HELP! Will give brainiest and 20 points! Please please help!

What are the x- and y- coordinates of point E, which partitions the directed line segment from J to K into a ratio of 1:4? (–13,

Lana71 [14]

I added a screenshot of the complete question.

Answer:

(-7, -1)

Explanation:

The formulas given to calculated the x and y coordinates are as follows:

$x = (\frac{m}{m+n})(x_{2}-x_{1}) + x_{1}\\\\y = (\frac{m}{m+n})(y_{2}-y_{1}) + y_{1}$

Let's define the variables used:

(x₁ , y₁) are the coordinates of the first point while (x₂ , y₂) are the coordinates of the second point.

We are given that the segment is directed from J to K, therefore:

First point is J ..........> (x₁ , y₁) is (-15, -5)

Second point is K ....> (x₂ , y₂) is (25, 15)

m and n defined the portion of the partitioned segment (JE : EK). It is given that this ratio is 1:4. Therefore:

m = 1 and n = 4

Finally, let's substitute with these variables in the equations as follows:

$x = (\frac{1}{1+4})(25-(-15)) + (-15) = -7\\\\y = (\frac{1}{1+4})(15-(-5)) + (-5) = -1$

Based on the above, the coordinates of point E are (-7, -1)

Hope this helps :)

8 0

4 years ago

Read 2 more answers

Find the value of x?? Please help!! <img src="https://tex.z-dn.net/?f=x%20%2B%202%20%3D%20%5Cfrac%7Bx%7D%7B4%7D%20%2B5" i

elena-s [515]

Answer:

Step-by-step explanation:

$x + 2 = \frac{x}{4} + 5$

Multiply through by 4 to eliminate the fraction

That's

$4x + 8 = \frac{x}{4} \times 5 + 5 \times 4 \\ 4x + 8 = x + 20$

Subtract x from each side

That's

$4x - x + 8 = x - x + 20 \\ 3x + 8 = 20$

Subtract 8 from each side

$3x + 8 - 8 = 20 - 8 \\ 3x = 12$

Divide both sides by 3

$\frac{3x}{3} = \frac{12}{3}$

We have the final answer as

Hope this helps you

3 0

3 years ago

A student creates a function, h(x), to model the path of a T-shirt

Radda [10]

HELP ME PLES

PERIOD, FREQUENCY OR AMPLITUDE

1. Doesn't change period

2. More of this means more energy

3. Increases as a pendulum swings back and forth faster

4. Measured in cycles per second

5. Measured in meters or centimeters

6. This is decreases with smaller swing

7. If the frequency increases, this decreases

8. Measured in Hertz

9. Measured in seconds

10. if it swings back and forth slower, this decrease

11. As it dampens, this decreases

5 0

3 years ago

Which is the first step needed to solve by substitution?

fredd [130]

$\begin{gathered} -x+y=-1 \\ 2x-y=3 \end{gathered}$

To solve the given system of equations for substitution you:

1. Solve in one of the equations a variable.

For the given options the one that is correct is solve the first equation for y, by adding x to both sides:

$\begin{gathered} -x+x+y=-1+x \\ y=-1+x \end{gathered}$

4 0

2 years ago

29.

Elis [28]

Answer:

Sum of their present ages = 20 years

Step-by-step explanation:

Present age :

Neha's age = x years

Reemas' age = x - 4

After 5 years:

Neha's age = (x +5) years

Reemas' age = (x - 4 + 5 ) = x + 1

Sum of the ages of Reema and Neha will be 30

Therefore,

x + 5 + x + 1 = 30

x + x + 5 + 1 = 30

2x + 6 = 30

2x = 30 - 6

2x = 24

x = 24/2

x = 12

Neha's age = 12 years

Reema's age = 12 - 4 = 8 years

Sum of their present ages = 12 + 8 = 20 years

4 0

3 years ago