Answer:
Step-by-step explanation:
for missing angle of triangle ABC
let the missing angle be y
31+111+x=180(sum of interior angle of a triangle is 180 degree)
142+y=180
y=180-142
y=38 degree
x=y(being alternate angles)
x=38 degree
Hello :
4(3x² +2)-9=8x²+7 = <span>4(3x^2 +2)-9 +9 =8x²+7 +9
= </span><span> 4(3x² + 2)=8x² + 16
</span><span>(State a reason why1) Addition Property of Equality)</span>
Answer:
500
Step-by-step explanation:
multiply all of them
Answer:
how to do this
Step-by-step explanation:
