The diameter of a circle is 6 centimeters. Calculate the circumference of the circle.

Mathematics

1 answer:

artcher [175]3 years ago

7 0

Answer:

2πr

Step-by-step explanation:

Figure out the radius by halfing the diameter which will be 3. Then, use the formula to solve the question.

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225 divided by 9 to figure out the number of crates needed.
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a triangle has a base that is 3 times longer than its height. it has a area of 486 sq cm. what is the base and height

saw5 [17]

B = 3h . . . . . . . .given by the problem statement
A = (1/2)bh . . . . formula for the area of a triangle

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The average income, I, in dollars, of a lawyer with an age of x years is modeled with the following function:

Alinara [238K]

The answer is 37 years old.

I = -425x² + 45500x -650000
I = 450000

-425x² + 45500x -650000 = 450000
-425x² + 45500x - 650000 - 450000 = 0
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Divide all factors by 25:
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This is quadratic equation (ax² + bx + c = 0)
$x_{1,2} = \frac{-b+/- \sqrt{ b^{2}-4ac } }{2a} = \frac{-1820+/- \sqrt{ 1820^{2}-4*(-17)*(-44000) } }{2*(-17)} = \\ \\ = \frac{-1820+/- \sqrt{3312400-2992000 } }{-34} = \frac{-1820+/- \sqrt{320400} }{-34} =\frac{-1820+/- 566}{-34} \\ \\ 
x_1= \frac{-1820+ 566}{-34}= -37 \\ \\ 
x_2 = \frac{-1820- 566}{-34}=70$

Since, the youngest age is needed, the correct answer is x = 37

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3 years ago