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Feliz [49]
2 years ago
12

Answered If y = 3x and 2x – 4y = 3, then x=

Mathematics
1 answer:
Evgesh-ka [11]2 years ago
6 0

Answer:

<h2>x= -3/10</h2>

Step-by-step explanation:

putting value

2x - 4(3x) =3

2x- 12x = 3

-10x = 3

<h2>x = -3/10</h2>
You might be interested in
I need awnsers please
romanna [79]

y=f(x) =12\sqrt x\\\\\text{Replace x with y and then solve for y:}\\ \\~~~~~~~x = 12\sqrt y\\\\\implies \sqrt y  = \dfrac{x}{12}\\ \\\implies y = \dfrac{x^2}{144}\\\\\implies f^{-1} (x) = \dfrac{x^2}{144} \\\\\text{Hence the inverse of the function is}~ \dfrac{x^2}{144}

5 0
2 years ago
Serena has 3 3/5sq meters of wrapping paper for presents. Her grandmother has 1 1/2sq meters of wrapping paper. How much wrappin
levacccp [35]

Answer:

Total wrapping papers Serena and her grandmother = 51/10

Step-by-step explanation:

Serena's wrapping paper for parents:

  • 3\frac{3}{5}=\frac{18}{5} sq meters

Grandmother's wrapping paper:

  • 1\frac{1}{2}=\frac{3}{2} sq meters

In order to determine the combined wrapping papers for both Serena and grandmother, all we need is to add both.

i.e.

Total papers = Serena's wrapping paper + Grandmother's wrapping paper

                     =\frac{18}{5}+\frac{3}{2}

                     =\frac{36}{10}+\frac{15}{10}

\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{a}{c}+\frac{b}{c}=\frac{a+b}{c}

                      =\frac{36+15}{10}

                      =\frac{51}{10}

Therefore, total wrapping papers Serena and her grandmother = 51/10

3 0
2 years ago
How to find the slope of the line passing through the pairs of points and describe the line as rising,falling,horizontal or vert
jonny [76]
Falling because the slope is: -5/4
3 0
3 years ago
What is the dimensions for a square that has an area of 30 and a perimeter of 34
Alla [95]

A 4-sided thing with area of 30 and perimeter of 34
has these dimensions:

          <em> Length  =  15</em>
<em>            Width  =  2</em>

That's no square.


4 0
3 years ago
PLEASE HELP WHO EVER GET THIS RIGHT WILL MAKE U BRAINIEST
MrMuchimi

Answer: 150

Step-by-step explanation:

You got it right, just divide 300 by 2 :)

6 0
3 years ago
Read 2 more answers
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