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
5/6 of a number is 45 find the number
Goryan [66]

Answer: 54

Step-by-step explanation:

We know that 45 is 5/6. So that means 45/5=9. 9 is 1/6. 9x6=54 is 54. 54 is the number.

3 0
3 years ago
The sum of two numbers is 22 their difference is 4
ipn [44]

Answer:

x=13

Step-by-step explanation:

ok so let x+y=22

--------------------------------------------------------

x and y are the 2 unkown Number

-------------------------------------------

x-y=4

their difference is 4

----------------------------------

add both equations

(x+y=22)

+(x-y=4)

------------------------------

y's cancel out

-----------------------

2x=26

-----------------

x=13

3 0
3 years ago
Read 2 more answers
What is the center and radius of the circle shown by the equation? (x+8)2+(y+3)2=6.25
777dan777 [17]
The center is (-8, -3)

the radius is 2.5

hope that helps, God bless!
4 0
3 years ago
Enter an inequality to model the situation.
DaniilM [7]

The required inequality statement tonmode’ the scenario given is : 16 + 6s ≥ 40

  • The number fencing leftover = 8 foot × 2 = 16 feet
  • Required number of fencing ≥ 40
  • The additional number of 6 foot fencing required = s

Representing this as an inequality :

  • Left over + additional fencing ≥ 40

Therefore,

  • 16 + 6s ≥ 40

Learn more : brainly.com/question/20383699?referrer=searchResults

4 0
3 years ago
What is the median of the following data set?
pashok25 [27]

Answer:

The median of the following set of data is 9 since the question is implying, which is the center of the data distribution.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Other questions:
  • two real numbers x and y have the property that their difference is 6 and the difference of their square roots is 1. find the su
    5·1 answer
  • Point H is the circumcenter of triangle DEF.
    12·2 answers
  • How to use properties to find the answer to 26,19,34 and 21
    9·1 answer
  • When the distributed property is used to solve 3(x+5)=5x-7, what could the next step be?
    15·1 answer
  • T - 32.8 = -27... Solve Equation
    13·1 answer
  • Leyla drops a penny from a height of 150 m.
    7·2 answers
  • Solve for x. 5(x – 10) = 30 – 15xx = 1 x = 4 x = 5 x = 8
    8·1 answer
  • Graph the lines 2x=-y+7 and 2y=-4x+10. What is the solution?
    15·2 answers
  • Is the histogram uniform, symmetric, or skewed?
    10·1 answer
  • Describe a sequence of rigid motions
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!