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2 years ago

Whats value of x is in the solution set of 2(3x-1)>4x-6 A.-10 B.-5 C.-3 D-1

Mathematics

1 answer:

pickupchik [31]2 years ago

8 0

Answer:

B. -5

Step-by-step explanation:

3x-1 > 4x-6

3x>4x-5

-4x

-x>-5

/-1 /-1

x>-5

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Triangle ABC has vertices A(-2, 3), B(0, 3), and C(-1,-1). Find the coordinates of the image after a reflection over the

motikmotik

Given:

Given that the triangle ABC has vertices A(-2,3), B(0,3) and C(-1,-1).

We need to determine the coordinates of the image after a reflection over the x - axis.

Let A'B'C' denote the coordinates of the triangle after a reflection over the x - axis.

Coordinates of the point A':

The general rule to reflect the coordinate across the x - axis is given by

$(x,y)\rightarrow (x,-y)$

Substituting the point A(-2,3), we get;

$(-2,3)\rightarrow (-2,-3)$

Thus, the coordinates of the point A' is (-2,-3)

Coordinates of the point B':

The general rule to reflect the coordinate across the x - axis is given by

$(x,y)\rightarrow (x,-y)$

Substituting the point B(0,3), we get;

$(0,3)\rightarrow (0,-3)$

Thus, the coordinates of the point B' is (0,-3)

Coordinates of the point C':

The general rule to reflect the coordinate across the x - axis is given by

$(x,y)\rightarrow (x,-y)$

Substituting the point C(-1,-1), we get;

$(-1,-1)\rightarrow (-1,1)$

Thus, the coordinates of the point C' is (-1,1)

Hence, the coordinates of the image after a reflection over the x - axis is A'(-2,-3), B(0,-3) and C(-1,1)

8 0

3 years ago

Fifteen less than twice a number is less than or equal to -23

lutik1710 [3]

I would think the answer is -16

but that's is what i think

5 0

3 years ago

Given the function f(x)=-5x^2-2x+20 find f(3)

Deffense [45]

$f(x)=-5x^2-2x+20\\\\f(3)\to\text{put x=3 to the equation of the function f}\\\\f(3)=-5(3^2)-2(3)+20=-5(9)-6+20=-45-6+20=-31\\\\Answer:\ f(3)=-31$

4 0

2 years ago

Is -1.2 a rational number

Taya2010 [7]

Answer:

I don't think so

Step-by-step explanation:

5 0

2 years ago

a manufacturer ships its product in boxes with edges 4inches. if 12 boxes Are put in a carton and completely fill the carton, wh

Soloha48 [4]

The volume of a box is equal to the product its width, length and height
V = whl
Since all of the sides are 4 inches, we end up with
V= 4*4*4
Simplify to V = 16*4 = 64.
If the volume of one box is 64:
V = 64
The volume of 12 boxes is 64 * 12.
12V = 768
Since the volume of 12 boxes is the same as the volume of the carton, the volume of the carton must be 768 cubic inches.

4 0

3 years ago