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
il63 [147K]
3 years ago
5

Need help with this question

Mathematics
1 answer:
solniwko [45]3 years ago
6 0
A₁ = -8  This is the first term in an arithmetic sequence.
d = 3, the common difference

a(n) = a₁ + d(n-1)

a₇ = -8 + 3(7-1)
a₇ = -8 + 3(6)
a₇ = -8 + 18
a₇ = 10

To check:
a₁ = -8
a₂ = -8 + 3 = -5
a₃ = -5 + 3 = -2
a₄ = -2 + 3 = 1
a₅ = 1 + 3 = 4
a₆ = 4 + 3 = 7
a₇ = 7 + 3 = 10
You might be interested in
You remove four fuses of 10, 20, 30, and 30 amperes each, but you do not mark the corresponding circuits. If you insert the fuse
iren2701 [21]

Answer:

Standard amperage sizes of the Code are 15, 20, 25, 30, 35, 40, 45, 50, 60, ... Additional standard ampere ratings for fuses are 1, 3, 6, 10 and 601

Step-by-step explanation:

4 0
3 years ago
What are common denominators for 1/2 and 1/4
stiks02 [169]
The answer is 8 because 2×4=8. 1/2 1/4  8= common denominator
6 0
3 years ago
Read 2 more answers
Sorry it’s hard to read but I need help please and thank u so much for ur help
mixer [17]
For every 1/4 metric ton it takes 1/8 hours
then multipling by 8 to make the hours =1
for every 2 metric tons it take 1 hour
so the quotient is 2 metric tons per 1 hour
8 0
3 years ago
Read 2 more answers
Find the slope and the line between each pair of points
dalvyx [7]
Girl what are you talking about
4 0
2 years ago
4 1/9 - 3 3/5 what is the answer to this question ?
Sindrei [870]
The answer is 0.51111111111111111 (It goes on for infinity).
8 0
3 years ago
Other questions:
  • Which table shows y as DIRECTLY PROPORTIONAL to x?
    13·1 answer
  • The sum of twice a number and five is at most -25
    5·1 answer
  • Right or not ???????????!!!?????????
    11·1 answer
  • Help with domain and range.
    11·1 answer
  • Mirela cut wrapping paper in the shape of the net below to cover a present. What is the surface area of her gift?
    15·1 answer
  • During a sale, all video games are $10 off. Nicole used a coupon to get an additional $20 off her purchase. If the original pric
    15·1 answer
  • There are 4 identical wooden blocks that are 20 inches long, 2 inches wide, and 1 inch thick. If you glue them together, what is
    9·1 answer
  • Can you help me, please? I really need help.
    7·1 answer
  • Find x and y. For one point extra credit each, give the correct name for point P.
    12·2 answers
  • Part A Which graph has the following solution set (-9,10) (-6,5) (0,-5) (3,-10)Part B Write the equation of the graph from part
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!