Basic operations and concepts - math word problems - page 130 of 332
Number of problems found: 6633
- Formula expression
1 / f = 1 / a + 1 / b express b - Number division
Divide the number 28 into two summands so that their product is maximal. - Proportion
Write the following proportion: Eight is to 64 as to 2 is to x - Unknown number
I think the number: Its half is 16 more than his quarter. I think the number is N. - Quadratic function 2
Which of the points belong to function f:y= 2x²- 3x + 1 : A(-2, 15) B (3,10) C (1,4) - Reciprocal equation
Determine the root of the equation: 9/x-7/x=1 - Simply equation Solve this equation for x: 9x-6(x-1)=5(x+2)-14
- Coordinate
Determine the unknown coordinate of the point M [x, 54] of the graph of the function f by rule: y = 3x - Three numbers
Using the digits 1–9, form three-digit numbers such that their sum is as small as possible. What is the value of this sum? (Use each digit exactly once.) - Geometric progression
Determine the ratio of the first and second GP members if q = -0.3 and a3 = 5.4. - Apples in Basket
There are 24 pieces of fruit in the basket. Apples are 2 times more than pears. How many apples are in the basket? - Number percentage more
The number 420 is 20% more than the unknown number. What is the unknown number? - Ratio equation solving
Find x in the ratio equation: 2:1 4/5=x:3/5 - GP - ratio
What is the common ratio of -8,40,-200,1000,-5000 (geometric sequence)? - Number percentage smaller
60 is 20% less than what number? - Graph move
When y=2x² has moved 2 units to the left and 3 units upward, what is the graph equation? - Conjugate equation
Find the numbers of a and b; if (a - bi) (3 + 5i) is the Conjugate of (-6 - 24i) - Unknown number
15% of the unknown number is 18, less than 21% of the same number. What is the unknown number? - Unknown number percentage
19% of the unknown number is 12, less than 23% of the same number. Specify an unknown number. - Expressions 3
If k(x+6)= 4x² + 20, what is k(10)=?
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