Assignment:
Solve the problem using algebra.
Q1. Find the Celsius temperature(to the nearest degree when Fahrenheit temperature is 9 degrees by solving the equation 59= 9/5 C +32, where F is the Fahrenheit temperature (in degrees and C is the Celsius temperature.
Q2. A square plywood platform has a perimeter which is 7 times the length of a side , decreased by 12. Find the length of a side.
Solve the formula for the specified variable.
Q3. I =nE /nr+R , for n
Q4. Let x represent the number. Use the given conditions to write an equation. Solve the equation and find the number.
a. Seven times the difference of 7 and a number gives 70. find the number.
b. Ten less than three times a number is the same as five times the number. Find the number.
Provide complete and step by step solution for the question and show calculations and use formulas.