Mathematics
22.01.2023 05:21
139
426
4
Solved by an expert
The nth term of a number sequence is n2-3 (a) Find the 4th term of this sequence.
The nth term of a number sequence is n2-3
(a) Find the 4th term of this sequence.
b) Show that 40 is not a number in this sequence.
Show Answers
b) Show that 40 is not a number in this sequence.
jadawada223
4,6(68 marks)
Here's the solution,
nth term = n² - 3
So, 4th term :
=》(4)² - 3
=》16 - 3
=》13
4th term of the sequence is 13
now, let's assume that 40 is a number in the sequence, then
=》40 = n² - 3
=》40 + 3 = n²
but, the term of the sequence should be a natural number, so our assumption was wrong, hence 40, can't be a number of this sequence.
breahnareedy
4,9(30 marks)
I believe the answer is 2 because anything between those lines (absolute value) will be positive but you have to subtract because there is a subtraction symbol
Popular Questions about the subject: Mathematics
Please help, I m not sure how to do this. I need an explanation, please....
Mathematics
23.02.2020 16:36
Graph A shows the distance of an elevator from the ground floor of a 6 story...
Mathematics
24.05.2023 12:24
Find the later area and surface area of the prism...
Mathematics
30.08.2020 18:41
Circle X with a radius of 6 units and circle Y with a radius of 2 units are...
Mathematics
03.08.2021 11:42
Tyler is making a fruit punch. For every cup of cranberry juice he uses, he...
Mathematics
06.10.2021 03:49
If you roll six sided dice what are the odds of rolling doubles...
Mathematics
22.08.2020 04:09
Consider the line 5x+9y=-9. What is the slope of a line parallel to this line?...
Mathematics
13.06.2021 03:13
New questions by subject
Write three short sentences in latin about your schooling....
World Languages
29.01.2020 16:55
I need the work and answers to these problems?...
Mathematics
05.08.2020 21:21
1) The Pet Company has recently discovered a type of rock which, when crushed,...
Mathematics
06.12.2021 04:21
A normal distribution has mean and standard deviation . Find the indicated...
Mathematics
04.06.2023 09:17
Can someone help me with these 2 true or false and the other 2 other questions...
Computers and Technology
26.09.2021 18:51
Lana s little sister needs to take a bubble bath. The package says to put in...
English
26.08.2020 09:17
In a factory, a sample of 40 light bulbs was selected from a box of 1,000 light...
Mathematics
03.11.2022 10:26
Which of the following descriptions is true regarding linear and exponential...
Mathematics
26.01.2022 09:17
On a given workday, the rate, in tons per hour, at which unprocessee ore arrives...
Mathematics
10.06.2020 05:34
Find out answers to questions
from an AI-bot
from an AI-bot
Get full access
Answers
