The dividing meridian between zone...

Question 1 / 2066636ee928f7522a1c5195e5

Question 1 of 2066636ee928f7522a1c5195e5

The dividing meridian between zone descriptions +7 and +8 is __________.

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Question 1 of 20

66636ee928f7522a1c5195e5

The dividing meridian between zone descriptions +7 and +8 is __________.

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🔍 Key Concepts

• Time zones and zone descriptions: Each zone description usually covers 15 degrees of longitude, corresponding to one hour of time difference from Greenwich Mean Time (GMT/UTC). • Relationship between zone numbers and longitude: Zone description numbers increase going eastward from the Prime Meridian and decrease going westward. • Mid-meridian concept: Each standard time zone has a central (mid) meridian; the boundaries between adjacent time zones are typically halfway between their mid-meridians.

💭 Think About

• First, recall what longitude range is normally covered by any single 1‑hour time zone and how many degrees that is. • Think about where the mid‑meridian for zone description +7 would lie, and where the mid‑meridian for +8 would lie; then determine the longitude exactly halfway between them. • Translate the zone description number (e.g., +7, +8) into its corresponding standard mid‑meridian longitudes using the usual formula used in navigation texts.

✅ Before You Answer

• Confirm how many degrees of longitude per hour of time difference from UTC are assumed in standard nautical time‑zone problems. • Verify the formula that relates zone description (ZD) to the standard time meridian in degrees of longitude, including the correct sign convention for + (east) and − (west). • Calculate the mid‑meridians for ZD +7 and ZD +8 and then find the longitude halfway between them, and compare that result carefully to each answer choice.

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Question 1 of 20

The dividing meridian between zone descriptions +7 and +8 is __________.

105° 00' W

112° 30' W

117° 00' W

120° 30' W

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Question 1 / 2066636ee928f7522a1c5195e5

Question 1 of 2066636ee928f7522a1c5195e5

The dividing meridian between zone descriptions +7 and +8 is __________.

Back

Question 1 of 20

66636ee928f7522a1c5195e5

The dividing meridian between zone descriptions +7 and +8 is __________.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed