Questions on Algebra: Numeric Fractions answered by real tutors!

Tutors Answer Your Questions about Numeric Fractions (FREE)

Question 1132450: Sarah bought bananas,apples,pears.The ratio of bananas to apples was 3 to 5 and the ratio of apples to pears was 2 to 1.she bought 10 apples.how many pears did she buy?
20
15
10
5
Click here to see answer by Boreal(15235)

Question 1132452: The value of log256 16 is
Do solution without calculator
0.25
0.50
0.75
None
Click here to see answer by greenestamps(13198)

Question 1132451: If x=3+√5 then the value of x-1/x will be
3-√5
2.25+1.25√2
6
None
Click here to see answer by greenestamps(13198)

Question 1132451: If x=3+√5 then the value of x-1/x will be
3-√5
2.25+1.25√2
6
None
Click here to see answer by Boreal(15235)

Question 1132563: The manager of the video department at a department store plans to purchase a large number of DVDs of a recent movie. One supplier is selling boxes of 20 DVD movies for $230, and a second supplier is selling boxes of 10 DVD movies for $180. Only complete boxes of DVD movies can be purchased.
a) If the manager can purchase boxes of DVD movies from either or both suppliers, determine the maximum number of DVD movies that can be purchased for $415. Indicate how many boxes of 20 and how many boxes of 10 will be purchased
b) How much will the DVD movies cost?

Click here to see answer by greenestamps(13198)

Question 1132596: If p is the avg (arthemetic mean) of 3a and 7, q is the avg of 5a and 13, and r is the avg of 4a and 22, what is the average of p,q and r in terms of a?
3a+7
4a+10.5
2a+7
12a+42
Click here to see answer by rothauserc(4718)

Question 1132598: Rewrite cos(x+π/6) in terms of sin(x) and cos(x)

Click here to see answer by Boreal(15235)

Question 1132599: How many 3 digit positive integers exist that when divided by 3 leave a reminder of 2?
9
8
27
40
Click here to see answer by ikleyn(52777)

Question 1132599: How many 3 digit positive integers exist that when divided by 3 leave a reminder of 2?
9
8
27
40
Click here to see answer by MathTherapy(10551)

Question 1132599: How many 3 digit positive integers exist that when divided by 3 leave a reminder of 2?
9
8
27
40
Click here to see answer by MathLover1(20849)

Question 1132900: X³-2x/2x=x-1/3
X²-3x/x²=x/5x+4
Click here to see answer by Alan3354(69443)

Question 1133435: What should be added to 6x^3+13x^2+4x+20, so that it becomes exactly divisible by 2+x^2?
-8x+6
-8x-6
8x-6
8x+6
Click here to see answer by Alan3354(69443)

Question 1133442: Which expression is equivalent to 2log(4/x). show solution without calculator
(Log4-logx)^2
Log16-2logx
-2log4logx
None

Click here to see answer by josmiceli(19441)

Question 1133441: The value of√5(√35+√125). show solution without calculator
√5(5+2√31)
5(5+√7)
(√5+12)
None
Click here to see answer by MathLover1(20849)

Question 1133440: The inverse of A= 13 -4 is
3 1

Click here to see answer by MathLover1(20849)

Question 1133471: Log11 5 ÷ log11 15=? show solution without calculator
Click here to see answer by rothauserc(4718)

Question 1133471: Log11 5 ÷ log11 15=? show solution without calculator
Click here to see answer by MathTherapy(10551)

Question 1133471: Log11 5 ÷ log11 15=? show solution without calculator
Click here to see answer by greenestamps(13198)

Question 1133474: If (x^3-x^2-226x+1410) is divided by (x+17),then the remainder is.Show complete complete solution without calculator
20
30
40
50
Click here to see answer by josgarithmetic(39617)

Question 1133481: Find the value of x^4+1/x^4 when x+1/x=2.Show solution without calculator
2
4
8
16
Click here to see answer by Edwin McCravy(20054)

Question 1133476: Log11 5 ÷ log11 15=? show solution without calculator
Log11 15
Log11 5
Log5 15
Log15 5
None
Click here to see answer by MathLover1(20849)

Question 1133472: Find the value of x^4+1/x^4 when x+1/x=2. Show solution without calculator
Click here to see answer by ankor@dixie-net.com(22740)

Question 1133472: Find the value of x^4+1/x^4 when x+1/x=2. Show solution without calculator
Click here to see answer by ikleyn(52777)

Question 1133484:
Click here to see answer by ikleyn(52777)

Question 1133536: What should be added to 6x^3+13x^2+4x+20, so that it becomes exactly divisible by 2+x^2? Solve through synthetic division
-8x+6
-8x-6
8x-6
8x+6
Click here to see answer by MathLover1(20849)

Question 1133535: Let A=[1. 2
3. a] and B=[1. 1
b 3]
Under what condition AB=BA?
a=b=1
a=1.5 and b=5
a=5. and b=1.5
None
Click here to see answer by greenestamps(13198)

Question 1133483: Let A=[1. 2
3. a] and B=[1. 1
b 3]
Under what condition AB=BA?
a=b=1
a=1.5 and b=5
a=5. and b=1.5
None
Click here to see answer by greenestamps(13198)

Question 1133667: Mason poured 1/3 of an envelope of chocolate drink powder into 2/3 cups of water.

a. Write the unit rate as a complex fraction and simplify it.

b. What does the unit rate signify?

Thank you!

Click here to see answer by josgarithmetic(39617)

Question 1133685: If x=√5+√3 then the value of x-1÷x will be
0.5(√5+3√3)
0.5(3√5+2√3)
0.5(√5+2√3)
None
Click here to see answer by MathLover1(20849)

Question 1133685: If x=√5+√3 then the value of x-1÷x will be
0.5(√5+3√3)
0.5(3√5+2√3)
0.5(√5+2√3)
None
Click here to see answer by Edwin McCravy(20054)

Question 1133680: for what value of a will the system of equation 4x+12y=-5, -5x+ay=8 have no solution
-5
-15
12
None
Click here to see answer by josgarithmetic(39617)

Question 1133676: If f(x)=x^5+x^4-x^3-x^2 then the value f(x)+f(-x) is
2(-x^4+x^2)
2x^2(x+1)(x-1)
2(x^5-x^3)
None
Click here to see answer by josgarithmetic(39617)

Question 1133682: If sin A=6÷13 and sec B=13/6 then A+B is equal to
Show solution without calculator
150°
90°
60°
45°
Click here to see answer by greenestamps(13198)

Question 1133681: 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 greenestamps(13198)

Question 1133672: The highest common factor of three polynomials 12x^2+16xy+5y^2, 30x^2-11xy-30y^2 and 6x^2-xy-5y^2 is? Show solution step by step
Click here to see answer by MathLover1(20849)

Question 1133675: If x-y=8 and xy=7, then x^3-y^3=
Show solution step by step
660
670
680
690
Click here to see answer by greenestamps(13198)

Question 1133674: The ratio of the sum of the first three terms of a G.P to the sum of the first 6 terms is 27:19.The common ratio is
2÷3
-2÷3
-1.5
1.5
Click here to see answer by greenestamps(13198)

Question 1133677: 1+cos°÷sin°=
Show solution without calculator
1-cos°÷sin°-1
1+cos°÷1+sin°
Sin°÷1-cos°
1+cos°÷1-sin°
Click here to see answer by Alan3354(69443)

Question 1133678: The diagonal of a rectangle field is y^2+16cm and one side is 8y cm. For what value of y the perimeter of the rectangle will be 62 cm
I. 3cm II.5cm III.7cm
I
II
I AND II
II AND III
Click here to see answer by MathLover1(20849)

Question 1133763: at present a mother is twice as old as his daughter.twenty years back their ages were in the ratio of 10:3 the present age of the mother is
33 years
66 Years
35 years
70 years
Click here to see answer by josgarithmetic(39617)

Question 1133749: The computer science department of a college consists of 3 lecturers and 6 students.A study tour is to be arranged.In how many ways can a party of three be chosen so as to include at least one lecturer and one student? Show solution step by step
126
63
54
None
Click here to see answer by Shin123(626)

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