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
Fantom [35]
3 years ago
14

PLSSSSS HELP ME, Write a formula for the sum of the first three terms, a1+a2+a3, Your answer should only include variables a1 an

d d.
btw,
term 1=a1
common difference=d
Mathematics
1 answer:
Gwar [14]3 years ago
6 0
S3= 3/2 [2a1+(3-1)d]
You might be interested in
A father is eight times as old as his son . In 10 years , he will be three times as old as his son . The age of son is
vodka [1.7K]

Answer:

The son is 4years old

Step-by-step explanation:

Let the son's age=x

the father's age=8x

IN 10YEARS,

Son's age=x+10

father's age=8x+10

Equate them

8x+10=3(x+10)

8x+10=3x+30

5x=20

x=4

6 0
3 years ago
What are the next two terms in the sequence?
DiKsa [7]

Answer:

53, 64

Step-by-step explanation:

4 0
3 years ago
PLEASE HELP<br> Find the length of the missing side.
BabaBlast [244]

Answer:

use Pythagoras theorem

the missing side is base

Step-by-step explanation:

pythagoras theorem

h^2 = p^2 + b^2

73^2 = 48^2 + b^2

5329 = 2304 + b^2

5329 - 2304 = b^2

3025 = b^2

√3025 = b

55 = b

3 0
3 years ago
Find lcm of 14 and 28 in vertical method​
guapka [62]

Answer:

28

Step-by-step explanation:

We will keep dividing by prime numbers until both are one (we will only consider whole divisions)

```

14 28 | 2

7 14 | 2

7 7 | 7

1 1

Now we <em>m</em><em>u</em><em>l</em><em>t</em><em>i</em><em>p</em><em>l</em><em>y</em> the left collumn, to get the LCM

2 * 2 * 7 = 28

And this was the vertical method, ok?

7 0
3 years ago
Is (2,3),(-4,6),(8,6),(-2,3) a following function
aev [14]

Answer:No

Step-by-step explanation:

8 0
3 years ago
Other questions:
  • Find a ⋅ b. a = 6i - 6j, b = 4i + 2j
    8·2 answers
  • 5. There are 8,336 doctors being trained in the country. Half of the doctors, which is about
    7·2 answers
  • A ball rolled 258 feet in 2 minutes. What was the balls average speed, in feet per second?
    6·2 answers
  • Would 3.24 be an integer?
    14·1 answer
  • A box contains a $1 bill, a $5 bill, a $10 bill, and a $20 bill. If two bills are selected at random what is the probability tha
    8·2 answers
  • Please don't put links:(​
    12·1 answer
  • Pleaase someone help me !
    11·2 answers
  • A city's population is currently 500,000. If the population doubles every 65 years, what will the population be 130 years from n
    5·1 answer
  • Which method below is not a method of solving a system of linear equations?
    10·1 answer
  • HELP ME OUT peps correct answers only
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!