A. $90
150 x .40= 60
150-60=90
Answer:
each angle is less than 90 degrees. angle 1+angle2=90 degrees
Step-by-step explanation:
1. 15/3:3/3
2. 5:1
1. find the same denominator
2. divide by denominator
Answer:
9
Step-by-step explanation:
6÷2(1+2)
(1+2)
3
6÷2×3
6÷2=
3
3×3
9
Answer:
k=-1827/685
Step-by-step explanation:
8/9k+9/5=-4-9/7k
8/9k-(-9/7k)=-4-9/5
8/9k+9/7k=-20/5-9/5
56/63k+81/63k=-29/5
137/63k=-29/5
k=(-29/5)/(137/63)
k=(-29/5)(63/137)
k=-1827/685