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marin [14]
3 years ago
15

A line segment AB has midpoint (2, 5). If the coordinates of A are (-1, -3), what are the coordinates of B?

Mathematics
1 answer:
Alexandra [31]3 years ago
3 0

Answer:

B (5; 13)

Step-by-step explanation:

Midpoint (x) = (-1 + bx)/2 = 2

Bx - 1 = 4

Bx = 5

Midpoint (y) = (-3 + By)/2 = 5

By - 3 = 10

By = 13

B (5; 13)

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Step-by-step explanation:

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Using graph paper, graph the following equation. Then click on the graph until the correct one is displayed.
Jet001 [13]
U didnt post a graph...so let me try and explain this line...

y = -3/5x + 1

slope = -3/5....negative slope means ur line is going down (decreasing)
ur y int is 1....that means the line crosses the y axis at (0,1)
ur x int can be found by subbing in 0 for y and solving for x...
0 = -3/5x + 1
3/5x = 1
x = 1 * 5/3
x = 5/3....so ur x int is (5/3,0)....5/3 = 1 2/3 for graphing purposes

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GalinKa [24]

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Step-by-step explanation:

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I need help in this question
AlladinOne [14]

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2 years ago
a square has a side length of x. A rectangle has a length that is 4 inches longer than the square and a width that is 2 inches s
vodomira [7]

Answer:

Length of the rectangle is = 8 inches.

Step-by-step explanation:

Given :

Area of square = Area of the rectangle

According to the question:

Length of the square be 'x'.

Its area = (Side)*(Side) =x^2   ...equation (i)

Length of the rectangle = (x+4)

Width of the rectangle = (x-2)

Area of the rectangle =Length * Width

⇒(x+4)(x-2)=x^2-2x+4x-8

⇒x^2+2x-8          ...equation  (ii)

Equating both the equation as area of both the figure are equal.

⇒ x^2+2x-8=x^2

⇒ 2x-8=0     ...subtracting x^2 both sides

⇒ 2x=8           ...dividing both sides with 2

⇒ x=\frac{8}{2}=4 inches

Plugging the value of x=4 in the length of the rectangle.

We have,

⇒(x+4)=(4+4)=8

So the length of the rectangle = 8 inches.

4 0
3 years ago
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