Bibliothèque de solutions

This math problem involves finding the values of x and y in a triangle with angles expressed as algebraic expressions. The solution involves setting up equations based on the angle sum property of triangles and straight lines, and solving for x and y. The solution is x = 30 and y = 100.

This math problem involves solving for the ratio A/P given the equation (A+P)/(A-P) = 9/2. The solution involves cross-multiplication, rearranging terms, and expressing A in terms of P to find the value of A/P, which is 11/7.

Learn how to solve the definite integral of 1/x * (x/(1-x)) from 0 to 1. This step-by-step guide demonstrates simplifying the integrand, applying integration rules, and evaluating the limits to reveal the integral diverges to positive infinity.

This math problem asks you to add four mixed numbers: 15 2/7 + 23 3/4 + 7 5/7 + 5 1/4. The solution involves finding a common denominator, converting the mixed numbers to improper fractions, adding the fractions, and simplifying the result. The answer is 52.

This problem involves solving for the value of P in the equation 125^(3P-4) = √5. The solution involves simplifying both sides of the equation, expressing them with the same base, and then equating the exponents to solve for P. The final answer is P = 25/18.

This math problem asks to solve for the value of T² + M, given the equations T + M = 6 and T - M = 2. The solution involves solving for T and M using the first two equations and then substituting the values into the third equation to find the answer: T² + M = 18.

This problem solves the equation 2^(x+1) - 3^x = 0 for x using logarithmic properties. The solution is x = 1 / (log₂(3) - 1), which is approximately 2.7095.

Solve the math problem 13 - 2 × 3! and find the answer. The solution is 1.

Solve for the value of √x + 1/√x given that x = 7 + 4√3. The solution reveals a surprising simplification, resulting in an answer of 4.

Solve the math problem 60 ÷ 6 x 2. The answer is 20.

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.

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.

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.

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.

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.

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

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.

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

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

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

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.

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).

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).

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).

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.

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.

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

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).

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

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.