times he ran
= 1.75 miles × 6 times
= 10.5 miles
Therefore, the number of miles that Ethan ran on the path last week is 10.5 miles
Answer:
Move all terms to the left side and set equal to zero. Then set each factor equal to zero.
b
= M
/4 + 9
x
Answer:

Step-by-step explanation:
Use the circle equation, 
Plug in the center and radius:

Simplify:

So, the equation is 
Answer:
Step-by-step explanation:
f(x) = -x + 71 - 4 is a straight line. It does not have a vertex.