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
Nata [24]
3 years ago
5

Find the first, fourth, and eighth terms of the sequence a(n)= -3*2^n-1

Mathematics
2 answers:
mel-nik [20]3 years ago
8 0
Simple, plug in 1, 4, and 8 for n and solve.
-3×2^{1-1}=-3
-3×2^{4-1}=-24
-3×2^{8-1}=-384

So answer choice C
Lynna [10]3 years ago
5 0

The correct answer is c.

You might be interested in
Solve for r.<br> –5 ≥ 5 (r+5)
aleksandr82 [10.1K]

Answer:

-6 ≥ r

Step-by-step explanation:

–5 ≥ 5 (r+5)

Divide each side by 5

–5/5 ≥ 5/5 (r+5)

–1 ≥  (r+5)

Subtract 5 from each side

-1-5 ≥ r+5-5

-6 ≥ r

5 0
3 years ago
What is 73x28 regrouping method
finlep [7]
Let this guide you through

3 0
3 years ago
A fish-tank has a length of 27 centimeters, a width of 21 centimeters and a depth of 16 centimeters. Find the volume of the fish
NISA [10]

Answer:

To find the volume of the fish tank, we will need to multiply the height, the length, and the width of the fish tank. So, 21 x 27 x 16 = 9072 cm

8 0
3 years ago
Read 2 more answers
Twenty-two is what percent of 55<br><br> A) 22%<br> B) 40%<br> C) 50%<br> D) 250%
Mashutka [201]

Answer:

twenty two percent of 55 would be the answer B.40 I think.

4 0
3 years ago
An arithmetic sequence is represented in the following table. Enter the missing term of the sequence.
bija089 [108]

a_1=-9\\\\a_2=a_1-8\to a_2=-9-8=-17\\\\a_3=a_2-8\to a_3=-17-8=-25\\\\a_4=a_3-8\to a_4=-25-8=-33\\\\\text{The general term of an arithmetic sequence:}\\\\a_n=a_1+(n-1)d\\\\a_1-first\ term\\d-common\ difference\\\\\text{We have}\ a_1=-9\ \text{and}\ d=-8.\ \text{Substitute:}\\\\a_n=-9+(n-1)(-8)=-9-8n+8=-8n-1\\\\\text{Put n = 43 and calculate}\ a_{43}\\\\a_{43}=-8(43)-1=-344-1=-345\\\\Answer:\ \boxed{?=-345}

4 0
3 years ago
Other questions:
  • Nadia selects three marbles from the jar to the right without replacing them. What is the probability that all three marbles are
    8·1 answer
  • The coordinates of a quadrilateral are (1,3),(7-3),(1,-9) , and (-5,-3). What shape is formed? Select all that apply
    10·2 answers
  • How can x-2/3=5/6 be solved for x in one step?
    7·2 answers
  • HELP PLEASE 98 points
    11·1 answer
  • Bill is doing a fundraiser for soccer. He needs to sell at least $100 worth of items. Candy bars cost $2 each and shirts cost $1
    12·1 answer
  • What is the solution to the system of equations 6x+2y=6 7x+3y=5
    10·1 answer
  • when added to the number that is produced by doubling the number x the result is equal to 8 times the number that is 5 less than
    10·2 answers
  • Review the graph of function f(x), which is defined for –4 &lt; x ≤ 2.
    9·1 answer
  • If the diameter of a circle is 80 ft., find the area A 5,024 ft2 B 20,096 ft2 C 251.2 ft2 D 125.6 ft2
    13·1 answer
  • Slope-intercept form of the line that goes through the points (-9, 10) and (-7, 2)
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!