The correct answer is: $81.65\text{ kg}$ Explanation You convert pounds to kilograms using the exact factor $1\text{ lb}=0.45359237\text{ kg}$. Multiplying gives the precise result, then round to a practical number of significant digits. Steps: Conversion factor: $1\text{ lb}=0.45359237\text{ kg}$ Multiply: $$180\times0.45359237=81.6466266\text{ kg}$$ Round to two decimal places: $$81.6466266\text{ kg}\approx81.65\text{ kg}$$ Therefore, 180 pounds is about $81.65\text{ kg}$ (exactly $81.6466266\text{ kg}$).

What is the quotient in polynomial form?

Concepts synthetic division, polynomial division, linear divisor, coefficients Explanation This problem asks you to use synthetic division to divide a linear factor into a polynomial. The setup given corresponds to dividing a degree 1 polynomial by (x−2). The coefficients 7 and −18 stand for 7x−18. Step-By-Step Solution Step 1 Set up the synthetic division. The number on the left (2) is the value to use for the synthetic division, representing x=2 Coefficients: 7 (for x), −18 (constant) Carry down the first coefficient: | 2 | 7 -18 Carry down 7: | 2 | 7 -18 | | 14 | 7 -4 Step 2 Multiply the carried down 7 by 2: 7×2=14 Write 14 under −18 Step 3 Add −18+14=−4 So the bottom row of synthetic division is 7 and −4 Step 4 Interpret the result: The quotient corresponds to 7 (constant, since original polynomial was 7x−18, a degree 1 polynomial) −4 is the remainder. So, x−27x−18=7, remainder −4 Or, in polynomial form: 7x−18=(x−2)⋅7+(−4) Quotient in polynomial form: 7 with a remainder of −4 Final Answer Quotient: 7 Remainder: −4 In polynomial form: 7with remainder −4

Which equation represents a linear function?

Concepts Linear functions, degree of a polynomial, identifying linear equations. Explanation A linear function is a function that can be written in the form: y=mx+b where m and b are constants, and x is the variable. The key characteristic of a linear function is that the highest power of x (the degree of the polynomial) is 1. Let us analyze each option: y=x3: The highest power of x is 3, so this is not a linear function. y=−3x2+2: The highest power of x is 2, so this is not a linear function. y=2x2: The highest power of x is 2, so this is not a linear function. y=−4x+5: The highest power of x is 1, so this is a linear function. Solution The equation y=−4x+5 represents a linear function because it is in the form y=mx+b, where m=−4 and b=5. Final Answer The equation that represents a linear function is: y=−4x+5

How to Find Square Root

Answer: Use one of several methods — recognize perfect squares or use prime factorization for exact integers, the long-division (manual square-root) method for digit-by-digit results, or Newton’s (Babylonian) method for fast decimal approximations. Below I explain each with examples and tips. Quick overview If the number is a perfect square (1,4,9,16,25,...), its square root is the integer whose square gives the number. For integers, prime-factorization can give an exact integer/root-simplified form. For non-perfect or decimal numbers, use Newton’s method (fast convergence) or the long-division method (digit-by-digit). Calculators and programming languages provide built-in sqrt functions. 1) Perfect squares and prime factorization Example: Find $\sqrt{3600}$. Prime factorize $3600 = 2^4 \times 3^2 \times 5^2$. Take one factor of each pair: $\sqrt{3600} = 2^2 \times 3 \times 5 = 4 \times 3 \times 5 = 60$. Rule: Pair up identical prime factors; each pair contributes one factor to the square root. 2) Long-division (manual digit) method Use this when you want exact decimal digits without a calculator. Example: $\sqrt{1521}$. Group digits from the decimal point in pairs: 15 | 21. Largest square ≤ 15 is $3^2=9$. First digit 3. Subtract 15−9=6. Bring down 21 → 621. Double current root (3 → 6). Find digit $d$ so that $(60 + d)d \le 621$. Try $d=9$: $(60+9)9=69\times9=621$. So $d=9$. Root is 39 and remainder 0. So $\sqrt{1521}=39$. (The method works similarly for decimals by adding pairs of zeros after the decimal point.) 3) Newton’s (Babylonian) method — fast for decimals To approximate $\sqrt{S}$, iterate$$x_{n+1}=\frac{x_n + S/x_n}{2}.$$Example: approximate $\sqrt{20}$. Choose initial $x_0=5$ (since $5^2=25$). $x_1=(5 + 20/5)/2=(5+4)/2=4.5$. $x_2=(4.5 + 20/4.5)/2\approx(4.5+4.444444)/2\approx4.472222$. $x_3\approx4.472136$ → converges quickly to $\sqrt{20}\approx4.472136$. Newton’s method typically doubles correct digits each iteration once close. 4) Estimation + refinement Find nearest perfect squares. E.g., $16<20<25$, so $\sqrt{20}$ is between 4 and 5. Interpolate or use one Newton step from an estimate to refine. 5) Using a calculator or programming In calculators use sqrt or x^(1/2). In many languages: Python: import math; math.sqrt(20) or 20**0.5. 6) Special notes For negative numbers, square roots are complex: $\sqrt{-a}=i\sqrt{a}$ for $a>0$. Property: $\sqrt{ab}=\sqrt{a}\sqrt{b}$ for nonnegative $a,b$; $\sqrt{a^2}=|a|$. If you want, tell me a specific number (integer or decimal) and I’ll show one of these methods step-by-step for that number.

How Many Ounces in Half a cup

The correct answer is: $4\text{ fl oz}$ Explanation In US volume measures, 1 cup = 8 US fluid ounces, so half a cup is half of that. (Note: "ounces" can mean weight (oz) or volume (fl oz); here we mean US fluid ounces.) Steps: First step: $$1\text{ cup}=8\text{ fl oz}$$ Second step: $$\tfrac{1}{2}\text{ cup}=\tfrac{8\text{ fl oz}}{2}$$ Final step: $$\tfrac{8\text{ fl oz}}{2}=4\text{ fl oz}$$ If you want the metric equivalent: $$4\text{ fl oz}\times29.5735\text{ mL/fl oz}=118.294\text{ mL}$$ (commonly rounded to $120\text{ mL}$).

The correct answer is: $65.77089365\text{ kg}$ Explanation To convert pounds to kilograms use the exact conversion factor $1\text{ lb}=0.45359237\text{ kg}$. Multiplying 145 pounds by that factor gives the mass in kilograms. Steps: Formula: $kg = lb \times 0.45359237$ Substitute: $kg = 145 \times 0.45359237$ Compute: $kg = 65.77089365\text{ kg}$ Therefore, 145 lb ≈ 65.77 kg (rounded to two decimal places).

The correct answer is: $81.65\text{ kg}$ Explanation You convert pounds to kilograms using the exact factor $1\text{ lb}=0.45359237\text{ kg}$. Multiplying gives the precise result, then round to a practical number of significant digits. Steps: Conversion factor: $1\text{ lb}=0.45359237\text{ kg}$ Multiply: $$180\times0.45359237=81.6466266\text{ kg}$$ Round to two decimal places: $$81.6466266\text{ kg}\approx81.65\text{ kg}$$ Therefore, 180 pounds is about $81.65\text{ kg}$ (exactly $81.6466266\text{ kg}$).

Solved: 180 Pounds In Kg

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180 pounds in kg