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3 years ago

9x-3y=12. Solve for why

1 answer:

5 0

Hi there

I am glad to help you

9x - 3y = 12
Solve for Y
-3y = 12 - 9x
y= (12-9x)/-3
y= 3x - 4

Easy right ? I hope that's help and if you have any questions about the answer please let me know.

Have a nice day XD :)

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The temperature in degrees Celsius, c, can be converted to degrees Fahrenheit, f, using the equation f-c+32. Which

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It is a function because every Celsius temperature is associated with only one Fahrenheit temperature. Therefore, option B is true.

<h3>How to convert Celsius into Fahrenheit ?</h3>

We are given that the temperature in degrees Celsius C can be converted to degrees Fahrenheit F

We know that the formula

$\dfrac{C}{5} = \dfrac{F - 32}{9}$

If we are substituting c = -40

Then, we get

$\dfrac{C}{5} = \dfrac{F - 32}{9}\\\\\dfrac{-40}{5} = \dfrac{F - 32}{9}\\\\-8 \times 9 = F - 32\\\\F = -72 + 32\\\\F = -40$

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The function is one-one because for every value of Celsius we get a unique value of Fahrenheit.

Hence, it is a function because every Celsius temperature is associated with only one Fahrenheit temperature.

Therefore, option B is true.

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brainly.com/question/2919967

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2 years ago

Find the length of a side of a square with an area of 20 ft^2.

yan [13]

The formula for the area of a square is:

A = s²

Area = side²

We know that area (A) is 20 ft²

20 = s²

Now we must find the length of the side (s). To do this we must get rid of the square. To remove the square from s take the square root of both sides:

√20 = √s²

s ≈ 4.5 ft <<< approximate answer

To find the exact answer you must simplify the square root:

s = 2√5 ft <<< exact answer

Each side of the square is exactly 2√5 or approximately 4.5

Hope this helped! Let me know if you have any further questions

~Just a girl in love with Shawn Mendes

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4 years ago

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yulyashka [42]

Answer:

To figure out if an ordered pair is a solution to an equation, you could perform a test. Identify the x-value in the ordered pair and plug it into the equation. When you simplify, if the y-value you get is the same as the y-value in the ordered pair, then that ordered pair is indeed a solution to the equation.

Step-by-step explanation:

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