3 years ago

Find the area of a circle having a circumference of 231 pi units. Round to the nearest tenth.

Mathematics

1 answer:

loris [4]3 years ago

7 0

Do you by any chance have a diagram of the circle or the r value?

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Which graphs below have a domain of all real numbers? Which have a range of all real numbers? Which are functions?

slava [35]

Answer:

Step-by-step explanation:

From the picture attached,

Graph (A)

Domain of the function : (-∞, ∞) or a set of real numbers

Range of the function : (-∞, ∞) or a set of real numbers

Graph (B),

Domain : (-∞, ∞) Or a set of real numbers

Range : (-∞, 6] Or x ≤ 6

Graph (C),

Domain : [-2, ∞) or x ≥ -2

Range : (-∞, ∞) Or a set of real numbers

Therefore, Graphs (A), (B) have the domain of all real numbers and Graph (C) has the range of all real numbers.

Since all the parabolas are not the functions,

Therefore, Graph (C) is not a function. Graphs (A) and (B) are the functions.

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3 years ago

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Korolek [52]

Answer:

The correct answer is 40

Step-by-step explanation:

I took the quiz

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frosja888 [35]

The answer to this question is 1/2 + 1/1

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Expand <br>Your answer should be a polynomial in standard form. <br><br>(×-9) (×-9)=

Rama09 [41]

Answer:

X^2-18x+81

(X-9)^2

Step-by-step explanation:

X(x-9)-9(x-9)=

x^2-9x-9x+81

X^2-18x+81

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EleoNora [17]

Answer:

1=b. 2=a

Step-by-step explanation:

Since there are corresponding angles, 1 and b will be congruent, and 2 and a will be congruent.

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