🧮 algebra
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Sequence Pattern
1. **Problem Statement:** Find the pattern (rule) of the sequence: $\frac{4}{6}, \frac{12}{7}, 4, 2, -12, -\frac{28}{5}, -4, \ldots$
2. **Step 1: Simplify fractions where possible.
Exponent Laws
1. **Stating the problem:** You provided matching problems for laws of exponents and simplification exercises. We will verify your answers for correctness.
2. **Matching Column A t
Subset Sum
1. **State the problem:** We need to find a combination of the given numbers that add up to 6224.35.
2. **List the numbers:** 69.40, 4440.51, 208.27, 359.85, 2591.57, 360.00, 180.0
Rational Function Range
1. **Problem Statement:** We want to understand why for the function $$y = \frac{x^2 - 3x + 4}{x^2 + 3x + 4}$$ with real $x$, the discriminant condition $D \geq 0$ is used and why
Factorial Equation
1. The problem is to solve the equation $$\frac{x}{8!} + \frac{x}{9!} = \frac{1}{10!}$$ for $x$.
2. Recall the factorial values and the property that $n! = n \times (n-1)!$. Here,
Encadrement Expressions
1. **Énoncé du problème :**
Encadrer les expressions $$\frac{x+y}{x-y}$$ et $$x^2 - y^2$$ pour $$-\frac{3}{2} \leq x \leq -\frac{1}{2}$$ et $$\frac{5}{2} \leq y \leq \frac{7}{2}$$.
Proportion Numbers
1. **State the problem:** We have a list of numbers and want to proportion them according to percentages 35%, 15%, and 50%.
2. **Understand the percentages:** The percentages 35%,
Polinomial Soal
1. Polinomial adalah ekspresi matematika yang terdiri dari variabel dan koefisien yang dihubungkan dengan operasi penjumlahan, pengurangan, dan perkalian.
2. Contoh polinomial: $$3
Sequence Values
1. The problem is to find the values after 0, 1, 2, 3, 4, and 5 years for a given sequence or function.
2. Since the user did not specify the function or rule governing the sequenc
Tiger Population
1. We are given the formula for the tiger population after $t$ years: $$a = 4000 + 50 \sqrt{t}$$
2. The problem asks to find the population after 4 years, so we substitute $t=4$ in
Function Evaluation
1. **Problem statement:** Given functions $f(x) = -3x^2 + 1$ and $g(x) = 2^x - 4$, solve the following.
2. **Step 2.1: Determine $f(-3)$**
Machine Assembly Time
1. **State the problem:**
We know 8 machines can assemble 6 printers in 10 hours. We want to find how many hours 5 machines will take to assemble 12 printers.
Percentage Calculation
1. **Problem:** Calculate 22 (2/9) % of 1080.
2. **Formula:** To find a percentage of a number, use the formula:
Putere Ecuatia
1. Problema: Găsiți numărul natural $n$ pentru care $$8^n + 8^{n+1} = 36 \cdot 2^{2011}.$$
2. Formula și reguli importante:
Function Roots
1. **Stating the problem:** We are given a graph of a function and asked to find its three roots. Roots are the values of $x$ where the function crosses the $x$-axis, i.e., where $
Simplify Rational
1. **State the problem:** Simplify the expression $$\frac{\frac{10}{(s+1)(s+2)}}{1 + \frac{10}{(s+1)(s+2)} \cdot \frac{1}{2}}$$.
2. **Rewrite the expression:** The numerator is $$\
Three Roots
1. The problem states that there are 3 roots, which typically refers to the solutions of a cubic equation or a polynomial of degree 3.
2. The general form of a cubic equation is $$
Function Roots
1. **Problem Statement:** Find the roots of the function based on the given graph description.
2. **Understanding Roots:** Roots of a function are the values of $x$ where the funct
Equation 1 2X2
1. Énoncé du problème : Résoudre dans ℝ l'équation $$\frac{1}{2}x^2 - 5x - 12 = 0$$.
2. Formule utilisée : Pour résoudre une équation quadratique $$ax^2 + bx + c = 0$$, on utilise
Exponent Simplification
1. **State the problem:** Simplify the expression $6 x^5 y^3 \times x^2 y^7$ using the laws of exponents.
2. **Recall the laws of exponents:** When multiplying terms with the same
Logarithm Value
1. **State the problem:** We need to find the value of $x$ such that $\log x = 0.5109$.
2. **Recall the definition of logarithm:** The logarithm $\log x$ (common logarithm) means $