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
garik1379 [7]
3 years ago
6

List the first 4 terms of the sequence 2n² +n -2​

Mathematics
1 answer:
xxTIMURxx [149]3 years ago
5 0

Answer:

1, 7, 17, 31

Step-by-step explanation:

2(1)² + 1 - 2 = 3-2 = 1

2(2)² + 1 - 2 = 9-2 = 7

2(3)² + 1 - 2 = 19-2 = 17

2(4)² + 1 - 2 = 33-2 = 31

You might be interested in
Please answer this correctly without making mistakes
Lelu [443]

Answer:

so first convert to fraction so

9 3/4 = 39/4

so it was spread among 3

so this is division so you do 39/4 divided by 3

so you keep switch flip

which is  39/4 *1/3

answer is 13/4

8 0
4 years ago
Read 2 more answers
How many times larger is 1.71 x 10^7 than 9.98 x 10^6?
Evgesh-ka [11]

Answer:

Russia is 71.34% larger than Canada.

Russia is 1.71 times larger than Canada

Step-by-step explanation:

See attached table.

Russia/Canada = (1.71x10^7/0.998x10^7) {Move the decimal point for Canada to make the exponents both equal to 7.

Russia/Canada = (1.71/0.998) The exponents cancel.

Ratio is 1.71

8 0
2 years ago
Can you answer my question please and thank you
KIM [24]

Answer:

b = 12

Step-by-step explanation:

since a² + b² = c²

we can find b by pythagorean theorem.

sqrt(13² - 5²) = b

hence,

b = 12

4 0
2 years ago
Read 2 more answers
Write f(x) = 2x2 - 44x + 185 in vertex form.
masya89 [10]

Answer:

more information

Step-by-step explanation:

5 0
3 years ago
Students at Jefferson Middle School are required to read a 3-book series for their literature class. Book 1 has 303 pages, Book
katrin2010 [14]
There is 981 pages in the whole series
7 0
3 years ago
Other questions:
  • Please help as soon as possible <br>I WILL MARK YOU AS BRAINLIEST ​
    15·2 answers
  • Someone help please, please be correct.
    12·1 answer
  • 12.03,1.2,12.3,1.203,12.301 order least to greatest
    11·1 answer
  • Expand and simplify 5(x+3) +2(3x+1)?
    9·2 answers
  • You have four quiz grades. Quiz 1: 17/30, Quiz 2: 17/25, Quiz 3: 38/50, Quiz 4: 18/25 What is your ordinary quiz average?
    13·2 answers
  • If the FDIC charges Bank D 6.1 cents per 100 dollars insured, how much must Bank D pay to insure $7.3 million in
    10·1 answer
  • a set of data has a normal distribution with a mean of 29 and a standard deviation of 4. find the percent of data between 25 and
    15·1 answer
  • Simplify the expression 5 (-3.4x - 4) + (3x + 21)
    13·1 answer
  • 1/4h = 6 solve for h
    5·1 answer
  • Can someone please explain<br> AAS<br> SAS<br> SSS<br> ASA <br> CPCTC
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!