Answer:
Step-by-step explanation:
The angles are complimentary, so they add to 90
6x + 3 + 7x + 9 = 90 Combine like terms
13x + 12 = 90 Subtract 12 from both sides
13x = 90 - 12 Combine
13x = 78 Divide both sides by 13
x = 6
<A = 6x + 3
<A = 6*6 + 3
<A = 36 + 3
<A = 39
Answer:
56.3cm
Step-by-step explanation:
Check attachment
Answer:
1.6238 × 10^8
Step-by-step explanation:
-2.45 will be the write answer
Answer:
answer : 3 years ago
Step-by-step explanation:
Let x years ago.
59−x=7(11−x)
59−x=77−7x
6x=18
x=3
=3 years ago