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kiruha [24]
3 years ago
7

Find the diameter of a circle with an area of 415.48 square inches.

Mathematics
1 answer:
lozanna [386]3 years ago
8 0
D= 23 in.

hope its what you’re looking for :)
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Evaluate a-b²c2 for a = 2, b = 3, and c = 4.​
katrin2010 [14]

Answer: -70

Step-by-step explanation: 2-3^2x4x2

4 0
3 years ago
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Please please help me please I really need help please
Ratling [72]

Answer:

A. 8

Step-by-step explanation:

sqrt{64} is 8 (8*8)

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3 years ago
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Find a cubic function that has the roots 5 and 3-2i
Zolol [24]

Answer:

P(x)=x^3-11x^2+43x-65

Step-by-step explanation:

If the complex number 3-2i is a root of a cubic function, then the complex number 3+2i is a root too. Thus, the cubic function has three known roots 5,\ 3-2i,\ 3+2i and can be written as

P(x)=(x-5)(x-(3-2i))(x-(3+2i)),\\ \\P(x)=(x-5)(x^2-x(3-2i+3+2i)+(3-2i)(3+2i)),\\ \\P(x)=(x-5)(x^2-6x+9-4i^2),\\ \\P(x)=(x-5)(x^2-6x+9+4),\\ \\P(x)=(x-5)(x^2-6x+13),\\ \\P(x)=x^3-11x^2+43x-65.


4 0
3 years ago
133 * what gets you to 432 1/4
tatiyna

Answer:

3 1/4

Step-by-step explanation:

You can do a equation:

133x=432 1/4

Which would give you 3.25 but in fraction form it is 3 1/4

Hope this helped!

7 0
3 years ago
Is the following relation a function?
dimulka [17.4K]

Answer:

yes

Step-by-step explanation:

A function is any graph that the x values do not repeat.

You can check this by using this vertical line test

Run your finger or a pencil down a specific vertical (top to bottom) line on the graph, if you can see that it intersects into the graph more than once, then it's not a function.

8 0
3 years ago
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