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vodka [1.7K]
3 years ago
8

The figure shows a carpeted room. How many square feet of the room are carpeted?

Mathematics
2 answers:
Marina CMI [18]3 years ago
5 0

Answer:

The answer is B. 44.

Step-by-step explanation:

Lets break it up into 2 shapes, A rectangle with sides of 8 and 3 and another rectangle with sides of 5 and 4. The area of our first rectangle is 8*3 or 24. The area of our second rectangle is 5*4 or 20. Add these up and you get 24+20 or 44. The answer is B. 44.

Nadya [2.5K]3 years ago
3 0

Answer:

Hello there, the answer would be

Step-by-step explanation:

We cut the figure into two different shapes.

Since on one side it is 4 feet and the height is seven, we cut right there.

So the bottom figure is now 4 x 5 = 20

The top figure is cut with 3 height left, So all we do is just multiply.

8 x 3 = 24.

20+24=44.

PLEASE MARK AS BRAINLIEST!!!

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JUST ANSWER PLEASE!!! QUICK
jeka57 [31]

Answer:

<u>Options 1 and 3</u>

Step-by-step explanation:

We should know that, the system of linear equations can be treated as matrices, i.e: we can modify or make any operations provide that we must apply the same operation for all terms of each equation.

Given:  the solution for the following system is (2,9)

Px + Qy = R  ⇒(1)

Tx + Uy = V  ⇒(2)

We will check which system of equation has the same solution.

<u>System A)</u>  Px + Qy = R

                  (P+T)x + (Q+U)y = R+V  ⇒(3)

So, By summing (1) and (2) we will get the equation (3)

So, system A has the same solution (2,9)

<u>System B)</u> Px + Qy = R

                 (P+2T)x + (Q+2U)y = R-2V  ⇒(4)

By multiplying equation (2) by 2 and add with equation (1), we will get:

 (P+2T)x + (Q+2U)y = R+2V

Which is not the same as equation (4)

So, system B has not the same solution (2,9)

<u>System C)</u> (T-P)x + (U-Q)y = V-R  ⇒(5)

                  Tx + Uy = V  

By multiplying equation (1) by -1 and add with equation (2), we will get the equation (5)

So, system C has the same solution of (2,9)

<u>System D)</u> (T-P)x + (Q+U)y = V-R  ⇒(6)

                  Tx + Uy = V  

We cannot get equation (6) by the same operation over equation (1)

Note the coefficient of x and y⇒ (T-P) and (Q+U)

They must be (T+P) and (Q+U) <u>OR </u>(T-P) and (Q-U)

So, system D has not the same solution of (2,9)

<u>System E)</u> (5T-P)x + (5U-Q)y = V-5R ⇒ (6)

                  Tx + Uy = V  

By subtract equation (1) from 5 times equation (2), we will get:

(5T-P)x + (5U-Q)y = 5V-R

Which is not the same as equation (6)

So, system E has not the same solution (2,9)

As a conclusion, the systems which have the same solution are:

<u>Options 1 and 3</u>

5 0
3 years ago
Please help, anything would be very much appreciated
jasenka [17]

Answer:

answer is 5.50

Step-by-step explanation:

multiply 2.75 times two because 3 by 5 is half of 9 by 15

7 0
3 years ago
Read 2 more answers
Of 50 students surveyed, 19 said they had soda for breakfast. write a portion in fraction, decimal, percent
Naya [18.7K]
Answers:
___________________________
In fraction:  \frac{19}{50} .
___________________________
In decimal:  0.38  .
_________________
In percent:  38 %  .
_________________
Explanation:
_________________
19/50 = (19*2)/(50*2) = 38/100 .

38/100 = 38 ÷ 100 = 0.38  .

38/100 = 38 % .
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Flauer [41]

Answer:

Do you mean an MP3 player?

Step-by-step explanation:

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So far this semester, Warren is averaging a score of 72 points on math tests, which is 20% lower than his average last semester.
ankoles [38]

Answer:

86.4

Step-by-step explanation:

72x.20= 14.4

72+14.4=86.4

I'm pretty sure this is right

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