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Marrrta [24]
3 years ago
12

Choose the polynomial that is written in standard form.

Mathematics
2 answers:
timama [110]3 years ago
4 0

Standard form of a polynomial starts with the term with the x that has the highest degree then decreases

D. is the polynomial that is in standard form

:)))

IgorC [24]3 years ago
4 0

Answer:

Option D - -2x^5y^3+4x^2y^2+x^2

Step-by-step explanation:

Given : The polynomials.

To find : Choose the polynomial that is written in standard form.

Solution :

The standard form of writing the polynomial is based on order of degree.

The order of degree is written from highest to lowest.

A) 2x^3y^2+4x^4y+8x^7

Highest degree is 7 so 8x^7 it come first.

So, No it is not in standard form.

B) -3x^4y^2+4x^4y^5+10x^2

Highest degree is 9 so 4x^4y^5 it come first.

So, No it is not in standard form.

C) 6xy^2+4x^3y^8+9x^2

Highest degree is 11 so 4x^3y^8 it come first.

So, No it is not in standard form.

D) -2x^5y^3+4x^2y^2+x^2

This is written in standard form as

Highest degree is 8 so -2x^5y^3 come first.

Second highest degree is 4 so 4x^2y^2 come second.

Third highest degree is 2 so 4x^2y^2 come third.

Therefore, Option D is correct.

The polynomial that is written in standard form is -2x^5y^3+4x^2y^2+x^2

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Can someone explain this step by step please
kobusy [5.1K]

Answer:

x = - 2

y = 6

Step-by-step explanation:

The best way to do this is to put - 3x in for y in the second equation.

4x - 2(-3x) = - 20        Watch the signs. You have 2 minus signs.

4x - - 6x = -20            Change - - 6x to 6x

4x + 6x = - 20              Add

10x = - 20                   Divide by 10

x = -20/10

x = - 2

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

Find y

y = - 3x

y = -3 * -2

y = 6

3 0
2 years ago
I don’t know how to solve this
LuckyWell [14K]

Answer:

(3x-5)x(3x+5)

Step-by-step explanation:

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7 0
3 years ago
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Dan can spread mulch in 12 hours. If Jessica helps, it takes them
Mice21 [21]

Answer:

uh 14

Step-by-step explanation:

i did really just add 12+2

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3 0
3 years ago
Need help with questions <br> 2. and 3.
emmainna [20.7K]

9514 1404 393

Answer:

  2)  x = 7

  3)  x = 5

Step-by-step explanation:

When a transversal crosses parallel lines, all of the acute angles are congruent, and all of the obtuse angles are congruent. When it crosses at right angle, all of the angles are right angles.

2) All of the angles are right angles.

  11x +13 = 90

  11x = 77 . . . . . . subtract 13

  x = 7 . . . . . . . divide by 11

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3) The two marked angles are acute.

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5 0
2 years ago
Julio bought 4 pencils and 3 erasers for $0.37 and David paid $0.33 for 3 pencils and 4 erasers. What is the cost of one pencil?
grigory [225]

cost of pencil = x = 0.07

and cost of eraser = y = 0.03

Step-by-step explanation:

let cost of pencil = x

and cost of eraser = y

So, we have equations:

4x+3y=0.37\\3x+4y=0.33

Solving both equations to find value of x and y

Let:

4x+3y=0.37\,\,\,eq(1)\\3x+4y=0.33\,\,\,eq(2)

Multiply eq(1) with 4 and eq(2) with 3 and subtract

16x+12y=1.48\\9x+12y=0.99\\-\,\,\,-\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,-\\--------\\7x=0.49\\x=0.07

Putting value of x in equation 1:

4x+3y=0.37\\4(0.07)+3y=0.37\\0.28+3y=0.37\\3y=0.37-0.28\\3y=0.09\\y=0.03

So, x= 0.07 and  y = 0.03

cost of pencil = x = 0.07

and cost of eraser = y = 0.03

Keywords: System of equations

Learn more about system of equations at:

  • brainly.com/question/9045597
  • brainly.com/question/3739260
  • brainly.com/question/13168205

#learnwithBrainly

4 0
3 years ago
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