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3 years ago

Which rational number is equivalent to the expression 69 2/9 - -12 4/9 ?

Mathematics

1 answer:

Ugo [173]3 years ago

7 0

Answer:dd

123

Step-by-step explanation:

123

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Katie wants to hang a painting in a gallery. The painting and frame must have an area of 45 square feet. The painting is 6 feet

Luda [366]

Each side should increase by 2x (left & right, and up & down) so that to match the condition :
7+2x)(6+2x) = 45
Solving it will give you: 4x² + 26x - 3

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3 years ago

A line passes through the given points. Write an equation for the line in point-slope form. Then rewrite the equation in slope-i

Andre45 [30]

Answer:

The answer to your question is a) y - 2 = -5(x - 3)

b) y = -5x + 17

Step-by-step explanation:

Data

A (1, 12)

B (3, 2)

Process

1.- Find the slope

Formula

$m = \frac{y2 - y1}{x2 - x1}$

Substitution

$m = \frac{2 - 12}{3 - 1} = \frac{-10}{2} = - 5$

2.- Find the equation in point slope form

Equation

y - y1 = m(x - x1)

Substitution and equation

y - 2 = -5(x - 3)

3.- Find the slope-intercept form

Expand the point slope form

y - 2 = -5x + 15

Simplify

y = -5x + 15 + 2

Equation

y = -5x + 17

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kenny6666 [7]

Answer:

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Step-by-step explanation:

For perpendicular lines, find the opposite reciprocal of the original slope. The opposite reciprocal of the slope of this line (-1/2) is positive 2

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Answer:

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Step-by-step explanation:

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n200080 [17]

Answer:

5:1

Step-by-step explanation:

Divide both numbers by a common factor to reduce it. The common factor is 3.

15/3 = 5

3/3 = 1

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