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Brums [2.3K]
3 years ago
6

Your friend thinks that the regular pentagon in the diagram has 10 lines of symmetry. Explain and correct your friend's error.

Mathematics
2 answers:
Andrew [12]3 years ago
7 0
A pentagon has 5 lines not 10
FrozenT [24]3 years ago
4 0

Answer:

A pentagon has 5 lines of symmetry, not 10.

Step-by-step explanation:

There are only 5 lines connecting to form a pentagon and all five lines are the same length.

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Answer:

$0.33

Step-by-step explanation:

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3 years ago
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amid [387]

Answer:

D. y²/5² - x²/8² = 1

Step-by-step explanation:

A and B are both incorrectly oriented, and D is the only hyperbola that contains the points (0,5) and (0,-5).

Verification (0,5) and (0,-5) are in the hyperbola:

First replace x and y with corresponding x and y values (We will start with x=0 and y=5)

\frac{5^{2}}{5^{2}}-\frac{0^{2}}{8^{2}}=1

Then simplify.

\frac{25}{25}-\frac{0}{16}=1

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If the result is an equation (where both sides are equal to each other) then the original x and y values inputted are valid. The same is true with x and y inputs x=0 and y=-5, or any other point along   the hyperbola.

6 0
3 years ago
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Pls answer i will give brainliest pls
Gelneren [198K]

Answer:

B

Step-by-step explanation:

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so in this cas the line intercept the y axis in the point (0,2)

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5 0
3 years ago
Input Output Which ordered pair needs to be removed in order for the mapping to represent a function? O (-3, -4) O (-2, -1) O (1
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Step-by-step explanation:

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2 years ago
I need help on this math problem
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