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Question 91571: Which of the following numbers are integers? 3,2/3,-3,101.1,-5/7
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Click here to see answer by mathispowerful(115)

Question 92131: Find the perimeter and Area of a square with sides of 3 inches
Click here to see answer by anraymer(35)

Question 92129: In a weekend baseball game tournament, Joel had 4 hits in 13 times at bat. That is he hit safely 4/13 of the time. Write the decimal equivalent for Joels hitting, rounding, to three decimal places. (Than number is Joels batting average)
Click here to see answer by anraymer(35)

Question 92132: -3 = n over 6 + 9
Click here to see answer by anraymer(35)

Question 91988: [25 divided (2 to the power of 3 -3)].2
Click here to see answer by checkley71(8403)

Question 92383: b to the power of 2 minus 2bc+c to the power of 2=
Click here to see answer by stanbon(75887)

Question 92372: It is estimated that the earth is loosing 4000 species of plant and animal every year. If S represents the number of species living last year how many species are on earth this year?
Click here to see answer by stanbon(75887)

Question 92937: The median of a set of 9 consecutive integers is 42. What is the greatest of these 9 integers?
Click here to see answer by psbhowmick(878)

Question 92937: The median of a set of 9 consecutive integers is 42. What is the greatest of these 9 integers?
Click here to see answer by Earlsdon(6294)

Question 92940: If 20 percent of x equals 80 percent of y, which of the following expresses y in terms of x?
(A) y = 16% of x
(B) y = 25% of x
(C) y = 60% of x
(D) y = 100% of x
(E) y = 400% of x
Click here to see answer by psbhowmick(878)

Question 93017: If the average (arithmetic mean) of x and y is k, which of the following is the average of x, y, and z?
(A) 2k + z/3
(B) 2k +z/2
(C) k+z/3
(D) k+z/2
(E) 2(k+z)/3
Click here to see answer by stanbon(75887)

Question 93278: How many cubical blocks, each with edges of length 4 centimeters, are needed to fill a rectangular box that has inside dimensions 20 centimeters by 24 centimeters by 32 centimeters?
Click here to see answer by Nate(3500)

Question 93277: If x + 3 = a, then 2x+ 6 =
(A) a + 3
(B) a + 6
(C) 2a
(D) 2a + 3
(E) 2a + 6
Click here to see answer by checkley75(3666)

Question 93307: One number is 3 less than another. If 10 times the smaller number minus 3 times the larger number is 33, find the two numbers.
Click here to see answer by scoribritos(3)

Question 93328: Write an english version of the following equations;
a) 2x-5=x+1
b) 2(x+2)=14
c) n+5=n/2-6
d) 7-3a = 5+a
Click here to see answer by tutordave(1)

Question 93327: Write an algebraic equation for the english statement "subtract 5 from the sum of x and 7 times and the result is 20

Click here to see answer by checkley75(3666)

Question 93365: Write an algebraic equation for the english statement. "Subtract 5 from the sum of x and 7 times 3 and the result is 20.
I came up with -5+6 = 7x3=20
I don't know if this is written in the right equation, please help!
Click here to see answer by praseenakos@yahoo.com(507)

Question 93367: Write an english version of the following equations;
a) 2x-5=+1 to write this in english I came up with two x is less than 5 plus one more. ( I know this is not right, I need help with these)
b) 2(x+2)=14
c) n+5=n/2-6
d) 7-3a=5+a
I don't know how to translate these into english word problems, help please as you can see I messed up A bad!!!
Click here to see answer by jayanthihemkos@yahoo.com(87)

Question 93450: When the positve even integer n is increased by 50 percent of itself, the result is between 10 and 20. What is one possible value of n?
Click here to see answer by checkley75(3666)

Question 93451: A school ordered $600 worth of lightbulbs. Some of the lightbulbs cost $1 each and the others cost $2 each. If twice as many $1 bulbs as $2 bulbs were ordered, how many lightbulbs were ordered altogehter?
Click here to see answer by checkley75(3666)

Question 93457: If 4(x+y)(x-y) = 40 and x - y = 20, what is the value of x + y?
Click here to see answer by checkley75(3666)

Question 93456: The perimeter of a rectangular plot of land is 250 meters, what is the area of the plot, in square meters?
Click here to see answer by checkley75(3666)

Question 93625: 5(x-8)-(x+6)=18
Click here to see answer by checkley75(3666)

Question 93447: If the areas of two regions are equal and the sum of the areas of the regions is 5, what is the average (arithmetic mean) of the areas of the two regions?
Click here to see answer by edjones(8007)

Question 93654: If 0 (less then and equal to) x (less than and equal to 8 and -1 (less than and equal to) y (less than and equal to) 3, which of the following gives the set of all possible values of xy?
(A) xy = 4
(B) 0 (less than and equal to) xy (less than and equal to) 24
(C) -1 (less than and equal to) xy (less than and equal to) 11
(D) -1 (less than and equal to) xy (less than and equal to) 24
(E) -8 (less than and equal to) xy (less than and equal to) 24
Click here to see answer by stanbon(75887)

Question 93655: After the first term, each term in a sequence is 3 greater than 1/3 of the preceeding term. If t is the first term of the sequence and t (cannot be = to) 0, what is the ratio of the second term to the first term?
(A) t+9/3
(B) t+3/3
(C) t+9/3t
(D) t+3/3t
(E) 9-2t/3
Click here to see answer by stanbon(75887)

Question 93652: A bag contains only red marbles, blue marbles, and yellow marbles. The probability of randomly selecting a red marble from this bag is 1/4, and the probability of randomly selecting a blue marble is 1/6. Which of the following could be the total number of marbles in the bag?
(A) 10
(B) 12
(C) 18
(D) 20
(E) 30
Click here to see answer by stanbon(75887)

Question 93649: In a rectangular coordinate system, the center of a circle has coordinates (5,12), and the circle touches the x-axis at one point only. What is the radius of the circle?
Click here to see answer by praseenakos@yahoo.com(507)

Question 93646: Let S be the set of all integers that can be written as , where n is a nonzero integer. Which of the following integers is in S?
Answer is... 16, 28, 35, 39, or 50 ?
Click here to see answer by stanbon(75887)

Question 93681: 12x+20=6(x+4)
Click here to see answer by praseenakos@yahoo.com(507)

Question 93680: 5(x-4)-1=-7x+3
Click here to see answer by praseenakos@yahoo.com(507)

Question 93678: 6n - 7 = 2n + 17
Click here to see answer by praseenakos@yahoo.com(507)

Question 93674: 3x - 8(3-x) = 53
Click here to see answer by praseenakos@yahoo.com(507)

Question 93672: 2( x + 4 ) - 5( x - 3 ) = 32
Click here to see answer by praseenakos@yahoo.com(507)

Question 93692: 8=-8x+4(4+2x)
Click here to see answer by praseenakos@yahoo.com(507)

Question 93694: -4(2n-5)=-8n-20
Click here to see answer by praseenakos@yahoo.com(507)

Question 93689: 2x+4(x+1)=6(x+2/3)
Click here to see answer by praseenakos@yahoo.com(507)

Question 93686: 8t+11-6t=5t+35
Click here to see answer by praseenakos@yahoo.com(507)

Question 93673: 1/3(2x-7)=4
Click here to see answer by jayanthihemkos@yahoo.com(87)

Question 93784: If a, b, c, and f are four nonzero numbers, then all of the following proportions are equivalent EXCEPT
(A) a/f = b/c
(B) f/c = b/a
(C) c/a = f/b
(D) a/c = b/f
(E) af/bc = l/l
Click here to see answer by stanbon(75887)

Question 93751: If a and b are positive integers and (a^1/2 b^1/3)^6 = 432, what is the value of ab?
Click here to see answer by ankor@dixie-net.com(22740)

Question 94170: HELP! I am showing you all of my work,
if I am the one making a mistake,
please point it out to me,
or,
this is a typo and needs to be addressed!
I have been stumped all day with two questions:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Factor completely.
b�-ab-6a�
A) (b + 3a)(b � 2a)
B) (b + 6a)(b � a)
C) (b � 3a)(b + 2a)
D) (b � 6a)(b + a)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
(b�)-(ab)-(6a�)
Remove the parenthesis around the expression b�.
b�-(ab)-(6a�)
Multiply -1 by the ab inside the parenthesis.
b�-ab-(6a�)
Multiply -1 by the 6a� inside the parenthesis.
b�-ab-6a�
Reorder the polynomial b�-ab-6a�
alphabetically from left to right,
starting with the highest order term.
-6a� - ab + b�
Answer:
-6a� - ab + b�
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Factor.
50x3 � 90x2
A) 50x2(x � 90)
B) �10x2(�5x � 90)
C) �50x(x2 � 90x)
D) �10x2(�5x + 9)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
(90x�)-(50x�)
Remove the parenthesis around the expression 90x�.
90x�-(50x�)
Multiply -1 by the 50x� inside the parenthesis.
90x�-50x�
Reorder the polynomial 90x�-50x�
alphabetically from left to right,
starting with the highest order term.
-50x�+90x�
Factor out the GCF of -10x� from the expression -50x�
-10x�(5x)+90x�
Factor out the GCF of -10x� from the expression 90x�.
-10x�(5x)-10x�(-9)
Factor out the GCF of -10x� from -50x�+90x�.
-10x�(5x-9)
Answer:
-10�(5x-9)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Click here to see answer by checkley75(3666)

Question 94348: how are the expressions 3 to the 4th power and 4 to the 3rd power diffrent??
Click here to see answer by checkley71(8403)

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, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045, 18046..18090, 18091..18135, 18136..18180, 18181..18225, 18226..18270, 18271..18315, 18316..18360, 18361..18405, 18406..18450, 18451..18495, 18496..18540, 18541..18585, 18586..18630, 18631..18675, 18676..18720, 18721..18765, 18766..18810, 18811..18855, 18856..18900, 18901..18945, 18946..18990, 18991..19035, 19036..19080, 19081..19125, 19126..19170, 19171..19215, 19216..19260, 19261..19305, 19306..19350, 19351..19395, 19396..19440, 19441..19485, 19486..19530, 19531..19575, 19576..19620, 19621..19665, 19666..19710, 19711..19755, 19756..19800, 19801..19845, 19846..19890, 19891..19935, 19936..19980, 19981..20025, 20026..20070, 20071..20115, 20116..20160, 20161..20205, 20206..20250, 20251..20295, 20296..20340, 20341..20385, 20386..20430, 20431..20475, 20476..20520, 20521..20565, 20566..20610, 20611..20655, 20656..20700, 20701..20745, 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