Answer:
I'm pretty sure it's true sorry if it's wrong!
Answer:
x = 
Step-by-step explanation:
distribute parenthesis on both sides of the equation
6x - 9 = 4x + 4 ( subtract 4x from both sides )
2x - 9 = 4 ( add 9 to both sides )
2x = 13 ( divide both sides by 2 )
x =
Answer:
Sorry I can only help you in 5a. The answer is 70 degrees because it is a central angle. The measure of an arc and a central angle is the same.
Step-by-step explanation:
Answer:
x = 84
Step-by-step explanation:
The two angles form a line
A line is 180 degrees
x+11 +85 = 180
Combine like terms
x+96 = 180
Subtract 96 from each side
x+96-96 = 180-96
x = 84
Answer:
628.32 in.²
Step-by-step explanation:
Height: 15 in.
Diameter: 10 in.
Radius: 5 in.
A = 2πrh + 2πr²
2 · π · 5 · 15 + 2 · π · 5²
≈ 628.32
