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Brums [2.3K]
3 years ago
13

Which quadrilateral til always have 4-fold reflectional symmetry?

Mathematics
2 answers:
Elan Coil [88]3 years ago
6 0
The answer would be Square
KatRina [158]3 years ago
4 0
I think it is letter d
You might be interested in
Simplify<br>10x - (5x-x)​
Alex17521 [72]

<em>Answer:</em>

<em></em>\boxed{6x}<em></em>

<em>Step-by-step explanation:</em>

<em></em>10x - (5x-x)<em></em>

<em>Distribute the Negative Sign:</em>

<em></em>= 10x + -1 (5x - x)<em></em>

<em></em>= 10x + -1 ( 5x) + -1 (-x)<em></em>

<em></em>= 10x + -5x + x<em></em>

<em>Combine Like Terms:</em>

<em></em>= 10x + -5x + x<em></em>

<em></em>= (10x + -5x + x)<em></em>

<em></em>= 6x<em></em>

<em>Hope this helped you!</em>

3 0
3 years ago
Thank you, please show me the steps.
Lady bird [3.3K]
V=(1/3)hpir^2
d/2=r
2.75/2=1.375
to make volume 4 times more
multiply height by 4 or multiply radius by 2
example
find current cup volume
V=(1/3)2.75pi1.375^2=2.2057291666666pi

if we times height by 4
3.5*4=14
V=(1/3)14pi1.375^2=8.822916666666666666pi

if we times radius by 2
1.375*2=5.5
V=(1/3)3.5pi5.5^2=8.822916666666666666pi


we can show it is 4 times by
8.822916666666666666pi/2.2057291666666pi= 3.99999 close enough
dimentions are

diameter of 2.75in and height of 11in or
 diameter of 5.5in and height of 3.5 in


7 0
3 years ago
Holly finds that (11m – 13n + 6mn) – (10m – 7n + 3mn) = m – 20n + 9mn. What error did Holly make?
Natalija [7]

Answer:

she added 11 plus 10 wrong

Step-by-step explanation:

11 plus 10 = 21

6 0
3 years ago
Read 2 more answers
Solve 7 ( x + 1 ) + 2 = 5x + 15
yawa3891 [41]

Answer:

x = 3

Step-by-step explanation:

7(x + 1) + 2 = 5x + 15

~Simplify left side

7x + 7 + 2 = 5x + 15

~Combine like terms

7x + 9 = 5x + 15

~Subtract 9 to both sides

7x = 5x + 6

~Subtract 5x to both sides

2x = 6

~Divide 2 to both sides

x = 3

Best of Luck!

5 0
2 years ago
Hi guys sorri another one HEHHE <br> I KINDA NEED THIS ASAP...<br> THANKS YO SOMUCHHH
Ket [755]

Answer:

x = -1

Step-by-step explanation:

in pic

<u><em>(Credits: Symbolab)</em></u>

<u><em></em></u>

<u><em></em></u>

<u><em></em></u>

(Hope this helps can I pls have brainlist (crown)☺️)

6 0
2 years ago
Read 2 more answers
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