Which algebraic expression is equivalent to the expression below?
2 answers:
Answer:
A. 4x²+20x+25
Step-by-step explanation:
Because of PEMDAS, you calculate the value inside of the parenthesis first, so you expand [2x+1-(4x+6)]:
2x+1-4x-6 = -2x-5.
Then apply the exponent:
(-2x-5)² = (-2x-5)(-2x-5) = 4x²+10x+10x+25 = 4x²+20x+25
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Answer:
A=254.34
Step-by-step explanation:
1. A=πr²
2. A=π(9)²
3. A=π(81)
4. A=3.14(81)
5. A=254.34
Answer:
12 + 6 have a good day
Step-by-step explanation:
Answer:
The current is 34 mph in still water, I think I could be wrong.
Using the correct order of operations, your equation would simplify as:
-36 - 10 = -26
Answer:
212/14=15
Step-by-step explanation:
