Answer:
30x8
8x0=0
8x3=24
30x8=240
Step-by-step explanation:
Answer:
16 runs.
Step-by-step explanation:
We have been given that on the first day of baseball tournament Jessie scored 2 runs. On the second day, 4 runs. On the third day, 6 runs.
We can see that runs scored by Jessie form an arithmetic sequence, where each successive term is 2 more than the previous term.
Since we know that formula for nth term of an arithmetic sequence is:
, where,
,
,
,
.
Since on the first day Jessie scored 2 runs, so
and difference between two consecutive terms is 2 (4-2=2), so d will be 2.
Upon substituting our values in arithmetic sequence formula we will get,



Therefore, formula for nth term of sequence representing number scored by Jessie on the baseball tournament is
.
Let us find the 8th term of sequence by substituting n=8 in our sequence formula.


Therefore, Jessie should score 16 runs on the eighth day of baseball tournament.
Answer:
If A = {1,20,30..} and B = {4,6} find n(A-B)?
Answer:o
Step-by-step explanation:
This is the concept of area of solid materials, we are required to calculate the total area of horsehide that is required to cover 100 balls with each having a circumference of 9 in.
The area of hide required will be given by:
area=(area of each ball)*(total number of balls)
area of each ball is given by:
SA=4πr^2
given that the circumference is 9in, we are required to find the radius of the ball
Circumference, c=2πr
thus;
9=2πr
r=9/(2π)
r=1.4 in
Therefore the surface area will be:
SA=4π*1.4^2=24.6 in^2
Therefore the area of horsehide required to cover 100 balls will be:
Area=24.6*100=2,460 in^2.