Answer:
Number 25: B or C idk
Number 26: D 1.50M
Tell me if im right i tried sorry if not
Step-by-step explanation:
Answer:
9.1200003464E54
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Answer:
26.5 Km/h
Step-by-step explanation:
![Speed=\frac {distance}{time}](https://tex.z-dn.net/?f=Speed%3D%5Cfrac%20%7Bdistance%7D%7Btime%7D)
The distance is given as 1576 Km
The time
From 14th Sept at 0630 to 16 September at 0630 that is equivalent to 48 hours
From 16th September at 0630 to 1800 that is 11.5 hours
Total time=48+11.5=59.5 hours
![Speed=\frac {1576 km}{59.5 hrs}=26.48739496 Km/h](https://tex.z-dn.net/?f=Speed%3D%5Cfrac%20%7B1576%20km%7D%7B59.5%20hrs%7D%3D26.48739496%20Km%2Fh)
![Speed\approx 26.5 Km/h](https://tex.z-dn.net/?f=Speed%5Capprox%2026.5%20Km%2Fh)
Answer:
not arithmetic
Step-by-step explanation:
An arithmetic sequence has a common difference d between consecutive terms.
Given
= 2n² - 1
Substitute in n = 1, 2, 3, 4 to generate the first 4 terms of the sequence
= 2(1)² - 1 = 2 - 1 = 1
= 2(2)² - 1 = 8 - 1 = 7
= 2(3)² - 1 = 18 - 1 = 17
= 2(4)² - 1 = 32 - 1 = 31
check the difference between consecutive terms
7 - 1 = 6
17 - 7 = 10
31 - 17 = 14
The differences are not common hence not an arithmetic sequence