Use these equations to convert between the two systems. $C = \frac { 5 } { 9 } ( F - 32 ) \quad F = \frac { 9 } { 5 } C + 32$ Round answer to the nearest tenth of a degree if necessary.
-A square plywood platform has a perimeter which is 7 times the length of a side, decreased by 18. Find the length of a side.
A) 9
B) 1
C) 6
D) 3

Question

Quizplus · Accepted Answer

Let the length of a side of the square be $x$. The perimeter of a square is $4x$. According to the problem, $4x = 7x - 18$. Solving for $x$, we get $3x = 18$, so $x = 6$.

Use These Equations to Convert Between the Two Systems C=59(F−32)F=95C+32C = \frac { 5 } { 9 } ( F - 32 ) \quad F = \frac { 9 } { 5 } C + 32C=95​(F−32)F=59​C+32

Use These Equations to Convert Between the Two Systems $C = \frac { 5 } { 9 } ( F - 32 ) \quad F = \frac { 9 } { 5 } C + 32$