🧮 algebra

1. **Stating the problem:** We need to solve the equation for the first question asked (since no explicit question was given, we assume a generic algebraic problem). 2. **Formula a

1. Soal 27: Diketahui harga 3 buku tulis dan 2 pensil adalah 25000, serta harga 2 buku tulis dan 4 pensil adalah 20000. Misalkan $p$ adalah harga 1 buku tulis dan $q$ harga 1 pensi

1. Mari kita selesaikan sistem pertidaksamaan linear pertama: $$\left\{\begin{array}{l} x + 2y \leq 6 \\ 3x + y \geq 6 \\ x \geq 0 \\ y \geq 0 \end{array}\right.$$

1. Soal 27: Diberikan harga 3 buku tulis dan 2 pensil adalah 25000, dan harga 2 buku tulis dan 4 pensil adalah 20000. Misalkan $p$ adalah harga 1 buku tulis dan $q$ harga 1 pensil.

1. Let's start by understanding the problem you have. Since you mentioned your question is correct but want an easy explanation, I'll guide you through a typical approach to solvin

1. El problema es entender y aplicar los conceptos básicos de conjuntos de números, operaciones con números reales, productos notables, factorización y potenciación. 2. Primero, de

1. The first problem is to simplify the expression $$A = \sqrt{72} + \sqrt{50} - 2\sqrt{18}$$. 2. Recall the rule for simplifying square roots: $$\sqrt{a \times b} = \sqrt{a} \time

1. **Stating the problem:** We want to learn how to convert recurring decimals into fractions and vice versa. 2. **Converting recurring decimals to fractions:**

1. **Problem statement:** Simplify the expression $$A = \sqrt{72} + \sqrt{50} - 2 \sqrt{18}$$. 2. **Recall the rule:** The square root of a product can be written as the product of

1. The problem involves evaluating and simplifying given expressions and understanding the function $y = \frac{7}{5}$. 2. First, evaluate $q(15) = 30 - 9$. Simplify: $$q(15) = 21$$

1. **Solve** $2 \log_3(4x + 5) - \log_3(x + 3) = 2$. Step 1: State the problem.

1. **Problem Statement:** (i) Prove the sum of the first $n$ terms $S_n$ of a geometric series with first term $a$ and common ratio $r$ is given by

1. The user asked for all questions in exercise 1.1 of class 12 math, but I will solve only the first question as per instructions. 2. Since the exact questions are not provided, I

1. The problem states that the area of Fairuz's land is 3600 m², and the land is rectangular with sides $x$ meters and $(2x + 10)$ meters. 2. The area formula for a rectangle is:

1. **State the problem:** Evaluate the function $f(x) = 0.3x$ at $x = 1.5$. 2. **Formula:** The function is given by $f(x) = 0.3x$. To find the value at a specific $x$, substitute

1. The problem asks which scoring criterion has the highest percentage in the beauty pageant final night scoring. 2. The percentages given are:

1. **State the problem:** We need to find the value of the composite function $(f \circ g)(-3)$, which means $f(g(-3))$. 2. **Recall the definitions:**

1. The problem asks us to determine if the given mapping from inputs to outputs is a function and if it is invertible. 2. A function is a relation where each input corresponds to e

1. **State the problem:** Mr. Shi Zu borrowed 90780 and paid 750 interest after 2 months. We need to find the interest rate.

1. **Stating the problem:** We want to find the nth term of the sequence 3, 6, 7, 9. 2. **Observing the sequence:** The terms are 3, 6, 7, 9. Let's look at the differences between

1. **State the problem:** Simplify the expression $a^3 - b^3$. 2. **Recall the formula:** The difference of cubes can be factored using the identity: