Questions on Algebra: Proportions answered by real tutors!

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Question 434616: If 2 cybic feet of sand weigh 90 pounds,how mych do 5 cybic feet of sand weigh?
Click here to see answer by unlockmath(1688)

Question 436176: solve for x in the proportion: 3/5=x/25

Thanks everyone for all the help!
Click here to see answer by stanbon(75887)

Question 436168: If y is larger than 8, what statement can be made about the size of x?
y/4=x/3
Click here to see answer by rwm(914)

Question 436172: solve for x in the proportion: 4:10=x:10
Click here to see answer by rwm(914)

Question 437518: HELP!!! i dont get this problem Please show your work!!!
t-2/t = 2/t+3
Click here to see answer by solver91311(24713)

Question 437518: HELP!!! i dont get this problem Please show your work!!!
t-2/t = 2/t+3
Click here to see answer by unreal4evr(11)

Question 437885: last question----- The NUFOne Communications COmpany must run a telephone line between two poles at opposite ends of a lake.the length and the width of the lake are 75 feet and 30 feet respectively.What is the distance between the two poles ,to the nearest foor?
a) 105
b)81
c)69
d)45

Click here to see answer by ewatrrr(24785)

Question 438426: what is the slope of a binomial 2x+3
Click here to see answer by josmiceli(19441)

Question 438426: what is the slope of a binomial 2x+3
Click here to see answer by Alan3354(69443)

Question 440713: three sides of a triangle measure 4,5 and 8. what is the length of the longest side of a similar triangle whose perimeter is 51
Click here to see answer by ewatrrr(24785)

Question 441329: how do you work out this problem? what is 33 1/3% of 9
Click here to see answer by stanbon(75887)

Question 441339: Length L and width W of a rectangle of given area vary inversely. when legngth is 18, width is 5. write a proportion.

Click here to see answer by jorel1380(3719)

Question 441341: the sides of a triangle have lengths 7, 8 and 10. what is the length of the shortest side of a similar triangle whose perimeter is 75
Click here to see answer by jorel1380(3719)

Question 442768: a) A locomotive is 10 m long and weighs 72 tonnes. A similar model, made of the same material, is 40 cm long, find the mass of the model.
b) Suppose the tank of the model locomotive contains 0.85 liters of water when full, find the capacity of the tank of the locomotive.

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

Question 443156: a block of land has length and width in the ratio 5:4 .if the perimeter of the block is 216 yards what is the length of the block.
Click here to see answer by stanbon(75887)

Question 443735: john can finish his homework on 10 minutes. a fellow student would finish it up at a different rate. both students working together can do the homework in 8 minutes. how long does it take the second student to complete the homework if working alone.
Click here to see answer by jorel1380(3719)

Question 445253: 116% 0f t is 50
150% of 90
what percent of 40 is 25
find 500% of 12
what percent of 25 is 17
85% of z is 106,250.what is z

Click here to see answer by rfer(16322)

Question 445246: 75 is what percentage of 225
14 is 35% of what
33 1/3% of 54
1 is 2% of what number

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Question 445638: let p be the proportion of people who favor a fee increase. write out what it means for the proportion of people to be at most .2.

Click here to see answer by robertb(5830)

Question 445812: Francisco has 7 quarters in his pocket of these 3 depict the state of Delaware 2 depict Georgia 1 depicts Texas and 1 depicts Pennsylvania. Francisco removes 1 quarter from his pocket and then removes a second quarter without replacing the first what is the probability that both will be Delaware quarters? Is this independent or dependent.
Click here to see answer by edjones(8007)

Question 446126: Nearly 5 out of 7 people choose vanilla as their favorite ice cream flavor. If 182 people attend an ice cream social, how many would you expect to choose vanilla.
I wrote it out in porportion form
x/182=5/7
x=182 (5/7)
1. 182/7=26
2. 26 X 5= 130
x=130
I got it wrong on my test. Could please help and show me what I did wrong
Click here to see answer by rfer(16322)

Question 446609: The sum of a number and its reciprocal is given below.
29/10. Find the numbers.

Click here to see answer by sudhanshu_kmr(1152)

Question 446610: The sum of reciprocals of two consecutive even integers is given below.
5/12. Find the integers.
Click here to see answer by robertb(5830)

Question 447628: I'm working on proportions. I solved the proportion part and got 6x squared plus 12 equals -38x and I'm lost from there. How do you get the answer from there?
Click here to see answer by Alan3354(69443)

Question 449346: If 567 is separated into three numbers whose ratio is 2:3:4, what are the numbers?
Click here to see answer by rfer(16322)

Question 449341: A student completed 20 PACEs in the first 6 weeks of school. At this rate, how many PACEs will he complete by the end of the fifteenth week?
Click here to see answer by checkley79(3341)

Question 449340: If a map drawn to the scale of 1.25 centimeters equals 50 kilometers, what distance does 3.5 centimeters represent?
Click here to see answer by checkley79(3341)

Question 449764: How do I solve this type of problem? If A:B=3:5 What is B if A is 12?
Thanks...
Click here to see answer by jorel1380(3719)

Question 450063: June bought a 2 liter cola. she drank 1/3 of a liter on saturday, 1/4 on sunday, 3/8 of a liter on monday. What part of the 2 liter cola does she have left?
Click here to see answer by ewatrrr(24785)

Question 450591: Tessa earned $25.50 in 5 hours. How much did she earn per hour?
Click here to see answer by rwm(914)

Question 450636: Tell whether the ratios form a proportion.
3/8,13/40
Click here to see answer by rwm(914)

Question 450980: -6/x=3/ 11/30 solve the proportion
Click here to see answer by rfer(16322)

Question 451323: 3x+6 over 4x+12 divided by x squared minus 4 over x-3
Click here to see answer by jorel1380(3719)

Question 451525: solve this math problem by using quadratic equation : 2x^2-12x+3=0
Click here to see answer by solver91311(24713)

Question 452181: If the output variable y is 38 less than the input variable x, what is the input corresponding to an output value of 121?
I thought I was starting to understand this, I was wrong.
Thanks for your help!!
Click here to see answer by Leaf W.(135)

Question 452179: One number is 4 more than 3/8 of another number. Total of both is 427. Please give formula. Thanks
Click here to see answer by nerdybill(7384)

Question 453914: Which of the following is a solution of the proportion 2x+3/5=x-2/6?
a. -27/4
b. -4
c. -13/7
d. -8/7
Click here to see answer by richwmiller(17219)

Question 454247: I need help with explaining how to solve the following.
In an elementary algebra class the ratio of men to women is 5 to 4. If the class size is 45, how many men and how many women are in the class?
Click here to see answer by ankor@dixie-net.com(22740)

Question 454767: 14.5/n=2.5/12.6 solve n
Click here to see answer by rfer(16322)

Question 454774: A 250 pound person needs a dosage of 3 cc. How much does a 140 pound person need?
Thanks! I need help. I am so confused.
Click here to see answer by rfer(16322)

Question 455475: solve for the missing number in the proportion.
3/5=15/x
do the ratios form a proportion
1/6 and 4/8
Click here to see answer by MathLover1(20849)

Question 455979: Please help me solve this question.......The directions are asking you to write yes or no to show whether each proportion is a true proportion. Here is the question.........

6/13 = 18/39
Click here to see answer by Alan3354(69443)

Question 456000: I really need help with this one..........Write the proportions as an equation of cross products......

2/3=6/x
Click here to see answer by solver91311(24713)

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