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mixer [17]
3 years ago
14

Im going to give 15 points for this question please answer it

Mathematics
1 answer:
Gnom [1K]3 years ago
8 0
I know, you have to divide 90 by what ever the length is, then you have to figure out where the points are. So it should be.... D!!!
You might be interested in
Rewrite the Cartesian equation y=-3 as a polar equation.
andreev551 [17]

r

sin

θ

=

−

3

Explanation:

Imagine we have a point  

P

with Rectangular (also called Cartesian) coordinates  

(

x

,

y

)

and Polar coordinates  

(

r

,

θ

)

.

The following diagram will help us visualise the situation better:

https://keisan.casio.com/exec/system/1223526375

https://keisan.casio.com/exec/system/1223526375

We can see that a right triangle is formed with sides  

x

,  

y

and  

r

, as well as an angle  

θ

.

We have to find the relation between the Cartesian and Polar coordinates, respectively.

By Pythagora's theorem, we get the result

r

2

=

x

2

+

y

2

The only properties we can say about  

θ

are its trigonometric functions:

sin

θ

=

y

/

r

⇒

y

=

r

sin

θ

cos

θ

=

x

/

r

⇒

x

=

r

cos

θ

So we have the following relations:

⎧

⎪

⎨

⎪

⎩

r

2

=

x

2

+

y

2

y

=

r

sin

θ

x

=

r

cos

θ

Now, we can see that saying  

y

=

−

3

in the Rectangular system is equivalent to say

r

sin

θ

=

−

3

Answer link

Jim G.

May 19, 2018

r

=

−

3

sin

θ

Explanation:

to convert from  

cartesian to polar

∙

x

x

=

r

cos

θ

and  

y

=

r

sin

θ

⇒

r

sin

θ

=

−

3

⇒

r

=

−

3

sin

θ

4 0
2 years ago
Lloyd's account has a balance of −$53.50. If he owes the bank more than $40, his account gets closed. Which of the following is
Dima020 [189]

Lloyd's bank account will be closed because he owes more than $40, he would have to pay the bank $53.50 to no longer owe them any money.

It gets closed because |-53.50| > 40

4 0
2 years ago
Read 2 more answers
Solve four tenths plus four ninths
weeeeeb [17]
The answer is Eight ninetieths
Pls mark as brainliest thx
6 0
3 years ago
1 day 24 hours 60 minutes 60 seconds
torisob [31]

Answer:

86,400

Step-by-step explanation:

7 0
2 years ago
Two runners start at the same point;Jayne and Jared.
Tomtit [17]

Answer:

160

Step-by-step explanation:

  1. 8
  2. 16
  3. 24
  4. 32
  5. 40
  6. 48
  7. 56
  8. 64
  9. 72
  10. 80
  11. 88
  12. 96
  13. 104
  14. 112
  15. 120
  16. 128
  17. 136
  18. 144
  19. 152
  20. 160
6 0
2 years ago
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