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Question 202847: The pH of a substance is 5.342. The [H30+] is?
a. 4.55E-06 moles/liter
b. 5.342E05 moles/liter
c. 2.1979E05 moles/liter
d. 2.1979E-05 moles/liter
Click here to see answer by scott8148(6628)

Question 202878: The difference of two numbers is -8 and the product is 20. The smallest number is?
Click here to see answer by MathTherapy(1480)

Question 202917: A and B bought stocks with equal sums of money; A gained a sum equal to 1/5 of his stock ; B lost $200, and now B he has only ½ as much as A ; how much original money did each have ?
Click here to see answer by solver91311(17077)

Question 202918: A farmer sold 17 bushels of barley, and 13 bushels of wheat, for $31.55 ; he received for the wheat 35 cents a bushel more than for the barley ; what was the price of each per bushel ?
Click here to see answer by ankor@dixie-net.com(15746)

Question 202916: Four girls, Ann, Bobbie, Cathy, and Deb, have $1100; Ann has a certain sum, Bobbie has twice as much as Ann, Cathy has $800, and Deb has $200 more than Cathy; how many dollars has Ann?
Click here to see answer by solver91311(17077)

Question 203032: Find 2 consecutive even integers whose sum is 126.

Click here to see answer by vleith(2825)

Question 203048: It takes 414 digits to number the pages of a book with integers.If the page numbering starts with 1 and continues sequentially,what is the final page number?
Click here to see answer by scott8148(6628)

Question 203148: The sum of two numbers is 88. Three times the smaller equals twice the larger number,plus 29. Find the numbers.
Click here to see answer by Earlsdon(6294)

Question 203146: What is the last digit of this number: 3^14 - 1 ?
Click here to see answer by jsmallt9(3296)

Question 203182: The sum of the digit of a 2-digit number is 7. If 27 is added to the number, the result is expressed by the digits in reverse order. Find the number
Click here to see answer by ankor@dixie-net.com(15746)

Question 203187: The products of three pairs of numbers are equal. One number in the second pair is 2 bigger, and one in the third pair is 3 bigger, than the first number in the first pair. The other numbers in the second and third pairs are respectively 15 and 18 less than second number of the first pair. Find each pair.
Click here to see answer by ankor@dixie-net.com(15746)

Question 203192: The positive difference between the squares of two consecutive positive even integers is 52. What is the larger integer?
Click here to see answer by jsmallt9(3296)

Question 203183: The difference of the reciprocals of two numbers is 11⁄6. If large number is divided by smaller, the result is 1⅞ . Find the numbers.
Click here to see answer by jsmallt9(3296)

Question 203255: A certain number is added to 20, and the same number is also added to 21; the product of the two sums is 930. What is the number ?
Click here to see answer by ankor@dixie-net.com(15746)

Question 203296: a car rental agency advertised renting a luxury, full size car for $29.95 per day and $0.29 per mile. if you rent this car for 2 days, how many whole miles can you drive if you only have $200 to spend?
Click here to see answer by Earlsdon(6294)

Question 203306: What is the value of the sum –1 + 2 – 3 + 4 – 5 + 6 – 7 …+10,000?

Click here to see answer by stanbon(57962)

Question 203312: the units of a two digit number is 4 more than the tens digit.IF the no. is 3 less than 4 times the sun of the digits.Find the no.
Click here to see answer by MathTherapy(1480)

Question 203353: The sum of the first n odd numbers is n^2.The sum of the first 30 odd numbers is
a)60 b) 90 c)300 d)900
Click here to see answer by Earlsdon(6294)

Question 203331: An integer X has the following properties
1) X is a multiple of 17 2) X is less than 1000 3) X is one less than a multiple of 8.
What is the largest possible value of X?
Click here to see answer by rfer(12729)

Question 203725: 2x+y=3,y=4

Click here to see answer by tina_wood(5)

Question 203727: 1.twice a number x added to one half equals nine
2.threee fourths a number is nine
3.nine divided by a number is equal to three
4.six minus a number divided by two is equal to twenty one
5.six times a number x less four is equal to eight

Click here to see answer by jejess(7)

Question 203726: 1.twice a number x added to one half equals nine
2.threee fourths a number is nine
3.nine divided by a number is equal to three
4.six minus a number divided by two is equal to twenty one
5.six times a number x less four is equal to eight

Click here to see answer by tina_wood(5)

Question 203654: Each of the digits 3, 4, 6, 7, 8 and 9 is used once and only once to form asix-digit integer. What is the largest six-digit multiple of 4 that can be formed?
Click here to see answer by scott8148(6628)

Question 203853: Find 4 consecutive odd integers whose sum is 117.

Click here to see answer by jsmallt9(3296)

Question 204010: 1. Claire is one year older than her sister Nancy. Nancy is three years older that her sister Sheila. Sheila is one year older than her brother David. David is five years older than his brother Mike. The sume of the five siblings is 120 years. Find the age of each sibling.
Click here to see answer by rfer(12729)

Question 204042: 1000 raffle tickets are sold at $3 each. One grand prize of $100 and two consolation prizes of $75 will be awarded. Find Jake’s expectation if he purchases one ticket.
A) -$2.75 B) -$3.00 C) $0.24 D) $2.75 E) $3.00

Click here to see answer by Edwin McCravy(8999)

Question 204036: The difference of two numbers is 16. Three-fourths of the larger number is 14 larger than one-half of the smaller number. Find the numbers.
Click here to see answer by ankor@dixie-net.com(15746)

Question 204124: The price of concert tickets was $8 for students and $10 for nonstudents. There are 1500 tickets sold for a total of $12,300. How many student tickets were sold?
Click here to see answer by rfer(12729)

Question 204160: how to solve this question using algebraic formula: There are 26 heads and 74 legs, how many chicken and sheep in the farm?
Click here to see answer by Alan3354(31515)

Question 204160: how to solve this question using algebraic formula: There are 26 heads and 74 legs, how many chicken and sheep in the farm?
Click here to see answer by ichudov(499)

Question 204160: how to solve this question using algebraic formula: There are 26 heads and 74 legs, how many chicken and sheep in the farm?
Click here to see answer by MathTherapy(1480)

Question 204235: the fish has a head 9 inches long The tail is equal to the size of the head plus one-half the size of the body The body is the size of the head plus the tail how long is the fish?
Click here to see answer by ankor@dixie-net.com(15746)

Question 204326: what 2 digit number is equal to twice the product of its digits?
Click here to see answer by RAY100(1637)

Question 204383: Go into an orchard
In which there are three gates
Thro’ all of which you must pass
Take a certain number of apples
To the first gate keeper I give half of that number & half an apple
To the second gate keeper I give half of what remain and half an apple
To the third gate keeper I give half of what remain and half an apple
And yet I never cut one Apple

Determine the smallest number of apples Coleridge could start with and fulfill all the stated conditions.

Click here to see answer by Earlsdon(6294)

Question 204422: One integer is two more than another. The sum of the lesser integer and twice the greater is 7. What is the greater integer?
Click here to see answer by Earlsdon(6294)

Question 204441: Solve and check the following systems by substitution. Show steps. Check both equations.
(7x – 3y = -2 )
( x = (_) y + 1)

Click here to see answer by Alan3354(31515)

Question 204470: Classify the following systems of equations as consistent, inconsistent, or dependent WITHOUT using any of the previous methods. (graphing, elimination, substitution)
(4x + 3y = 7 )
(2x – y = 10)

Click here to see answer by stanbon(57962)

Question 204525: need help urgent!
1. The one's digit of a two-digit number is three more than twice the ten's digit. the sum of one-third the number and ten is the number itself. What is the number?
2. The one's digit of a 2-digit number is one more than twice the ten's digit. if the number is reversed, the resulting number is two more than twice the original number. What is the original number?
Click here to see answer by ankor@dixie-net.com(15746)

Question 204692: find two consecutive odd integers such that twice the lager is 17 more than the smaller
Click here to see answer by checkley77(12569)

Question 204763: When one-half of a number is added to one-fourth of the number, the sum is twenty-one. What is the number?
Click here to see answer by LaMias_Way(2)

Question 204831: x1..Use the distributive property to remove the parentheses.
9(v – 2)

2.
Holly paid 7% sales tax and a disposal charge of $16 when she bought new tires for her car. The total cost was $259.96. If x represents the price of the new set of tires, then x satisfies x + 0.07x + 16 = 259.96. Find the price of her new set of tires.

3.
Solve for T: PV = nRT
Thank you!

Click here to see answer by rfer(12729)

Question 204829: Translate the verbal expression into an algebraic expression:
The difference of n and the square of k

Click here to see answer by Alan3354(31515)

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