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

Tutors Answer Your Questions about Sequences-and-series (FREE)

Question 790409: The aritimetic mean of two numbers is 5 and the geometric mean is 4. Which of the following are the numbers? Indicate all correct options.

Click here to see answer by mananth(16946)

Question 790481: Solve:
3 ( (-5) + 7) + ((19-7)/4)

Click here to see answer by Cromlix(4381)

Question 790518: Given the sequence of first differences: 8, 10, 12, 14 find the first six terms of the original sequence if the sum of the third and fourth terms of the original sequence is 40
Click here to see answer by solver91311(24713)

Question 791019: In a benefit show, a number of wealthy men agreed that the first one to arrive would pay 100 php to enter and each later arrival would pay twice as much as the preceding man. The total amount collected from all of them was 6553500 php. How many wealthy men paid?
Click here to see answer by josgarithmetic(39618)

Question 791126: find the first 3 terms and the 50th term given by the nth term 6n-4.
Click here to see answer by oscargut(2103)

Question 791221: What come Next in the series 98,14,2,2/7
Click here to see answer by jim_thompson5910(35256)

Question 791171: do you have boobs
Click here to see answer by Alan3354(69443)

Question 791284: 14-(4�2)+3

Click here to see answer by DrBeeee(684)

Question 791334: hey what is the expression for this pattern 3,9,19,33,51,73
Click here to see answer by KMST(5328)

Question 791990: Find the missing term in the following sequence: 4, 9, 19, __, 79
Click here to see answer by rfer(16322)

Question 792053: In an arithmetic sequence the 8th term is twice the 4th term and the 20th term is 40. Find the common difference and the sum of the terms from 8th to the 20th inclusive..
Click here to see answer by mananth(16946)

Question 792317: Find the difference between
15 5/8 and 6 7/12

A patient with high blood pressure who weighs 219 pounds is put on a diet to lose 19 pounds in 3 months. The patient loses
6 3/4 pounds the first month and 10 1/2
pounds the second month. How much weight must be lost the third month for the goal to be achieved?
Click here to see answer by rfer(16322)

Question 792361: for the following arithmetic sequences, find a and d and state the formula for the general term. Don't forget to simplify! 36, 31, 25, 21
Click here to see answer by josgarithmetic(39618)

Question 792576: The sum of two numbers a and b is 12, and a is 5 more than b. What is the value of a ?
Click here to see answer by harpazo(655)

Question 792645: After driving 73 miles, you will have 13 gallons of gas remaining in the gas tank. If you drive another 116 miles you will have 9 gallons left.
What is your rate in MPG?
How many miles can be driven on 4 gallons?
How many total miles would you have driven when there was only 7 gallons left in the gas tank?
Click here to see answer by rfer(16322)

Question 792704: please help me solve and break down the steps of the following equation...
5+B(7^2+15)=16*12+4^2-8*6
Click here to see answer by stanbon(75887)

Question 792730: Given the arithmetic sequence 2, 6, ...
If t(0) is the first term find a formula for t(n).
Click here to see answer by psbhowmick(878)

Question 792838: Solve for x. -(1+7x)-6(-7-x)=36
Click here to see answer by Astarilus Flora(3)

Question 793025: Monday: 91 miles
Tuesday: 85 miles
Wednesday: 82 miles
Thursday: 69 miles
Friday: 53 miles
What was his average-per-day distance traveled for the week?

Click here to see answer by MathLover1(20850)

Question 793077: 1/3�, 5/18, 2/9,1/6, what is the next fraction in the sequence?
Click here to see answer by rfer(16322)

Question 793156: I need help solving the following questions, I cannot do them for the life of me.
14 x - 4(9 x - 40) = 345 (solving for x)
5.25 x^4 � 8 = 15 (solve for x)

Click here to see answer by mananth(16946)

Question 793192: Use algebraic equation/s to find three consecutive integers whose sum is 33.
Click here to see answer by MathLover1(20850)

Question 793188: How many natural number between 1000 and 1999 (both exclusive) have atleast one of their digit is repeated?
Click here to see answer by KMST(5328)

Question 793343: Sum of 1/7 of (-15) and 3/14 of (-8)?
Click here to see answer by Cromlix(4381)

Question 793760: The first term of an Ap is 11 while the last term is 144. If the common difference is 7 find the number of term it has
Click here to see answer by mananth(16946)

Question 793851: The product of 8 and one-half a number is 64. What is the number?
Click here to see answer by waynest(281)

Question 794347: What is the next number in the sequence 8,7,6,4,5..?
Click here to see answer by stanbon(75887)

Question 794975: The length of a rectangle is 6 inches more than three times the width. The perimeter is 92 inches. Find the length and widt
Click here to see answer by stanbon(75887)

Question 795083: What are the next 3 numbers after these numbers 17 38 33 54 49
Click here to see answer by rfer(16322)

Question 795220: 16, 06, 68, 88, ?, 98
Click here to see answer by Edwin McCravy(20056)

Question 795259: 16,06,68,88,x,98. Find x?
Click here to see answer by Edwin McCravy(20056)

Question 795263: the length of a rectangular mailing label is 4 cm less than twice the width. find the dimensions of the label if the perimeter is 46cm
Click here to see answer by Cromlix(4381)

Question 795476: sum 2+5+10+17+....... to n terms
Click here to see answer by AnlytcPhil(1806)

Question 795520: A day before a day before yesterday 3 days after Saturday. What is today?

Click here to see answer by DEEPAK K(3)

Question 795502: i need to find the general term for the sequence 0.2,0.22,0.222,0.2222..................
Click here to see answer by rothauserc(4718)

Question 795746: Find the sum of 182 and 48
Click here to see answer by Alan3354(69443)

Question 795910: In an A.P,the difference between the 8th and 4th term is 20 and the 8th is one and half times the 4th term...what is the common difference and the first term. Email add: caniosdesk@gmail.com
Click here to see answer by MathTherapy(10552)

Question 796306: what is the sum of 5i, -9-7i, and 4?
Click here to see answer by Alan3354(69443)

Question 796347: what are the next 2 terms in the following sequence 1,8,27,64

Click here to see answer by solver91311(24713)

Question 796378: Find the 10th term of a series in Arithmetic series, whose sum to n terms is 3n+4n2(4 n squared)?
Click here to see answer by solver91311(24713)

Question 796191: How many terms of the arithmetic progression 24,22,20 are needed to give the sum of 150?
Click here to see answer by KMST(5328)

Question 796637: Find the sum of 1/10+1/40+1/88+...+1/4062108.

Click here to see answer by psbhowmick(878)

Question 796695: 01:10 to 17:40 how many hrs between said hrs . please give me excel formula
Click here to see answer by Alan3354(69443)

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