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Question 234369: Hi
Need Help with this Question
Gerald hit his golfball down the fairway. The path the ball followed was parabolic in the shape with the relationship:
h=2d-1/30^2
Where h is the height above the ground of the golf ball when it is a horizontal distance d from him. Both h and d are in meters. How far from Gerald did the golf ball land?
Click here to see answer by ankor@dixie-net.com(22740)   |
Question 234703: 1. The teacher put sets of paints into different-sized boxes. She labeled the boxes to show how many sets were in each one. The boxes were labeled 32, 15, 17, 16, 19 and 21. The teacher needed 50 sets of paints. Which three boxes should she choose?
PLEASE ANSWER THE QUESTIONS BECAUSE I DONT GET IT THANK YOU VERY MUCH!!!!
Click here to see answer by solver91311(24713)  |
Question 234861: I have the hardest time with word problems. For this problem I need to use the discriminate to determine the number of solutions of the quadratic equation, and whether the solutions are real or complex. It is not necessary to find the roots; just determine the number and types of solutions.
The hudson river flows at a rate of 3 miles per hour. A patrol boat travels 60 miles upriver, and returns in a total time of 9 hours. What is the speed of the boat in still water?
Click here to see answer by scott8148(6628)  |
Question 234900: There are three ways for solutions to exist.
1.No Solutions
2.One Solution
3.Two Solutions
Please find the number of solution for the following equation based on your response to the above statement.
x^2 - 3x + 2 = 0.
Click here to see answer by Stitch(470) |
Question 234934: For this problem I need to use the discriminate to determine the number of solutions of the quadratic equation, and whether the solutions are real or complex. It is not necessary to find the roots; just determine the number and types of solutions. This is a word problem
A designer attempts to arrange the characters of his artwork in the form of a square grid with equal numbers of rows and columns, but finds that 24 characters are left out. When he tries to add one more row and column, he finds that he has 25 too few characters. Find the number of characters used by the designer.
Click here to see answer by Theo(13342)  |
Question 234854: For this problem I need to use the discriminate to determine the number of solutions of the quadratic equation, and whether the solutions are real or complex. It is not necessary to find the roots; just determine the number and types of solutions
2x^2-6x+5=0
Click here to see answer by philline_palana(20)  |
Question 234852: For this problem I need to use the discriminate to determine the number of solutions of the quadratic equation, and whether the solutions are real or complex. It is not necessary to find the roots; just determine the number and types of solutions
2x^2 - 10x + 25 = 0
Click here to see answer by philline_palana(20) |
Question 235022: Employees of a discount appliance store receive an additional 20% off of the lowest price on an item. If an employee purchases a dishwasher during a 15% off sale, how much will he pay if the dishwasher originally cost $450?
Click here to see answer by josmiceli(19441)  |
Question 234851: For this problem I need to use the discriminate to determine the number of solutions of the quadratic equation, and whether the solutions are real or complex. It is not necessary to find the roots; just determine the number and types of solutions
(3)^1/2y^2 -4y-7(3)^1/2=0
Click here to see answer by ankor@dixie-net.com(22740) |
Question 234850: I am just not understanding these type of problems. For this problem I need to use the discriminate to determine the number of solutions of the quadratic equation, and whether the solutions are real or complex. It is not necessary to find the roots; just determine the number and types of solutions.
z^2+z+1=0
Click here to see answer by ankor@dixie-net.com(22740) |
Question 235119: I must use the quadratic formula to solve each equation. The one I'm having trouble with is in a different form to begin with and I can't figure out how to get it into standard form:
x= [2(x+3)]/(x+5)
I've tried distributing the numerator and then subtracting it from that side to the other side, and multiplying whats left of the fraction by its denominator, but its not working... PLEASE help! THANK YOU SO MUCH!
Click here to see answer by Edwin McCravy(20054)  |
Question 235135: I need help with how to solve this:write a quadratic equation in standard form that passes through these points: (-1, 5), (0,3), (3,9).
I know it's a systems of equations, but the variables are confusing me... I got
5 = -A^2 - B + C
3 = C, and
9 = 3A^2 + 3B + C
I tried substituting 3 for c, but I don't know what to do from there
show work please and explain
Click here to see answer by jim_thompson5910(35256) |
Question 235484: s(t)= -16t^2+200t+4
the quadratic function models the fireworks height, s(t) in feet, t seconds after they launch.
A. when should the fireworks go off so they explde at the greatest height?
B. what is the greatest height attainded by the fireworks?
Click here to see answer by solver91311(24713) |
Question 235508: For these problems I need use the discriminant to determine the number of solutions of the quadratic equation, and whether the solutions are real or complex. It is not necessary to find the roots; just determine the number and types of solutions.
2x^2 + 5x + 5 = 0
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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