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nekit [7.7K]
3 years ago
14

Write the point-slope form of the equation of the line that passes through the points (-8, 2) and (1, -4).

Mathematics
1 answer:
Kruka [31]3 years ago
3 0
So point-slope form is (y-y1) = m(x-x1). So first find m. m = (y2-y1) / (x2-x1) So for your problem m = (-4-2) / (1--8) = -6/9 = -2/3. Then plug the slope and a point into the point-slope equation so you can either get: y-2 = (-2/3)*(x+8) or y+4 = (-2/3)*(x-1). Both are valid.

Hope this helps!
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A square ceiling has an area of 360 square feet. Alex wants to put molding around the entire perimeter of the ceiling. Approxima
Blababa [14]

Answer:

Option C is correct

76 feet

Step-by-step explanation:

Area of square(A) is given by:

A =s^2

where, s is the side of the square.

As per the statement:

A square ceiling has an area of 360 square feet.

⇒A = 360 square feet.

then;

s^2 = 360

⇒s = \sqrt{360} =18.973666

Perimeter(P) of square is given by:

P = 4s

then;

P = 4 \cdot 18.973666 = 75.894664 \approx 76 ft

Therefore, 76 feet molding does he need.

7 0
3 years ago
How do I find the domain of a function
Aliun [14]
It is how much the x values can expand on a graph
6 0
3 years ago
!!!!!!!!50 POINTS. PLEASE HELP ASAP!!!!!!!
WARRIOR [948]

Answer:

x^6 + 2x^3  -2x^2 -8x + 4

Step-by-step explanation:

Okay, so we need to multiply f and g.

Since you said asap, I won't do the long explanation...

       x3        -4x       2

x2    x6       -4x2     2x2

2     2x3      -8x      4

x^6 + 2x^3  -2x^2 -8x + 4

3 0
3 years ago
8 balls cost 16 dollars.how much do 32 balls cost
meriva
8 balls = 16
1 ball = 2
32 balls = 64
5 0
3 years ago
The area of a rectangle is represented by the polynomial x^2+3x-6x-18. What are the length, width, and area of the rectangle if
Nitella [24]

Answer:

Length = 15

Width = 6

Area = 90

Step-by-step explanation:

Area of the rectangle = {x}^{2}  + 3x - 6x - 18

Lets factorise the polynomial

=  >  x(x + 3) - 6(x + 3)

=  > (x  + 3)(x - 6)

We know that Area = Length × Width

Let the length be (x + 3) & width be (x - 6)

Its given in the question that x = 12. So putting the value of x gives ,

Length = x + 3 = 12 + 3 = 15

Width = x - 6 = 12 - 6 = 6

Area = Length × Width = 15 × 6 = 90

5 0
3 years ago
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