$\{(\boxed{2};\ 3);\ (1;\ 5);\ (\boxed{2};\ 7)\}-NO\\\\\{(-1;\ 5);\ (-2;\ 6);\ (-3;\ 7)\}-YES\\\\\{(\boxed{11};\ 9);\ (\boxed{11};\ 5);\ (9;\ 3)\}-NO\\\\\{(\boxed{3};\ 8);\ (0;\ 8);\ (\boxed{3};\ -2)\}-NO$

3 0

3 years ago

The Stock Market Alexander is a stockbroker. He earns 14% commission each week. Last week, he sold $4,500 worth of stocks. How m

AlexFokin [52]

Answer: last week he made $630

Step-by-step explanation:

14% of 4500 is 630

8 0

3 years ago

ABCD is a rectangle. If AC = 2x + 10 and BD = 56, find the value of x.

TEA [102]

9514 1404 393

Answer:

(b) 23

Step-by-step explanation:

The diagonals of a rectangle are the same length, so ...

AC = BD

2x +10 = 56

x +5 = 28 . . . . . divide by 2

x = 23 . . . . . . . . subtract 5

7 0

3 years ago

Which equation represents an inverse variation? y = 2x y = x/3 y =4/x y = –5x

Marizza181 [45]

First of all, you should know that:
direct variation:
y = c * x
Inverse variation:
y = c / x
where, c is any number that belongs to the real ones.
answer:
An equation that represents an inverse variation is
y = 4 / x

7 0

3 years ago