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
Soloha48 [4]
3 years ago
13

Triangular numbers can be represented with equilateral triangles formed by dots. The first five triangular numbers are 1, 3, 6,

10, and 15. Is there a direct variation between a triangular number and its position in the sequence? Explain your reasoning.
Advanced Placement (AP)
1 answer:
Zolol [24]3 years ago
7 0

Answer:

No, the triangular numbers are not a direct variation. There is not a constant of variation between a number and its position in the sequence. The ratios of the numbers to their positions are not equal. Also, the points (1, 1), (2, 3), (3, 6), and so on, do not lie on a line.

Explanation:

this is correct on edge

You might be interested in
Students in a high school statistics class responded to a survey designed by their teacher. One of the survey questions was “How
maria [59]

The proportion of students that got the recommended amount of sleep is 0.179.

<h3>What is a proportion?</h3>

A proportion can be defined as an expression which is typically used to represent (indicate) the equality of two (2) ratios. This ultimately implies that, proportions can be used to establish that two (2) ratios are equivalent and solve for all unknown quantities.

<h3>How to calculate proportion of students that got the recommended amount of sleep?</h3>

Since the total number of students in this class is 28, we would develop an expression to relate the number of students that sleep at least for 5 hours per night:

Proportion = 5/28

Proportion = 0.179.

Read more on proportions here: brainly.com/question/870035

#SPJ1

Complete Question:

Students in a high school statistics class responded to a survey designed by their teacher. One of the survey questions was “How much sleep did you get last night?” Here is a dotplot of the data: Experts recommend that high school students sleep at least  per night. What proportion of students in this class got the recommended amount of sleep? Amount of sleep (h) (Round your answer to three decimal places.)

7 0
1 year ago
José and Isabel went running. José ran 2 miles less than 1/2 as many miles as Isabel. José ran 6 miles. How many miles did Isabe
faust18 [17]

Answer:

Isabel ran 16 miles.

Explanation:

1/2x - 2 = 6

1/2x = 8

x = 16

Hope this helps!

8 0
2 years ago
Read 2 more answers
What is the relationship between keeping artist-blacksmithing in the public eye and blacksmithing being a living art? (Select al
MakcuM [25]

Answer:

Public visibility ensures a link between current artist-blacksmithing and the past.

Public visibility drives demand for artist-blacksmithing.

Explanation:

7 0
2 years ago
While Melissa was working at the factory, a heavy machine fell on her and broke her legs. Her doctors say that she needs three m
Vikentia [17]
I believe D since she will be out of work.
7 0
3 years ago
Read 2 more answers
PLEASE SAY IF THEY ARE VALID OR INVALID! WILL MARK BRAINLIEST IF CORRECT ANSWERS!
viktelen [127]

Answer:

a. Valid

b. Invalid

c. Valid

Explanation:

Follow me and Mark me brainliest please

6 0
3 years ago
Other questions:
  • Renewable energy sources cannot generate large amounts of electricity. Agree or disagree?
    12·1 answer
  • The chain of command is an important concept in law enforcement. The Chain is organized from ___ to the ____ (1 point)
    11·1 answer
  • “1. For having upon specious pretenses of public works raised great unjust taxes upon the Commonality for the advancement of pri
    12·1 answer
  • How many points do I Need to message someone? A LOT OF POINTS!!!
    13·2 answers
  • When you are at a baseball game you hear the crack of the bat shortly after yoh see the batter hitting rhe ball. Why does this h
    8·1 answer
  • However get this right, gets a free frog :)
    12·2 answers
  • Which is the BEST example of psychologists studying personality? A researcher studies:
    15·1 answer
  • Identify ONE claim that the author makes in the passage regarding the “two roads” toward modern nation building.
    15·1 answer
  • The points (80, 20) and (120, 30) form a proportional relationship. What is the slope of the line that passes through these poin
    8·1 answer
  • If a country imports a greater value of goods than it exports, it has a(n)
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!