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
Juli2301 [7.4K]
3 years ago
14

When n=1 there is 1 dot when n=2 there are 3 dots when n=3 there are 6 dots notice that the total number of dots d(n) increases

n by each time use induction to prove that d(n) = n(n+1)/2 prove the statement is true for n equals 1
Mathematics
1 answer:
Maslowich3 years ago
4 0

Answer:

When n=1, there is 1 dot. When n=2, there are 3 dots. When n=3, there are 6 dots.  so when n=1 the eqaution would show as  when sloving this combin the like terms in the parenthesis so 1+1 =2 and 1*2 = 2 when that is divided it equals 1.

Step-by-step explanation:

PLATO answer

You might be interested in
What is 2/5 times 6/7
OverLord2011 [107]
12/35 unless you simplify it 
3 0
3 years ago
Read 2 more answers
All the items on the sale rack were 75 percent off their original price.
tresset_1 [31]

Answer:

112 $ is the original price

Step-by-step explanation:

x \times 0.75 = 84 \\ x = 84 \div 0.75 \\ x = 112

you have to think that the original price multiplied by 0.75 (also known as 75%) gave the result of what he saves i.e 84 $. So we put up an equation with the original price multiplied by 75% which equals the 84 $ he saved on buying that item on sale

4 0
3 years ago
There are seven balls in a bag(red, orange, green, yellow, white, black, and purple. If you draw a ball and flip a coin, the cha
Alex17521 [72]
The chance of purple is 14% and the chance of tails is 50%. 
 
please give me brainliest answer :)
4 0
3 years ago
American car makers produce 5,650,000 cars each year. In a report, Ben wrote that Americans made 6,550,000 cars. What mistake di
Degger [83]
Ben wrote the number for the hundred thousands place in the millions place
3 0
3 years ago
1. Five gallons of lemonade cost $8.00, which is<br> a rate of _____per____.
Hitman42 [59]

Answer:

1. $1.60

2. gallon

Step-by-step explanation:

Each gallon of lemonade would cost $1.60.

The rate is $1.60 per gallon.

Hope it helps!

3 0
3 years ago
Read 2 more answers
Other questions:
  • What is the measure of angle x, y, &amp; z?
    12·1 answer
  • Point B is collinear with A and C and partitions AC in a 3:4 ratio. B is located at (4,1) and C is located at (12,5). Find the c
    9·1 answer
  • I know this is easy but what is 799 divided by 7
    14·2 answers
  • Why does paramcium never die​
    12·1 answer
  • These are solving proportions btw! 20/8 = 4k/32
    14·1 answer
  • Please help! Geometry Dilations, Similar triangles &amp; proportionality
    14·1 answer
  • a snowmobile manufacturer claims that the newest model is 20% lighter than the black and white of a picture of metal weighs 645
    10·1 answer
  • PLEASE HELPP!!
    11·1 answer
  • Cathy bough treats at her local bakery the past two weeks. The first week she bought 6 donuts and 3 muffins and paid $42. The se
    6·1 answer
  • The farmer owned 100 acres of land. A year later he bought more property and then owned 140 acres. Is this a percent increase or
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!