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erastovalidia [21]
3 years ago
12

Which equation represents a circle with the same center as

Mathematics
2 answers:
Stolb23 [73]3 years ago
7 0

Answer:

(x - 4)² + (y - 5)² = 4

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

Given

(x - 4)² + (y - 5)² = 2

with centre (4, 5) and r = \sqrt{2}

The comparable equation with equivalent left side and r = 2 is

(x - 4)² + (y - 5)² = 4

ale4655 [162]3 years ago
6 0

Answer:

Yeah It's B

Step-by-step explanation:

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20 red marbles to 40 blue marbles (ratio as a fraction)
Tanya [424]

Answer:

20/40 = 10/20 = 1/2, 1:2

Step-by-step explanation:

I hope this helped and if it did I would appreciate it if you marked me Brainliest. Thank you and have a nice day!

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2 years ago
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A cell phone provider offers a plan that costs ​$30 per month plus ​$0.10 per text message sent or received. A comparable plan c
mariarad [96]

300 messages would have to be sent or received in order for the plan to cost same each month.

Step-by-step explanation:

Given,

Cost per month = $30

Per text sent or received charges = $0.10

Let,

x be the number of texts sent or received.

A(x) = 0.10x+30    

A comparable plan costs = $60 per month

Text messages are unlimited.

B(x) = 60

For the two plans to cost equal;

A(x) = B(x)

0.10x+30=60\\0.10x=60-30\\0.10x=30

Dividing both sides by 0.10

\frac{0.10x}{0.10}=\frac{30}{0.10}\\x=300

300 messages would have to be sent or received in order for the plan to cost same each month.

Keywords: function, addition

Learn more about functions at:

  • brainly.com/question/2860697
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3 0
3 years ago
Which is bigger .21 or 21% if they equal the same then let me know as well
DaniilM [7]
It is equal. .21 ia the same as 21%
8 0
3 years ago
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Given that (8,4) is on the graph of f(x), find the corresponding point for the function f(4x).
LekaFEV [45]
\bf \stackrel{f(x)}{(8~~,~~4)}\qquad \qquad \qquad \stackrel{f(4x)}{(4(8)~~,~~4)}\implies (32,4)
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3 years ago
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The length of the base of an isosceles triangle is x. The length of a leg is 4x-6. The perimeter of the triangle is 60. Find x.
lbvjy [14]

Answer:

Perimeter of a triangle = add all sides

Both the legs of the isosceles triangle are always EQUAL.

x+4x-6+4x-6 = 60

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9x = 60+12

9x = 72

x = 8

3 0
2 years ago
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