Basic operations and concepts - math word problems - page 175 of 323
Number of problems found: 6446
- Equation
Equation f(x) = 0 has roots x1 = 25, x2 = 64, x3 = 9. How many roots have equation f(x²) = 0? - Ratio calculation puzzle
Determine x in the ratio: 200:6 = x: 400 - Function inverse square
The inverse function to the function f(x) = √(x-3) for x ≥ 3 is the function: - Equation value
Determine the value of x in this equation: (0.125^x) · 104 = 5000 - Classroom
In a classroom are 30 students, and boys are four times more than girls. How many boys are in the class? - How many
How many double-digit numbers divided by nine give the rest of the seven? - Classroom 3
How many children are in the classroom, where 13 children are higher than Lenka and nine children lower than Lenka? - Mom and daughter
Mom is 21 years older than the daughter. What is the age difference between them in 32 years? - Divisibility
Determine all divisors of a number 91. - Drawing Scale Ratio Board
I have a board measuring 3.2 m x 1.23 m, and I need to draw it in A3 format. It is 42 cm x 29.7 cm. How do I find out the ratio for drawing the board? I will also ask for the procedure. - Powers 3
2 to the power of n divided by 4 to the power of -3 equals 4. What is the value of n? - Inflation
What is better for people (employees)? ... - Megapizza
Mega pizza will be divided among 100 people. First gets 1%, 2nd 2% of the remainder, 3rd 3% of the remainder, etc. Last 100th 100% of the remainder. Which person got the biggest portion? - Exponential equation solving
Solve the exponential equation: 8 raised to x = 40 - HP - harmonic progression
Determine the 8th term of the harmonic progression 2, 4/3, 1,… - Number calculation
Specify a number that is 61% less than 10². - Exponent value What is the value of x in the expression 8^x = 1/64
- Logarithmic equation
Solve equation: log13(7x + 12) = 0 - Natural fertilizer
The gardener fertilized the rectangular garden measuring 120m and 60m with 16kg of natural fertilizer. Natural fertilizer contains 45% organic matter. How much organic matter falls on 1 m² of the garden? - Flower perimeter
Peter drew a regular hexagon, the vertices of which lay on a circle 16 cm long. Then, for each vertex of this hexagon, he drew a circle centered on that vertex that ran through its two adjacent vertices. The unit was created as in the picture. Find the ci
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