Equation + expression of a variable from the formula - practice problems
Number of problems found: 791
- Given
Given 2x =0.125, find the value of x - Calculate
Calculate the length of a side of the equilateral triangle with an area of 50cm². - Parametric equation
Find the parametric equation of a line with y-intercept (0,-4) and a slope of -2. - Diagonals 8397
Does a hexagon have 275 diagonals? - Consecutive 6402
The product of two consecutive natural numbers is 46 less than the product of the other two consecutive natural numbers in a row. Identify unknown numbers. - The midpoint
The midpoint of (2, 5) and (8, y) is (5, -1). Find the line equation in slope-intercept form. - Equation 23
Find the value of unknown x in the equation: x+3/x+1=5 (problem finding x) - Expression 3801
What is the value of x in the expression 8^x = 1/64 - Unknown var N
Five-eights of a number, N, is 50. What is the value of N? - Perimeter and diagonal
The perimeter of the rectangle is 82 m, and the length of its diagonal is 29 m. Find the dimensions of the rectangle. - Three members
If 2a+2+a =17, what is the value of a? - Evaluate complex eq
If z=x+yi and 3x+(3x-y)i=4-6i then z= - Three members AP
There are arithmetic sequence x + 3, 2x + 3, 5x - 3. If the common difference is 3, find x. - Solve 16
Solve for the value of the variables x: y:30=3:21 - Solve:
Solve: 2r²+7r-r²-9 - Reciprocal value
How do I calculate a number x that is nine greater than its reciprocal (1/x)? - Evaluation of expressions
If a²-3a+1=0, find (i)a²+1/a² (ii) a³+1/a³ - Difference AP 4
Calculate the difference of the AP if a1 = 0.5, a2 + a3 = -1.1 - Twice squared
If the square of twice a number is 81, what is the number? Give a positive number x. - The product 9
The product of the third and second terms of the arithmetic progression is 3000. If the common difference is 10, find the first term.
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