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KonstantinChe [14]
3 years ago
15

Vlad spent 20 minutes on his history homework and then completely solved x math proplems that each took 2 minutes to complete. W

hat is the equation that can be used to find the value of y, the total time that vlad spent on his homework, and what are the constraints on the values of x and y?
Y=2x+20;is any integer greater than or equal to 0 and y is an integer greater than or equal to 20

Y=2x+20; is any real number greater than or equal to 0,and y is any real number greater than or equal to 20

Y=20x+2;is any integer greater than or equal to 0 and y is an integer greater than or equal to 20

Y=20x+2;is any real number greater than or equal to 0,and y is any real number greater than or equal to 20
Mathematics
2 answers:
alina1380 [7]3 years ago
8 0

C) y=20x+2; x is any integer greater than or equal to 0, and y is an integer greater than or equal to 20.

Mandarinka [93]3 years ago
3 0
I got 

<span>Y=20x+2;is any integer greater than or equal to 0 and y is an integer greater than or equal to 20

Sorry if I am wrong

</span>
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Writing an Informative Essay about an Event in History? HURRY
Svetradugi [14.3K]

When writing an informative essay about an event in history, you should:

  • Pick an engaging topic with several sources of information.
  • Clearly state your thesis in your introduction.
  • Use every paragraph to expand on a separate point.
  • Avoid using long sentences.
  • Reference sources accurately.

<h3>How can you write an informative essay on historical events?</h3>

To avoid finding it difficult to find information on your topics, pick a topic that has been well researched and has several sources of information on it. European history is well researched.

In the introduction, talk about why you think this topic is significant and include a thesis statement that would be the main logic you are producing details about.

Then divide this thesis into several points and talk about each point in a different paragraph. Use sentences that are not too long so that people don't lose interest.

Use primary and secondary information sources but make sure you reference these sources in the required format.

Find out more on informative essays at brainly.com/question/329730.

#SPJ1

4 0
2 years ago
Parallelogram RSTU is shown. The perimeter of parallelogram RSTU is 50
vichka [17]

Answer: x = -2

Step-by-step explanation:

Given:

Perimeter = 50 cm

=> 2 (2x+15)+ 2(3x+20) =50

=> 4x+30+6x+40=50

=> 10x= -20

=> x= -20/10

=> x = -2

4 0
3 years ago
Write the equation / inequality. pls help I'm on a test​
nignag [31]

Answer:

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%5Cfrac%7B2x%7D%7Bx%2B1%7D%20%2B%5Cfrac%7B3%28x-1%29%7D%7Bx%7D%20%3D5" id="TexFormula1" title=
Luden [163]

Answer:

x=-3

Step-by-step explanation:

<u>Given equation</u>:

\dfrac{2x}{x+1}+\dfrac{3(x+1)}{x}=5

Make the <u>denominators</u> the same:

\implies \dfrac{2x}{x+1} \cdot\dfrac{x}{x}+\dfrac{3(x+1)}{x} \cdot \dfrac{x+1}{x+1}=5

\implies \dfrac{2x^2}{x(x+1)}+\dfrac{3(x+1)^2}{x(x+1)} =5

<u>Combine</u> the fractions:

\implies \dfrac{2x^2+3(x+1)^2}{x(x+1)} =5

<u>Multiply</u> both sides by x(x+1):

\implies 2x^2+3(x+1)^2 =5x(x+1)

<u>Expand</u> the brackets:

\implies 2x^2+3(x^2+2x+1) =5x^2+5x

\implies 2x^2+3x^2+6x+3 =5x^2+5x

<u>Combine</u> like terms:

\implies 5x^2+6x+3=5x^2+5x

<u>Subtract</u> 5x² from both sides:

\implies 6x+3=5x

<u>Subtract</u> 5x from both sides:

\implies x+3=0

<u>Subtract</u> 3 from both sides:

\implies x=-3

Learn more about algebraic fractions here:

brainly.com/question/27943438

brainly.com/question/27979364

5 0
2 years ago
Oliver earns $93 per week mowing lawns in his neighborhood. Which expression can be used to show how much money he earns in 6 we
ElenaW [278]
1 week  = $93
6 weeks = $93 x 6 
6 weeks = $558
6 0
3 years ago
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