Subjects

🧮 algebra

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Income Tax
1. **State the problem:** Mr Simba's monthly salary is 35000 and his wife's monthly salary is 23000. We need to find the total income tax they pay in one year based on the tax rate
Car Premium
1. We start with the initial value of the car, which is $1000000$. 2. The value of the car depreciates by $5\%$ every year, so the value at the end of each year can be calculated a
Simplification Radical
1. Énonçons le problème : calculer et simplifier l'expression $10\sqrt{7} + 9\sqrt{15} + 10\sqrt{7} + 9\sqrt{15}$. 2. Regroupons les termes semblables :
Developper Riducire
1. Le problème est de dÊvelopper et rÊduire l'expression $$(\sqrt{3} - 2)(\sqrt{3} - 2).$$ 2. On applique la formule de dÊveloppement pour le produit de deux binômes identiques : $
Sum Alternating
1. Ų…ØŗØĻŲ„Ų‡ ØąØ§ Ø´ØąØ­ Ų…ÛŒâ€ŒØ¯Ų‡ÛŒŲ…: Ø¯Ų†Ø¨Ø§Ų„Ų‡ $$5-10+15-20+25-30+\cdots+95-100$$ ØąØ§ Ų…ÛŒâ€ŒØŽŲˆØ§Ų‡ÛŒŲ… Ø­Ų„ ÚŠŲ†ÛŒŲ…. 2. Ø§ÛŒŲ† Ø¯Ų†Ø¨Ø§Ų„Ų‡ Ø´Ø§Ų…Ų„ ØŦŲ…Ų„Ø§ØĒ Ø˛ŲˆØŦ Ø§ØŗØĒ ÚŠŲ‡ Ø¨Ų‡ ØĩŲˆØąØĒ Ų…ØĢبØĒ ؈ Ų…Ų†ŲÛŒ Ø¨Ų‡ ØĒØąØĒیب ØĒÚŠØąØ§Øą Ų…ÛŒâ€ŒØ´ŲˆŲ†Ø¯.
Square Root
1. We are asked to simplify the expression \(\sqrt{x}\). 2. The square root function \(\sqrt{x}\) represents the principal (non-negative) number which when squared gives \(x\).
Series Sum
1. Stating the problem: Simplify the series $5 - 10 + 15 - 20 + 25 - 30 + \ldots + 95 - 100$. 2. Notice the pattern: the terms alternate between adding and subtracting multiples of
Square Product
1. State the problem: Simplify and calculate the value of the expression $$(0-6)^2(9-0)^2(5-12)^2$$. 2. Simplify inside the parentheses:
Simple Interest
1. āĻĒā§āϰāĻļā§āύāϟāĻŋ āĻšāϞ⧋: āĻŦāĻžāĻ°ā§āώāĻŋāĻ• āĻ•āϤ āĻšāĻžāϰ āϏ⧁āĻĻ⧇ āϕ⧋āύ āĻŽā§‚āϞāϧāύ ā§§ā§Ļ āĻŦāĻ›āϰ⧇āϰ āĻŽā§āύāĻžāĻĢāĻž āφāϏāϞ⧇ āϤāĻŋāύ āϗ⧁āĻŖ āĻšāĻŦ⧇? 2. āĻ…āĻ°ā§āĻĨāĻžā§Ž ā§§ā§Ļ āĻŦāĻ›āϰ⧇ āĻŽā§‚āϞāϧāύ $P$ āĻĨ⧇āϕ⧇ $3P$ āĻšāĻŦ⧇āĨ¤
Solve Rational Equation
1. **Stating the problem:** We need to solve the equation $$\frac{1200}{x} - \frac{1200}{x+2} = 20$$ and interpret the geometry of the rectangle with dimensions labeled as describe
Sum Difference
1. Stating the problem: Find two numbers $x$ and $y$ such that their sum is 12 and their difference is 4. 2. Write equations from the problem:
Percentage Calculation
1. āĻĒā§āϰāĻļā§āύāϟāĻŋ āĻšāϞ, "āωāĻ¤ā§āϤāϰ 20% āĻšāĻŦ⧇"āĨ¤ āĻ…āĻ°ā§āĻĨāĻžā§Ž, āφāĻŽāϰāĻž āϜāĻžāύāϤ⧇ āϚāĻžāχ āĻāĻ•āϟāĻŋ āϏāĻ‚āĻ–ā§āϝāĻžāϰ 20% āĻ•āϤ āĻšā§ŸāĨ¤ 2. āϕ⧋āύ⧋ āϏāĻ‚āĻ–ā§āϝāĻžāϰ 20% āĻĒāĻžāĻ“ā§ŸāĻž āϝāĻžā§Ÿ āϏāĻ‚āĻ–ā§āϝāĻž × 20/100 āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻ•āϰ⧇āĨ¤
Percent Value
1. āϏāĻŽāĻ¸ā§āϝāĻž: āĻŦā§āϝāĻŦāĻšāĻžāϰāĻ•āĻžāϰ⧀āϰ āϧāĻžāϰāĻŖāĻž āϝ⧇ āωāĻ¤ā§āϤāϰāϟāĻŋ 20% āĻšāĻŦ⧇ āϤāĻž āϝāĻžāϚāĻžāχ āĻ•āϰāĻžāĨ¤ 2. āϝāĻĻāĻŋ āϕ⧋āύāĻ“ āύāĻŋāĻ°ā§āĻĻāĻŋāĻˇā§āϟ āĻĒā§āϰāĻļā§āύ āĻŦāĻž āĻ—āĻŖāύāĻžāϰ āĻĒā§āϰāϏāĻ™ā§āĻ— āĻĨāĻžāϕ⧇, āϤāĻž āĻ¸ā§āĻĒāĻˇā§āϟ āĻ•āϰāϤ⧇ āĻšāĻŦ⧇āĨ¤
Compound Interest Rate
1. āĻĒā§āϰāĻļā§āύāϟāĻŋāϤ⧇ āĻŦāϞāĻž āĻšāϝāĻŧ⧇āϛ⧇, āĻāĻ•āϟāĻŋ āĻ…āĻ°ā§āĻĨ⧇āϰ āĻŦāĻžāĻ°ā§āώāĻŋāĻ• āϏ⧁āĻĻ⧇āϰ āĻšāĻžāϰ āĻ•āϤ āĻšāϞ⧇ ā§§ā§Ļ āĻŦāĻ›āϰ⧇ āϏ⧇āϟāĻžāϰ āĻŽāĻžāύ āϤāĻŋāύ āϗ⧁āĻŖ āĻšāϝāĻŧāĨ¤ 2. āĻāĻ–āĻžāύ⧇ āĻŽā§‚āϞāϧāύ $P$, āϏāĻŽāϝāĻŧ $t=10$ āĻŦāĻ›āϰ āĻāĻŦāĻ‚ āĻĒāϰāĻŋāĻŽāĻžāĻŖ $A=3P$ (ā§Š āϗ⧁āĻŖ) āĻ—āĻŖāύāĻž āĻ•āϰāϤ⧇ āĻšāĻŦ⧇ āĻŦāĻžāĻ°ā§āώāĻŋāĻ• āϏ⧁
Simplify Radical Division
1. The problem is to simplify the expression \( \frac{4}{\sqrt{5} - \sqrt{2} - \sqrt{6}} \).\n\n2. First, identify the denominator: \( \sqrt{5} - \sqrt{2} - \sqrt{6} \). The goal i
Simplify Fraction
1. The problem asks to simplify the expression $$\frac{\frac{y}{\sqrt{5}} - \sqrt{2} - \sqrt{6}}{\sqrt{5} - \sqrt{2} - \sqrt{6}}$$ and express it clearly. 2. First, rewrite the num
Cyclist Time
1. The problem states a cyclist travels 20 km at an average speed of $x$ km/h. 2. (a) The time taken for this journey is distance divided by speed, which is $$\frac{20}{x}$$ hours.
Simplification Racines
1. Énonçons le problème : Simplifier l'expression $$\frac{y}{\sqrt{y^{2}-16}} - \frac{x}{\sqrt{x^{2}-16}}$$ et comparer avec $$\frac{2y}{\sqrt{y^{2}-16}} - \frac{2x}{\sqrt{x^{2}-16
Logarithm Properties
1. **Problem a:** Write the scientific form of 0.006237 and find the characteristic of its logarithm. - First, write 0.006237 in scientific notation. Move the decimal 3 places righ
Solve Quadratics
1. Stating the problem: Solve the system:
Function Inverses
1. The problem states two functions. First, \( f(x) = \sqrt{x+1} - 1 \) with its inverse \( g(x) = x+1 \). 2. The domain of \( f \) is \( x \geq -1 \) because the expression under