which of the following is a solution of the equation 43 = 21

Which of the following linear systems has the solution (20, 12)? => x + 5 y = 40 , -2 x + 3 y = -4 or - x + 5 y = 40 , -2 x + 3 y = -4 or 5 y = 40 , 2 x = -4 or None of the above..

Which of the following linear systems has the solution (14, 9)? => x + 3 y = - 13, 2 x + 3 y = -1 or - x + 3 y = 13, - 2 x + 3 y = -1 or 3 y = 13, 2 x = -1 or x + 3 y = 13, - 2 x + 3 y = -1..

Which of the following linear systems has the solution (0, 6)? => 2 x + 6 y = 36, x - 4 y = - 24 or 2 x + 6 y = 36, x + 4 y = - 24 or 2 x + 6 y = - 36, x + 4 y = 24 or - 2 x -6 y = 36, x - 4 y = - 24..

The equation x 2 + 143 = 43 has a solution in which set of numbers? => Integers or Irrational numbers or Complex numbers or Natural numbers..

Make the stem and leaf plot for the following list of data: 40, 41, 43, 46, 50, 53, 56, 63, 68 => Plot 3 or Plot 1 or Plot 2 or Plot 4..

Normality and Molarity are related as: ..

Various theories have been proposed to explain the mechanism of mineral salt absorption and can be placed under the following two categories: 1. Passive absorption 2. Active absorpti..

Question 11 - Question: Solve the following equation: Answer: 2y-15=180 2y=180+15 2y=1..

Alkalis react with aqueous solutions of salts producing the precipitates of the respective metals as hydroxides. These precipitates are usually colored. From the color and texture of the precipitate, it is possible to identify the metal ions present in the solution. In some case..

Solution of Right Angled Triangles - To solve a right angled triangle, we need to find out the unknown sides and the angles with the help of t-ratios. To find a side, usually we take such t-ratios that involve the unknown sides. In the figure, AB = 100 cm, find (i) x and (ii) ..