If 2 angles are supplementary:
α + β = 180°
α = 3 β + 54°
3 β + 54° + β = 180°
4 β = 126°
β = 126° : 4
β = 31° 30 `
α = 180° - 31° 30 `
α = 148° 30 `
Answer:
The measure of the first angle is 148° 30 `.
Answer:
V = 3^3 = 5^3
Volume of each cube is side^3. To find the volume of both cubes just add the two volumes together.
Step-by-step explanation: Your welcome.
Answer:
B. n + 17 = 26
Step-by-step explanation:
A and C are immediately out as they don't have "any number" in them. It cannot be D because it's "17 more than a number", not 26 more than a number. Thus, the answer is B.
Answer:
-3
Step-by-step explanation:
