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wlad13 [49]
3 years ago
13

Transform the following into equations:

Mathematics
1 answer:
expeople1 [14]3 years ago
3 0
First you add up al the original prices which is 2.50, 4.95, and 6.00 and you should get 13.45
 Then you would do 13.45 times 20 and you should get 269 and now you divide 269 by 100 and that would be 2.69 and thats 20% off now take 13.45 your total subtracted by your 20% off which is 2.69 and you would get 10.76 and thats your total...... : / hope that helps

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Solve the system of equations using the linear combination method. <br> 4x−2y=7 <br> 3x+2y=0
Irina18 [472]

Answer:

x = 1

y = -3/2

Step-by-step explanation:

Step 1: Arrange the equations with like terms in column.

Step 2: You want 1 set of coefficients that are opposites. This problem already has opposites: -2y and +2y.

Step 3: Solve for x.

4x-2y=7

3x+2y=0

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

7x = 7

x = 1

Step 4: Substitute the value of x and solve for y.

4(1)-2y=7

4-2y=7

-2y=7-4

-2y=3

y=-3/2

7 0
4 years ago
Simon fills a container with 38 1-in, cubes.
DanielleElmas [232]

<u>Question Correction</u>

Simon fills a container with 38 1-in, cubes. The container is a box of dimension 4 in. by 3 in. by 4 in.,How many more 1 in cubes does the container need to  be completely filled?

Answer:

10 1-in cubes

Step-by-step explanation:

First, we determine the Volume of the box.

Volume of a Rectangular Prism =Length X Height X Width

Volume of the box = 4 X 3 X 4= 48 cubic inches

To fill the box container, we would need 48 1 in cubes.

Since Simon already filled the container with 38 1-in, cubes.

Number of 1-in. cubes required to fill the box

=48 -38

=10.

Simon would need 10 1-in cubes to fill the box.

3 0
3 years ago
Read 2 more answers
1.994 x 10^-23 1.67 x 10^-24 what are the difference
Marina86 [1]

Answer:

1.827 x 10^-23

Step-by-step explanation:

(1.994 x 10^-23) - (1.67 x 10^-24) = 1.827 x 10^-23


3 0
4 years ago
PLEASE HELP ME QUICK
nikitadnepr [17]

Answer:

B. y = -1/3x + 1

Step-by-step explanation:

(look at attached picture)

5 0
2 years ago
Whats The Answer Marking Brainliest, Please explain your answer:D...................<br> ..
natima [27]

Answer:

D.

Step-by-step explanation:

If you were to try to figure out how many miles Sandra walked per hour, you would set up your division as 13/3 miles over 1 hour, so therefore D is correct.

I hope I could help :)

7 0
3 years ago
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