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Number of problems found: 210
- Substitute a number
I think the number is when you substitute it in the expression (x-2). (2x - 1), you get zero. What number can it be? - Powers
Express the expression (1000) ^ (21) * (10) ^ (101) * (10) ^ (145) as the n-th power of the base 10. - Fraction
For what x expression (x²-64)/(10x² -80x) equals zero? - Factors
Can the expression 4x ² -47.6x +39.6 be factored into rational factors? - Expression
If it is true that (p + 9 m)/(m) = -19, then the value of the expression (13 p)/(11 m) is: - Faucets
A large tank is partially filled with a solution. The tank has a faucet that allows the solution to enter the tank at a rate of 16 3/4 liters per minute. The tank also has a drain that allows the solution to leave the tank at a rate of 19 4/5 liters per m - Log
Calculate the value of expression log |-10 -2i +7i²| . - Value
Find the value of the expression: 6!·10-3 - Goat and circles
What is the radius of a circle centered on the other circle, and is the intersection of the two circles equal to half the area of the first circle? This task is the mathematical expression of the role of agriculture. The farmer has circular land on which - Fencing
Ruby is purchasing fencing to go around a rectangular lot which is 4x + 9 feet long and 3x - 5 feet wide. Which expression represents the amount of fencing she must buy? - Expressions
Expression (3a-7).(3a+7) is identical with: ... - Expression 1
What is 7+8-(5×2)+5-4+(6×(5-3)+6)-(8+10)-7+6? - Expression with powers
Which expression is equivalent to 2.1 raised to the fifth power divided by 0.9 raised to the fourth power, all raised to the third power? - With bracket
Calculate (evaluate) a simple mathematical expression with negative numbers and a bracket: 13+15*5-2*(-6) - Brackets
Place one pair of brackets in the expression 20-16 + 10 - 4 - 2 so that the result will be 0. - Expression value
Find the value of the expression: (12 - [- 3]) · (44:11) - Expression values
Determine the values of the following expressions: a) 3² - (- 4) b) 4-321 c) -32-7 - Expression calculations
Calculate: a / 2 + 3 * 4 - 5 * 4 + 3 b / 2 + 3 * (4 - 5) * (4 + 3) c / 2 + [3 * 4 - (5 * 4 + 3)] d / {2 + [3 * (4 - 5)] * 4} + 3 e / 2 + {3 * [4 - 5 * (4 + 3)]} - Bracket placement
Add to expression 1 + 2x3 - 4x5:6 a / one pair of brackets so that the result is as large as possible b / one pair of brackets so that the result is as small as possible - Expression equals 100
Write any numeric expression whose value is 100 and will contain at least four different mathematical operations.
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