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arlik [135]
3 years ago
9

What property is used in the second step of solving the inequality below?

Mathematics
1 answer:
Taya2010 [7]3 years ago
5 0

Answer: Addition Property

Step-by-step explanation:

The difference between steps one and two is that the -9 is added to the other side to isolate 5x. (added- addition property)

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Leave the answer in simplest form ?
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Tan is opposite÷ adjacent.
So tan(d) = 7÷24. It is already in the simplest form.

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16) Which of the following best represents the
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I think it is B because it has a continuous line soy it couldn’t be a. It has negative numbers so it couldn’t be D. And it has negative numbers so couldn’t be C
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Help please jggvnhujff
saveliy_v [14]

Answer:

Step-by-step explanation:

<u><em>8).</em></u>  \left \{ {{4x+3y=1} \atop {x+y=2}} \right.

<em>(2)</em> × [ - 3 ]

4x + 3y = 1 ........ <em>(3)</em>

- 3x - 3y = - 6 .... <em>(4)</em>

<em>(3)</em> + <em>(4)</em>

x = - 5

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<em>( - 5 , 7 )</em>

<u><em>9).</em></u> \left \{ {{-9x+3y=18} \atop {2x+y=-4}} \right.

<em>(1)</em> ÷ [- 3]

3x - y = - 6  ......... <em>(3)</em>

2x + y = - 4 ........ <em>(4)</em>

<em>(3)</em> + <em>(4)</em>

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<em>(- 2, 0)</em>

<u><em>10).</em></u> \left \{ {{x-2y=14} \atop {10x-6y=0}} \right.

<em>(2)</em> ÷ 10

x - 0.6y = 0 ⇒ x = 0.6y -----> <em>(1)</em>

0.6y - 2y = 14

- 1.4y = 14

y = - 10

x - 2(- 10) = 14 ⇒ x = - 6

<em>(- 6, - 10)</em>

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3 0
3 years ago
Solve simultaneous equation <br> X-2y=1<br> 2x-y=2
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Step-by-step explanation:

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