🧮 algebra
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Product Standard Form
1. **State the problem:** Calculate the product $1.827 \times 10 \times 9000 \times 6$ and express the answer in standard form.
2. **Calculate step-by-step:**
Price Reduction
1. The problem states that a television originally costs 550 and the price is reduced by 4%. We need to find the new price after the reduction.
2. Calculate the amount of the reduc
Total With Vat
1. **State the problem:** Trevor bought two items priced at 800 and 400 respectively, and he paid 12.5% VAT on the total price. We need to find the total amount Trevor paid includi
Field Length
1. **State the problem:** We have a rectangular field with width 35 m. Around the field, 15 poles each 5 m wide are placed 7 m apart. We need to find the length of the field.
2. **
Decimal To Fraction
1. The problem asks to write the repeating decimal $0.146\overline{0}$ as a fraction in simplest form.
2. Note that $0.146\overline{0}$ means the decimal $0.146000\ldots$ where the
Sweets Heaps
1. **State the problem:** Anna Lee has 3 bags of sweets with quantities 145, 206, and 167.
2. **Find the total number of sweets:**
Standard Form
1. The problem asks to work out the expressions and give each answer in standard form.
(a) Evaluate $2 \times 1.10^8 \times 10^{101}$.
Expression Simplification
1. We are given the expression $$E = 2x + \frac{3x + 7}{x + 4}$$ with the domain $$x \in [1, 5[.$$\n\n2. The problem is to understand and simplify the expression for values of $$x$
Expression Simplification
1. We are given the expression $$E = 2x + \frac{3x + 7}{x + 4}$$ with the domain $$x \in [1, 5[.$$\n\n2. First, understand the problem: we want to simplify or analyze the expressio
Line Equations
1. **Problem Statement:**
Find the gradient and equation of the line passing through points A(2,3) and B(9,4), then find the equation of a line parallel to it passing through C(4,5
Check Answers
1. **Problem:** Solve the equation $2x+3=11$.
2. **Goal:** Isolate $x$ by undoing operations in reverse order.
Solve Linear Equation
1. **State the problem:** Solve the equation $-x + \frac{3y}{2} = 10 - 2x$ for $y$ in terms of $x$.
2. **Rewrite the equation:**
Walking Bus Seats Cost
1. **Problem 1:** Beth walks 4 km to the station at 6 km/h and wants to catch the 0924 bus. Find the latest time she can leave home.
2. Calculate the time taken to walk 4 km at 6 k
Car Value Decay
1. **State the problem:**
We are given a linear relationship between $t$ and $\log_4 V$ for $t \geq 0$ with the line $l$ passing through $(0, \log_4 40000)$ and having gradient $-\
Bus Timetable
1. The problem states that all buses take the same time to travel from the station to the city centre.
2. We are given the departure times from the station: 09:24 and 11:06.
Slope Intercept Form
1. Problem: Convert each given linear equation to slope-intercept form $y = mx + b$ and interpret the slope and intercept.
2. For $11\ 2x = \frac{5x - 2y}{4}$:
Series Expansion
1. **Problem statement:**
(b) Express $ (2 + x)^{-1} $ in the form $ A(1 + Bx)^{-1} $ where $ A $ and $ B $ are rational numbers.
Slope Intercept
1. Given equation: $3x - 2y = 15$
Rewrite in slope-intercept form $y = mx + b$:
Solve Linear
1. Stating the problem: Solve the equation $X + \frac{2y}{2} = -6$ for $X$ in terms of $y$.
2. Simplify the fraction: $\frac{2y}{2} = y$.
Line Equation
1. The problem asks for the equation of a line with gradient $\frac{2}{5}$ and y-intercept at $(0, -5)$ in the form $ax + by = c$ where $a$, $b$, and $c$ are integers in lowest ter
Car Value Decay
1. **Problem statement:** The value of a car $V$ is modeled by $V = ab^t$, where $a$ and $b$ are constants and $t$ is the number of years since purchase. The line $l$ shows the lin