Answer:
a = -3
Step-by-step explanation:
−40 + 10a = -70
10a = -70 + 40
10a = -30
a = -30/10
a = -3
<span>D No, it is not. A straight angle has a measure greater than 90°, but it is not an obtuse angle.
The sentence should say: </span>An obtuse angle is an angle whose measure is greater than 90° but less than 180°
Answer: 8a+8b−12
Step-by-step explanation: 8a+5b−3+3(b−3)
=8a+5b+−3+(3)(b)+(3)(−3)
=8a+5b+−3+3b+−9
=(8a)+(5b+3b)+(−3+−9)
=8a+8b+−12
Answer:
2.098 seconds
Step-by-step explanation:
