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KengaRu [80]
2 years ago
6

What is the polynomial answer for (-3+3n5+6n3)+(7n5+5n3-3)​

Mathematics
2 answers:
Gennadij [26K]2 years ago
7 0

10n^5+11n^3-6 is the answer

hope this helps

Serjik [45]2 years ago
5 0

Answer:

  10n^5 +11n^3 -6

Step-by-step explanation:

Add like terms:

  (-3+3n^5+6n^3)+(7n^5+5n^3-3)

  = n^5(3 +7) +n^3(6 +5) +(-3 -3)

  = 10n^5 +11n^3 -6

You might be interested in
Their sum is −7 and their difference is 14 what are my numbers
Mashcka [7]

Answer:

Answer: 3 1/2 and -10 1/2 are the two numbers.

Step-by-step explanation:

Let x and y be the two unknown numbers.

x+y=-7 [Given]

x-y=14 [Given]

x-y=14 [Given]

x=y+14 [Add y to both sides]

x+y=-7 [Given]

(y+14)+y=-7 [Subtitution]

2y+14=-7 [Combine like terms]

2y=-21 [Subtract 14 from both sides]

y=-21/2 [Divide both sides by 2]

y=-10 1/2 [Division]

x-y=14 [Given]

x=y+14 [Add y to both sides]

x=-10 1/2 + 14 [Substitution]

x= 3 1/2 [Addition]

Check:

x+y=-7 [Given]

3 1/2 + -10 1/2?=-7 [Substition]

-7=-7 [Addition]

QED

x-y=14 [Given]

3 1/2 - -10 1/2?=14 [Substitution]

3 1/2 + 10 1/2?=14 [Change the sign of the subtrahend and add]

14=14 [Addition]

QED

Answer: 3 1/2 and -10 1/2 are the two numbers.

8 0
3 years ago
If a point B(2,5) lies on a circle with center at origin,then what will be the length of the
lianna [129]

Answer:

r = \sqrt{29}

Step-by-step explanation:

The distance from the centre to a point on the circle is the radius r

Calculate r using the distance formula

r = \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2    }

with (x₁, y₁ ) = (0, 0 ) and (x₂, y₂ ) = (2, 5 )

r = \sqrt{(2-0)^2+(5-0)^2}

  = \sqrt{2^2+5^2}

  = \sqrt{4+25}

  = \sqrt{29}

5 0
2 years ago
What are the solutions to the equation y² + 16 = 212?
Levart [38]
Y² + 16 = 212 
<span>y</span>² <span>= 196 </span>
<span>y = -14 and 14</span>
6 0
3 years ago
Read 2 more answers
Can you solve this question for me?
krek1111 [17]

y+2 = 3x

subtract 2 from each side

y = 3x-2

4 0
3 years ago
Read 2 more answers
Please plot this linear equation on a graph, and also explain how to plot it. <br> <img src="https://tex.z-dn.net/?f=y%3D3x-7" i
olasank [31]

Answer:

See below:

Step-by-step explanation:

Hello! I hope you are having a nice day.

We can solve this equation in a single step, we just need a bit of theory and a graph.

We can first see that its in y=mx+b form. Which is also known as Slope-Intercept form.

This means that we know the following.

  • b is the y coordinate of the y intercept.
  • m is the slope of the line.

Since we know that, we can see that from our equation that the slope of the line is 3 and the y intercept is (0,-7).

Now that we've gotten that, we can start graphing.

The y intercept is -7 so we can plot (0,-7) as one of our points.

The slope of 3 means that we got up 3 units then right a single unit.

Therefore, another point could be (1,-4).

With our two points, we can create our graph by creating a straight line through those two points and therefore plotting our line.

Cheers!

6 0
2 years ago
Read 2 more answers
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