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2 years ago

Which graph represents 2x+2y=4

Mathematics

2 answers:

Galina-37 [17]2 years ago

3 0

Hi!

<h3>We need to isolate y on one side. </h3><h3>Subtract 2x from both sides. </h3>

2x - 2x + 2y = -2x + 4

2y = -2x + 4

<h3>Divide by 2 on both sides. </h3>

2y/2 = -2x/2 + 4/2

<u>The slope is -1/1. </u>

<u>The y intercept is 2. </u>

<h2>So the answer is D. (the last one)</h2>

Hope this helps! :)

-Peredhel

Inga [223]2 years ago

3 0

Hey there!

Your answer: Graph D

We would want to find the graph that would stay positive, and not negative. As we look at Graph D, it moves 2 from the right, and also 2 up. Which indicated both 2x+2y=4

Answer: Graph D

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kicyunya [14]

Answer:

Option c) y= $3\frac{17}{25}$ is correct

The value of y is 3 $\frac{17}{25}$

Step-by-step explanation:

Given equation is

$y-\frac{12}{25}=3\frac{1}{5}$

To solve the given equation for y

$y-\frac{12}{25}=3\frac{1}{5}$

$y-\frac{12}{25}=\frac{16}{5}$ (converting mixed fraction to normal fraction )

$y-\frac{16}{5}=\frac{12}{25}$

$y-\frac{(16\times 5)+12}{25}$ (taking LCM 25 )

$=\frac{80+12}{25}$ (adding the terms )

$y=\frac{92}{25}$ (now convert fraction into mixed fraction )

Therefore y= $3\frac{17}{25}$

Option c) y= $3\frac{17}{25}$ is correct

The value of y is 3 $\frac{17}{25}$

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2 years ago

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tiny-mole [99]

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2 years ago

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Murljashka [212]

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2 years ago

An item that was selling for $80 is reduced to $42. Find the percent decrease in

Westkost [7]

Answer:

47.5%

Step-by-step explanation:

You have to first subtract 80 and 42 to find the decrease first. This is 38. Now, you have to divide this by the original number which is 80. So 38 divided by 80 is 0.475.

Now multiply this by 100.

You can easily move the decimal point to the right.

So you would get 47.5%

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3 years ago

The solution to -3(2 - 5x) = 3x + 12 is<br> 1. -2.25<br> 2. -1.625<br> 3. 1.5<br> 4. 3

Nonamiya [84]

Answer:

1.5

Step-by-step explanation:

i am not certain but this is how I got it

First distribute which gives you the -3 with 2 I switched them around so I did -3(-5x+2) and you will get 15x-6

Then the opposite of subtraction is addition so you add 6 to both sides so you add six to 12 and to 6 leaving you with 15x=3x+18 you then will subtract 3x from 15x and 3 leaving you with 12x=18 the divide the numbers

After you divide you get 3/2 then put it has a decimal and you get 1.5

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3 years ago