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3 years ago

(3х2 + 6х+7) – (6х2 – 5х – 7) =

Mathematics

1 answer:

juin [17]3 years ago

4 0

Answer:

OD.-3×2+11×++4

Step-by-step explanation:

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First, you put each fraction into its greatest common denominator:
5/20 - 12/20. This then gives you the answer - 7/20.

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3 years ago

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Which point is located in Quadrant ll

katrin [286]

Answer:

(4,5)

Step-by-step explanation:

If you count the quadrants 1 and 2

3 and 4

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2 years ago

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aniked [119]

Answer:

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Step-by-step explanation:

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2 years ago

How many zeros are in the product 50 * 7000 what is the answer

Ann [662]

Answer:4

Step-by-step explanation:

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2 years ago

Help with this please

Alik [6]

Answer:

Yes, the given parallelogram is a rectangle.

Step-by-step explanation:

The vertices of parallelogram are J(-5,0), K(1,4), L(3,1) and M(-3,-3).

The slope formula is

$m=\frac{y_2-y_1}{x_2-x_1}$

$JK=\frac{4-0}{1-(-5)}=\frac{4}{6}=\frac{2}{3}$

$KL=\frac{1-4}{3-1}=\frac{-3}{2}$

$LM=\frac{-3-1}{-3-3}=\frac{-4}{-6}=\frac{2}{3}$

$JM=\frac{-3-0}{-3-(-5)}=\frac{-3}{2}$

The slopes of opposites sides are same it means they are parallel to each other.

The product of slopes of two consecutive sides is

$\frac{2}{3}\times \frac{-3}{2}=-1$

Since the product of slopes of two consecutive sides is -1, therefore the consecutive sides are perpendicular to each other.

Yes, the given parallelogram is a rectangle.

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3 years ago