Tutors Answer Your Questions about Quadratic Equations (FREE)
Question 996772: income for an employee is considered a labor expense for the employer. for example, when an employee is paid $2000 by his employer, $2000 is deducted from the employer's bank account. let I(h) represent the employee's income (in dollars) for working h hours. which of the following represents the impact of the employee's income on the employer's bank account?
a. I(-h) b. -I(h) c. I(h)-2000 d. -I(-h)
Click here to see answer by Theo(13342)   |
Question 997019: The amount of a particular pollutant p from a power plant in the air above the plant depends on the wind speed s, among other things, with the relationship between p and s approximated by p=16-0.04s^2, with s in miles per hour.
a) find the value(s) of s that will make p=0
b)what does p=0 mean in this application?
c)what solution to 0=16-0.04s^2 makes sense in the context of this application?
Click here to see answer by addingup(3677)  |
Question 997147: Jacob decided to ride his bicycle across the country during his 3-month summer vacation. The route he took from Boston to Seattle covered a total of 3760 miles. To keep his mind occupied during some of the long flat stretches of countryside, he often did algebra problems in his head. One day, for example, he determined that his distance from his starting point was exactly 70 miles more than twice the distance remaining until the finishing point. How far was Jacob from the finishing point of his journey when he made that calculation?
Click here to see answer by Boreal(15235)  |
Question 997171: Tanya has a triangular garden bed in her back yard. The measure of the largest angle is 20° less than four times the measure of the smallest angle, and the measure of the middle angle is 20° more than the measure of the smallest angle. Find the measures of the three angles. Write an equation to solve this problem, show all work, and include units in your answer.
Click here to see answer by josgarithmetic(39616) |
Question 997304: I am trying to find the vertex as well as the equation of symmetry but I am not coming up with the same answer as the answer key. Can you help me. The equation is:
y=x^2+10x I am thinking that I have to add c so that it looks like: x^2+10x+0.
Then I use the the formula x=-b/2a and I get x=-5. But the y is the elusive one because the answer key is saying that y=-225 and I don't see how they got that. Can you show me?
Click here to see answer by KMST(5328)  |
Question 997800: I have a problem that seems simple but I'm having an issue solving it. The problem is:
A=l*w
Length of rectangle 5" more then width. Area is 66". What is length and width? L=w+5
66= w(w+5) I write this out as w^2+5w-66. Then I factor this so (w+11)(w-6) but I don't know how to finish. Can you help me?
Click here to see answer by josgarithmetic(39616) |
Question 997800: I have a problem that seems simple but I'm having an issue solving it. The problem is:
A=l*w
Length of rectangle 5" more then width. Area is 66". What is length and width? L=w+5
66= w(w+5) I write this out as w^2+5w-66. Then I factor this so (w+11)(w-6) but I don't know how to finish. Can you help me?
Click here to see answer by MathLover1(20849)  |
Question 998321: I've got an equation that I can't seem to get the right answer. Word problems are not a strength of mine so I need some help. The question is:
Length of a rectangle is twice its width. If area is 120 sq meters, find length and width. Does l=2(w) or l=w^2? Since A=L*W, my equation would look like this: 120=2w*w. I would subtract 120 from both sides to get 2w*w-120=0 or I wouldn't do that. Can you help me?
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 998334: I am really having a hard time with these word problems and can use your help. The width of the rectangle is 13 ft less than twice its width. The area is 68 sq ft. Find length and width. I am trying to do this but I need assistance.
Click here to see answer by fractalier(6550)  |
Question 998334: I am really having a hard time with these word problems and can use your help. The width of the rectangle is 13 ft less than twice its width. The area is 68 sq ft. Find length and width. I am trying to do this but I need assistance.
Click here to see answer by stanbon(75887) |
Question 998372: How do I find a, b, and c for quadratic equation from a table? X is 2, 4, 6, 8, 10, 12. Y is 56, 64, 62, 53, 43, 18
Click here to see answer by stanbon(75887) |
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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, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 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