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kenny6666 [7]
4 years ago
9

Solve the system of linear equations by elimination 4x - y = 7 4x - 2y = 2

Mathematics
1 answer:
almond37 [142]4 years ago
5 0
The answer to 4x-y=7 is x=1/4y+7/4 and the answer to 4x - 2y = 2 is x=1/2y+1/2
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The cost for a ticket at the movie theater is $13. Students get a 9% discount taken off the price of a ticket. How much does the
laila [671]

$11.83 b/c 13.00 x 0.09 = 1.17   13 - 1.17= 11.83

6 0
3 years ago
Evaluate the given numerical expression <br> (5+7 to the 3rd power divided by 7 times 7
-BARSIC- [3]

{(5 + 7)}^{3}  \div 7 \times 7 \\  {12}^{3}  \div 7 \times 7 \\ 1728 \div 7 \times 7 \\ 1728

8 0
3 years ago
Find the vertex of the graph of the function. f(x) = 2x^2 - 8x + 9
Rashid [163]

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5 0
4 years ago
Samantha spent 40 minutes on homework. Sixty percent of that time was spent on language arts.how many minutes were spent on lang
yan [13]
If you would like to know how many minutes were spent on language arts, you can calculate this using the following steps:

60% of 40 minutes = 60% * 40 = 60/100 * 40 = 24 minutes

The correct result would be: 24 minutes were spent on language arts.
3 0
4 years ago
Read 2 more answers
You can verify that your answer is a solution to the original equation by checking if Testing what what testing is a true statem
goldenfox [79]

Answer:

substitution is distributive for letters

ie) when we work out for 2x + 5 and 3x -4

we can set = to each other distribute to find x then plug in.

plug in means substitute.

Step-by-step explanation:

transitive is distributive for values for same coefficients in problem solving like Pythagoras a + b = c. but that is not equation checking unless equation replaces it. Answer is substitution for distributive letters.

6 0
3 years ago
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