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marshall27 [118]
3 years ago
9

Callista needs a carpet runner for her hallway. She needs it to be 1 1 2 feet wide and 10 feet long. What is the area of the car

pet runner Callista needs? The area issquare feet.
Mathematics
1 answer:
Pavlova-9 [17]3 years ago
3 0
Does the number say that 112? Or 1 1/2??? If it’s 112 it’s 1120. If it’s 1 1/2 it’s 15
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Six less than three times a number. write an algebraic expression to represent the given phrase
Masja [62]

Answer: 3x-6

Step-by-step explanation:

Let the number be x

3 times the number is 3x

6 less than 3x is 3x-6

4 0
3 years ago
Matrix multiplication was used to encode a message using the given encoding matrix: [i 47 A=1 |-1 -3] The original message was c
nadya68 [22]

Answer:

A^{-1}=\left[\begin{array}{cc}-3&-4\\1&1\end{array}\right] message SHOW_ME_THE_MONEY_  

Step-by-step explanation:

The matrix

A=\left[\begin{array}{cc}1&4\\-1&-3\end{array}\right]\rightarrow |A|=(1 \times -3)-(-1\times 4)=1\\\rightarrow A^{-1}=\left[\begin{array}{cc}-3&-4\\1&1\end{array}\right] \\

We can check that in fact A*A^⁻1=I_2 the identity matrix of size 2 x 2.

Now the message was divided in 1 x 2 matrices, then we have that the sequence given is the result of multiplying m by A, so to get m again we multiply now by A^⁻1. and we get the next table

Encoded message    Decoded message    message in letters by association

11 52        19 8    S H

-8 -9         15 23  O W

-13 -39        0 13   _ M

5 20         5 0   E _

12 56        20 8    T H

5 20         5 0    E _

-2 7           13 15  M O

9 41         14 5   N E

25 100       25 0    Y _

Then the message decoded is SHOW_ME_THE_MONEY_                                

3 0
3 years ago
What are two factors of the composite number 46 other than 1 and 46?​
tester [92]

Answer:

Step-by-step explanation:

7

3 0
3 years ago
Use trianglePQR to write the trigonometric ratio as a decimal. round to four decimal places.
astraxan [27]
I hope this answer helps, it’s kinda messy, but it’s still understandable (I guess)

4 0
3 years ago
coaster has height of 283 meters, modeled by Tower the figuresThe with Tower P to Tower Qwhich has an of elevation of 30 degrees
bekas [8.4K]

Answer:

8,490

Step-by-step explanation:

4 0
3 years ago
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