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Gwar [14]
3 years ago
10

Find the area of a circle if the circle is 5 m long

Mathematics
1 answer:
SpyIntel [72]3 years ago
6 0

Answer:

A≈78.54

Step-by-step explanation:

A=πr2

I think this is right

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Please could someone please explain how i do this, much appreciated!
Vilka [71]
You want to multiply together the number of possible choices for each digit in the code.

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What is the capacity of the cube in millimeters shown in the picture????
viktelen [127]
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Which equation represents a line which is perpendicular to the line y = -x + 8?
natima [27]

Two lines are perpendicular between each other if their slopes fulfills the following property

m_1m_2=-1

where m1 and m2 represents the slopes of line 1 an 2, respectively.

To find the slope of a line we can write it in the form slope-intercept form

y=mx+b

Our original line is

y=-\frac{1}{8}x+8

Then its slope is

m_1=-\frac{1}{8}

Now we have to find the slope of the second line. Using the first property,

\begin{gathered} m_1m_2=-1_{} \\ -\frac{1}{8}m_2=-1_{} \\ m_2=(-1)(-8) \\ m_2=8 \end{gathered}

Then the second line has to have a slope of 8.

The options given to us are:

\begin{gathered} x+8y=8 \\ x-8y=-56 \\ 8x+y=5 \\ y-8x=4 \end{gathered}

Then we have to determine which of these options have a slope of 8. To do that we write them in the slope-intercept form:

\begin{gathered} x+8y=8\rightarrow y=-\frac{1}{8}x+1 \\ x-8y=-56\rightarrow y=\frac{1}{8}x+7 \\ 8x+y=5\rightarrow y=-8x+5 \\ y-8x=4\rightarrow y=8x+4 \end{gathered}

Once we have the options in the right form, we note that the only one of them that has a slope of 8 is the last one.

Then the line perpendicular to the original one is

y-8x=4

8 0
1 year ago
What is the integer for spending $25
kozerog [31]
-25, Is the integer for spending $25.
6 0
3 years ago
Read 2 more answers
Part A<br> Find the product of 2.57 and 23.<br> Enter your answer in the box.<br> 2.57 x 23
Katena32 [7]

Answer:

59.11

Step-by-step explanation:

7 0
2 years ago
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