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ella [17]
3 years ago
10

A circle has a circumference of 320π cm. what is it radius​

Mathematics
1 answer:
harkovskaia [24]3 years ago
4 0

Answer:

The radius of the circle is 160cm

Step-by-step explanation:

circumference of circle = 2πr

circumference = 320π cm

2πr = 320π

2r = 320

r = 160 cm

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Write a rational function with the given characteristics.
Maurinko [17]

According to the question, to express the rational function for the vertical asymptote whose equation is x=8 and horizontal asymptote whose equation is at y=0.

As per the question, the function 'f(x)' is vertical at x=8. Therefore, the denominator be (x-8)

f(x)=\frac{g(x)}{(x-8)}

The function 'g(x)' should have same degree as the denominator function has and it is defined asy=0

The rational function can be written as:

Rational function = \frac{y}{(X-8)}

What is rational function?

Rational function is a function whose numerator and denominator terms are in polynomials. Basically, it is a ratio of polynomials. The important condition for these type of function is that denominator should be of degree one.

To learn more about rational function from the given link:

<u>brainly.com/question/19044037</u>

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1 year ago
Find the equation of the line which passes through the point (7,2) and is perpendicular to y=5x-2
MariettaO [177]

Answer:

\displaystyle y=-\frac{1}{5}x+\frac{17}{5}

Step-by-step explanation:

<u>Equation of a line</u>

A line can be represented by an equation of the form

y=mx+b

Where x is the independent variable, m is the slope of the line, b is the y-intercept and y is the dependent variable.

We need to find the equation of the line passing through the point (7,2) and is perpendicular to the line y=5x-2.

Two lines with slopes m1 and m2 are perpendicular if:

m_1.m_2=-1

The given line has a slope m1=5, thus the slope of our required line is:

\displaystyle m_2=-\frac{1}{m_1}=-\frac{1}{5}

The equation of the line now can be expressed as:

\displaystyle y=-\frac{1}{5}x+b

We need to find the value of b, which can be done by using the point (7,2):

\displaystyle 2=-\frac{1}{5}*7+b

Operating:

\displaystyle 2=-\frac{7}{5}+b

Multiplying by 5:

10=-7+5b

Operating:

10+7=5b

Solving for b:

\displaystyle b=\frac{17}{5}

The equation of the line is:

\boxed{\displaystyle y=-\frac{1}{5}x+\frac{17}{5}}

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3 years ago
Drag each tile to the table to multiply each row heading by each column heading
weeeeeb [17]

Answer:

multiplication by d=> 2d^3, 11d^2, -4d

multiplication by -9=>-18d^2,-99d, 36

The answers are in order from left to right.

Step-by-step explanation:

mark me as brainliest plz

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3 years ago
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Which geometric figures are drawn on the diagram? Check all that apply.
andrey2020 [161]

Answer:

I think it should be triangle

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2 years ago
Can anyone identify the two variables
valentina_108 [34]
The two variables are time (x) and distance (y)

And the answer is they will meet after 1 mile

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Since you want to know when you’ll meet, you just resolve y=y2 or 25x+5=30x

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3 years ago
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