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slamgirl [31]
3 years ago
14

Solve the following system by the substitution method 2x+y=4 y+2x

Mathematics
1 answer:
jok3333 [9.3K]3 years ago
7 0
2xy=4, then you have to solve for y, since the inequality is 4 the answer is simple.
y=4x

Good luck.
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Which of the following points is a solution to the system of inequalities show below
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the volume of a large sphere (of radius R) is twice the volume of a smaller sphere (of radius r). form an equation linking r and
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Step-by-step explanation:

radius of large sphere is R,

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and

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Which representation does not show a proportional relationship between x and y?
nasty-shy [4]

Answer:

Table A

Step-by-step explanation:

looking at the two tables, we have the observations as follows;

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6 0
3 years ago
What is <img src="https://tex.z-dn.net/?f=%5Cfrac%7B2%7D%7B3%7D%20%2A%2081" id="TexFormula1" title="\frac{2}{3} * 81" alt="\frac
Vaselesa [24]

Hello!

<u><em>Answer:  ⇒⇒⇒⇒⇒⇒⇒ =54</em></u>

_________________________________________________________________

Step-by-step explanation:

First you had to convert element to fraction.

\frac{2}{3}*\frac{81}{1}

Then you had to cross out by the common factor of 3.

\frac{2}{1}=\frac{27}{1}

Multiply by the fraction.

\frac{2*27}{1*1}

Multiply by the number.

2*27=54

=\frac{54}{1*1}

Again multiply by the number.

1*1=1

=\frac{54}{1}

Apply rule.

\frac{54}{1}=54

54 is the right answer.

______________________________________________________________

Hope this helps!

Thank you for posting your question at here on brainly.

Have a great day!

-Charlie

_________________________________________________________________

4 0
3 years ago
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