Questions on Algebra: Sequences of numbers, series and how to sum them answered by real tutors!

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Question 1160769: Is it D? I want to check my answer.
What is the degree of Vertex E?

A. 3
B. 1
C. 2
D. 4

The graph for the question and the question itself are in the link here: https://i.imgur.com/Z9TRR4f.png
Click here to see answer by MathLover1(20850)

Question 1160778: Is it B? I want to check my answers.
Which Vertices have MULTIPLE EDGES?
A. Vertex A and Vertex E
B. Both A and B
C. Vertex A and Vertex D
D. Vertex B and Vertex C

The graph for the question and the question itself are in the link here: https://i.imgur.com/EvCiRkQ.png
Click here to see answer by MathLover1(20850)

Question 1160793: Is it B? I want to check my answers.
Which Vertices have MULTIPLE EDGES?
A. Vertex A and Vertex E
B. Both A and B
C. Vertex A and Vertex D
D. Vertex B and Vertex C

The graph for the question and the question itself are in the link here: https://i.imgur.com/EvCiRkQ.png
Click here to see answer by greenestamps(13200)

Question 1160875: If 4/3, m,1,n....... Is GP, the product of m and n is ?
Click here to see answer by ikleyn(52788)

Question 1160921: A quarter is tossed 7 times
How many different sequences of outcomes are possible?
Click here to see answer by ikleyn(52788)

Question 1160921: A quarter is tossed 7 times
How many different sequences of outcomes are possible?
Click here to see answer by saw(34)

Question 1160977: Which is the cost of a minimum spanning tree of the weighted graph using Kurskal's Algorithm?
A. 30
B. 31
C. 28
D. 40

The question is provided in the link here: https://i.imgur.com/FngP2bs.png
Click here to see answer by MathLover1(20850)

Question 1160770: Is it B? I want to check my answers.
Which Vertices have MULTIPLE EDGES?

A. Vertex A and Vertex E
B. Both A and B
C. Vertex A and Vertex D
D. Vertex B and Vertex C

The graph for the question and the question itself are in the link here: https://i.imgur.com/EvCiRkQ.png

Click here to see answer by MathLover1(20850)

Question 1160993: Is it 0.1091? I'm not sure.

Trudy has a collection of 11 dice, 4 of which have twelve sides.
If Trudy randomly rolls 4 dice in a specific order, what is the probability that just the first 2 of the chosen dice have twelve sides?
Write your answer as a decimal rounded to four decimal places.
Click here to see answer by ikleyn(52788)

Question 1160980: Trudy has a collection of 11 dice, 4 of which have twelve sides.
If Trudy randomly rolls 4 dice in a specific order, what is the probability that just the first 2 of the chosen dice have twelve sides?
Write your answer as a decimal rounded to four decimal places.
Click here to see answer by ikleyn(52788)

Question 1161033: If a sequence is defined recursively by f(1)= -2 and f(n-1) = 3(n-1)-4, then find the first 4 terms of the sequence?
Click here to see answer by ikleyn(52788)

Question 1161060: in an arithmetic series t10 is 7 times the value of t3. The sum of the first 30 terms is 2460. determine the value of t6.
Click here to see answer by greenestamps(13200)

Question 1161108: The sequence 2, 3, 5, 6, 7, 10, ... consists of all counting numbers which are neither perfect squares nor perfect cubes. Find the 75th term of this sequence.
Click here to see answer by Alan3354(69443)

Question 1161116: The counting numbers are written one after another without any spaces: 1234567891011121314151617181920… . What digit is in the 2020th position?
Click here to see answer by ikleyn(52788)

Question 1161120: If a⊕ b=a3−b, and c=101010101010101010 is an 18-digit number, what is c⊕ (c ⊕ c)?
Click here to see answer by greenestamps(13200)

Question 1161152: If a⊕ b=a^3−b, and c=101010101010101010 is an 18-digit number, what is c⊕ (c ⊕ c)?
Click here to see answer by solver91311(24713)

Question 1161155: Write an equation for the nth term of the given arithmetic sequence. - 14, - 30, - 46, - 62,
Click here to see answer by Boreal(15235)

Question 1161225: A child wishes to build up a triangular piles of toy bricks so as to have one brick In the top flow, 2 in the second, 3 in the third and so on . if he has 100 bricks, how many rows can complete and how many bricks has he left
Click here to see answer by josgarithmetic(39618)

Question 1161223: A mans salary in 1975 was N2000.00 per year and it increased by 10% each year. Find how much he earned in the years up to 1984 both years inclusive.
Click here to see answer by ikleyn(52788)

Question 1161258: S is an arithmetic series.
S12 = 150
S25 = 875
What is the value of S40? Round to 2 decimal places.
Click here to see answer by MathLover1(20850)

Question 1161258: S is an arithmetic series.
S12 = 150
S25 = 875
What is the value of S40? Round to 2 decimal places.
Click here to see answer by MathTherapy(10552)

Question 1161390: A bouncing tennis ball rebounds each time to a height one-half the height of the previous bounce. if it is dropped from a height of 10m ,find:
a. The total distance it has travelled when it hits the ground for the 10th time,
b. The total distance it travels before coming to rest
Click here to see answer by KMST(5328)

Question 1161389: A man is able to save N50.00 of his salary in a certain year and afterwards saves in any one year N20.00 more than he saved in the preceding year. how long does it take him to save N4370.00?
Click here to see answer by Boreal(15235)

Question 1161224: A man is able to save #50.00 of his salary in a certain year and afterwards saves in any one year #20.00 more than he saved in the preceding year. How long does it take him to save #4370.00?
Click here to see answer by Boreal(15235)

Question 1161482: Next number in the sequence 0, 8, 24, 36, 18 and why?
Click here to see answer by greenestamps(13200)

Question 1161482: Next number in the sequence 0, 8, 24, 36, 18 and why?
Click here to see answer by Edwin McCravy(20056)

Question 1161482: Next number in the sequence 0, 8, 24, 36, 18 and why?
Click here to see answer by ikleyn(52788)

Question 1161495: Consider the sequence 24, 23 1\4, 22 1/2, ...
which term of the sequence is -36
Click here to see answer by MathLover1(20850)

Question 1161495: Consider the sequence 24, 23 1\4, 22 1/2, ...
which term of the sequence is -36
Click here to see answer by ikleyn(52788)

Question 1161589: Is it D? I chose D as my answer, but my assignment said it was wrong.
Which of the following is a Hamiltonian Circuit, beginning at vertex A, for the given graph?
A. ADBCA
B. ABCDA
C. ACBDA
D. all of the above

The graph for the question and the question itself are in the question here: https://i.imgur.com/TCEqxzO.png
Click here to see answer by greenestamps(13200)

Question 1161632: Is it D? I know it's not 1/16 and 1/8.
Use the tree diagram from example 10 in the task. What is the probability that a student will get all the answers wrong?
A. 1/16
B. 1/2
C. 1/8
D. 0

The video link is provided in the link here: https://gofile.io/d/TJ1dd0
The question itself are in the question here: https://i.imgur.com/UTfZ0Ky.png
Click here to see answer by solver91311(24713)

Question 1161640: The first and the last term of an A.P are 21 and -47 respectively if the sum of the sequence is given is -234, calculate (I)the number of terms in the A.P (ii)the common difference (iii)the sum of the first is term
Click here to see answer by josgarithmetic(39618)

Question 1161645: Is it B? I know it's not 1/16 and 1/8.
Use the tree diagram from example 10 in the task. What is the probability that a student will get all the answers wrong?
A. 1/16
B. 1/2
C. 1/8
D. 0

The video link is provided in the link here: https://gofile.io/d/TJ1dd0
The question itself are in the question here: https://i.imgur.com/UTfZ0Ky.png'
Click here to see answer by ikleyn(52788)

Question 1161662: 56,09,39,44,40,24,3
What will be the next number and how

Click here to see answer by ikleyn(52788)

Question 1161716: Find the nth term of the given sequence 4, -3, -10, -17.....

Click here to see answer by math_helper(2461)

Question 1161724: 2, 2, 4, 18, 136, 1350, x
Click here to see answer by ikleyn(52788)

Question 1161809: Is it B? I'm checking my answers.
Damian is paid $1,980 monthly. What is his annual salary?
A. $165
B. $23,760
C. $47,520
D. $102,960
The question is provided in the link here: https://i.imgur.com/Z2bSAj9.png
Click here to see answer by ikleyn(52788)

Question 1161903: 1 2 3 3 6 4 10 5
Click here to see answer by greenestamps(13200)

Question 1161968: What is the next number of the series
2,4,7,9,4,0,9,6,4,_ ?
The number will be between 0 to 9

Click here to see answer by ikleyn(52788)

Question 1162121: What is the difference between geometric and arithmetic sequences?
Click here to see answer by Edwin McCravy(20056)

Question 1162121: What is the difference between geometric and arithmetic sequences?
Click here to see answer by ikleyn(52788)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790