🧮 algebra

1. **State the problem:** Simplify the expression $\frac{2x - 5y}{6}$. 2. **Formula and rules:** When you have a fraction with a sum or difference in the numerator, you can write i

1. **State the problem:** Simplify the expression $\frac{-2x - 5y}{6}$. 2. **Formula and rules:** When you have a fraction with a sum or difference in the numerator, you can write

1. **State the problem:** Solve for $y$ in the equation $125 + 548 - 321 + y = 999$. 2. **Combine like terms:** First, add and subtract the constants on the left side.

1. The problem is to solve the system of inequalities: $$3x + 5 < 20$$

1. **Énoncé du problème :** Nous devons démontrer deux identités utilisant la somme des coefficients binomiaux :

1. **Simplify** $\frac{4}{p-3} - \frac{1}{p+2}$. 2. To subtract these fractions, find a common denominator: $(p-3)(p+2)$.

1. Problem 1: One complex solution to $f(x)=x^2+2x+5$ is $w_1=-1+2i$ and we must determine the other solution $w_2$ and state the relationship between $w_1$ and $w_2$.\n2. Formula:

1. The problem asks for the length of the frame shown on the number line, expressed as both a mixed number and an improper fraction. 2. The frame extends from 1 to 5 on the number

1. **State the problem:** We have four products A, B, C, and D with different production costs and quantities. The total number of items produced is 173,340. We want to find the pe

1. **State the problem:** We have 100,000 picture frames divided into four types: Wooden, Metal, Stone, and Plastic. 2. **Define variables:** Let $P$ be the number of Plastic Frame

1. **Problem Statement:** Prove using mathematical induction that for any integer $n \geq 1$, $11^n - 6$ is divisible by 5.

1. **State the problem:** We need to find England's expected population size in 2012, given that it grows by a factor of 1.5 compared to 2011 and that in 2012 it is 12 times bigger

1. **Problem:** Solve the quadratic equation $$-x + (m + 1) x^2 - 4m = 0$$ 2. **Formula:** The general quadratic equation is $$ax^2 + bx + c = 0$$ and its solutions are given by th

1. **Problem Statement:** Calculate in percent how many more unemployed people are in Spain compared to France in 2011.

1. **Simplifier les radicaux suivants :** a) Simplifier $\sqrt[3]{\frac{18}{a} b^7}$

1. **Problem:** The product of three numbers is 3876. Two of the numbers are 17 and 19. Find the third number. 2. **Formula:** If the product of three numbers $a$, $b$, and $c$ is

1. **State the problem:** Sana cleaned $\frac{1}{4}$ of her house, and her sister cleaned $\frac{1}{5}$ of the remaining part. We need to find the ratio of the clean part to the un

1. The problem is not fully stated. Please provide the full details of Exercise 7 so I can assist you properly.

1. **Problem 6:** At a certain school, \(\frac{1}{4}\) of the teachers are women. Find the ratio of the number of male teachers to female teachers. - Total teachers = 1 (consider a

1. **State the problem:** We are given the function $f(t) = t^4 - 4t^2 + 11$ and want to analyze or simplify it. 2. **Formula and rules:** This is a polynomial function. We can try

1. **State the problem:** Solve the equation $\log_2 x + \log_4 x + \log_8 x = \frac{22}{3}$.\n\n2. **Recall the change of base formula:** For any logarithm, $\log_a b = \frac{\log