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2 years ago

I was having trouble solving #25 of this packet. Can you help?

Mathematics

1 answer:

Murljashka [212]2 years ago

6 0

Answer:

On Monday the temperature was 35 - 4 = 31°. On Tuesday, it was 31 + 2 = 33° and on Wednesday it was 33 - 5 = 28° F.

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Convert the equation r = 12 sin theta to Cartesian coordinates. Describe the resulting curve.

VLD [36.1K]

Answer:

Step-by-step explanation:

Given that there is a polar equation as

$r=12 sin \theta$

This has to be converted into cartesian.

We know the conversion is

$r^2 =x^2+y^2 \\tan \theta = \frac{y}{x}$

Using this we can say that

$sin^2 \theta = 1-cos^2 \theta \\= 1-\frac{1}{sec^2 \theta} \\=1-\frac{1}{1+tan^2 \theta} \\=1-\frac{1}{1+\frac{y^2}{x^2} } \\=1-\frac{x^2}{x^2+y^2} \\=\frac{y^2}{y^2+y^2}$

$\sqrt{x^2+y^2} =12(\frac{y}{\sqrt{x^2+y^2} } \\x^2+y^2 =12y\\x^2+y^2-12y+36 = 36\\x^2+(y-6)^2 = 6^2$ }

Circle with centre (0,6) and radius 6.

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3 years ago

Answer choices <br>• (2⅓)<br>• (1⅔)<br>• (9,-6) <br>•(1⁴/³)

Marianna [84]

303.875303.875303.875303.875303.875303.875303.875

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2 years ago

−5x−9y=3 plus 5x−9y=-2

Murrr4er [49]

Answer:

-18y=1

Step-by-step explanation:

Sorry if this is wrong, I was just guessing...

5 0

2 years ago

How many people can ride in 1 car?

Andreas93 [3]

Answer:

Depends

Step-by-step explanation:

What kind of car?

How heavy are the people?

Are they clowns? Because if they are, they can fit a lot, js

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2 years ago

7x-3=4x+3 < Answer Please

USPshnik [31]

Answer:

2! Thank it if it was helpful :D

Step-by-step explanation:

7x-4x=3+3

3x=6

x=2

8 0

2 years ago

Read 2 more answers