Answer:
80.5555555556 or 80.5
Step-by-step explanation:
............
i would subtract 7 and divide by 4;
4x + 7 = 15
4x = 8
x = 2
Answer:
15 degrees
Step-by-step explanation:
So you know that the sum of the two angles is 90 degrees, so you can make an equation:
Then, solve:
subtract 45 from both sides
divide both sides by 3
This means that x = 15 degrees
Answer:
-3 ≥ x ≥ 9
Step-by-step explanation:
The domain are the x-values of every point in your graph. Since it a continuous domain, it'll be represented with ≥. Your two extremities are -3 and 9. Therefore, your domain is -3 ≥ x ≥ 9.