19.09.2022

Suppose AB has one endpoint at A(0, 0).
What are the coordinates of B if (5, 3) is 13
1
3 of the way from A to B

. 9

Faq

Mathematics
Step-by-step answer
P Answered by PhD

Given:

Line segment AB has one endpoint at A(0,0).

(5, 3) is 1/3 of the way from A to B.

To find:

The coordinates of point B.

Solution:

Let the coordinates of point B are (a,b).

Suppose point P(5, 3) is 1/3 of the way from A to B.

\dfrac{AP}{AB}=\dfrac{1}{3}

\dfrac{AP}{PB}=\dfrac{AP}{AB-AP}=\dfrac{1}{3-1}=\dfrac{1}{2}

It means, point P(5, 3) divides the segment AB in 1:2.

Section formula:

If a point divides a line segment in m:n, then

Point=\left(\dfrac{mx_2+nx_1}{m+n},\dfrac{my_2+ny_1}{m+n}\right)

Point P(5, 3) divides the segment AB in 1:2. Using section formula, we get

P=\left(\dfrac{1(a)+2(0)}{1+2},\dfrac{1(b)+2(0)}{1+2}\right)

(5, 3)=\left(\dfrac{a}{3},\dfrac{b}{3}\right)

On comparing both sides, we get

\dfrac{a}{3}=5

a=15

\dfrac{b}{3}=3

b=9

Therefore, the coordinates of point B are (15,9).

Mathematics
Step-by-step answer
P Answered by PhD

B(x_2,y_2)= (20,12)

Step-by-step explanation:

Given

A = (0,0)

Ratio; m : n = 1 : 3

Point\ at\ 1 : 3 = (5,3)

Required

Coordinates of B

This question will be answered using line ratio formula;

(x,y) = (\frac{mx_2 + nx_1}{m + n},\frac{my_2 + ny_1}{m + n})

In this case:

(x,y) = (5,3)

(x_1,y_1) = (0,0)

m : n = 1 : 3

Solving for (x_2,y_2)

(x,y) = (\frac{mx_2 + nx_1}{m + n},\frac{my_2 + ny_1}{m + n}) becomes

(5,3) =  (\frac{1 * x_2 + 3 * 0}{1 + 3},\frac{1 * y_2 + 3 * 0}{1 + 3})

(5,3) =  (\frac{x_2 + 0}{4},\frac{y_2 + 0}{4})

(5,3) =  (\frac{x_2}{4},\frac{y_2}{4})

Comparing the right hand side to the left;

\frac{x_2}{4} = 5 -- (1)

\frac{y_2}{4} = 3 -- (2)

Solving (1)

x_2 = 5 * 4

x_2 = 20

Solving (2)

y_2 = 3 * 4

y_2 = 12

Hence;

B(x_2,y_2)= (20,12)

Mathematics
Step-by-step answer
P Answered by PhD
          B(10, 6)

Step-by-step explanation:

If P is midpoint of AB and:  A(0,\,0)\,,\quad P(5,\,3)\,,\quad B(x_B,\,y_B)

then:

x_P-x_A=x_B - x_P\qquad\quad\ \wedge\qquad y_P-y_A=y_B - y_P\\\\ 5-0=x_B-5\qquad\quad\wedge\qquad 3-0=y_B -3\\\\ x_B=5+5\qquad\qquad\wedge\qquad\ \ y_B=3+3 \\\\ {}\quad x_B=10\qquad\qquad\wedge\qquad\qquad \ y_B=6

Mathematics
Step-by-step answer
P Answered by PhD

Step-by-step explanation:

(x + 0)/2 = 3

x  + 0 =6

x = 6

(y + 0)/2 = 4

y + 0 = 8

y = 8

(6, 8)

Mathematics
Step-by-step answer
P Answered by Master

Step-by-step explanation:

what was the answer

Mathematics
Step-by-step answer
P Answered by PhD
          B(10, 6)

Step-by-step explanation:

If P is midpoint of AB and:  A(0,\,0)\,,\quad P(5,\,3)\,,\quad B(x_B,\,y_B)

then:

x_P-x_A=x_B - x_P\qquad\quad\ \wedge\qquad y_P-y_A=y_B - y_P\\\\ 5-0=x_B-5\qquad\quad\wedge\qquad 3-0=y_B -3\\\\ x_B=5+5\qquad\qquad\wedge\qquad\ \ y_B=3+3 \\\\ {}\quad x_B=10\qquad\qquad\wedge\qquad\qquad \ y_B=6

Mathematics
Step-by-step answer
P Answered by PhD

Step-by-step explanation:

Let the coordinates of B be (x,y)

5=\frac{0+x}{2}\\x=5 \times 2=10\\3=\frac{0+y}{2}\\y=3 \times 2=6\\so~B~is~(10,6)

Mathematics
Step-by-step answer
P Answered by PhD

Step-by-step explanation:

(x + 0)/2 = 3

x  + 0 =6

x = 6

(y + 0)/2 = 4

y + 0 = 8

y = 8

(6, 8)

Mathematics
Step-by-step answer
P Answered by Specialist

A(1, 3) and B(5, 15). The coordinates (6, 2) divides the line segment directed from A to B in the ratio of 1:3. Line segment AB has endpoints A(0, 12) and B(8, 8). The coordinates (2, 11) divides the line segment directed from A to B in the ratio of 1:3.

Step-by-step explanation:

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Mathematics
Step-by-step answer
P Answered by Specialist

A(1, 3) and B(5, 15). The coordinates (6, 2) divides the line segment directed from A to B in the ratio of 1:3. Line segment AB has endpoints A(0, 12) and B(8, 8). The coordinates (2, 11) divides the line segment directed from A to B in the ratio of 1:3.

Step-by-step explanation:

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