Answer:
the correct answer is 38th terms is triple its 18th term
<span>You are given
the factors 12.34.0.74.91. The dots between the factors mean ‘to multiply’. Multiplying
12 by 34 by 0 by 74 by 91 would result to zero. The product of the given
numbers is 0. This is due to the zero property of multiplication. Any number
multiplied by zero is equal to zero. No matter how long the number you are
going to multiply it, if there is a zero between the factors, the answer will
always be zero.</span>
Answer:
2
Step-by-step explanation:
Answer:
0.27
Step-by-step explanation:
Answer: option D) An = 3an - 9a
Justification:
1) That is an arithmetic sequence which you prove by determining the difference between two consecutive terms (which shall be constant if it indeed is an arithmetic sequence):
2)
Second term - first term = -3a - (-6a) = -3a + 6a = 3a
Third term - second term = 0a - (-3a) = 3a
Fourth term - third term = 3a - 0a = 3a
Fith term - fourth term = 6a - 3a = 3a
Therefore, it is an arithmetic sequence with difference d = 3a.
3) the general rule for the nth term of an arithmetic sequence is given by the formula:
An = Ao + d (n - 1)
Where Ao = -6a and d, as determined above, is 3a
=> An = -6a + 3a (n - 1)
Expand the parenthesis (distributive property) =>
An = -6a + 3an - 3a = -9a + 3an = 3an - 9a = option D. <------- answer.