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
charle [14.2K]
3 years ago
12

A sequence is defined recursively by f(1)=16 and f(n)=f(n-1)+2n. Find f(4) 1) 32 2) 30 3) 28 4) 34

Mathematics
1 answer:
ella [17]3 years ago
5 0
f(1)=16 \ \ \ and \ \ \ \ f(n)=f(n-1)+2n \\ \\f(2)=f(1)+2\cdot2=16+4=20\\ \\f(3)=f(2)+2\cdot3=20+6=26\\ \\f(4)=f(3)+2\cdot4 =26+8=34

Ans.\ 4)
You might be interested in
ron wants to buy a video game with a selling price of ​$60​, on sale for​ 50% off. The sales tax in 4.5% state is . How much wil
dybincka [34]

Answer:

Yes, he can.

Step-by-step explanation:

To find the sale, you need to times the sale percentage by the original price so

60 x 0.50 = 30

Then you subtract the original price by the sale price so

60 - 30 = 30

So the with the sale, the price is $30.

Now the tax

Do the same

30 x 0.045 = 1.35

Now instead of subtracting you add so

30 + 1.35 = $31.35

Yes, he can afford it.

4 0
3 years ago
Jason just got tired for a new job and will make $80,000 in his first year. Jason was
Andreyy89

Answer:

$110,080

Step-by-step explanation:

This is an arithmetic sequence because each new term is obtained by adding $5000 to the preivous term.

The general formula for such an arithmetic series is

a(n) = $80,000 + ($5,000)(n - 1)

and so in his 23rd year Jason would make

a(23) = $80,000 + ($5,000)(23 - 1), or

$110,080

3 0
3 years ago
Read 2 more answers
Plss help with this math!!!! i will give brainliest to the best explained correct answer
Step2247 [10]
Jupiter orbits five times farther from the sun than earth, saturn is twice as far from the sun than jupiter
4 0
3 years ago
Tom has a piece of rope that is 105 feet long. He wants to cut the rope into 5 equal pieces. How long will each piece be?
goblinko [34]

Hey there!

\large\boxed{21 ft}

If he is going to cut it into 5 equal pieces then we need to divide 105 by 5.

105 ÷ 5 = 21

So, each piece will be 21 feet long.

Hope this helps!

6 0
3 years ago
A group of seven people spent $33.50 on a movie ticket. They paid six dollars and 50 Cent for each adult ticket and $3.50 for ea
Reika [66]
.5X+3.50y=33.50 Would be the equation hope this helps
7 0
4 years ago
Read 2 more answers
Other questions:
  • Determine the value of the expression given below.​​​ 121 / 2÷(−1 3/8)
    6·1 answer
  • Identify the postulate or theorem that proves p∥q. Please help!! <br><br> Given: ∠4≅∠6
    7·1 answer
  • Help please and thanks will mark as brainliest
    13·1 answer
  • Mr Ruiz drove 305 miles in 5 hours on Saturday and 190 miles in 4 hours on Sunday what is his average speed in miles per hour fo
    13·1 answer
  • The soccer team collected $800 at a car wash fundraiser. They charged $5.00 for small vehicles and $10.00 for longer vehicles. T
    14·1 answer
  • A pet store was selling 4 lizards for $47.88. If they ended up selling 6 lizards, how much would they have earned?
    9·2 answers
  • A marketing research firm would like to survey undergraduate and graduate college students about whether or not they take out st
    9·1 answer
  • Please someone actually help with this I don't understand how.​
    14·1 answer
  • Im<br> sorry if u are having trouble seeing
    8·1 answer
  • Select the procedure that can be used to show the converse of the Pythagorean theorem using side lengths chosen from 6 cm, 8 cm,
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!