Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 1181804: a+1/b+1 = 2....(1)
2a+1/2b+1 = 1/3....(2)

Click here to see answer by MathLover1(20849)

Question 1181804: a+1/b+1 = 2....(1)
2a+1/2b+1 = 1/3....(2)

Click here to see answer by greenestamps(13198)

Question 1181828: simplify |-3x+4x-2|
I get |4x-5| but my review says 11. can someone help? thank you.
Click here to see answer by josgarithmetic(39616)

Question 1181828: simplify |-3x+4x-2|
I get |4x-5| but my review says 11. can someone help? thank you.
Click here to see answer by greenestamps(13198)

Question 1181928: Consider the vector field F(x,y,z)=(−3y,−3x,4z). Show that F is a gradient vector field F=∇V by determining the function V which satisfies V(0,0,0)=0.
V(x,y,z)= My answer is -(3y^2/2)-(3x^2/2)+4z but it is wrong
Click here to see answer by ikleyn(52776)

Question 1181937: I need help writing an equation for this word problem please.
Text: https://imgur.com/a/QodQNDF
Click here to see answer by Boreal(15235)

Question 1181971: Consider the sequence:
an :2, 6,18,− −54,162,...

A: Find the next 3 terms.
B: Decide if this sequence is arithmetic, geometric, or neither. Neither. The terms cant be extended Justify your answer.
C: Find a formula for an [the nth term].

Click here to see answer by josgarithmetic(39616)

Question 1181969: Which if any of the following numbers are solutions to a2 − = +3 5a 33? − −9, 4,0, 13,4,9
Click here to see answer by josgarithmetic(39616)

Question 1181970: If a Math book currently costs $45 but there has been 4% inflation per year for the prior 5 years, what was the cost of the Math book 5 years ago?
Click here to see answer by josgarithmetic(39616)

Question 1181968: A rectangular storage room has dimensions 10 feet by 14 feet by 30 feet.

What is the longest distance a moth could fly in a straight line inside this room? [you’ll need to use a certain Theorem - twice]

Click here to see answer by Boreal(15235)

Question 1181948: During training, a hurdler wants to raise the height of the hurdlers from the high school standard of 39 inches to the NCAA standard of 42 inches. His best race from last lesson included a clear over 39-inch hurdle that was modeled by h(t)=(-0.025t)(t-25), where t is time (in tenths of a sec) after his lead led left the track and h is the height (in feet)
a. If he runs as well as his best race last year, will this hurdler clear the new height? Why or why not
b. Why must the quadratic term in this model have negative coefficient?
Click here to see answer by Boreal(15235)

Question 1182016: Please help me! I need to know what an equivalent expression of this would be
-m(2m+2n)+3mn+2m^2 (to the second power at the end in case my use of keys may be wrong!)
Thanks!!
Click here to see answer by MathLover1(20849)

Question 1182043: The stream of water from a fountain follows a parabolic path, modeled by the function
f(x) = -1/4x^2 + 6x + 3, where x is the time elapsed in seconds, and h(x) is the height in feet.
The number 3 in the function represents (in context of the problem)
Click here to see answer by ikleyn(52776)

Question 1182042: The stream of water from a fountain follows a parabolic path, modeled by the function
f(x) = -1/4x^2 + 6x + 3, where x is the time elapsed in seconds, and h(x) is the height in feet.
The number 3 in the function represents (in context of the problem)
Click here to see answer by ikleyn(52776)

Question 1182040: The path of a breaching ocra whale can be modeled by the function k(x) = x^2 - 2x - 8, where x is the time elapsed in seconds under water, and k(x) is the height in ft below the water.
Determine HOW LONG is the ocra (killer) whale underwater to the nearest second.
Work needs to be shown for me to get the mark
Click here to see answer by htmentor(1343)

Question 1182064: write the standard form of the equation sketch the graphs 4x² - y² =16
Click here to see answer by ikleyn(52776)

Question 1182072: Anthony Tedesco sold his used mountain bike and accessories for $308. If he received six times as much money for the bike as he did for the accessories, find how much money he received for the bike.
Click here to see answer by ikleyn(52776)

Question 1182071: The annual snowfall in city A is 56 inches. This is 14 inches more than six times the snowfall in city B. Find the annual snowfall for city B.
Click here to see answer by ikleyn(52776)

Question 1182070: A large bluefin tuna caught by fishing boat A in the Atlantic Ocean weighed 1403 pounds. This is 637 pounds less than 6 times the weight of a bluefin tuna caught by fishing boat B in the Atlantic Ocean. Find the weight of the tuna caught by fishing boat B in the Atlantic Ocean.
Click here to see answer by ikleyn(52776)

Question 1182091: please help me solve

Click here to see answer by MathLover1(20849)

Question 1182092: please help me solve
2x+2y=15
0.3x-0.2y=3
Click here to see answer by MathLover1(20849)

Question 1182101: 8y-9x>2,(7,19)

Is the ordered pair a solution of the inequality?
Click here to see answer by ikleyn(52776)

Question 1182103: A swimming pool manufacturer installs rectangular pools whose length is twice the width, plus 5 m.
The entire outer edge of the pool must be filled with coping, which is a cap used to join the wall of the pool and the deck. Find a simplified algebraic expression that describes the total length of coping needed.
Click here to see answer by ikleyn(52776)

Question 1182119: A large bluefin tuna caught by fishing boat A in the Atlantic Ocean weighed 1318 pounds. This is 432 pounds less than 5 times the weight of a bluefin tuna caught by fishing boat B in the Atlantic Ocean. Find the weight of the tuna caught by fishing boat B in the Atlantic Ocean.
Click here to see answer by ikleyn(52776)

Question 1182122: A 27 pound bag of grass seed holds 21 pounds less than 8 smaller bags of seed. Find the weight of the smaller bag of seed.
Click here to see answer by ikleyn(52776)

Question 1182121: The larger of two numbers is nine more than four times the smaller number. The sum of the two numbers is sixty-nine. Find the two numbers.
Click here to see answer by ikleyn(52776)

Question 1182124: annual snowfall in city A is 39 inches. This is 11 inches more than
four times the snowfall in city B. Find the annual snowfall for city B.
Click here to see answer by ikleyn(52776)

Question 1182120: A geometric puzzle has a triangular puzzle piece with a perimeter of 44 centimeters. The length of the second side is double the first side. The length of the third side is 12 centimeters longer than the first side. Find the length of each side.
Click here to see answer by ikleyn(52776)

Question 1182129: Please help me solve
(1-2x)(x+2)
Click here to see answer by josgarithmetic(39616)

Question 1182032: ∫_(9,−8,−5)^(10,−5,0)28x^3y^3z^4dx+21y^2x^4z^4dy+28z^3y^3x^4dz=
Click here to see answer by greenestamps(13198)

Question 1182223: A group of boys desiring to group a team to buy a ball. If there had been 3 boys fewer, each would have paid one dollar more; and if there had been 4 boys more, each would have paid 75 cents less. Find the cost of the ball.

->Please help me how to solve this problem step by step.. Thanks in advance!!
Click here to see answer by greenestamps(13198)

Question 1182235: Tasha Spellman owns two small appliance parts shops. This year the telephone bill for her Hesperia shop was $630 less than twice the telephone bill for her Diamond Springs shop. The total telephone expense for both shops was $1989. What was the cost of each shop's telephone service for the year?
The yearly bill for the Diamond Springs shop was $
The yearly bill for the Hesperia shop was $
nothing.
Click here to see answer by mananth(16946)

Question 1182244: A geometric puzzle has a triangular puzzle piece with a perimeter of 43 centimeters. The length of the second side is double the first side. The length of the third side is 7 centimeters longer than the first side. Find the length of each side.
Click here to see answer by Boreal(15235)

Question 1182249: The larger of two numbers is eight more than three times the smaller number. The sum of the two numbers is fifty-two. Find the two numbers.
Click here to see answer by Boreal(15235)

Question 1182287: True or False?
f^-1(x) = 1/f(x)
Click here to see answer by Edwin McCravy(20054)

Question 1182290: Find the width of the rectangle, if the area of the rectangle is 54 cm2. The area A of a rectangle is given by the formula A=LW, where L is the length and W is the width.
Click here to see answer by ikleyn(52776)

Question 1182293: g(x) = (x-2)^2
find the range of g(x) Hint: You may want to graph this on your calculator!
Click here to see answer by josgarithmetic(39616)

Question 1182292: f(x)=3-2x
find the domain of f(x). Hint: you may want to use a calculator!
Click here to see answer by josgarithmetic(39616)

Question 1182289: A large bluefin tuna caught by fishing boat A in the Atlantic Ocean weighed 1311 pounds. This is 729 pounds less than 6 times the weight of a bluefin tuna caught by fishing boat B in the Atlantic Ocean. Find the weight of the tuna caught by fishing boat B in the Atlantic Ocean.
Click here to see answer by josgarithmetic(39616)

Question 1182291: Patsy Wong owns two computer service shops. This year the telephone bill for her Summit shop was $580 less than twice the telephone bill for her Norton shop. The total telephone expense for both shops was $2060. What was the cost of each shop's telephone service for the year?
The yearly bill for the Norton shop was $?
The yearly bill for the Summit shop was $?
Click here to see answer by mananth(16946)

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, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 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20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 27136..27180, 27181..27225, 27226..27270, 27271..27315, 27316..27360, 27361..27405, 27406..27450, 27451..27495, 27496..27540, 27541..27585, 27586..27630, 27631..27675, 27676..27720, 27721..27765, 27766..27810, 27811..27855, 27856..27900, 27901..27945, 27946..27990, 27991..28035, 28036..28080, 28081..28125, 28126..28170, 28171..28215, 28216..28260, 28261..28305, 28306..28350, 28351..28395, 28396..28440, 28441..28485, 28486..28530, 28531..28575, 28576..28620, 28621..28665, 28666..28710, 28711..28755, 28756..28800, 28801..28845, 28846..28890, 28891..28935, 28936..28980, 28981..29025, 29026..29070, 29071..29115, 29116..29160, 29161..29205, 29206..29250, 29251..29295, 29296..29340, 29341..29385, 29386..29430, 29431..29475, 29476..29520, 29521..29565, 29566..29610, 29611..29655, 29656..29700, 29701..29745, 29746..29790, 29791..29835, 29836..29880, 29881..29925, 29926..29970, 29971..30015, 30016..30060, 30061..30105, 30106..30150, 30151..30195, 30196..30240, 30241..30285, 30286..30330, 30331..30375, 30376..30420, 30421..30465, 30466..30510, 30511..30555, 30556..30600, 30601..30645, 30646..30690, 30691..30735, 30736..30780, 30781..30825, 30826..30870, 30871..30915, 30916..30960, 30961..31005, 31006..31050, 31051..31095, 31096..31140, 31141..31185, 31186..31230, 31231..31275, 31276..31320, 31321..31365, 31366..31410, 31411..31455, 31456..31500, 31501..31545, 31546..31590, 31591..31635, 31636..31680, 31681..31725, 31726..31770, 31771..31815, 31816..31860, 31861..31905, 31906..31950, 31951..31995, 31996..32040, 32041..32085, 32086..32130, 32131..32175, 32176..32220, 32221..32265, 32266..32310, 32311..32355, 32356..32400, 32401..32445, 32446..32490, 32491..32535, 32536..32580, 32581..32625, 32626..32670, 32671..32715, 32716..32760, 32761..32805, 32806..32850, 32851..32895, 32896..32940, 32941..32985, 32986..33030, 33031..33075, 33076..33120, 33121..33165, 33166..33210, 33211..33255, 33256..33300, 33301..33345, 33346..33390, 33391..33435, 33436..33480, 33481..33525, 33526..33570, 33571..33615, 33616..33660, 33661..33705, 33706..33750, 33751..33795, 33796..33840, 33841..33885, 33886..33930, 33931..33975, 33976..34020, 34021..34065, 34066..34110, 34111..34155, 34156..34200, 34201..34245, 34246..34290, 34291..34335, 34336..34380, 34381..34425, 34426..34470, 34471..34515, 34516..34560, 34561..34605, 34606..34650, 34651..34695, 34696..34740, 34741..34785, 34786..34830, 34831..34875, 34876..34920, 34921..34965, 34966..35010, 35011..35055, 35056..35100, 35101..35145, 35146..35190, 35191..35235, 35236..35280, 35281..35325, 35326..35370, 35371..35415, 35416..35460, 35461..35505, 35506..35550, 35551..35595, 35596..35640, 35641..35685, 35686..35730, 35731..35775, 35776..35820, 35821..35865, 35866..35910, 35911..35955, 35956..36000, 36001..36045, 36046..36090, 36091..36135, 36136..36180, 36181..36225, 36226..36270, 36271..36315, 36316..36360, 36361..36405, 36406..36450, 36451..36495, 36496..36540, 36541..36585, 36586..36630, 36631..36675, 36676..36720, 36721..36765, 36766..36810, 36811..36855, 36856..36900, 36901..36945, 36946..36990, 36991..37035, 37036..37080, 37081..37125, 37126..37170, 37171..37215, 37216..37260, 37261..37305, 37306..37350, 37351..37395, 37396..37440, 37441..37485, 37486..37530, 37531..37575, 37576..37620, 37621..37665, 37666..37710, 37711..37755, 37756..37800, 37801..37845, 37846..37890, 37891..37935, 37936..37980, 37981..38025, 38026..38070, 38071..38115, 38116..38160, 38161..38205, 38206..38250, 38251..38295, 38296..38340, 38341..38385, 38386..38430, 38431..38475, 38476..38520, 38521..38565, 38566..38610, 38611..38655, 38656..38700, 38701..38745, 38746..38790, 38791..38835, 38836..38880, 38881..38925, 38926..38970, 38971..39015, 39016..39060, 39061..39105, 39106..39150, 39151..39195, 39196..39240, 39241..39285, 39286..39330, 39331..39375, 39376..39420, 39421..39465, 39466..39510, 39511..39555, 39556..39600, 39601..39645, 39646..39690, 39691..39735, 39736..39780, 39781..39825, 39826..39870, 39871..39915, 39916..39960, 39961..40005, 40006..40050, 40051..40095, 40096..40140, 40141..40185, 40186..40230, 40231..40275, 40276..40320, 40321..40365, 40366..40410, 40411..40455, 40456..40500, 40501..40545, 40546..40590, 40591..40635, 40636..40680, 40681..40725, 40726..40770, 40771..40815, 40816..40860, 40861..40905, 40906..40950, 40951..40995, 40996..41040, 41041..41085, 41086..41130, 41131..41175, 41176..41220, 41221..41265, 41266..41310, 41311..41355, 41356..41400, 41401..41445, 41446..41490, 41491..41535, 41536..41580