Questions on Algebra: Numeric Fractions answered by real tutors!

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Question 1135938: how many positive odd numbers can be formed from the digits 2,3,4,5,6 if no digit is to be repeated in a given number
48
120
130
None
Click here to see answer by math_helper(2461)

Question 1135941: If x=√5+√3 then the value of x-1/x will be
0.5(√5+3√3)
0.5(3√5+2√3)
None
Click here to see answer by Alan3354(69443)

Question 1136528: If z=3 is a solution of the equation 5z^2+kz-30=0 the value of k and other solution of the equation are respectively
-5 and 2
-5 and -2
5 and 2
Click here to see answer by josmiceli(19441)

Question 1136531: In the xy coordinate plane a straight line l contains the points (4,2) and origin. If another straight line m contains (1,2) and is perpendicular to l then the equation of m is
Y=-2x
Y=-2x+4
Click here to see answer by josgarithmetic(39616)

Question 1136529: If 1/x=4 and y=-6 then the value of y in terms of x is
-3/2x
3/2x
-2x/3
Click here to see answer by josmiceli(19441)

Question 1136529: If 1/x=4 and y=-6 then the value of y in terms of x is
-3/2x
3/2x
-2x/3
Click here to see answer by greenestamps(13198)

Question 1136532: Old-Tyme Fashions specializes in hats modelled after fashions from the past. It purchases these hats for $42 each. It can provide a custom service to print the new owner’s name on the hatband. The printing machine costs $243 per month to rent. If Old-Tyme sells the hats at a price of $69 each, how many does it need to sell to break even?
Click here to see answer by ikleyn(52776)

Question 1136581: Parma is considering the expansion of her picture-framing business to include the printing of oversize pictures. She would need to lease equipment, at a cost of $417 per month. To process the pictures, she estimates that she would have supplies expenses of $3 per picture. If she can sell 60 pictures per month, what price should she charge to break even?
Click here to see answer by ikleyn(52776)

Question 1136678: The number of real roots of the equation x^2-4x+4=0 is
1
2
3
4
Click here to see answer by Alan3354(69443)

Question 1136678: The number of real roots of the equation x^2-4x+4=0 is
1
2
3
4
Click here to see answer by ikleyn(52776)

Question 1136680: If one root of the equation x^2-px+20=0 is four, while the equation x^2-qx+20=0 has equal roots then, then a possible value of q is
3
4
5
6
Click here to see answer by ikleyn(52776)

Question 1136685: : If one root of the equation x^2-px+20=0 is four, while the equation x^2-qx+p=0 has equal roots then, then a possible value of q is
3
4
5
6
Click here to see answer by ikleyn(52776)

Question 1136677: The value of q for which the difference between the roots of the equation x^2-qx+8=0 is 2 are
+-2
+-4
+-6
+-8
Click here to see answer by ikleyn(52776)

Question 1136677: The value of q for which the difference between the roots of the equation x^2-qx+8=0 is 2 are
+-2
+-4
+-6
+-8
Click here to see answer by greenestamps(13198)

Question 1136744: the sum of two numbers is 15 the difference is 7

Click here to see answer by Alan3354(69443)

Question 1136788: Form the quadratic equation in t whose roots are 2+-√11
t^2+4t+7=0
t^2+4t-7=0
t^2-4t-7=0
Click here to see answer by greenestamps(13198)

Question 1136779: The following information is available from the accounting records of Eva Corporation. Fixed costs per period are $4800. Sales volume for the last period was $19,360, and variable costs were $13,552. Capacity per period is a sales volume of $32,000.
(i)what is the total contribution margin
Click here to see answer by Theo(13342)

Question 1137536: A numerator is 3 less than the denominator. If each is increased by one, the new fraction is 10/11. What is the original fraction?
Click here to see answer by ankor@dixie-net.com(22740)

Question 1137618: 2/ab + 5/4b =
Click here to see answer by ankor@dixie-net.com(22740)

Question 1137695: Would appreciate your help to solve this question.
÷ b =
Find value of b as a fraction
Click here to see answer by josgarithmetic(39616)

Question 1137697: ÷ __ =
Please give the answer as a fraction.
Click here to see answer by josgarithmetic(39616)

Question 1137761: A chlorine atom has a net charge of zero. What is the net charge on the chlorine atom after it gains an electron with a charge of -1?
Click here to see answer by ikleyn(52776)

Question 1137762: Tim bought 128 sandbags to completely fill a cube-shaped sandbox. Each bag fills a cubic foot in the sandbox. What is the length in feet of one of the sides of the sandbox?
Click here to see answer by MathLover1(20849)

Question 1137763: The mass of the planet Jupiter is approximately 1.8981 X 10^27 kilograms. The mass of the planet Venus is approximately 4.8673 x 10^24 kilograms. About how many times larger is the mass of Jupiter than that of Venus?
Click here to see answer by MathLover1(20849)

Question 1137764: the speed of light is approximately 3x10^8 meters per second. While solving a problem Cara used 3x10^10 meters per second for the speed of light and got the incorrect answer. By which factor should Cara multiply her answer in order to get the correct answer?
Click here to see answer by josgarithmetic(39616)

Question 1137765: A large glass marble made in West Virginia has a diameter of 2x10^-2 meters. The state of west Virginia is about 4x10^5 meters. Which number is closest to how many large glass marbles it would take to measure the length of West Virginia?
Click here to see answer by MathLover1(20849)

Question 1137773: A spaceship traveled at a speed of 5,000 miles per hour for 30,000 hours. How many miles, written in scientific notation did this spaceships travel?
Click here to see answer by josgarithmetic(39616)

Question 1137778: Lincoln High School's basketball team won the regional playoffs scoring a total of 60 points no including free throws. The team made a total of 26 baskets some were 2-points shots and the rest were 3-points shots. How many 2-point shots did the team make?
Click here to see answer by greenestamps(13198)

Question 1137775: At which point do the graphs of the equation below intersect?
9x+ y=4
-6x+2y=-4
Click here to see answer by josgarithmetic(39616)

Question 1137775: At which point do the graphs of the equation below intersect?
9x+ y=4
-6x+2y=-4
Click here to see answer by MathTherapy(10551)

Question 1137776: Two customers entered kim's bakery at the same time. One of them bought 7 bagels and 5 doughnuts and paid $7.35. The other customer bought 4 bagels and 5 doughnuts and paid $ 6.40. What is the price of each bagel and each doughnut?
Click here to see answer by greenestamps(13198)

Question 1137777: On Sunday 440 people visited a museum that charges $9 for child and $12.50 for each adult. If the museum earned $5,220 on that day, how many adults visited the museum on Sunday?
Click here to see answer by josgarithmetic(39616)

Question 1137943: Please help me solve this system of equations:
y=2x+1
y=4/7x +1

Click here to see answer by josgarithmetic(39616)

Question 1137943: Please help me solve this system of equations:
y=2x+1
y=4/7x +1

Click here to see answer by Theo(13342)

Question 1138050: If
N=K,
G=O,
D=Q,
T=C,
R=F,
I=Y,
O=U,
L=J
What is:
ROTN IOG
Click here to see answer by Edwin McCravy(20054)

Question 1138058: Paul has a collection of nickels and dimes that has a total value of $12.50. He has 150 coins in all. How many dimes does Paul have?
Click here to see answer by josgarithmetic(39616)

Question 1138056: Two customers entered Kim's bakery at the same time. One of them bought 7 bagels and 5 doughnuts, and paid $7.35. The other customer bought 4 bagels and 6 doughnuts and paid $6.40. What is the price of each bagel and each doughnut?
Click here to see answer by josgarithmetic(39616)

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