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konstantin123 [22]
3 years ago
6

One-step inequalities: −4x<−30 i need help. Please explain, too.

Mathematics
1 answer:
Iteru [2.4K]3 years ago
4 0
-4x \ \textless \ - 30 \\ \\ x \ \textgreater \ \frac{30}{4} \ / \ divide \ by \ -4 \\ \\ x \ \textgreater \ \frac{15}{2} \ / \ simplify \\ \\

The answer is: x > 15/2 or x > 7.5.
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To find the linear scale factor, let find the cubic root of the numerator & the denominator:

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So the linear scale is 11/9 ==> then the ratio of their surface area will be:

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