Q: by who and when HUB was invented

I’m not sure which “HUB” you mean — could you clarify? Common meanings and quick answers you might be asking about: Ethernet (network) hub — The Ethernet technology was developed at Xerox PARC by Robert Metcalfe and colleagues in the 1970s (early experiments c.1973–1976). Multiport repeater devices called hubs became common with 10BASE-T Ethernet in the late 1980s/early 1990s (IEEE 802.3i standard work around 1990). USB hub — USB was developed by a team at Intel led by Ajay Bhatt and others; the USB 1.0 specification was released in 1996. USB hubs (devices that let multiple USB devices share one port) are part of that USB architecture. Mechanical wheel hub — wheel hubs (the central part of a wheel) date back to ancient wheel inventions (several thousand years BCE), so there is no single inventor. Other hubs (airport hub, software platform named “Hub,” etc.) — each has its own history and inventor/company. Which one did you mean? If you tell me (Ethernet, USB, wheel, software, or something else), I’ll give a precise inventor/name and date with more detail.

Q: How many weeks is a month

The correct answer is: $4.348125$ weeks (about $4.35$ weeks); commonly rounded to $4$ weeks. Explanation A month’s length varies, so the number of weeks in a month depends on which month you mean. Weeks are 7 days each. Steps: Typical month lengths: February (common year) $=28$ days, other short months $=30$ days, long months $=31$ days. Convert each to weeks: $$\frac{28}{7}=4$$ $$\frac{30}{7}=4+\frac{2}{7}\approx4.2857$$ $$\frac{31}{7}=4+\frac{3}{7}\approx4.4286$$ For February in a leap year: $$\frac{29}{7}\approx4.1429$$ Average month (using the mean solar year $365.2425$ days): $$\text{average days/month}=\frac{365.2425}{12}\approx30.436875$$ $$\text{weeks/month}=\frac{30.436875}{7}\approx4.348125$$ Therefore, a month is typically about $4.35$ weeks. In casual speech or simple scheduling people often say “4 weeks,” but that ignores the extra 0.35 week (about 2.45 days) on average. For exact calculations, use the specific month’s day count.

Q: how tall is a person with 6 foot

The correct answer is: $6\text{ ft}=72\text{ in}\approx182.88\text{ cm}\approx1.8288\text{ m}$ Explanation "6 foot" (more correctly said "6 feet tall" or "6-foot") means six feet in height. To convert to other common units: Steps: Convert feet to inches: $$6\times12=72\text{ in}$$ Convert inches to centimeters using $1\text{ in}=2.54\text{ cm}$: $$72\times2.54=182.88\text{ cm}$$ Convert centimeters to meters: $$182.88\div100=1.8288\text{ m}$$ Therefore, a person who is 6 feet tall is 72 inches tall, which is about $182.88\text{ cm}$ (commonly rounded to $183\text{ cm}$) or about $1.83\text{ m}$.

Q: What means 165 cm height?

The correct answer is: 165 cm = 1.65 m ≈ 5 ft 5 in Explanation 165 cm expressed in common units:Steps: Convert to meters: $$165\text{ cm}=\frac{165}{100}\text{ m}=1.65\text{ m}$$ Convert to inches using $1\text{ in}=2.54\text{ cm}$: $$\text{inches}=\frac{165}{2.54}\approx64.96\text{ in}$$ Convert inches to feet + inches: $$64.96\text{ in}=5\times12\text{ in}+4.96\text{ in}=5\text{ ft }4.96\text{ in}\approx5\text{ ft }5\text{ in}$$ Quick comparisons: 165 cm is about the height of an average adult woman in many countries. It’s slightly shorter than the average adult man in many places. In everyday terms, 1.65 m is about as tall as someone you might describe as “about five foot five.” If you want the exact fractional inches (e.g., 5 ft 4 31/32 in) or conversions to other units (yards, pounds/height charts, etc.), tell me which and I’ll calculate it.

Question

Question: Why are you saying 😐 in hiding meaning 🤔?

Accepted Answer

The short answer: I didn’t mean to “hide” anything — I likely used 😐 instead of 🤔 to signal a neutral or deadpan tone (or it was a mistake); if that made the meaning unclear, I can clarify what I meant.

Explanation

Emoji meanings: 😐 (neutral face) usually signals indifference, neutrality, or deadpan tone. 🤔 (thinking face) signals curiosity, puzzlement, or that someone is considering something. They convey different attitudes.
Why one instead of the other:
Tone choice: I may have wanted to keep the response neutral rather than suggest active pondering.
Platform rendering: Emojis can look different on different devices and sometimes a chosen emoji appears unexpected.
Simple error: I might have picked the wrong emoji or phrased the message poorly.
Not intended to hide meaning: If the emoji made my message seem evasive, that wasn’t deliberate — it was a tone marker, not an attempt to obscure information.

Would you like me to explain the specific message where you saw this, or to reword that reply using clearer language (no emoji)?