3 years ago

GIVING OUT BRAINLIEST FOR THE PERSON WHO HELPS ME FIRST!!!

Mathematics

1 answer:

DIA [1.3K]3 years ago

3 0

Answer:

Step-by-step explanation:

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Find the value of x. Round to the nearest tenth. 40 X 7 x = [?]

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The correct answer for that question is 280

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2 years ago

Solve the system, or show that it has no solution. (If there is no solution, enter NO SOLUTION. If there are an infinite number

liberstina [14]

Answer:

The system has an infinite set of solutions $(x,y) = (x, \frac{x-5}{4})$

Step-by-step explanation:

From the first equation:

$20x - 80y = 100$

$20x = 100 + 80y$

$x = \frac{100 + 80y}{20}$

$x = 5 + 4y$

Replacing on the second equation:

$-14x + 56y = -70$

$-14(5 + 4y) + 56y = -70$

$-70 - 56y + 56y = -70$

$0 = 0$

This means that the system has an infinite number of solutions, considering:

$x = 5 + 4y$

$4y = x - 5$

$y = \frac{x - 5}{4}$

The system has an infinite set of solutions $(x,y) = (x, \frac{x-5}{4})$

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3 years ago

Help asap will mark brainliest

Harrizon [31]

Answer:

Step-by-step explanation:

7-5

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Step-by-step explanation:

2x² divide all the three terms so G.C.F.=2x²

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