4x+10 + 3x+5 +y =180
solve for y y=third angle
combine like terms
7x+15+y =180
subtract 7x+15 from each side
y = 180 -(7x+15)
y = 180 -7x-15
y = 165 -7x
The third angle equals 165-7x
Answer: Perimeter 210
Exclamation: I’m pretty sure you just have to multiply all the sides together
Hope this helps :3
Answer:
257
Step-by-step explanation:
36% of 275 is 99. 100% of 275 is 275, therefore 36 percent of 275 equals 99
Answer: 0.4575
Step-by-step explanation:
.915/2
Answer:
-1/20
Step-by-step explanation:
hope this helps!