3 years ago

Which best describes the polygon whose vertices in the coordinate plane are ?

Mathematics

2 answers:

sattari [20]3 years ago

8 0

I think it would be b

WITCHER [35]3 years ago

6 0

C.regular I think so

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Ali has a quarters, d dimes, and n nickels. He gets four more quarters. He gives away three

viva [34]

Answer:

(q + 4) + (d - 3) + n

Step-by-step explanation:

You have to add all of them.

You have to add q, d, and n.

so q + d + n

and then you add four more q's so

(q + 4) + d + n

and then you lost 3 dimes so

(q + 4) + (d - 3) + n

and nothing happened to n so that is the answer.

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3 years ago

50 points!!! Which equation is represented on the graph?

gavmur [86]

Answer:

I think the answer is b ill look into it a Lil more

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Find the equation of the line that is perpendicular to y = 1/4 x – 2 and passes though the point (5, –2).

zlopas [31]

$\textsf{Let y = ax + b the line we want to find.}$

$\textsf{We know that the slope of y = ax + b is the inverse of the slope of } \mathsf{ y = \frac{1}{4}x - 2.}$

$\textsf{Thus:}$

$\mathsf{a = \dfrac{1}{\frac{1}{4}} = 4}$

$\textsf{As y = 4x + b passes thought (5, -2):}$

$\mathsf{-2 = 4 \cdot 5 + b \Rightarrow 20 + b = -2 \Rightarrow b = -22}$

$\textsf{Hence the line y = 4x - 22 is perpendicular to }\mathsf{y=\frac{1}{4}x - 2}\textsf{ and passes for the point (5, -2).}$

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Select steps that could be used to solve the equation 1 + 3x = -x + 4.

eduard

Does it have multiple correct answers?

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