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3 years ago

Can some help pleasee????

Mathematics

1 answer:

liraira [26]3 years ago

3 0

Answer:

Step-by-step explanation:

its the same problem, it's just swapped.

example:

(2•6)+2 = 14

2+(2•6)= 14

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Quadrilateral ABCD has vertices A(1,0) B(5,0) C (7,2) D(3,2). Use slope to prove that ABCD is a parallelogram.

Galina-37 [17]

Answer:

$AD \parallel BC$

$AB \parallel CD$

Step-by-step explanation:

The vertices of quadrilateral ABCD are A(1,0) B(5,0) C (7,2) D(3,2).

The slope of side AB is

$M_{AB}=\frac{0-0}{5-1} =\frac{0}{4}=0$

The slope of side BC is

$M_{BC}=\frac{2-0}{7-5} =\frac{2}{2}=1$

The slope of side CD is

$M_{CD}=\frac{2-2}{3-7} =\frac{0}{-4}=0$

The slope of AD is

$M_{AD}=\frac{2-0}{3-1} =\frac{2}{2}=1$

$AD \parallel BC$

$AB \parallel CD$

We see that the opposite sides of the quadrilateral ABCD are equal.

Hence the quadrilateral is a parallelogram

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3 years ago

What is the quotient of 78,600 + 12?

creativ13 [48]

The quotient of 78,600 and 12 is 6,550

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3 years ago

mr.jackson plans to cover his entire kitchen floor with 1 square foot tile. There will be no gaps between the tiles and they wil

Andrei [34K]

Answer:

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Step-by-step explanation:

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3 years ago

What is a solution to 4x+6<(with a line under it ) 18

JulsSmile [24]

Answer:

$\textbf{$x \in (-\infty, 3] $}\\$

Step-by-step explanation:

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3 years ago

CaHeK987 [17]

,,......................................

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3 years ago