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3 years ago

Does anyone know the answer to this?

Mathematics

1 answer:

VARVARA [1.3K]3 years ago

6 0

Answer:

1,4 and 1,0

Step-by-step explanation: if the x is the same then it is not a function.

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(X-1)^2 + (y-3)^2=10 convert equation from rectangular form to polar form

Zina [86]

Answer:

$r= 2(cos(\theta) + 3sin(\theta))$

Step-by-step explanation:

To convert an equation of rectangular shape to polar form use the following equivalences

$x=rcos(\theta)$

$y=rsin(\theta)$

$x^2 + y^2=r^2$

In this case we have the following equation.

$(x-1)^2 + (y-3)^2=10$

First we expanded the expression

$(x-1)^2 + (y-3)^2=10\\\\(x^2 -2x +1) +(y^2 -6y + 9) = 10\\\\\\x^2 +y^2 -2x -6y = 10-9-1\\\\x^2 +y^2 -2x -6y = 0$

Now we know that $x^2 + y^2=r^2$ , $x=rcos(\theta)$ and $y=rsin(\theta)$

$r^2 -2rcos(\theta) -6rsin(\theta) = 0\\\\r^2 - 2r(cos(\theta) + 3sin(\theta))=0\\\\r^2 = 2r(cos(\theta) + 3sin(\theta))\\\\r= 2(cos(\theta) + 3sin(\theta))$

4 0

3 years ago

If A = 3x2 + 5x - 6 and B = 2x2 + 4x + 7, then A + B equals

jok3333 [9.3K]

Answer:

5x² + 9x + 1

Step-by-step explanation:

Given:

A = 3x² + 5x - 6

B = 2x² + 4x + 7

A + B:

3x² + 5x - 6 + 2x² + 4x + 7

(3x² + 2x²) + (5x + 4x) - 6 + 7

5x² + 9x + 1

5 0

3 years ago

Put these in order from least to greatest kilometer,millimeter,inches,yards,centimeter,miles,meter

Dafna11 [192]

<span>centimeter, inch, yard, meter, kilometer, mile</span>

7 0

3 years ago

For Problems 1-3, use the grid to the right.

alex41 [277]

Answer:

1. -5

2. -24

3. 0

Step-by-step explanation:

Sum means addition.

Product means multiplication.

A negative times a negative will give you a positive.

Anything times zero is zero.

1. -2 + 5 + (-8) = -5

2. -1 * -4 * -6 = -24

3. 10 * 0 *-9 = 0

8 0

3 years ago

Which endorsement of a check is signed by the person it is made out to but has instructions to pay the check to someone else?

skad [1K]

Answer:

Full Endorsement

Step-by-step explanation:

*APEX*

7 0

4 years ago