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Question 1010633: Bacteria in a dish double the area they cover everyday. If the dish is fully covered after 25 days, on what day was 1/2 of it covered?
Click here to see answer by ikleyn(52781)

Question 1010632: Mother made 15 cookies. There are 10 cookies with raisins and 10 cookies with nuts. How many cookies have both cookies and nuts?
Click here to see answer by ikleyn(52781)

Question 1009346: Use the factor theorem to find the value of k if x+1 is a factor of x^13-2x^7+3x+k
Click here to see answer by fractalier(6550)

Question 1010915: Hello, can you help me with this problem please? A sidewalk in front of a house has 6 sections. Each section measures 6 ft. by 5 ft. A heavy snowfall dropped 3 inches of snow on the ground last night. If a person shoveled all the sidewalk in front of the house, how much snow would they shovel?

Click here to see answer by fractalier(6550)

Question 1011029: In 6 hours a boat, traveling with the current, covers 20 more mi than in 10 hours, traveling against the current. What is the speed of the current if the speed of the boat in still water is 15 mph?
Click here to see answer by josmiceli(19441)

Question 1011027: Two buses left town A for town B at the same time. The speed of one of the buses was 10 mph greater than the speed of the other bus. In 3 .5 hours one bus reached town B, while the other bus was away from town B at a distance equal 1/ 6 of the distance between A and B. Find the speed of the buses and the distance between A and B.
Click here to see answer by josmiceli(19441)

Question 1011041: How much wrapping paper would you need to cover a rectangle box that us 19 inches by 12 inches by 3 inches if you need 10% more wrapping paper than the surface area if the box? Round your answer to the nearest square inch.
Click here to see answer by josmiceli(19441)

Question 1011039: Find the volume and surface area of the following rectangular prism...
1. Length: 2.5 width: 1.5 height: 5
Volume____
Surface area _____
2. Length: 25/3 width: 3 height: 5/4
Volume____
Surface area ____
Click here to see answer by MathLover1(20849)

Question 1011042: After a maximum number of 5-cm plastic cubs are packed into a rectangular box measuring 33 cm by 22 cm by 20 cm, what's the volume of the space left in the box?
Click here to see answer by stanbon(75887)

Question 1011040: Kendra stores her craft tools in a plastic box that us shape orbs rectangular prism. The box is 8 inches long, 4 inches wide, and 3 inches tall. What is the surface area if the plastic box?
Click here to see answer by stanbon(75887)

Question 1008582: Sketch the graph of the parabola. find the coordinates of the vertex.
y=-x^2+2x-8
Click here to see answer by It is costly(175)

Question 1008578: Graph the quadratic equation by plotting points.
y=(x-1)^2
Click here to see answer by It is costly(175)

Question 1011096: The sun ocean company wants to lay down pipes under that will connect an on shore site to an off shore site. These two sites are 15 miles apart (by land) and the off shore site is 6 miles out in the water. Pipes that are laid under water cost 500,000$ and pipes that are laid underground cost 100,000$. Find the length of underground pipe, length of underwater pipe, and the total cost.
Click here to see answer by josgarithmetic(39617)

Question 1010661: sixty five percent of men consider themselves knowledgeable football fans. if 10 men are randomly selected, find the probability that exactly 6 of them will consider themselves knowledgeable fans.
Click here to see answer by iran math(2)

Question 1011050: A=I+2j+3k
Click here to see answer by Alan3354(69443)

Question 1011093: A cuboid has a rectangular front face with an are a of 47cm square an a ratio of the length of the cuboid to its width 4:3, whats the volume of the cuboid?
Click here to see answer by Alan3354(69443)

Question 1011338: If x can take any whole number value from 1 to 10, find the smallest possible value of x2-8x+25.
Click here to see answer by mathmate(429)

Question 1011338: If x can take any whole number value from 1 to 10, find the smallest possible value of x2-8x+25.
Click here to see answer by Theo(13342)

Question 1011336: When Samuel was 7, Claire was 34. Claire�s age is now double Samuel�s age. How old will Samuel be in 10 years?
Click here to see answer by macston(5194)

Question 1011335: A TV set costs �100 more than a DVD player. If the two of them cost a total of �654, find the cost of the TV set.
Click here to see answer by macston(5194)

Question 1011337: Colleen has three daughters. The sum of her daughters� ages is 13, and the product of their ages is 48. Find the ages of the daughters to the nearest year.
Click here to see answer by ikleyn(52781)

Question 1011043: A cuboid has a rectangular front face with an area of 47cm squared. If the side grace is a square and the ratio of the length of the cuboid to it's width is 4:3, what's the volume of the cuboid?
Click here to see answer by Alan3354(69443)

Question 1011457: Half an unknown number is the same as the number subtracted from 48. What is the number?
Click here to see answer by josgarithmetic(39617)

Question 1011456: Tim bought 4 packets of nails from the hardware store. He used ten nails to fix his gate, and put the remaining 50 nails in his toolbox. How many nails are there in each packet?
Click here to see answer by ikleyn(52781)

Question 1011462: Each day, Sam the dog drinks half of the water remaining in his bowl. His owner adds another 200 mL of water to the bowl. There was 500 mL of water in the bowl at the end of Thursday. How much water was in the bowl at the start of Wednesday?
Click here to see answer by Boreal(15235)

Question 1011458: Ashley brought some biscuits for morning tea at work. Her colleagues ate 79of them , then her boss came by and ate two biscuits. When Ashley came to eat some, there were only four left. How many biscuits did she bring for morning tea?
Click here to see answer by Boreal(15235)

Question 1011460: A Russian Blue kitten costs $150 more than a Manx kitten. 9 Russian Blue kittens and 8 Manx kittens cost $14 100 in total. Find the cost of:
a Russian Blue kitten
a Manx kitten

Click here to see answer by macston(5194)

Question 1011580: Juan has two sets of metallic balls. Each red ball weighs twice as much as each green ball. Juan knows that two red balls plus five grams is equal to three green balls plus eight grams. Find the weight of each red ball.
Click here to see answer by Boreal(15235)

Question 1011579: A pair of shoes costs �5 more than twice the cost of a tie. If Grant buys two pairs of shoes and three ties, the total cost is �255. Find the cost of:
a) a tie
b) a pair of shoes

Click here to see answer by harpazo(655)

Question 1011581: A 2-digit number is four times as large as the sum of it�s digits. Show that there are four possible numbers with this property.
Hint: The number with �ten� digit x and �units� digit y is 10x + y
Click here to see answer by MathLover1(20849)

Question 1011577: Nine more than a number is the same as a quarter of the number, subtracted from twenty-four. What is the number?
Click here to see answer by ikleyn(52781)

Question 1011577: Nine more than a number is the same as a quarter of the number, subtracted from twenty-four. What is the number?
Click here to see answer by MathLover1(20849)

Question 1011578: John can walk at 5 km/h and run at 15 km/h. A and B are two stops on a road. Both are 2 km from John�s home H. Draw a diagram.
a) The bus leaves from A in 15 minutes. How far can John walk from home before he has to run to catch the bus?
b) It takes the bus 3 minutes to travel from A to B. If John catches the bus at B, how much less running does John have to do?

Click here to see answer by Theo(13342)

Question 1011611: A motorcyclist and a cyclist travel from A to B. They leave simultaneously from A at 12 noon. The motorcyclist arrives at B after 1 � hours, and the cyclist arrives 30 minutes later. At what time was the cyclist twice as far from B as the motorcyclist was?
Click here to see answer by josgarithmetic(39617)

Question 1011610: A 6-digit number begins with a 1. However, if the 1 is put at the end of the number instead of at the start,
the resulting 6-digit number is 3 times the original number. Find the number.
Click here to see answer by ikleyn(52781)

Question 1011612: John can walk at 5 km/h and run at 15 km/h. A and B are two stops on a road. Both are 2 km from John�s home.
a) The bus leaves from A in 15 minutes. How far can John walk from home before he has to run to catch the bus?
b) It takes the bus 3 minutes to travel from A to B. If John catches the bus at B, how much less running does John have to do?

Click here to see answer by josgarithmetic(39617)

Question 1011621: John can walk at 5 km/h and run at 15 km/h. A and B are two stops on a road. Both are 2 km from John�s home.
a)The bus leaves from A in 15 minutes. How far can John walk from home before he has to run to catch the bus?
b)It takes the bus 3 minutes to travel from A to B. If John catches the bus at B, how much less running does John have to do?

Click here to see answer by ankor@dixie-net.com(22740)

Question 1011651: Rachel�s piggy bank consists of P10 and P5 coins only. If there are 75 coins worth P450, how many coins of each kind does she have?
Click here to see answer by Cromlix(4381)

Question 1011648: What time after 9:45 will the hands of the clock be in opposite directions?
Click here to see answer by Cromlix(4381)

Question 1011649: A car travelling at 48 kph overtakes a cyclist who is riding at 12 kph, has had a 3 hours head start. How far from the starting point does the car overtake the cyclist?
Click here to see answer by Alan3354(69443)

Question 1011653: A financial planner recommended that part of the client�s 600000 Pesos cash account be invested in preferred stock earning 9% annual simple interest. The remainder of the client�s cash was placed in Treasury bong earning 7% annual simple interest. The total annual interest earned from two investments was 51000 Pesos. Find the amount invested at each rate.
Click here to see answer by stanbon(75887)

Question 1011650: A goldsmith combined an alloy that costs 430 dollars per gram with an alloy that costs 180 dollars per gram. How many grams of each were used to make a mixture of 200 gram costing 250 dollars per gram?
Click here to see answer by stanbon(75887)

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