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Andru [333]
3 years ago
10

What is the diameter of a circle with a circumfrence of 8 centimeters??

Mathematics
1 answer:
rjkz [21]3 years ago
5 0

Answer:

2.547

Step-by-step explanation:

2pir=8

1.273=r

d=2r

2.547=d

You might be interested in
Find an equation of the line. Write the equation using function notation.
Gemiola [76]

The equation of line perpendicular to 4y = x-8 passing through (3,-3) is:

y = -4x+9

Step-by-step explanation:

Given equation of line is:

4y=x-8

We have to convert the given line in slope-intercept form to find the slope of the line

So,

Dividing both sides by 4

\frac{4y}{4} =\frac{x-8}{4}\\y = \frac{1}{4}x-\frac{8}{4}\\y = \frac{1}{4}x-2

Let m1 be the slope of given line

Then

m_1 = \frac{1}{4}\\

Let m2 be the slope of line perpendicular to given line

As we know that produt of slopes of two perpendicular lines is -1

m_1.m_2 = -1\\\frac{1}{4} . m_2 = -1\\m_2 = -1*4\\m_2 = -4

The slope intercept form of line is given by:

y = m_2x+b

Putting the value of slope

y = -4x+b

to find the value of b, putting (3,-3) in equation

-3 = (-4)(3) + b\\-3 = -12 +b\\b = -3+12\\b = 9

Putting the value of b in the equation

y = -4x+9

Hence,

The equation of line perpendicular to 4y = x-8 passing through (3,-3) is:

y = -4x+9

Keywords: Equation of line, slope

Learn more about equation of line at:

  • brainly.com/question/4837736
  • brainly.com/question/4805611

#LearnwithBrainly

4 0
3 years ago
monica has no money but is earning $8 each day. jackson currently has $154 and is spending $6 dollars per day
Olenka [21]
What’s the question?
8 0
2 years ago
In a recent survey, 8 people were each asked the number of times they have been on an airplane. Here is a list of the responses.
ohaa [14]

Answer:

17

Step-by-step explanation:

Range is the difference of the highest and lowest number in the data set

5 0
3 years ago
Read 2 more answers
Pleaseee helpppp :((((
IrinaVladis [17]
The answer is x < 9 because
x-4<5
+ 4 +4
x<9
5 0
2 years ago
2. A local minimum of a function is its
Lera25 [3.4K]

B. Smallest value for a given interval.

Hope this helps.

7 0
3 years ago
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