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Question 1172204: Eric wishes to mix together some common stone worth $0.10 per kilogram and some granite chips worth $0.15 per kilogram to produce a decorative garden mixture. How much of each stone should be mixed to obtain 300 kg of a mixture worth $0.13 per kilogram?

Click here to see answer by josgarithmetic(39617)

Question 1172278: How many gallons of paint costing $9.30 a gallon should be mixed with 10 gallons of paint costing $12.00 a gallon to product a blend worth$10.20 a gallon ?

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Question 1172279: How many gallons of water must be added to 6 gallons of an 80% alcohol solution to obtain a 60% solution? and i will tell my friends about this site
Click here to see answer by josgarithmetic(39617)

Question 1172281: An automobile radiator contains 18 quarts of a solution which is 20% alcohol and 80% water. How much of the solution
must be drained off and replace by pure alcohol to give a solution which is 30 alcohol?
Click here to see answer by ikleyn(52781)

Question 1172280: How many quarts of an 80% alcohol solution must be added to 10 quarts of a 50% alcohol solution to give a 70% solution?
Click here to see answer by josgarithmetic(39617)

Question 1172280: How many quarts of an 80% alcohol solution must be added to 10 quarts of a 50% alcohol solution to give a 70% solution?
Click here to see answer by MathTherapy(10552)

Question 1172280: How many quarts of an 80% alcohol solution must be added to 10 quarts of a 50% alcohol solution to give a 70% solution?
Click here to see answer by greenestamps(13200)

Question 1172349: Solve the question.
(a) Find eigen value corresponds to eigne vector [3 2]t for M = [1 -3]
[-2 2]
(b) If matrix M = [6 10]. Find trace of M power 4.
[-2 -3]
(c) Which one of them is toplpgical property?
(i) Boundedness (ii) Cauchey Sequence (iii) Completeness
(iv) Limit or Accumulation point (v) Length
(d) At what point ln(x)/x has point of inflection?
(e) If f(x) = x^3 - 2x and Xo = 2 is initial approximatio. What is the next approximation to the zero of f(x) according to the Newton Method?
Click here to see answer by ikleyn(52781)

Question 1172688: A grocer mixes chocolates worth 360 pesos per kilo with chocolate worth 400 pesos per
kilo, making a mixture to sell at 372 pesos per kilo. If he mixes 50 kilos total, how many
kilos of each kind does he use?

Click here to see answer by ikleyn(52781)

Question 1172664: Element X is a radioactive isotope such that it’s mass decreases by 11% every year. If an experiment starts out with 530 grams of Element X, write a function to represent the mass of the sample after t years, where the quarterly rate of change can be found from a constant in the function. Round all coefficients in the function to four decimal places. Also, determine the percent rate of change per quarter, to the nearest hundredth of a percent.
Function: f(t)= ____ (___) ^ __
____ <- growth or decay?
____ % <- increase per quarter
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Question 1172957:
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Question 1172961: A chemist makes a mixture of concentrated hydrochloric acid and distilled water so that the ratio of acid to water is 4 to 3. If he starts with 20 liters of acid, how much water is mixed with the acid?
Click here to see answer by josgarithmetic(39617)

Question 1172636: Solve the following non exact ordinary differential equation:
(xy² - y)dx + xdy = 0.
[Hint: Use Rule 1 to 4 to check the validity of exactness]
Click here to see answer by math_helper(2461)

Question 1173039: a toltal) A total of $5000 was invested
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Question 1173077: When five is subtracted from four times a certain number the remainder is divided by three and the result becomes seven. What is the number?

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Question 1173226: a metalworker has a metal alloy that is 20% copper and another alloy that is 60% copper. How many kilograms of each alloy should the metalworker combine to create 100 kg of a 44 % copper alloy?
Click here to see answer by Boreal(15235)

Question 1173292: Explain why graphically, you only get "half of a quadratic" when graphing the inverse of a square root function.
Click here to see answer by Solver92311(821)

Question 1173323: How many grams of soil supplement that cost P280 per kilogram must be mixed with 20 kg of aluminum nitrate that costs P140 per kilogram to make a fertilizer that P180 per kilogram?
Click here to see answer by ikleyn(52781)

Question 1173324: How many grams of chocolate worth P600 per kg must be mixed with 10 jg of chocolate worth P450 per kilogram to produce a moxture worth P500 per kilogram?
Click here to see answer by ikleyn(52781)

Question 1173806: 1:Billy Fortuna earns both $11.45/hour and a 10% commission on all sales. During the most recent week, he worked 47 hours and made total sales of $8,800.
Gross Pay =
Click here to see answer by josgarithmetic(39617)

Question 1173809: Find the inverse algebraically of f(x)=-sqrt{x+2}-4.

Click here to see answer by ewatrrr(24785)

Question 1173810: Given f(x) = sqrt{x} which equation represents the graph after a horizontal shrink of 1/3 and a horizontal translation 2 units left?
Click here to see answer by Edwin McCravy(20055)

Question 1173877: A snack food is made by mixing 4 lb of popcorn that costs $0.80 per pound with caramel that costs $2.90 per pound. how much caramel is needed to make a mixture that costs $1.70 per pound?
Click here to see answer by josgarithmetic(39617)

Question 1173975: in the lab, Amanda has two solutions that contain alcohol and is mixing them with each other. She uses 4 times as much Solution A as Solution B. Solution A is 17% alcohol and Solution B 14% is alcohol. How many milliliters of Solution B does she use, if the resulting mixture has 574 milliliters of pure alcohol?
Click here to see answer by ikleyn(52781)

Question 1173978: Juan invested his savings in two investment funds. The $6,000 that he invested in Fund A returned a 10% profit. The amount that he invested in Fund B returned a 3% profit. How much did he invest in Fund B, if both funds together returned a 6% profit?
amount invested in fund B?

Click here to see answer by ikleyn(52781)

Question 1173993: Two hundred ounces of juice that is 50% tomato juice are added to 100 oz of a vegetable juice that is 15% tomato juice. What is the percent concentration of tomato juice in the resulting mixture? (Enter your answer as a fraction)
Click here to see answer by Alan3354(69443)

Question 1174018: The amount of pure acid in 20 oz of 20 % acid solution is ? a)20%, b)25%, c)40%, OR d)60%.
Click here to see answer by ikleyn(52781)

Question 1174033: Topic: Inverses
Explain why graphically, you only get "half of a quadratic" when graphing the inverse of a square root function.
Click here to see answer by josgarithmetic(39617)

Question 1174123: Two cars start at the same time, but travel in opposite directions. One car's average speed is 60 miles per hour (mph). At the end of 5 hours, the two cars are 450 miles apart. Find the average speed in mph of the other car.
Click here to see answer by ikleyn(52781)

Question 1174238: Peanuts sell for $3.00 per pound. Cashews sell for $6.00 per pound. If the ratio of the amount of peanuts to the amount of cashews is 3 : 5, How much should be the price if they are mixed together? Round your answer to the nearest cents.

Click here to see answer by ikleyn(52781)

Question 1174236: How many liters of a 24 percent alcohol solution must be mixed with 20 liters of a 46 percent alcohol solution to get a 28 percent alcohol solution?

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

Question 1174237: A substance is 90% water. Some water evaporates, leaving a substance that is 80% water. What percent of the water evaporated? Omit the % sign, and express your answer as a decimal to the nearest tenth.

Click here to see answer by greenestamps(13200)

Question 1174234: Milk that has 4% butterfat is mixed with milk that has 2% butterfat. If the ratio of the amount of 4% milk to the amount of 2% milk is 5: 8, what is the percent of butterfat obtained in the mixture? Express your answer as a mixed number.

Click here to see answer by ikleyn(52781)

Question 1174235: A forester mixes gasoline and oil to make 2 gallons of mixture for his two-cycle chain-saw engine. This mixture is 32 parts gasoline and 1 part two-cycle oil. How much gasoline must be added to bring the mixture to 40 parts gasoline and 1 part oil? Express your answer as a common fraction.

Click here to see answer by greenestamps(13200)

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