Answer:
a₁₅ = 71
Step-by-step explanation:
The nth term of an arithmetic sequence is
= a₁ + (n - 1)d
where a₁ is the first term and d the common difference
Here a₁ = 1 and d = 6 - 1 = 5 , then
a₁₅ = 1 + (14 × 5) = 1 + 70 = 71
Answer:
5/8 or 62.5%
Step-by-step explanation:
There are a total of 8 pairs of socks and 5 black ones, so the ratio is 5/8. We can divide this and get the percent by 5/8=0.625 and multiply by 100% which equals 62.5%.
Answer:
x = (W - y)/3
Step-by-step explanation:
3x+y=W
3x = W - y
x = (W - y)/3
Find the area of the smaller circle and the bigger circle. Once you get that, subtract the area of the smaller circle from the bigger circle.
Answer:
3
Step-by-step explanation:
If you start at any point on the line, you can go up 3 points and go to the right by 1 point to get back to the line. This is where you get the number 3 because 3/1 is 3.