simultaneous equations with three variables and three equations

Which of the following choices is the coefficient of the variable x in the equation, 7 x - 4 = 3? => 7 or 8 or 10 or 12..

The following data represent clotting times (mins) from three subjects treated in three different ways. The plasma samples were allocated randomly to the treatments and the analysis was repeated three times for each sample. Write the levels of (i) first, (ii) second variable and the degre..

Which among the following statement(s) is/are correct? I. An outlier is an extremely high or an extremely low data value when compared with the rest of the data values. II. The mean and standard deviation of a variable are not affected by an outlier. III. The interquartile range is define..

Five different methods of analysis are used to determine in parts per million the amount of a certain constituent in a sample. Three analysts use each method two times and the results are given below. Write the levels of (i) first, (ii) second variable and the degrees of freedom for the (..

Solve the formula V = 1 3 π r 2 h for the variable h . Indicate any restrictions on the values of the variables. => h = 2 π r V 3 , r ≠ 0 or h = 3 V π r 2 , r ≠0 or h = V 3 π r 2 , r ≠ 0 or h = 3 + r 2 π V..

For what values of the variables is the expression - 3 z 2 5 y 3 a 3 undefined? => y = 0, a = 0 or y = 1, z = 0 or y = 0, a = 2 or z = 0..

Choose an algebraic sentence for "The cube of the quantity nine less than a number is equal to 64". Use a as the variable. => 3( a - 9) = 64 or ( a - 9) 3 = 64 or 3 a - 9 = 64 or a 3 - 9 = 64..

Write the variable part of the term having a coefficient of 4096. in the expansion (4 g - h ) 6 . => x 5 y or x 6 or y 6 or x 3 y 3..

Which of the following variable expressions satisfies the table? x ? 3 6 5 8 6 9 10 13 => x - 3 or x + 3 or 4 x + 3 or 3 - x..

Determine the relationship between the variables X and Y. X Y 0 0 1 0.5 2 0.7 3 0.9 4 1 => negative relationship or no relationship or curvilinear relationship or positive relationship..