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3 years ago

A parallelogram which has a line of symmetry is a rectangletrue or false

Mathematics

1 answer:

ch4aika [34]3 years ago

3 0

<h3>Answer: False</h3>

Explanation:

If a parallelogram has a line of symmetry through each pair of opposite sides, then we have a rectangle.

But if a parallelogram has a line of symmetry through each pair of opposite vertices, then we have a rhombus.

A square is a combination of both cases above.

The statement "A parallelogram which has a line of symmetry is a rectangle" is sometimes true. Overall its false because it implies that all parallelograms with this property are automatically a rectangle.

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The length of a rectangle is 3 inches longer than half of its width. The area of the rectangle is 416 square inches. How many in

Pie

Answer:

C. 26 Inches

Step-by-step explanation:

Using process of elimination you can tell the answer. 26*(13+3)=416

8 0

3 years ago

HELP PLEASE!! I DONT UNDERSTAND!!!!!!!!!! THANKS SO MUCH

8090 [49]

Hello, please consider the following.

We will multiply the numerator and denominator by

$4+\sqrt{6x}$

to get rid of the root in the denominator.

First of all, we cannot divide by 0, right? So, we need to make sure that the denominator is different from 0.

$4-\sqrt{6x} =0\sqrt{6x}=4\\\\\text{Take the square}\\\\6x=4^2=16\\\\x=\dfrac{16}{6}=\dfrac{8}{3}$

We need to take any x real number different from 8/3 then and simplify the expression.

Let's do it!

$\begin{aligned}\dfrac{4}{4-\sqrt{6x}}&=\dfrac{4(4+\sqrt{6x})}{(4+\sqrt{6x})(4-\sqrt{6x})}\\\\&=\dfrac{4(4+\sqrt{6x})}{(4^2-\sqrt{6x}^2)}\\\\&=\dfrac{4(4+\sqrt{6x})}{(16-6x)}\\\\&=\dfrac{2(4+\sqrt{6x})}{(8-3x)}\\\\&\large \boxed{=\dfrac{8+2\sqrt{6x}}{8-3x}}\end{aligned}$

Thank you

8 0

3 years ago

Valus of m is :m+2m-6= -12+2m

nata0808 [166]

M + 2m - 6 = -12 + 2m
3m - 6 = -12 + 2m
      +6     +6
--------------------------------
3m = -6 + 2m
-2m       -2m
-----------------------
1m = -6
/1      /1

m = -6

7 0

3 years ago

Read 2 more answers

PLEASE HELP NOW<br> Solve the equation, then choose the correct answer: <br> -4(8 + 3y ) = 112

wolverine [178]

Answer:

y = -12

Step-by-step explanation:

-4 (8+3y) = 112

-32 -12y = 112

-12y = 144

y = -12

6 0

3 years ago

Read 2 more answers

Division and the distributive property for 54÷3

denis23 [38]

The answer for this question is 18

4 0

4 years ago

A parallelogram which has a line of symmetry is a rectangletrue or false​

A parallelogram which has a line of symmetry is a rectangletrue or false