Answer:
x=17 plz the brainliest!
Step-by-step explanation:
3x+39=90
3x+39-39=90-39
3x=51
\frac{3x}{3}=\frac{51}{3}
x=17
Answer:
2a+5b
Step-by-step explanation:
7a-5a =2a
-2b+7b = 5b
Answer: I like NF and can I do it later I’m in class
Step-by-step explanation:
Answer is D
because √(18-0)²-(-10--5)²=√349
Answer:
A=9π, A=4.5π, A=20.48π + 140.8
Step-by-step explanation:
1. A=πr²
A=π6²
A=36π
A=36π/4
A=9π
2. A=π3²
A=9π
A=9π/2
A=4.5π
3. A=π6.4²
A=40.96π
A=40.96π/2
A=20.48π + (12.8)×(11)
A=20.48π + 140.8