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
pogonyaev
3 years ago
5

Find the 18th arithmetic sequence when a1=-4 and d=6

Mathematics
1 answer:
Olenka [21]3 years ago
6 0
a_n=a_1+(n-1)d\\\\a_1=-4;\ d=6\\\\substitute\\\\a_n=-4+(n-1)\cdot6=-4+6n-6=6n-10\\\\a_{18}=6\cdot18-10=108-10=98
You might be interested in
<img src="https://tex.z-dn.net/?f=2%28x%20-%201%29%20%2B%203%281%20-%202x%29%20%20%20%3D%205%20-%20x" id="TexFormula1" title="2(
tamaranim1 [39]

Answer:

x = -4/3

Step-by-step explanation:

2(x-1) +3(1-2x) = 5-x

Distribute

2x-2 +3 -6x = 5-x

Combine like terms

-4x +1 = 5-x

Add 4x to each side

-4x+4x +1 = 5-x+4x

1 =5+3x

Subtract 5 from each side

1-5 =5-5 +3x

-4 = 3x

Divide each side by 3

-4/3 = 3x/3

-4/3 =x

5 0
4 years ago
Read 2 more answers
Last year Kaitlin opened an investment account with $7600. At the end of the year, the amount in the account had increased by 6.
Doss [256]

The increase was: 494

7 0
3 years ago
Rotate shape A 90° clockwise with centre of rotation (0,0).
Neko [114]

Step-by-step explanation:

(3,3)====(3,-3)

(3,2)====(2,-3)

(5,2)====(2,-5)

8 0
3 years ago
A rectangular prism has a height of 12 centimeters and a square base with sides measuring 5 centimeters. A pyramid with the same
Ahat [919]
A rectangular prism is a cuboid so volume of cuboid is base area x height which is 5x5x12=300
volume of pyramid is 1/3 x base area x height = 5x5x6x1/3=50 thus volume outside pyramid and inside cuboid is 300-50=250
3 0
3 years ago
Read 2 more answers
What is the slope of the linear equation 5y – 10x = -15?
Nimfa-mama [501]

Answer:

C

Step-by-step explanation:

put it in slope intercept form

y=2x-3

2= slope

4 0
4 years ago
Other questions:
  • PLS HELP ME ASAP FOR 4, 5, and 6 (SHOW WORK!) + LOTS OF POINTS!
    5·2 answers
  • There are 3.76 x 10^22 tardigrades in 1gram of water. How many tardigrades are there in 600 grams of water?
    12·2 answers
  • 4.) A concert charges $24.50 per daily adult ticket and $13.75 per child's ticket. A group of 90 people paid $1560.00 for ticket
    10·1 answer
  • The top question plezzzzzzz zzzzzzzzz zzzzzzzzz zzzzzzzzz
    15·1 answer
  • Help!!!! fast!!!!!!!!!!!​
    8·2 answers
  • Which equation will result if the substitution method is used to solve the following
    15·1 answer
  • How to solve system of equation from a table
    6·1 answer
  • This table shows the ratio of daisies to roses.
    15·2 answers
  • I’m on a timer because I only have until tomorrow morning, please help me.
    5·1 answer
  • A discount clothing store is selling a $72 sports jacket for $60. What is the percent of discount?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!