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3 years ago

True or false a rectangle with four right angles is a square

Mathematics

2 answers:

iragen [17]3 years ago

8 0

False a rectangle could never be a square

bagirrra123 [75]3 years ago

7 0

Answer:

False.

Step-by-step explanation:

Every rectangle had 4 right angles, including squares, which are also rectangles! ^^ Squares are basically just special rectangles!

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I need help on these question ASAP!!!! This is Urgent

GarryVolchara [31]

Part 1: The equation of the line is $y=2x+1$

Part 2: The equation of the line in slope intercept form is $y=-3x-1$

Explanation:

Part 1: It is given that the point A is $(1,3)$ and the line B is $y=2 x-2$

To determine the line passing through the point A and parallel to line B, let us first determine the slope and y-intercept.

From the equation of line B, the slope is $m=2$

Substituting the point $(1,3)$ and $m=2$ in slope intercept form $y=mx+b$ , we have,

$3=2(1)+b$

$3=2+b$

$1=b$

Thus, the y-intercept is $b=1$

Let us substitute the values $m=2$ and $b=1$ in the slope intercept form $y=mx+b$ , we get,

$y=2x+1$

Thus, the equation of the line passing though point A and parallel to line B is $y=2x+1$

Part 2: The given two coordinates are $(-1,2)$ and $(1,-4)$

To determine the equation of line in slope intercept form, first we shall find the slope and y-intercept.

From the graph, we can see that the line touches the y-axis at -1.

Hence, the y-intercept is $b=-1$

The formula for slope is $m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

Substituting the coordinates $(-1,2)$ and $(1,-4)$ , we have,

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

Thus, the slope is $m=-3$

Substituting the values $b=-1$ and $m=-3$ in the slope intercept formula $y=mx+b$ , we get,

$y=-3x-1$

Thus, the equation of the line in slope intercept form is $y=-3x-1$

4 0

3 years ago

2x+9−5x=12 i dont under stand how to get the answer

Alona [7]

Answer:
The answer is x=-1

6 0

3 years ago

5 + 7) + 3 = 5 + (7 + 3)

Liula [17]

Answer:

Step-by-step explanation:

Associative property

3 0

3 years ago

2.6.PS-

mojhsa [17]

Answer:

Step-by-step explanation:

5 bags= $12.50

1= ?

$12.50*1= 12.50

$12.50/5= $2.5

$2.5*5=$12.5

$2.5*3= $7.5

3 bags= $7.5

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2 years ago

Identified the pattern for the following sequence find the next three terms in the sequence -1 3 -9 27

Nastasia [14]

Each term after the first is obtained by multiplying the previous one by -3 so the answer is -81 , 243

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3 years ago