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-BARSIC- [3]
4 years ago
15

What is the exact circumference of the circle?

Mathematics
1 answer:
damaskus [11]4 years ago
4 0
To find the circumference of a circle, you can use the formula 

πd, where d is the diameter of the circle.

In this instance, we can tell from the picture that the diameter of the circle is 16 inches.

Therefore, the exact circumference of the circle is 

C. 16pi inches

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For the following linear system, put the augmented coefficient matrix into reduced row-echelon form.
guapka [62]

The augmented matrix is

\left[\begin{array}{ccccc|c}1&-2&3&2&1&10\\2&-4&8&3&10&7\\3&-6&10&6&5&27\end{array}\right]

Add -2(row 1) to row 2, and add -3(row 1) to row 3:

\left[\begin{array}{ccccc|c}1&-2&3&2&1&10\\0&0&1&-1&8&-13\\0&0&1&0&2&-3\end{array}\right]

Add -1(row 2) to row 3:

\left[\begin{array}{ccccc|c}1&-2&3&2&1&10\\0&0&1&-1&8&-13\\0&0&0&1&-6&10\end{array}\right]

Add row 3 to row 2:

\left[\begin{array}{ccccc|c}1&-2&3&2&1&10\\0&0&1&0&2&-3\\0&0&0&1&-6&10\end{array}\right]

Add -3(row 2) to row 1, and add -2(row 3) to row 1:

\left[\begin{array}{ccccc|c}1&-2&0&0&7&-1\\0&0&1&0&2&-3\\0&0&0&1&-6&10\end{array}\right]

7 0
3 years ago
if the domain of the square root function f(x) is X greater than or equal to seven which statement must be true 870 subtracted f
mihalych1998 [28]

<em> </em><em> </em>

<em>the \: right \: answer \: is \: of \: option \: d \\ please \: see \: the \: attached \: picture \\ hope \: it \: helps</em>

5 0
3 years ago
Evaluate 4log4(3,100)
alexdok [17]

Answer:

{ \tt{4 log_{4}(3100) }} \\  = { \tt{4 log_{4}(775 \times 4) }} \\  = { \tt{4 log_{4}(775)  + 4 log_{4}(4) }} \\  = { \tt{4( (\frac{ log_{10}775 }{ log_{10}4 } ) +1)}} \\  = { \tt{4(4.8 + 1)}} \\  = { \tt{23.2}}

8 0
3 years ago
4. A sum of money is divided among Khairul, Michael and Ethan in the ratio 6:4:5. After Khairul
Advocard [28]

Answer:

Step-by-step explanation:

8 0
3 years ago
Help would be nice! Thanks
blsea [12.9K]

Answer:

Number one is 4p+8-9. 8-9= -1 So, 4p-1. Divide both by 4. p=.25

3 0
3 years ago
Read 2 more answers
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