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hjlf
3 years ago
5

What is the formula for the area A of a circle in terms of the radius r ?

Mathematics
2 answers:
sineoko [7]3 years ago
7 0

Answer:

The formula for the area of a  circle is:

\pi r^{2}

\pi =3.14159265359

1) Multiply pi by the radius squared

Art [367]3 years ago
6 0
Pie * R Squared is the equation
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Please please please help fast this is a BIG deal
aniked [119]

Answer:

190.625 ft^2

Step-by-step explanation:

A = bh = (15.25) * (12.5) = 190.625 ft^2

5 0
3 years ago
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What is the product of 84,90?
MAVERICK [17]
84•90 is 7,560.

ndheisn
3 0
3 years ago
I need help please!
wlad13 [49]

Answer:

Tell me you address right now!!!

Step-by-step explanation:

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5 0
3 years ago
The matrix C=[1,-2_-3,7] was used to encode a phrase to [7,-28,-25,-35,-2_-21,107,90,123,17]. Find C^-1 and use it to decode the
posledela
C=  \left[\begin{array}{cc}1&-2\\-3&7\end{array}\right]  \\ C^{-1}= \left[\begin{array}{cc}7&2\\3&1\end{array}\right]  \\ \left[\begin{array}{cc}7&2\\3&1\end{array}\right] \times   \left[\begin{array}{ccccc}7&-28&-25&-35&-2\\-21&107&90&123&17\end{array}\right]  \\ =\left[\begin{array}{ccccc}49-42&-196+214&-175+180&-245+246&-14+34\\21-21&-84+107&-75+90&-105+123&-6+17\end{array}\right] \\ =\left[\begin{array}{ccccc}7&18&5&1&20\\0&23&15&18&11\end{array}\right]
is the required matrix.
6 0
3 years ago
Simplify. -(6x + 3y) - (x + y)
Arlecino [84]

Answer:

(-6x -3y ) -x-y

-6x-x-3y-y

5x +2y

7 0
3 years ago
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