Ismael made a scaled copy of the following quadrilateral. He used a scale factor less than 111. What could be the length of the side that corresponds with AD, on the scaled copy of the quadrilateral?
a) 1/5 units.
b) 4 units.
c) 15.5 units.
d) 24 units.
e) 18 units.

a) 1/5 units.

b) 4 units.

Step-by-step explanation:

The picture of the question in the attached figure

we know that

If a the scale factor is less than 1 then the image is smaller than its original figure.

In this problem

The scale factor is less than 1

That means ----> The copy of the quadrilateral ABCD ls less than the original figure

To find out the length of the corresponding sides of the copy, multiply the length of the corresponding sides of the original figure by the scale factor.

Let

z ---> the scale factor

we have

---> see the picture

so

therefore

The length of the side that corresponds with AD, could be 1/5 units or 4 units

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: