2 years ago

Solve by finding the square root 2x^2=32

Mathematics

2 answers:

Cerrena [4.2K]2 years ago

8 0

2x^2=32 so divide by 2 to make x^2=16 and the square root so x=4

mario62 [17]2 years ago

4 0

Divide both sides by 2
x^2=16
take the square root of both sides (remember + or -)
x=+or- 4

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Step-by-step explanation:

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3 years ago

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3 years ago

Evaluate the expression<br><br> x^2 (y - 2)<br> —————, if x=3, and y= -1<br> 3y

vitfil [10]

Answer:

$\huge\boxed{\sf 9}$

Step-by-step explanation:

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Hope this helped!

<h3>~AH1807</h3><h3>Peace!</h3>

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2 years ago

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I need to see how to work this problem 6-(-7)=

alisha [4.7K]

Hi there!

Here is what the rules says

+ * + = + (Plus times plus = plus)
+*- = - (Plus times minus = minus)
- * - = + (Minus times minus = Plus
- * + = - (minus times plus = minus)

You need to know the rules by heart because you will use it a lot.

So let see how it works with the problem

6 -(-7)
What does the rules say? It says
- * - = plus
So, we gonna use PLUS for the sign
6-(-7) = 6 + 7 = 13

13 is the correct answer.

I hope I helped. Please let me know if you have more questions.

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2 years ago

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