Mathematics, 22.11.2019 23:31 bqg464

What is the length of the line segment with endpoints (7,-1) and (-3,5)?

a. 64
b. 2√34 this is has line on top of the 34
c. 136
d. 8

What is the length of the line segment with endpoints (7,-1) and (-3,5)? a. 64 b

Answers: 1

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Answer from: CaptainCc

Formula to find the length of two endpoints: $\sqrt{(x^2-x^1)^2+(y^2-y^1)^2}$

Now, solve with the given endpoints.

$\sqrt{(x^2-x^1)^2+(y^2-y^1)^2} \\\sqrt{(-3-7)^2+(5-(-1))^2} \\\sqrt{(-10)^2 + (6)^2} \\ \sqrt{100+36}\\\sqrt{136}$

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Now, simplify using what we know about radicals.

Solution in picture.

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The length between the endpoints is 2√34 (Option B)

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Best Regards,

Wolfyy :)

What is the length of the line segment with endpoints (7,-1) and (-3,5)? a. 64 b. 2√34 this is has

Answer from: Quest

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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step-by-step explanation:

Answer from: Quest

when rotating a figure 180 degrees, imagine that you are able to take the figure and turn it clockwise or counterclockwise around a center point. to rotate a figure 180 degrees, you will need to apply the rule (x, y) → (-x, -y). start by using a coordinate grid with coordinates for each vertex of the figure. the center point of the coordinate grid is located at (0, 0), which is what you will rotate the figure around. write down the original coordinates of the shape you are going to rotate. then, apply the rule. for example, coordinate (1, 2) becomes (-1, -2). another example would be, coordinate (-4, -2) becoming (4, 2). after you change each original coordinate to the rotated coordinate, you will draw your new figure.

step-by-step explanation:

Identify the transformation that maps the figure with center (7, 1) onto itself. a) rotate 180° cloc

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