simultaneous equations with three variables and three equations

Identify the variable expression for the word phrase, "The difference between k and 3 5 is equal to 2". => k + 3 5 = 2 or 3 5 k = 2 or 3 5 - 2 k = 2 or k - 3 5 = 2..

Find the value of the variable k ? [Given a = 1.3, b = 2.3 and c = 9.2 units each.] => 8.20 units or 5.20 units or 7.20 units or 9.20 units..

Which of the following equations would you use to isolate the variable? - x + y = 4 [Equation 1] 3 x - 6 y = -15 [Equation 2] => Equation 1 or Equation 1 or Equation 2 or Equation 2 or None of the above..

Choose the equation wherein you would isolate a variable easily so that substitution method can be used to solve the linear system. - x + y = 4 [Equation 1] 3 x - 6 y = -15 [Equation 2] => Neither Equation 1 nor Equation 2 or ..

Which of the following statement(s) is/are true? I. A multiple regression correlation R can also be computed to determine if a significant relationship exists between the variables. II. Multiple regression analysis is used when there are two or more independent variables contrib..

Solve the equation 5 h - 8 b 3 n = 14 e for n , and indicate any restrictions on the values of the variables. => n = 5 h - 8 b 4 2 e , e ≠ 0 or n = 4 2 5 h + 8 b + e , h + b + e ≠ 0 or n = 5 h + 8 b 4 2 or n = 5 h + 4 2..

A random sample of the assets (in millions of dollars) of 10 families of a colony is shown. Find the 80% confidence interval for the variance of the assets. Assume that the variable is normally distributed. 0.5 1 0.4 1.3 0.8 1.2 0.9 2 0.7 1.5 => between 0.158 and 0.529 or betwee..

For what values of the variable is the expression 3 a - 1 2 a 2 - 7 a undefined? => a = 7 only or a = 3 or a = 0 only or a = 0, 7..

Solve 2 z + 11 e = 1 3 h c for z and indicate any restrictions on the values of the variables. => z = 1 2 ( 1 3 h c - 11 e ), c ≠ 0 or z = 1 1 e 1 3 h c , h ≠ 0, c ≠ 0 or z = 2(11 e + 1 3 h c ), c ≠ 0 or None of the above..

Write a variable expression for the word phrase. Sum of three times radius r and circumference p of a circle is less than 100. => r + 3 p < 100 or 3 r + p < 100 or r + p < 100 or 3 r + 3 p < 100..