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3 years ago

8

Prove using coordinate geometry. Prove that the points (0,0), (4,0), (4, 4) and (0, 4) create a rhombus and then show that the m

idpoints of the sides of a rhombus determine a rectangle.

1 answer:

BaLLatris [955]3 years ago

5 0

Answer:

IDK

Step-by-step explanation:

IDK

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the width of a rectangle is 5 meters less than it’s length. The area of the rectangle is 84m^2. Find the length and width of the

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16.8m is the length and 5m is width

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3 years ago

6 16x + 5y = -2<br> 4x - y=-2

Grace [21]

Answer:

x=2/9,y=26/9

Step-by-step explanation:

This is a simultaneous equation

16x+5y=-2..(1)

4x-y=-2...(2)

From (2) make y the subject of formula

y=4x+2..(3)

Substitute (3) into (1)

16x+5(4x+2)=-2

16x+20x+10=-2

36x-10=-2

Add 10 to both sides

36x=8

Divide both sides by 36

x=8/36

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Substitute the value x into (3)

y=4(2/9)+2

y=8/9+2

Let the LCM be 9

y=8+18/9

y=26/9

Therefore x=2/9,y=26/9

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3 years ago

Choose the correct simplification of the expression (2x2y6z5)(5x4y5z3).

erastovalidia [21]

Answer:

The correct option is 4.

Step-by-step explanation:

The given expression is

$(2x^2y^6z^5)(5x^4y^5z^3)$

Simplify the given expression.

$(2x^2y^6z^5)\times (5x^4y^5z^3)$

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$10x^6y^{11}z^8$

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8/10 is an equivalent fraction

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