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

4 0

3 years ago

Reduce reduce 36% to its lowest term

AVprozaik [17]

Answer:

9/25

Step-by-step explanation:

36% = 36/100 = 18/50 = 9/25

7 0

1 year ago

Read 2 more answers

Use benchmarks to estimate the sum of 9 1/16 +3 1/16

Leno4ka [110]

12 and 1/8, I just simplified 2/16 to 1/8

5 0

2 years ago

Read 2 more answers

1. Are these expressions equal (=) or not equal<br> 3 (3+4) ________ 3

galina1969 [7]

Answer:

Not equal so b

Step-by-step explanation:

3(3+4)=21 3³=27

8 0

1 year ago

Read 2 more answers