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Helga [31]
3 years ago
10

The area of a circle is 9π if and only if, its radius is 3. true or false

Mathematics
1 answer:
lukranit [14]3 years ago
3 0
True :) hope this helps
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What is the equation of a line that contains the point (4, 0) and is parallel to x + y = 2?
gogolik [260]

Answer:

x + y = 4 or y = -x + 4

Step-by-step explanation:

0 = -1[4] + b

4 = b

y = -x + 4

If you want it in <em>Standard</em><em> </em><em>Form</em>:

y = -x + 4

+x +x

_________

x + y = 4 >> Line in Standard Form

* Since the <em>rate</em><em> </em><em>of</em><em> </em><em>change</em><em> </em>[<em>slope</em>] is -1 and that parallel lines have SIMILAR SLOPES, -1 remains the same.

I am joyous to assist you anytime.

6 0
3 years ago
3x-y+2=0 in rectangle form
kotegsom [21]

Complete Question:

Convert 3x-y+2=0 in rectangle form to polar form

Answer:

r ( 3cosθ - sinθ) = -2

Step-by-step explanation:

The equation so given is already in rectangular form, the task is to convert it to polar form.

3x - y + 2 = 0

To transform an equation from the rectangular to the polar coordinate:

x = r cosθ

y = r sinθ

Substitute the representations for x and y into the given equation:

3(r cosθ) - (r sinθ) + 2 = 0

3rcosθ - rsinθ = -2

The polar representation of the equation then becomes:

r ( 3cosθ - sinθ) = -2

8 0
3 years ago
Help me out please!!!!!!!
Dimas [21]

Answer: The missing side is 6mm.

Step-by-step explanation: For 18mm to drop to 12mm, it dropped 6mm. Therefore, the missing side was 12mm, and if you drop 6mm, you get 6mm.

3 0
3 years ago
Can you please answer asap please thanks is it A B C D
Keith_Richards [23]
A cylinder can be made from this net.

I hope this helps :)
7 0
4 years ago
Daniel started a video game with 30 tokens. He earned 8 more tokens 0/10
WINSTONCH [101]

Answer:

2x(30+8-6)-20

Step-by-step explanation:

7 0
3 years ago
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