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aleksley [76]
3 years ago
8

Subtract (5x2 3) −(2x2 4x − 12)

Mathematics
2 answers:
timurjin [86]3 years ago
6 0
Distribute invisible-1 to the 2x^2+4x-12
5x^2+3-2x^2-4x+12
group like terms
5x^2-2x^2-4x+3+12
3x^2-4x+15
Airida [17]3 years ago
3 0

Answer:

3x2 − 4x + 15

(just took the quiz)


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Lilia is saving money for dance lessons. She already has $10. Each week she is going to save $5. Write an equation, in slope-int
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The equation which represents the amount of money, y, that Lilia will save in x weeks is;

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<h3>Slope-intercept form of linear equations</h3>

The slope-intercept form of linear equations usually takes the form;

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According to the information given;

  • Lilia already has $10.

Therefore, the y-intercept of the equation is; $10.

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The slope of the equation is; $5.

By substitution, the required equation is;

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Read more on slope-intercept form of equations;

brainly.com/question/1884491

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B. False

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Are all squares proportional?
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Step-by-step explanation:

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(5 + 3) − (−3 − 7) − 2<br> What's the answer
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Pierre runs the same around a track each day 4 days a week.He runs a total of 12 miles each week.It takes 8 laps of the track to
ddd [48]

Answer:

4l=8\cdot 12

Step-by-step explanation:

Let l represent number of miles ran by Pierre each day.

We have been given that Pierre runs the same around a track each day 4 days a week. So number of laps ran is 4 days would be 4l.

We are also told that he runs a total of 12 miles each week and it takes 8 laps of the track to equal a mile. So number of laps in 12 miles would be 8 times 12.

Now, we will equate total laps ran in 4 days by 8 times 12 as:

4l=8\cdot 12

Therefore, we can use the equation 4l=8\cdot 12  to find how many laps Pierre runs each day.

Let us solve for l as:

\frac{4l}{4}=\frac{8\cdot 12}{4}

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Therefore, Pierre runs 24 laps each day.

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