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Gnesinka [82]
3 years ago
14

Evaluate the expression for b = 5 4b^2​

Mathematics
1 answer:
Alex17521 [72]3 years ago
5 0

Answer: 100

Step-by-step explanation:

Sub in 5 for b in the expression

4b^2\\4(5)^2

You must do the exponent first as it comes before multiplication in the order of operations

4(5)^2\\4(25)

Now multiply

4(25)\\100

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Solve for y<br> 1/2y + 1 = 2
alina1380 [7]

Hey there!

ORIGINAL EQUATION:

1/2y + 1 = 2

SUBTRACT 1 to BOTH SIDES:

1/2y + 1 - 1 = 2 - 1

CANCEL OUT: 1 - 1 because it give you 0

KEEP: 2 - 1 because it help solve for the y-value

NEW EQUATION: 1/2y = 2 - 1

SIMPLIFY IT!
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MULTIPLY 2 to BOTH SIDES

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KEEP: 1 * 2 because it give you the y-value

NEW EQUATION: y = 2 * 1

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Therefore, your answer is: y = 2


Good luck on your assignment & enjoy your day!


~Amphitrite1040:)

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