Consider the enlargement of the rectangle.
rectangle
use the proportion to find the missing dimension of the original rectangle.
1. set up the proportion:
2. use cross products: 12(x) = 20(3
5
)
3. simplify:
12x =
4. divide:
x =

It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k

What is the inverse of f(x) = 6x -24

Without any equipment, you can see stars that are 2{,}800{,}0002,800,0002, comma, 800, comma, 000 light-years away. by looking through a small telescope, you can see stars that are 3{,}112{,}000{,}0003,112,000,0003, comma, 112, comma, 000, comma, 000 light-years away. approximately how many times as far can you see using a small telescope as without any equipment?