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3 years ago

Can you please solve AND EXPLAIN this equation: -2y is less than or equal to 2 - 2x

Mathematics

1 answer:

grin007 [14]3 years ago

3 0

Answer:

$y\geq -1 + x$

Step-by-step explanation:

$-2y\leq 2-2x\\$ Divide everything by 2

$-y\leq 1-x$ Divide everything by -1 and since y is negative, you flip the sign

$y\geq -1 + x$

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Simplify the following rational expression

madreJ [45]

Step-by-step explanation:

as the denominator (x+3) is in both you need only one denominator to be multiplied in first rational number .

2x (x-2). + 5.

(x+3) (x-2). (x+3) (x-2)

2x^2-4x +5

(x+3) (x-2)

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3 years ago

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Solve the radical equation.

Artist 52 [7]

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Answer:

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Step-by-step explanation:

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3 years ago

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What are the coordinates of A’ after reflecting across the line x = 3?

bazaltina [42]

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3 years ago

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The sun of interior angles of a regular polygon is 1260°.Calculate the number of sides of the polygon and the size of each exter

natka813 [3]

Answer:

a)The number of sides of the polygon = 9 sides

b) The size of each exterior angle = 40°

Step-by-step explanation:

The sun of interior angles of a regular polygon is 1260°.Calculate the number of sides of the polygon and the size of each exterior angle.

a) The number of sides of the polygon

We solve using the formula

S = ( n - 2 ) × 180 °

Where S = Sum of the Interior angles = 1260°

1260° = (n - 2) × 180°

Divide both sides by 180°

1260°/180° = n - 2

7 = n - 2

n = 7 + 2

n = 9 sides

b) The size of each exterior angle

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Hence, size of each exterior angle = 360°/number of sides of the polygon

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3 years ago

X-2/3= 6 1/3 what is the answer??????????

vichka [17]

For this case we must find the solution of the following equation:

$x- \frac {2} {3} = 6 \frac {1} {3}$

Rewriting the mixed number in the form of improper fraction we have:

$x- \frac {2} {3} = \frac {3 * 6 + 1} {3}\\x- \frac {2} {3} = \frac {19} {3}$

Add $\frac {2} {3}$ to both sides of the equation:

$x = \frac {19} {3} + \frac {2} {3}$

We add the fractions with the same denominator:

$x = \frac {19 + 2} {3}\\x = \frac {21} {3}\\x = 7$

So, the solution is $x = 7$

Answer:

$x = 7$

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3 years ago