Answer: k = 15
<u>Step-by-step explanation:</u>
60 times some number k must be a perfect square.
Factor 60 to see which values do not have a pair:
60 = 2 · 2 · 3 · 5 --> 60 =<u> 2 · 2</u> · 3 · 5
↓
3 · 5 are not pairs
So, you need to multiply 60 by 15 to make a perfect square
60 × 15 = 900 →
Answer:
F ) √ 9/64
Step-by-step explanation:
√ 9/64 simplifies into 3/8, which is a rational number
-6 = 2/9 x
2/9x = -6
x = (-6)×9/2
= -27