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Phantasy [73]
3 years ago
7

Can someone answer these questions? Thank you!

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
5 0

Answer:

It's not a function

Because it's not a function, you don't have to answer b and c

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Is this figure a polygon? Explain.
denis-greek [22]
Yes.

It’s a flat figure (2D), and all of its lines are connected with one another. There aren’t any open points/lines. It’s closed to create a shape. This means it’s a polygon.
3 0
2 years ago
1-cos^2 A / sec^2 A - tan^2 A
tiny-mole [99]
I hope this helps you



✔cos^2A+sin^2A=1


✔1-cos^2A=sin^2A

✔cos2A=cos^2A-sin^2A

✔sin2A=2.sinA.cosA


secA=1/cosA


tgA=sinA/cosA


sin^2A/1/cos^2A-sin^2A/cos^2A


sin^2A.cos^2A/cos2A

2.sin^2A.cos^2A/cos2A


sin2A.2.sin2A/cos2A


tg2A.2.sin2A


6 0
3 years ago
How to write Q={1,2,3,5} in set builder form?<br>​
blagie [28]

Answer:

{x:x is a natural number less than 6}

Step-by-step explanation:

Set builder is a type of set where we have to represent any value inside a set

by using the variable x, v, b, a, c etc.

Eg A={1,2,3,4}

For eg {a: a is a natural number less than 5}

8 0
2 years ago
What is the slope of a line perpendicular to line 6x + 3y = 15
NISA [10]

Step-by-step explanation:

Given line is 6x+3y=15

Slope of the given line (m)=-x/y

=-6/3

=-2

let slope of the line perpendicular to the given line be m'.

Condition of perpendicularity,

m×m'=-1

-2×m'=-1

m'=-1/-2

m'=1/2

8 0
3 years ago
Suppose y varies inversely with x and that y=2 when x=8 What is an equation for this inverse variation?
bearhunter [10]

 Suppose y varies inversely with x and that y=2 when x=8 What is an equation for this inverse variation?

B. y= 2/8x

3 0
3 years ago
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