Answer:
412
Step-by-step explanation:
Substitute 50 for <em>n</em>:

Simplify:

Answer:

Step-by-step explanation:




Answer:
14
Step-by-step explanation:
So we have the expression:

Substitute 2 for a, 3 for b, and 4 for c:

Multiply:

Add:

X=5 we’ve settled that. now all you have to do is pemdas.
P: (Parentheses)
E: Exponents
M: Multiplication
D: Division
A: Addition
S: Subtraction
1.) replace x as 5 so it looks like this:
(5+3)2
2.) solve inside parentheses.
(8)2
3.) 8x2=16
ANSWER: (x+3)2 = 16
and you can check that!
Have a lovely day and mark me brainliest please.
Answer:
144
Step-by-step explanation:
Volume of a Sphere :
V = 


V = 


V =
(216)
(216 times 4, divided by 3)
V = 288
Now divide by 2, it's only half of a sphere.