Tutors Answer Your Questions about Systems-of-equations (FREE)
Question 15912: I need help solving this problem.
The length of a rectangular sign is 3 feet longer than the width. If the
sign has space for 40 square feet of advertising, find its length and width.
Click here to see answer by pwac(253)  |
Question 15911: I need help solving this problem.
Great white sharks have triangular teeth with a height that is 1 centimeter
longer than the base. If the area of one tooth is 15 square centimeters, find
its base and height. Remember that the area of a triangle is one-half its base
times its height.
Click here to see answer by pwac(253) |
Question 16117: Given:
x h(x)
1 2
2 3
3 6
4 11
5 18
What I have figured out: Square x and then subtract progressive odd numbers and the answer is h(x).
Examples:
1 squared = 1
subtract -1 = 2
2 squared = 4
subtract 1 = 3
3 squared = 9
subtract 3 = 6
4 squared = 16
subtract 5 = 11
5 squared = 25
subtract 7 = 18
I dont' know how to write the equation.
Click here to see answer by longjonsilver(2297)  |
Question 19967: m + In Lewis Carroll's Through The Looking Glass, Tweedledum says to Tweedledee, "The sum of your weight and twice mine is 361 pounds." Then Tweedledee says to Tweedledum, "Contrariwise, the sum of your weight and twice mine is 362 pounds." Find the weight of Tweedledum and Tweedledee.
Click here to see answer by glabow(165) |
Question 19995: It takes a passenger train 2 hours less time than it takes a freight train to make a trip from Central City to Clear Creek. The passenger train averages 96 km/h while the freight train averages 64 km/h. How far is it from Central City to Clear Creek?
Click here to see answer by Paul(988) |
Question 19996: It takes a small jet plane 4 hours less time than it takes a propeller-driven plane to travel from Glen Rock to Oakville. The jet plane averages 637 km/h while the propeller plane averages 273 km/h. How far is it from Glen Rock to Oakville?
Click here to see answer by Paul(988) |
Question 19965: Jermaine was in charge of buying milk for a class picnic for 32 students. Milk is sold in half-gallon cartons and gallon cartons at a neighborhood grocery store. The half-gallon costs $1.46 and the gallon carton costs $2.39. When he got to the store, there was not much milk left. Jermaine bought all 21 cartons they had and paid a total of $41.82. How many cartons of each size did he buy?
Click here to see answer by Paul(988) |
Question 20001: A student walks and jogs to college each day. The student averages 5 km/h walking and 9 km/h jogging. The distance from home to college is 8 km, and the student makes the trip in 1 hour. How far does the student jog?
Click here to see answer by suresh(20) |
Question 21794: I am a parent with 9th grde algebra problems with my son. We are both lost and I need help. The worksheet says Equations and rational numbers.I cannot identify where to begin here is an example problem, 3a+1 =2 the 3a+1 has a line under it like a fraction over 5. Some of the others are like this, 1/4h+1/2=1 or 3/5x+1/2=4 1/10
Click here to see answer by queenofit(120) |
Question 22177: I think its called Simplifying algebraic expressions??
I understand the concepts of like terms and all. However with these I find myself not knowing what to do please help me!
Problem one for example.
Simplify
xsquared minus 4x minus 12
problem2 Solve for X
x squared plus three x minus ten equals 0
please helpppppppp!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! my finall exam I have to take over i norder to pass the course that i have already taken 3 times.
Click here to see answer by elima(1433) |
Question 22840: how would you solve a problem when one number is given to you and the problem would be (is over of and percent over 100) the question is (is=45 of=25percent=) i just want to know how would you explain it
Click here to see answer by elima(1433) |
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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
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