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Snowcat [4.5K]
2 years ago
15

Any figure that has line symmetry must also have rotational symmetry. true or false

Mathematics
1 answer:
ozzi2 years ago
4 0
A figure that has line symmetry MUST also have a rotational symmetry.

 Answer is TRUE.
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Which choice does NOT match the shape with its correct number of sides?
Usimov [2.4K]
The answer is heptagon because a heptagon is a shape with 7 sides, not 6. :)
7 0
3 years ago
Pls help I’m struggling a lot
miskamm [114]

Answer:

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Step-by-step explanation:

i read the problem and answered it

6 0
2 years ago
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A fourth degree polynomial with real coefficients can have -4, 8i,+4i, and as its zeros. True or false? Justify your answer.
liraira [26]
You didn't give the fourth zero, but the answer is still false. If you have a root or an imaginary number as a zero, then its conjugate is also a zero. So if 8i is a zero, then -8i must also be a zero, and if 4i is a zero, then -4i must be a zero, with those zeros and -4, the number of zeroes exceeds the number of zeroes that a fourth degree polynomial can have.
4 0
3 years ago
Find the length and width of a rectangle that has the given perimeter and a maximum area. perimeter: 244 meters
MissTica
We know that

[perimeter of rectangle]=2*(<span>length+width)
</span>
Let
x-----------> length
y-----------> width
so
P=2*(x+y)-----------> 244=2*(x+y)-----> x+y=122-------> y=122-x

Area=x*y-------> x*(122-x)----> 122x-x²

find the derivative function and equals to zero

122-2x=0-----> 122=2x----------> x=61 m
y=122-x------> y=122-61---------> y=61 m

<span>the maximum area is given by a square
</span>
the answer is
is a square of side 61 m


6 0
3 years ago
Sorry if it is blurry but can someone help me 14 through 18
garri49 [273]
I believe number 14 is asking where the points are located. If so D (-3,-3) E(-3,-2) G(4,1) F(4,2)
5 0
3 years ago
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