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

4 0

4 years ago

Can someone help me calculate the area of this object?

nekit [7.7K]

Answer: 272.9 cm^2

How to:

25 * 8 = 200

9 * 8.1 = 72.9

Add the areas of the two rectangles

200 + 72.9 = 272.9 cm^2

7 0

2 years ago

Oceanside Bike rental shop charges 11 dollars plus 8 dollars an hour for renting a bike Tom paid 51 dollars to rent a bike how m

Vlad1618 [11]

he paid for 5 hours take

51.00-11.00 = 40.00 left

8/40= 5

so he paid for 5 hours

5 0

4 years ago

Read 2 more answers

Which number is the same distance as 10 from 0 on number line

mote1985 [20]

Answer:

-10

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers