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Pavel [41]
3 years ago
15

Write the following equation in standard form: 8/7x^3+x^4+6x+1

Mathematics
2 answers:
just olya [345]3 years ago
5 0
<span><span><span>87</span>x−<span>34</span>y=<span>72</span></span><span><span>87</span>x-<span>34</span>y=<span>72</span></span></span>To write a linear equation in standard form, move each variable term to the left side of the equation and simplify.

<span><span>Ax+By=C</span><span>Ax+By=C</span></span>Simplify each term.




Tap for more steps...<span><span><span>8x</span>7</span>−<span><span>3y</span>4</span>=<span><span>72</span></span></span>
saw5 [17]3 years ago
5 0

Answer with explanation:

To Write a Polynomial in standard form ,we will start from highest degree of variable then to lower degree of variable , and so on........

For example :

 a_{n}x^n+a_{n-1}x^{n-1}+a_{n-2}x^{n-2}+.......+a_{1}x+a_{0}

 is the polynomial in standard form.

The given polynomial which we have to write in standard form

 =\frac{8x^3}{7}+x^4+6 x+1\\\\\text{Standard form}=x^4+\frac{8x^3}{7}+6 x+1

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A student draws a quadrilateral that has two sides measuring 5 cm and two sides measuring 8 cm, and the sides opposite to each o
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3x - 3y = -3<br>2x - y = -5​
Korolek [52]

For this case we must solve the following system of equations:

3x-3y = -3\\2x-y = -5

To solve we follow the steps below:

We multiply the second equation by -3:

-6x + 3y = 15

Thus, we have the equivalent system:

3x-3y = -3\\-6x + 3y = 15

We add the equations:

3x-6x-3y + 3y = -3 + 15\\-3x = -3 + 15\\-3x = 12\\x = \frac {12} {- 3}\\x = -4

We look for the value of the variable "y":

2 (-4) -y = -5\\-8-y = -5\\-y = -5 + 8\\-y = 3\\y = -3

Thus, the solution of the system is given by:

(x, y): (- 4, -3)

Answer:

(x, y): (- 4, -3)

4 0
3 years ago
Honestly, I'm trying my best to solve this but my Math XL is being so rude. ​
Valentin [98]
<h3>Answer:  19</h3>

==============================================================

Explanation:

T is the midpoint of PQ, which means T splits PQ into two equal parts. Those parts being PT and TQ.

Set them equal to each other and solve for x.

PT = TQ

3x+7 = 7x-9

3x-7x = -9-7

-4x = -16

x = -16/(-4)

x = 4

So,

PT = 3x+7 = 3*4+7 = 19

TQ = 7x-9 = 7*4-9 = 19

Both PT and TQ are 19 units long to help confirm the answer.

5 0
3 years ago
Read 2 more answers
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