1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
MArishka [77]
3 years ago
7

Converting Explicit formula to Recursive formula.

Mathematics
1 answer:
Kruka [31]3 years ago
8 0
The formula
a(n) = 2 - 5(n-1)
is in the form
a(n) = a1 + d(n-1)

where
a1 = first term = 2
d = -5 = common difference

The first term is carried over to the recursive formula. We start with a1 = 2. The next term after that is found by subtracting 5 from the previous term. So
second term = (first term) - 5
third term = (second term) - 5
and so on

The recursive step would be 
a(n) = a(n-1)-5

So that's why the answer is choice C
You might be interested in
Change one digit from the number 238882 so that it is divisible by 3 not not divisible by 2
Aleksandr-060686 [28]

Answer:

238882 -> 238881

Step-by-step explanation:

To make it not divisable by 2, you have to change the rightmost digit.

Simply divide the number by 3, round it, then multiply it by 3 again.

6 0
2 years ago
Please help me 10 points
Oksana_A [137]
7\dfrac{2}{9}-3\dfrac{5}{6}=7\dfrac{2\cdot2}{9\cdot2}-3\dfrac{5\cdot3}{6\cdot3}=7\dfrac{4}{18}-3\dfrac{15}{18}\\\\=6\dfrac{22}{18}-3\dfrac{15}{18}=3\dfrac{7}{18}
7 0
3 years ago
Todd bought a jetski through an interest free payment plan. The ski was $2000 and his payment were $250 each. What percent of th
stepan [7]

Answer:

12.5%

Step-by-step explanation:

\frac{250}{2000}  \times 100\%

= 12.5%

Percentage of total cost that is the payments= 12.5%

4 0
3 years ago
X y
Allushta [10]

Answer:

D)\ \{3,-1\}

Step-by-step explanation:

Image of x=0 is y=3

Image of x=2 is y=-1

Hence \{0,2\} corresponds to \{3,-1\}

3 0
3 years ago
Perpendicular lines are defined as
BartSMP [9]
Lines that overlap each other opposite like a T or +
6 0
3 years ago
Read 2 more answers
Other questions:
  • AABC is a right triangle. If AC = 15 and BC = 17, find AB.
    5·1 answer
  • Give an example of how you can decompose 1<br>dollar.​
    7·1 answer
  • What is the coefficient of the second term of the trinomial?
    14·2 answers
  • 6. A store orders 8 boxes of notebooks.
    15·1 answer
  • Understanding Functional Relationships
    14·1 answer
  • I’ll give you a brain list !
    8·1 answer
  • Please help me !!!!!!
    11·1 answer
  • Y intercept of 3x+4y=8
    7·1 answer
  • Find the measures of the interior angles.<br><br><br><br><br><br><br> what is angle A, B, and C
    15·2 answers
  • Brainliest if correct
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!