Answer:
A8 = 66 [8th term]
Step-by-step explanation:
Given the explicit arithmetic sequence An = -14 + 10n → -4 + 10(n-1)
To find the 8th term. An nth term is where n is n in the sequence. So substitute 8 for n, and simplify.
So A8 = -4 + 10(8-1) → -4 + 10(7) → -4 + 70 → 70 - 4 → 66.
It lies between -3 and -4.
An integer is any whole number, positive or negative.
Cutting her time by 50% means reducing her time by half. Half of 45 seconds is 22.5 seconds. Therefore, to make the team, she must run a lap in 22.5 seconds.
Answer:
The answer to your question is Russia is 50 times greater than Finland.
Step-by-step explanation:
Data
Finland area = 3.4 x 10⁵ km²
Russia area = 1.7 x 10⁷ km²
Proportion = ?
Process
1.- Just divide the Russia's area by the Finland's area.
Proportion = 
Proportion = 
Porportion = 50