How do I do the step by step to find the solution for this problem -4y+6>22

Mathematics

2 answers:

gtnhenbr [62]3 years ago

6 0

$-4y+6 > 22\ \ \ \ /-6\\\\-4y+6-6 > 22-6\\\\-4y < 16\ \ \ \ /:(-4) < 0\\\\y < 16:(-4)\\\\y < -4\\\\\\y\in(-\infty;-4)$

Masteriza [31]3 years ago

3 0

Well to isolate the variable you should subtract 6 from both sides resulting in -4y > 16
Now just divide by -4, however, keep in mind that when you divide or multiply by a negative number when there is a sign, always switch the sign, so just divide by -4 and get y < 4

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Evaluate the exponential expression: (2x)2nd power −3y2nd power =___, if x = 5 and y = 3.

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ANSWER

A. 73

EXPLANATION

The given expression is

$(2{x})^{2} - 3{y}^{2}$