How many feet in a yard

The correct answer is: $3$ Explanation A yard is a standard length unit equal to three feet. You can also see this from inches: 1 yard = 36 inches and 1 foot = 12 inches, so $36\\text{ in} \\div 12\\text{ in/ft} = 3\\text{ ft}$. Steps: $$1\\text{ yd} = 36\\text{ in}$$ $$1\\text{ ft} = 12\\text{ in}$$ $$36\\text{ in} \\div 12\\text{ in/ft} = 3\\text{ ft}$$ Therefore, 1 yard = 3 feet.

A phrase expressing the aim of a group or party

The correct answer is: motto. Explanation A motto is a short phrase expressing the guiding principle or aim of a person, group, institution, or political party. It summarizes core values or goals in a memorable way. Example mottos: Liberté, égalité, fraternité (France), Semper Fidelis (U.S. Marine Corps). Related terms: slogan (more promotional or campaign-focused, e.g., “Yes We Can”), mission statement (longer, formal description of aims), tagline (branding-oriented). Use “motto” when you mean a concise phrase that encapsulates the group's purpose or guiding belief.

The Great Wall of China was built after the birth of Christ.

The statement is false. Explanation The Great Wall's origins predate Christ by many centuries. Early frontier walls were built by various Chinese states during the Spring and Autumn and Warring States periods (roughly 7th–3rd centuries BC). After unifying China, Emperor Qin Shi Huang ordered connecting and extending many walls around 221–206 BC. Subsequent dynasties (notably the Han, 206 BC–220 AD) expanded and repaired walls further. Much of the stone-and-brick structure visible today was rebuilt and strengthened during the Ming dynasty (1368–1644 AD), which is why people often think of the Wall as post–Christ. Conclusion Parts of the Great Wall were built after the birth of Christ (especially the Ming sections), but the construction as a whole began well before Christ—so the blanket statement is incorrect.

how many seconds in 12 hour

The correct answer is: $43200$ Explanation A hour has 60 minutes and each minute has 60 seconds, so multiply 12 hours by those conversion factors. Steps: Convert hours to minutes: $$12\text{ hr}\times60\text{ min/hr}=720\text{ min}$$ Convert minutes to seconds: $$720\text{ min}\times60\text{ s/min}=43200\text{ s}$$ Or do it in one step: $$12\text{ hr}\times60\text{ min/hr}\times60\text{ s/min}=43200\text{ s}$$ Therefore, 12 hours = $43200\text{ s}$.

how many seconds in 10 hour

The correct answer is: $36000\text{ s}$ Explanation We convert hours → minutes → seconds. One hour has 60 minutes and one minute has 60 seconds, so multiply accordingly. Steps: $1\text{ hr}=60\text{ min}$ $1\text{ min}=60\text{ s}$, so $1\text{ hr}=60\times60=3600\text{ s}$ $10\text{ hr}=10\times3600=36000\text{ s}$ Therefore, 10 hours equals $36000\text{ s}$.

Solved: 20 Celsius To Fahrenheit

Q: 20 Celsius to Fahrenheit

The correct answer is: $68\text{ °F}$ Explanation To convert Celsius to Fahrenheit use the formula $F = \frac{9}{5}C + 32$. For $C = 20$ you substitute and compute. Steps: Formula: $F = \frac{9}{5}C + 32$ Substitute: $F = \frac{9}{5}\times20 + 32$ Compute: $F = 36 + 32 = 68\text{ °F}$ Therefore, $20^\circ\text{C}$ equals $68\text{ °F}$.

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