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3 years ago

Is the function g(x)= -2x^2 -2x+7 linear or nonlinear? HELPP plsss

Mathematics

1 answer:

Kitty [74]3 years ago

8 0

Answer:

Is non-linear

Step-by-step explanation:

It is a quadratic function

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20 less than12 times a number is 64, what is the number

Genrish500 [490]

20 < 12 ⋅ x = 64

This is somewhat of a false equation though, due to the left side "20" is not less than the right side "12 ", which means that the given statement is false.

So I switched it up and made the variable "12"

12 < 20 ⋅ x = 64

12x - 20 = 64

12x = 64 + 20

12x = 84

12x⁄12 = 84⁄12

x = 7

____

I hope this helps, as always. I wish you the best of luck and have a nice day, friend..

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3 years ago

6x+4 = -6+ 4x +18 solve for x

omeli [17]

Answer:

Step-by-step explanation:

6x+4=12+4x
6x-4x=12-4
2x=8
x=4

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3 years ago

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The sale price of an item is $15 after a 70% discount is applied. What is the original price of the item?

sukhopar [10]

21.428571428571428571428571428571

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3 years ago

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What is the perimeter in square units of the rectangle shown on the coordinate grid?

Rashid [163]

In order to find the Perimeter of the Rectangle, First we need to find the Length and Width of the Rectangle.

Distance between two points (x₁ , y₁) and (x₂ , y₂) is given by :

$\bigstar\;\; \mathsf{Distance = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}}$

There are two lengths in a rectangle. Let us find any one length of the rectangle.

I'm considering the length with co-ordinates (-8 , 2) and (-2 , 10)

Here : x₁ = -8 and x₂ = -2 and y₁ = 2 and y₂ = 10

Substituting the values in the distance formula, We get :

$\mathsf{\implies Length = \sqrt{[-2 - (-8)]^2 + [10 - 2]^2}}$

$\mathsf{\implies Length = \sqrt{[-2 + 8]^2 + [8]^2}}$

$\mathsf{\implies Length = \sqrt{[6]^2 + [8]^2}}$

$\mathsf{\implies Length = \sqrt{36 + 64}}$

$\mathsf{\implies Length = \sqrt{100}}$

$\mathsf{\implies Length = 10}$

There are two widths in a rectangle. Let us find any one width of the rectangle.

I'm considering the width with co-ordinates (-2 , 10) and (2 , 7)

Here : x₁ = -2 and x₂ = 2 and y₁ = 10 and y₂ = 7

Substituting the values in the distance formula, We get :

$\mathsf{\implies Width = \sqrt{[2 - (-2)]^2 + [7 - 10]^2}}$

$\mathsf{\implies Width = \sqrt{[2 + 2]^2 + [-3]^2}}$

$\mathsf{\implies Width = \sqrt{[4]^2 + [-3]^2}}$

$\mathsf{\implies Width = \sqrt{16 + 9}}$

$\mathsf{\implies Width = \sqrt{25}}$

$\mathsf{\implies Width = 5}$

Perimeter of a Rectangle is given by : 2[Length + Width]

$:\implies$ Perimeter of the given rectangle = 2[10 + 5]

$:\implies$ Perimeter of the given rectangle = 2[15]

$:\implies$ Perimeter of the given rectangle = 30

Answer : Perimeter of the given rectangle is 30 square units

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3 years ago

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Which of the following would result in the same value as -40 divided by 2? select all that apply

Vinvika [58]

Answer:

C D F

Step-by-step explanation:

Taking -40/2, we know our answer must be -20.

Testing each answer choice proves this.

A= 40*1/2, which is equal to 40/2, which is 20.

B= -40*-1/2, again, equaling 20.

C= 40/-2. Since one of our terms is negative, this one is -20.

D= 40*-1/2, again, -20.

E= -1/40*2. This would equal -2/40, using fraction multiplication.

F= -40*1/2, Which is the exact same thing the original question asks.

Thus, our final answer is C, D, and F.

5 0

3 years ago