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avanturin [10]
2 years ago
6

The radius of a circle is 12 kilometers. What is the circle's area?

Mathematics
1 answer:
Firlakuza [10]2 years ago
6 0

Answer:

I believe your answer is 452.39

Step-by-step explanation:

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Estimate 203*12 = answer it plzzz
ehidna [41]

Answer:

2,436

Step-by-step explanation:

3 0
3 years ago
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Solve 0 = -1.8y + 0.72. What is y = to?<br> 1.0.4<br> 2.-0.4<br> 3.0.8<br> 4.1.8
PIT_PIT [208]

Answer:

0.4

Step-by-step explanation:

just solve it like an equation.

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Find the area of this polygon - PLZZZZZ HELP I WILL GIVE 30 points T^T
balu736 [363]

Answer:

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Step-by-step explanation:

5 0
2 years ago
Which of the following options correctly represents the complete factored form of the polynomial F(x)=x^4-3x^2-4?
Bumek [7]

Answer:

D

Step-by-step explanation:

Let's substitute a for x²:

x^4 - 3x² - 4

a² - 3a - 4

Now, this looks like something that is much more factorisable:

a² - 3a - 4 = (a - 4)(a + 1)

Plug x² back in for a:

(a - 4)(a + 1)

(x² - 4)(x² + 1)

The first one is a difference of squares, which can be factored into:

x² - 4 = (x + 2)(x - 2)

The second one can also be treated as a difference of squares:

x² + 1 = x² - (-1) = (x + √-1)(x - √-1) = (x + i)(x - i)

The answer is (x + 2)(x - 2)(x + i)(x - i), or D.

6 0
3 years ago
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An arithmetic sequence has a first term of 4 and a common difference of 3. What is the 20th term
tino4ka555 [31]

Answer:

61

Step-by-step explanation:

aₙ = a₁ + (n - 1)d

aₙ = 4 + (20 - 1)3

aₙ = 4 + (19)3

aₙ = 4 + 57

aₙ = 61

8 0
2 years ago
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