3 years ago

102×98 Search using factors.

Mathematics

1 answer:

allochka39001 [22]3 years ago

5 0

Answer:

9996

Step-by-step explanation:

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Elimination Method: 6x - 4y = -24 and 4x + 5y = -2

nirvana33 [79]

Answer:

$(-2;-6)$

Step-by-step explanation:

First of all, let's rewrite the first one after dividing both sides by 2.

$\left \{ {{3x-2y=-12\atop {4x+5y=-2}} \right.$

Now, let's pick one you want to eliminate.

<u>Eliminating x:</u> Let's multiply the first one by 4, the second by 3, and subtract one from the other. Rest is simply solving an equation in one variable

$4I-3II : 12x-8y-12x+15y = -48 - (-6)\\7y = -42 \rightarrow y= -6$

<u>Eliminating y:</u> Let's multiply the first by 5, the second by 2, and add them together. Rest is simply solving an equation in one variable

$5I+2II: 15x -10y +8x +10y = -60 +4\\23x = -56 \rightarrow x=-2$

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2 years ago

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3 years ago

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Nimfa-mama [501]

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You add the common factors in each problem: 2b + 4 = 2b + 4

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Luis has $4.00 from his allowance. He visits an arcade where soda costs $0.75 and video games cost $0.25. Which of the following

nordsb [41]

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Step-by-step explanation:

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2 years ago

102×98 Search using factors.​

102×98 Search using factors.