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Dafna11 [192]
3 years ago
8

Select the correct equation rule​

Mathematics
2 answers:
lorasvet [3.4K]3 years ago
7 0

Replace x in the equation and see which one equals the y values:

The answer is f(x) = 2x - 1

Anna35 [415]3 years ago
5 0
The Person above is correct
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What is <br> 2x+y=0 5x+3y=-11
miv72 [106K]

2x+y=0\qquad\text{subtract 2x from both sides}\\\\y=-2x\\\\\text{Put it to the second equation}\ 5x+3y=-11:\\\\5x+3(-2x)=-11\\\\5x-6x=-11\\\\-x=-11\qquad\text{change the signs}\\\\\boxed{x=11}\\\\\text{Put the value of x to the first equation:}\\\\y=-2(11)\\\\\boxed{y=-22}\\\\Answer:\ \boxed{x=11\ and\ y=-22}

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4 years ago
What’s the answer ? 54 = 5 + 7s
Arturiano [62]

Answer:

s=7

Step-by-step explanation:

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4 years ago
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Ian needs to replace two concrete sections in his sidewalk, as modeled below. Each section is 36 inches by
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Answer: $19.5

Step-by-step explanation:

Hi, to answer this question we have to apply the next formula:

Volume of a rectangular prism = width x length x height

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Finally we multiply it by the cost of each cubic foot:

6 x 3.25 = $19.5

Feel free to ask for more if needed or if you did not understand something.

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4 years ago
You have diving lessons every fifth day and swimming lessons every third day. Today you have both lessons. In how many days will
skelet666 [1.2K]
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3 years ago
Jacob\ makes\ a\ scale\ drawing\ for\ a\ crate\ with\ a\ scale\ factor\ \ of\ 1:20,\ The\ Dimentions\ of\ his\ scale\ drawing\ a
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I'm sorry but what was the question? Uploading the Image would be helpful.

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