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Lelechka [254]
2 years ago
8

Does 3x-y=4 and 6x-2y=8 have a solution?

Mathematics
1 answer:
exis [7]2 years ago
4 0

Answer:

No there is no solution

Step-by-step explanation:

X cannot be found no matter how you try to solve the simultaneous equation so therefore y can also not be found.

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Are the following figures similar? How do you know?explain being especific
ch4aika [34]

Answer:

Yes

Step-by-step explanation:

The following figures are similar. Similar means they are the same shape with the same angles. They aren't congruent and only similar because they are different sizes. If you dilate the smaller rectangle, you can make the larger one.

6 0
2 years ago
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Price of artwork is in a large box. Below the box are smaller boxes that contain money to artist and subtracted commission.
Rina8888 [55]

Answer:

25.50

Step-by-step explanation:

I took the test

5 0
3 years ago
Decrease £16870 by 3% Give your answer rounded to 2 DP.
Liono4ka [1.6K]
Just do 16870 x .03 (3% as a decimal) and you'll get 506.10. Subtract that to 16870 and you'll get 16363.90.
4 0
3 years ago
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Help! I'm a little stumped when it comes to variables in matrices. An explanation would be super rad!
iris [78.8K]

Answer:

30

Step-by-step explanation:

To find the determinant of a 3x3 matrix, you can use this method. (See picture.)

Start with the first number in the top row, and block off the row and column.  A 2x2 matrix will be left.  Find the determinant of this 2x2 matrix, and multiply it by the number in the top row.

Repeat for the other two numbers in the top row.  Add the first result, subtract the second, and add the third.

det A = -2 [(3)(-5) − (a)(0)] − 2 [(0)(-5) − (a)(0)] + b [(0)(0) − (3)(0)]

det A = -2 (3)(-5) − 0 + 0

det A = 30

8 0
2 years ago
A postage box should weigh 1.0 pound. If there is a 5% error on the weight, what is the range of acceptable weight?
Nadya [2.5K]

Answer: 0.95

Step-by-step explanation: 1.0 and 10% is 0.10 so 5% is 0.5 and if u take 0.5 away from 1.0 it’s 0.95

7 0
3 years ago
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