True or False: The value of r represents the reference angle when plotting a point in polar coordinates.

Answers

Answer 1
Answer: The answer to the statement above would be false. The value of r does not represent the reference angle when plotting a point in polar coordinates. Instead, it represents the polar distance instead of the angle. The reference angle is represented by t.
Answer 2
Answer:

Answer:

False

Step-by-step explanation:

In cartesian coordinates, we represents a point as (x,y).

Whereas, in polar coordinates, we represent a point as(r,\theta)

Here,

r=√(x^2+y^2)\n\n\theta=\tan^(-1)((y)/(x))

The term r is the radial distance from origin and the angle Ф is the polar angle.

Therefore, the term r doesn't represent the reference angle when plotting a point in polar coordinates.

Hence, the given statement is false.


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Answers

Answer:

14=D

15=D

Step-by-step explanation:

Numbers 20 - 22 please

Answers

(x+5)(x+2)=x^2+2x+5x+10=x^2+7x+10\n\n (x-1)(2x^2-4x+10)=2x^3-4x^2+10x-2x^2+4x-10=\n =2x^3-6x^2+14x-10\n\n (c^2-10)(4c+3)=4x^3+3c^2-40c-30

A student has 4 fifths gallons of popcorn to give away. He wants to split it evenly between his 7 friends. How much popcorn does each friend receive?I am in a rush pls help

Answers

By taking a quotient, we conclude that each friend will get 4/35 gallons of popcorn.

How much popcorn will each friend receive?

To solve this, we need to take the quotient between the total amount of popcorn, which we know is 4/5 gallons, between the total number of friends, which we know is 7.

So we just need to take the quotient between 4/5 and 7, it will be:

N = (4/5)/7

That can be rewritten to:

N = (4/5)*(1/7)

The denominators will be multiplied, so we get:

N = 4/(5*7) = 4/35

From this, we conclude that each friend will get 4/35 gallons of popcorn.

If you like to learn more about quotients:

brainly.com/question/8952483

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What is the aswer ??????​

Answers

Answer:

A prime numbers are numbers which have only two factor

The answer is prime number because it’s only two factor

Find the equation of a straight line passing through the point (0,1) which is perpendicular to the line y=-2x+2

Answers

Answer:

y = (1)/(2) x + 1

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = - 2x + 2 ← is in slope- intercept form

with slope m = - 2

Given a line with slope m then the slope of a line perpendicular to it is

m_(perpendicular) = - (1)/(m) = - (1)/(-2) = (1)/(2)

The line crosses the y- axis at (0, 1) ⇒ c = 1 , then

y = (1)/(2) x + 1 ← equation of perpendicular line

Suzanna wants to measure a board, but she doesn't have a ruler to measure with. However, she does have several copies of a book that she knows is 17 centimeters tall. a. Suzanna lays the books end to end and finds that the board is the same length as 21 books. How many cenimeters long is the board?

Answers

Answer: Board is 357 cm long.

Step-by-step explanation:

Since we have given that

Suzanna wants to measure a board but she doesn't have a ruler to measure with,So she has several copies of a book that she knows is 17 cm tall where She lays the books end to end to find the length of board which is the same  length as  21 books.

So,

Number of books = 21

Length of board of each book = 17 cm

According to question, we need to find the length of board for 21 books:

Length of board is given by

21* 17\n\n=357\ cm

Hence, Board is 357 cm long.

Answer=357centimeters

21*17=357cm