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 Test Calculators and Practice Answers archive Word Problems Lessons In Depth

 Question 156691: AT 10 AM, Eve started out at 55 kilometers per hour to catch Adrienne, who had a one hour head start. If Eve was still 100 kilometers behind at 6 PM, how fast was Adrienne driving? Click here to see answer by gonzo(654)

 Question 156752: in 2006, about 25,500,000 children between the ages of 12 and 17 lived in the United States. That was about 8.3% of the entire U.S. population. find the approximate 2006 U.S.population Click here to see answer by nerdybill(6958)

 Question 156758: there are 145 girls and 160 boys who attend franklin ,iddle school. Based on thesurvey of Franklin Middle sachool students, 120 girls ans 140 boys participate in extraccuricular activities. A)which group of students at Franklin middle school, girls or boys, had a greaer perecent of extracurricular activity participation? B) How do the two groups compare to the survey of local middle schools? Click here to see answer by ankor@dixie-net.com(15651)

 Question 157012: hey i will greatly appreciate it if you could help me with this probability question: Two cards are drawn from a deck of 52 playing cards. Find the probability of each of the following events occuring: a) Both cards are clubs b) Both cards are red c) Both cards are queens d) Both cards are red queens Click here to see answer by gonzo(654)

 Question 157433: The Robinson family went to dinner. the bill came out to be \$230 including a 17% tip. what was the total amount of \$ due excluding the tip price? Click here to see answer by Earlsdon(6287)

 Question 157477: I need help solving this word problem; It says: Use 3.14 for pie A figure skater must trace a figure eight on the ice that consists of two perfect circles, each a radius 11ft. of How far does the skater go one time around the figure eight? Click here to see answer by Fombitz(13828)

 Question 157487: Factor completely by grouping. -36x^2 + 4x^2 - 80x Click here to see answer by jim_thompson5910(28595)

 Question 157543: hey I will really appreciate it if you could help me with this homework question: A coin is tossed 8 times. Calculate the probability of tossing a) 6 heads and 2 tails b) 7 heads and 1 tail c) at least 6 heads Click here to see answer by Fombitz(13828)

 Question 157549: at \$33 each, the shares owned by company co-founder jerry yang were valued at \$132 million. Use the equation 33p=132,000,000 to find out how many shares Mr.Yang owned Click here to see answer by checkley77(12569)

 Question 157548: at \$33 each, the shares owned by company co-founder jerry yang were valued at \$132 million. Use the equation 33p=132,000,000 to find out how many shares Mr.Yang owned Click here to see answer by checkley77(12569)

 Question 157780: What is a better way i can study with little amout of time left of the day? THANKS,BRITTNEY. Click here to see answer by nomad_55(6)

 Question 157787: The temperature, increased by 65 degree, is the same as 5 times the temperature decreased by 15 degree. Find the temperature Click here to see answer by nomad_55(6)

 Question 157857: hey i will really really appreciate it if you could help me with this probability distribution question: On a multiple-choice test of 10 questions, each question has 5 possible answers. A student is certain of the answers to 4 questions but is totally baffled by 6 questions. If the student randomly guesses the answers to those 6 questions, what is the probability that the student will get a score of 5 or more on the test? Express your answer correct to two decimal places. Click here to see answer by edjones(7569)

 Question 157871: hey i would highly appreciate it if you could help me with this complex probability question: A choir consists of 20 girls and 15 boys. A committee of 4 people is selected from the choir. a) What is the probability that there are only boys on the committee? b) What is the probability that there is at least 1 boy on the committee? c) What is the probability that there are exactly 3 girls on the committee? Click here to see answer by gonzo(654)
 Question 157871: hey i would highly appreciate it if you could help me with this complex probability question: A choir consists of 20 girls and 15 boys. A committee of 4 people is selected from the choir. a) What is the probability that there are only boys on the committee? b) What is the probability that there is at least 1 boy on the committee? c) What is the probability that there are exactly 3 girls on the committee? Click here to see answer by scott8148(6628)

 Question 158376: Solve the following linear system using elimination: 3x+3y=15 5x-5y=15 Click here to see answer by checkley77(12569)

 Question 158373: Write the equation of a line in point-slop form: Has a slope of 2/3 and passes through the point (1,-5) Click here to see answer by checkley77(12569)

 Question 158701: write 55 over 8 as a mixed numeral 55/8 = 6 7/8(as a mixed fraction Click here to see answer by anjamini(3)

 Question 159027: for how many integral values of M is m2(m square) 100m + 1000is a perfect squre Click here to see answer by Alan3354(30993)

 Question 159194: hey, please i have a question on one of my word problem, what is the smallest possible total of a number and its square? i will be waiting for the answer, and thank you Click here to see answer by stanbon(57342)

 Question 159195: hi, could you please give me the equations/solutions for these questions, thanks, 1. the sum of two number is 20. what is the least possible sum of their squares? 2. what number exceeds its square by the greatest amount? i will be waiting. thank you Click here to see answer by Alan3354(30993)

 Question 158375: Solve the following using elimination: y=-2x +5 3x-2y=4 Click here to see answer by Alan3354(30993)

 Question 159242: hey, could you please solve this problem for me. and thank you. A rectangular field is to be enclosed and divided into two sections by a fence parallel to one of the sides using a total of 600 m of fencing. what is the maximum area that can be enclosed and what dimensions will give this area? i will be waiting for your answer, and thank you, Click here to see answer by ankor@dixie-net.com(15651)

 Question 158374: Write the equation of the line below in slope-intercept form and standard form: Is parallel to y=x+2 and passes through the point (1,-4) Click here to see answer by Alan3354(30993)

 Question 159538: four hot dogs and soft drink costs \$6.30, whereas one hot dog and four soft drinks cost \$4.20. What is the total cost of one hot dog and one soft drink Click here to see answer by midwood_trail(310)

 Question 159536: if x+2y+3z=53 and 3x+2y+z=52 what is the value of x+y+z? Click here to see answer by ankor@dixie-net.com(15651)

 Question 160319: hey, could you please solve this problem for me, and thanks, A rectangle, 3cm longer than it is wide, has a diagonal 15cm long. find the dimensions fo the rectangle. i will be waiting for the answer, thank you again, Click here to see answer by Edwin McCravy(8909)
 Question 160319: hey, could you please solve this problem for me, and thanks, A rectangle, 3cm longer than it is wide, has a diagonal 15cm long. find the dimensions fo the rectangle. i will be waiting for the answer, thank you again, Click here to see answer by checkley77(12569)

 Question 160307: hey, i have a 2 word problems and could you please solve it for me, and thanks. 1. find two consecutive integers with a product 56. 2. The sum of the squares of two consecutive integers is 145. find the integers. i will be waiting for the solutions and thank you again. Click here to see answer by checkley77(12569)

 Question 160333: hey, could you please solve the following two problem for me, and thanks, 1. What number and its square differ by 20? 2. The hypotenuse of a right triangle is 29 cm. If the other two sides differ by 1 cm, what are their lengths? i will be waiting for the solutions, and thank you again. Click here to see answer by checkley77(12569)

 Question 158372: Find the slop and y-intercept of the following lines: 4x+16y=12 by putting the equation in slope-intercept form. (This is what i got so far): 16y=4x+12 Slope=4 Click here to see answer by Alan3354(30993)

 Question 160346: hey, could you please solve the following question, thanks, The graph of function y= x^2 - kx + k + 8 touches the x-axis at one point. What is the value of k? I will be waiting for the solution, and thanks again, Click here to see answer by stanbon(57342)
 Question 160346: hey, could you please solve the following question, thanks, The graph of function y= x^2 - kx + k + 8 touches the x-axis at one point. What is the value of k? I will be waiting for the solution, and thanks again, Click here to see answer by ankor@dixie-net.com(15651)

 Question 160428: Factor using ac method 4z^2 - 5z - 6 Click here to see answer by jim_thompson5910(28595)

 Question 161171: A manager bought 12 pounds of peanuts for \$30. He wants to mix \$5 per pound cashews with the peanuts to get a batch of mixed nuts that is worth \$4 per pound. How many pounds of cashews are needed? Click here to see answer by checkley77(12569)

 Question 161174: According to the IRS (Internal Revenue Service, www.irs.gov), a single taxpayer with a taxable income over \$319,100 in 2004 paid \$92,592.50 plus 35% of the amount over \$319,100. If Glen paid \$255,836 in federal income tax for 2004, then what was his taxable income for 2004? Click here to see answer by gonzo(654)

 Question 161475: (11x+3y)(x+4y) I tried to do the foil method 11x^2+44xy+3yx+12y^2 Click here to see answer by jim_thompson5910(28595)

 Question 161477: (5y^2w^2+z)(2y^3 w^2+3z) I tried to use the foil method but I got lost Click here to see answer by jim_thompson5910(28595)

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