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4 years ago

4x³-2x⁴+8x+10x²-4 in standard form

Mathematics

1 answer:

Andru [333]4 years ago

7 0

Answer:

-2x⁴+4x³+10x²+8x-4

Step-by-step explanation:

Standard form for a polynomial is from highest power to lowest power

4x³-2x⁴+8x+10x²-4

-2x⁴+4x³+10x²+8x-4

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I have one more question I need help on. If A(-5,3)B(3,9)C(2,2), classify triangle ABC as scalene, isosceles, or equilateral. If

Marina86 [1]

It is an isosceles triangle

4 0

4 years ago

Eric plays basketball and volleyball for a total of 95 minutes every day. He plays basketball for 25 minutes longer than he play

dangina [55]

Answer:

A) x = y+25

B) 35 minutes

C) 35 ≠85

Step-by-step explanation:

As we know

X = number of minutes Eric plays basketball

Y = Number of minutes he plays volleyball

x+y= 95

x = y+25

We will replace

x=y+25 in the first equation and we will get (y+25) + y =95

On solving,

y+25+y =95

25+2y=95

2y=95-25

2y=70

y = 70/2

y = 35 minutes

C) X = 35

x+y= 95

35+y =95

y= 95-35

y = 60 minutes

Substituting value of Y as 60 , we get

x = y+25

35 = 60+25

35 ≠85

5 0

3 years ago

What is the sum of 4 of the interior angles of a regular octagon?

ycow [4]

Answer:

540°

Step-by-step explanation:

inter angle vertex = 135°

135 + 135 + 135 + 135 = 540°

3 0

3 years ago

Which of the following equations has the same solutions as the equation 3x + 2y = -12? Check all that apply.

Mariulka [41]

Answer:

$B.\ -3x - 2y = 12$

$C.\ 15x + 10y = -60$

$E.\ 6x + 4y = -24$

$F.\ 1.5x + y =-6$

Step-by-step explanation:

Given

$3x + 2y = -12$

Required

Determine equations with same solution as $3x + 2y = -12$

For a solution to have the same solution as $3x + 2y = -12$ , the equation must be expressed as $3x + 2y = -12$

$A.\ 3x - 2y = 12$

This can not be expressed as $3x + 2y = -12$

$B.\ -3x - 2y = 12$

Multiply through by -1

$-1(-3x - 2y) = 12 * -1$

$3x + 2y = -12$

This has the same solution as the given equation

$C.\ 15x + 10y = -60$

Divide through by 5

$\frac{15x}{5} + \frac{10y}{5} = \frac{-60}{5}$

$3x + 2y = -12$

This has the same solution as the given equation

$D.\ 6x + 2y = -12$

Divide through by 2

$\frac{6x}{2} + \frac{2y}{2} = \frac{-12}{2}$

$3x + y = -6$

This can not be expressed as $3x + 2y = -12$

$E.\ 6x + 4y = -24$

Divide through by 2

$\frac{6x}{2} + \frac{4y}{2} = \frac{-24}{2}$

$3x + 2y = -12$

This has the same solution as the given equation

$F.\ 1.5x + y =-6$

Multiply through by 2

$2*1.5x + 2*y =-6*2$

$3x + 2y =-12$

This has the same solution as the given equation

$G.\ x + \frac{2}{3}y = -12$

Multiply through by 3

$3 * x + 3*\frac{2}{3}y = -12*3$

$3x + 2y = -36$

This can not be expressed as $3x + 2y = -12$

The equations with the same solution as $3x + 2y = -12$ are the ones that we were able to expressed as $3x + 2y = -12$ .

And the equations are:

$B.\ -3x - 2y = 12$

$C.\ 15x + 10y = -60$

$E.\ 6x + 4y = -24$

$F.\ 1.5x + y =-6$

7 0

3 years ago

Fine the midpoint of the line segment joining points A and B. A(4,-7); B(4,1)

Jet001 [13]

Answer:

Midpoint: (4,-3)

Step-by-step explanation:

(4 +4)/2 = 4

(-7+1)/2 = - 3

8 0

3 years ago

Read 2 more answers