Your ratio of miniDVD to standard DVD is 2/7
Need more points and I will tell you the answer
Answer:
385-13x
Step-by-step explanation:
that is my answer
Answer:

Step-by-step explanation:
From the question we are told that:
Angle of F 
Length of 
Length of 
Generally the equation for Angle D
is mathematically given by
Since
.The triangle is a right angle Triangle
Therefore




This is not the best question I've ever seen. The wording is the problem, and it's not your fault. The melting point of Krypton is about - 160 oC. It means that numerically the melting point of Krypton is 4 times lower than that of mercury.
Krypton = 4*M
M = - 39
Krypton = 4*-39
Krypton = - 156o C
Now you want to make it something like K(1/4) = - 39 which would be fine. You can't use - 1/4. If you do, your answer will come out to be + 156 which is not what you mean. If this was a multiple choice question, your answer would be the second best one.