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yan [13]
2 years ago
7

The sides of a rectangle are enlarged by a scale factor of 2. Write

Mathematics
1 answer:
Dennis_Churaev [7]2 years ago
5 0

Answer:

4

Step-by-step explanation:

both sides are multiplied by 2 which means its the original area*2*2 which means it's the original area*4

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Evaluate [6+3(-2)]-6
bagirrra123 [75]

Answer: -6

Multiply 3 by -2 first =-6 inside brackets

Original 6 inside brackets plus -6 from performing multiplication problem inside the brackets equals 0, so you now have 0 minus the original -6 which equals -6 overall

Step-by-step explanation:

8 0
4 years ago
Use the discriminant to find what type of solutions the equation has,<br> 3x^2+ 7x = 7
kherson [118]
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3 0
2 years ago
What’s the value of x?
iogann1982 [59]

Answer:

X=8

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3 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
In ABC ,AB = 7 and AC = 17. Find measure B to the nearest degree.
Gekata [30.6K]
21 should be the right answer
4 0
4 years ago
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