$xy=18\\
\dfrac{x}{y}=2\\\\
xy=18\\
x=2y\\\\
2y\cdot y=18\\
2y^2=18\\
y^2=9\\
y=-3 \vee y=3\\\\
x=2\cdot (-3) \vee x=2\cdot 3\\
x=-6 \vee x=6\\\\
\boxed{(x,y)=\{(-6,-3),(6,3)\}}$

4 0

3 years ago

You build and sell toy cars for $36 each. So far, you have built 25 toy cars. How many more toy cars will you have to build and

vovikov84 [41]

You need to build 20 more toy cars

8 0

3 years ago

Read 2 more answers

The slope of the line passing through the points (-6,3)and(-6,39) is

8_murik_8 [283]

Hmm, the slope is undefined. But like what exactly are you looking for as an answer?

4 0

3 years ago

Read 2 more answers

Round 1235.5 to the nearest tenths​

Round 1235.5 to the nearest tenths