📢 Shares

August 23, 2024

Discover why no two integers can be the same distance from the square root of 2. This math problem explores the concept of irrational numbers and distance, proving that integers and the square root of 2 cannot share equidistant points.

August 23, 2024

Discover the elegant solution to the Basel Problem, a mathematical puzzle that asks for the sum of the reciprocals of all squared integers. Learn how the infinite series 1/1² + 1/2² + 1/3² + ... surprisingly equals π²/6.

August 22, 2024

Discover how many times you need to roll a six-sided die and get a "6" before you can confidently declare the die is biased. Learn about the limitations of small sample sizes and the importance of statistical analysis in determining probability.

August 22, 2024

This math problem explores the additive identity property. The equation (-2 + 2) + (-2 + 2) + (-2 + 2)... = 0 is true because each set of parentheses simplifies to zero, and adding zero repeatedly results in zero.

August 22, 2024

Solve the weekend math challenge: What is 16 to the power of zero? The answer is 1, based on the rule that any number raised to the power of zero equals 1.

August 20, 2024

This math problem calculates the total cost of a box of 50 dental floss picks, priced at 2 yuan each. The solution reveals the total cost to be 100 yuan.

August 12, 2024

Find the derivative of the polynomial function f(x) = 3x³ - 2x² + x - 5. The solution, using the power rule of differentiation, is f'(x) = 9x² - 4x + 1.

August 10, 2024

This math problem involves calculating the latest time Jeff can leave his house to get to work on time, considering his commute from Bexleyheath to Bluewater, including walking times to and from bus stops. The solution requires analyzing a bus timetable and performing simple time calculations.

August 10, 2024

Find out how long it takes a train to travel from London St Pancras to Paris, departing at 0618 and arriving at 0947. The answer is 209 minutes.

August 10, 2024

Natalie drives from London to Sheffield, leaving at 9:15 am. After a 2.5-hour drive, she takes a 20-minute break and then drives for another 85 minutes. Find out what time Natalie arrives in Sheffield. Solution: Natalie arrives in Sheffield at 1:40 pm.

August 10, 2024

Find out what time a 98-minute film ends if it starts at 7:45 pm. The film finishes at 9:23 pm.

August 10, 2024

Find out what time Hayley arrived at her friend's house after leaving home at 10:40 am, walking 14 minutes to the shop, spending 10 minutes there, and then walking 22 minutes to her friend's house. Solution: Hayley arrived at her friend's house at 11:26 am.

August 10, 2024

Find the difference, in minutes, between 2 hours 25 minutes and 1 1/2 hours. The solution is 55 minutes.

August 10, 2024

Find the difference, in minutes, between 55 minutes and 1 3/4 hours. The answer is 50 minutes.

August 10, 2024

Learn how to convert hours to minutes with this simple example: 4 hours equals 240 minutes.

August 10, 2024

Convert 120 minutes to hours. Learn how to easily convert minutes to hours with this simple math problem and solution. The answer is 2 hours.

August 6, 2024

Find the coordinates of point C given that point A is at (1,1), line segment AB has a length of 2 units, and line segment BC has a length of 1 unit. The solution is (3, 2).

August 6, 2024

Find the coordinates of point A in square OCAB with an area of 9 square units, where point O is at the origin. The solution reveals that point A is located at (3, 3).

August 6, 2024

Find the midpoint (M) of line segment AB, given A(2,3) and B(7,3). The midpoint is calculated using the midpoint formula, resulting in M(4.5, 3).

August 5, 2024

This math problem asks to determine the number of real roots for the quadratic equation x² + 3x + 4 = 0. Using the discriminant, we find that the equation has no real roots.

August 4, 2024

Learn how to simplify the algebraic expression (6x + 1)(x^2 - 3x + 4) by using the distributive property and combining like terms. The simplified answer is 6x^3 - 17x^2 + 21x + 4.

August 4, 2024

Simplify the algebraic expression (5x² + 4xy - 3) - (6x² + 12xy - 4y² + 5). The solution is -x² - 8xy + 4y² - 8.

August 4, 2024

Find the value of 'u' in the equation t = √(u² + v²). The solution involves isolating 'u' by squaring both sides, rearranging terms, and taking the square root. The answer is u = ±√(t² - v²).

August 4, 2024

Solve the math problem: 1/3 + 2/5 + 1/4 + 11/15 - 13/6. The answer is -9/20.

August 4, 2024

Solve the math problem: 2 - (1 1/2 - 3/4). Find the solution and learn how to simplify mixed numbers and fractions with different denominators. The answer is 5/4 or 1 1/4.

August 4, 2024

Learn how to solve the division problem 1/10 divided by 1/4. Get the step-by-step solution and understand the concept of dividing fractions. The answer is 2/5.

August 4, 2024

Learn how to multiply fractions with this step-by-step solution for 5/3 x 6/5. The answer is 2.

August 4, 2024

Learn how to subtract fractions with different denominators. This example shows how to solve 4/5 - 3/10, resulting in the answer 1/2.

August 4, 2024

Learn how to add fractions with different denominators. This step-by-step solution shows how to find the least common denominator, rewrite the fractions, and add them to get the answer: 5/6.

August 4, 2024

Simplify the complex number expression 1/i + 1/(1+i) + 1/(1-i). The solution is 1 - i.

«»