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
Ksivusya [100]
3 years ago
11

21. Given the pattern below, which recursive formula represents the number of triangles in this sequence?

Mathematics
1 answer:
Tamiku [17]3 years ago
6 0

Answer:

its 4

Step-by-step explanation:

a 1 = 3 , a n = a n - 1 + 2

because if you aply this to the shapes that you see at problem 21 you will see that it meaches them

You might be interested in
A copy machine makes 84 copies in 3 minutes and 30 seconds. How many copies does it make per minute
lyudmila [28]

Answer:

24

Step-by-step explanation:

30 secs  = 0.5 min

thus 84 / 3.5 min = 168 / 7 = 24

5 0
3 years ago
Solve for all theta radians. sin(3 theta)=0
Tema [17]
Sin 3θ = 0
3θ = sin^-1 0 = nπ
θ = nπ/3
4 0
3 years ago
How I divided a hexagon into 3 equal parts?
vova2212 [387]
Put a dot in the middle and put a line up on one side and across the sides
7 0
3 years ago
Read 2 more answers
HELP! I will give BRAINLIEST!! Please EXPLAIN Olga tried to solve an equation step by step. ​ Equation: 1/4 ( 1/3k + 9) = 6 ​ St
Vera_Pavlovna [14]

Answer:

Olga's mistake was in Step 3 because she divided the entire equation by 3 instead of dividing it by 1/3.

3 0
3 years ago
How is multiplication using partial products different from multiplication using regrouping?
klio [65]
Partial products is breaking down every number in multiplication and adding them. Regrouping is grouping number them adding them.They are alike because they both involve breaking down the numbers and adding them.  They are different because one is taking all the numbers broken down, while the other is just a couple of the number.
5 0
3 years ago
Read 2 more answers
Other questions:
  • Combine like terms to simplify the expression <br> -2/3a+5/6a-1/6
    11·2 answers
  • The business manager of paws and claws pet supply arranges a loan of $3,500, at 6.5% interest, for 30 months. find the amount of
    12·1 answer
  • Mark, Taylor, &amp; Brian's ages are consecutive whole numbers. Mark is the youngest, and Brian is the oldest. The sum of their
    10·2 answers
  • (7,5), (r, 9), m= 6​
    11·1 answer
  • Jan and Bob run a family business. Jan put a sign up to take 25% off a $999.00 laptop computer. The laptop computer did not sell
    9·1 answer
  • When 3 times a number is subtracted from 10, the result is the sum of the number and 22
    5·2 answers
  • PLEASE HELP! 50 POINTS!! LOTS OF POINTS AND WILL GIVE BRAINLIEST TO THE CORRECT ANSWER!!!
    12·2 answers
  • Based on past experience, the main printer in a university computer centre is operating properly 90% of the time. Suppose inspec
    15·1 answer
  • Tarinda's corn plant was 7- 1/3 inches tall at the end of Week 1. The corn plant was 18 1/2 inches tall at the end of Week 2. Ho
    14·1 answer
  • For R(x) --4x+2, find f(x) when x = -1.<br> a<br> -4<br> 6<br> b<br> C<br> -2<br> d<br> 2
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!