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3 years ago

2. Graph the solution set to the following inequality: 7-y<2x

Mathematics

1 answer:

nirvana33 [79]3 years ago

7 0

Step-by-step explanation:

First solve for y,

7-y<2x

7-2x<y

y>-2x+7

your y intercept would be (0,7)

and your slope would be -2/1 so, you go down 2 and 1 to the right.

Since this is a greater than symbol, we have to shade above the line and the line would also be a dotted line.

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3 years ago

What is the value of x in the figure? A. 40 B. 70 C. 80 D. 120 E. 150

Marizza181 [45]

Answer:

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3 years ago

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4 years ago

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Which value of x would make this equation true? 4x-10=18

garik1379 [7]

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3 years ago

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Combine the radicals. 3√5-8√5+2√5

weeeeeb [17]

Answer: $-3\sqrt{5}$

-3 times the square root of 5

=============================================

Explanation:

Let $x = \sqrt{5}$

Replace all the root 5 terms with x and we go from

$3\sqrt{5}-8\sqrt{5}+2\sqrt{5}$

$3x-8x+2x$

From here, combine like terms to get

$3x-8x+2x = -5x+2x = -3x$

and the last thing to do is replace the x with sqrt(5)

$-3x = -3\sqrt{5}$

Meaning that,

$3x-8x+2x = -3x$

$3\sqrt{5}-8\sqrt{5}+2\sqrt{5} = -3\sqrt{5}$

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3 years ago