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Lynna [10]
3 years ago
5

Answer pls is mathematically is due today in 1 m

Mathematics
1 answer:
Lena [83]3 years ago
5 0

Answer:

200.96 units^2 or 64π units^2

Step-by-step explanation:

8^2(3.14) = 200.96 units^2 or 64π units^2

(multiplied by 2 to change the radius to diameter)

You might be interested in
<img src="https://tex.z-dn.net/?f=x%20%2B%20y%20%3D%209%20%2B%202x%20-%203y%20%3D%208" id="TexFormula1" title="x + y = 9 + 2x -
Vadim26 [7]

Answer:

(7,2)

Step-by-step explanation:

x + y = 9 + 2x - 3y = 8 is really two equations, and you should show this by separating x + y = 9 from 2x - 3y = 8 through the use of a comma, or the word "and," or through writing only one equation per line.

Here you have the system of linear equations

 x +   y =  9

2x - 3y = 8.

Let's solve this system by elimination.  Mult. the 1st eqn by 3, obtaining the system

3x + 3y = 27

2x - 3y =    8

-------------------

5x = 35, so that x = 7.  Subbing 7 for x in x + y = 9, we get 7 + y = 9, indicating that y = 2.

Thus, the solution to this system of equations is (7,2).


6 0
3 years ago
What is -12.6 as a simplified percent?
fenix001 [56]
-12.6 as a percent is -1260%
3 0
3 years ago
Jamie can read at a speed of 65 pages per hour. If she reads a novel that has 400 pages, how long will it
horsena [70]
To find the answer set up an equation:
400 \: pages \times  \frac{1 \: hour}{65 \: pages}  =
Using this set up we can cross our units of pages since they are on opposite side of the proportion, leaving us with the desired units of hours.

Then divide 400 by 65 which will give us our answer: 6.15 or about 6 hours for Jamie to finish her reading.
8 0
3 years ago
PLEEEEEAAAASEEE HELPPPPPP<br><br> simplify the polynomial <br> 3a(6a^2-4ab^2)+8a^2b^2-2b^3
ZanzabumX [31]

Answer:

Simplified: -4a²b²+18a³-2b³

3a(6a²-4ab²)+8a²b²-2b³

Multiply 3a by 6a² and-4ab²

18a³-12a²b²+8a²b²-2b³

combine like terms (-12a²b² and 8a²b²)

-4a²b²+18a³-2b³

Hope this helps

7 0
2 years ago
Which expression is not equivalent to 6^3/6^6
vovangra [49]

Answer:

C

Step-by-step explanation:

The answer is C

8 0
3 years ago
Read 2 more answers
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