Questions on Algebra: Quadratic Equation answered by real tutors!

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Tutors Answer Your Questions about Quadratic Equations (FREE)


Question 285433: Hello. My name is Mia. I don't know how to put the following question into a rational expression. Dr. Taylor can see 10 patients in 5 hours. At this rate, how long would it tke him to see 40 patients?

Click here to see answer by josmiceli(9817) About Me 

Question 285454: How do you find the roots and degree for : h(x)=x(x²-x-6)
Click here to see answer by edjones(7569) About Me 

Question 285490: to which of th following situations can the functions y=5x+10 be aplied
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Question 285566: Two cars start at Pittsburgh, one driving east and the other west. The car headed east drives 10 miles per hour faster than the car headed west. How fast is the slower car traveling if, after 8 hours, the cars are 1,040 miles apart?
Click here to see answer by josmiceli(9817) About Me 

Question 285607: I Need help with how to write an quadratic equation only use two numbers.
-3 and -1 must =0

Click here to see answer by stanbon(57956) About Me 

Question 285634: Having trouble solving 3x%5E2%2B5x-6=0, tried the problem solver and got a particularly complicated solution that I can't prove.
Click here to see answer by nabla(475) About Me 

Question 285653: i need more than 1 problem please. heres the problems:
evaluate: 3a + (k + 5b) - 9=? if a=7 & b=4 & k=10
find the 7th term in the sequence: 20 1/2, 23 1/3, 26 1/6 29...
evaluate: -6a-4b= ? if a=5 and b=3??
please! thanks

Click here to see answer by stanbon(57956) About Me 
Question 285653: i need more than 1 problem please. heres the problems:
evaluate: 3a + (k + 5b) - 9=? if a=7 & b=4 & k=10
find the 7th term in the sequence: 20 1/2, 23 1/3, 26 1/6 29...
evaluate: -6a-4b= ? if a=5 and b=3??
please! thanks

Click here to see answer by richwmiller(9144) About Me 

Question 285663: y^2-4y=0
Click here to see answer by Alan3354(31510) About Me 

Question 285697: 4x(x-1)-5x(x)=3 solve for x

please help and thankyou

Click here to see answer by nyc_function(2733) About Me 

Question 285401: What is the product of two consecutive numbers that is less than 10 times the smaller number?
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Question 285401: What is the product of two consecutive numbers that is less than 10 times the smaller number?
Click here to see answer by richwmiller(9144) About Me 

Question 285399: 5x^2+16x-84=0
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Question 285385: show all work for the following math problem: Annie Pelletier won a bronze medal in the wonmen's spring board competition at the 1996 olympics in atlanta.She somersaults from a 3-m bord. Her height, h metres, above the water t seconds after she leaves the springboard is given by h=-4.9tsquared+8.8t+3 what is the value of h when Palletier hits the water? what quadratic equation represents this situation?
Click here to see answer by jsmallt9(3296) About Me 

Question 285242: x^2=4x-29
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Question 285066: please help me solve this, its a triangle with a hypotenuse of 12, leg a is x and leg b is (x+5)
Click here to see answer by scott8148(6628) About Me 

Question 285233: 16x^2-8x+1=0
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Question 285804: x²-2k(x+3)=6x+3 has equal roots
Click here to see answer by richwmiller(9144) About Me 

Question 285822: one root of quadratic equation 3x square - 10 x +3=o is 1/3.find other root
Click here to see answer by Grinnell(63) About Me 
Question 285822: one root of quadratic equation 3x square - 10 x +3=o is 1/3.find other root
Click here to see answer by stanbon(57956) About Me 

Question 285835: a chemist need 80 millitiltes of 25% solution but only has 22% and 30% solutions available How many milliliters of each that should be mixed to get the desired solution number of mill of 22% and the number of mill for 30%
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Question 285937: Find the quadratic equation with roots which are the squares of the roots of
x^2 -5x -3 =0

Click here to see answer by richwmiller(9144) About Me 

Question 285948: The problem is: One number is 8 more than the second number. Twice the second number is one more than the first. Find the numbers.
Click here to see answer by oberobic(2304) About Me 

Question 285935: given
3dx^2 - (2d-3)x - (5d+2) =0
find the value of d if one of the roots is 3/2

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Question 285939: Find an equation with roots that are the negative reciprocals of the roots of ax^2 +bx +c =0
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Question 285990: determine the equation of the line described. put answer in the slope-intercept form if possible.
through (-2,5), perpendicular to -4x + 5y = 17

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Question 286083: Identify a, b, and c
x^2-6x+10=0

Click here to see answer by richwmiller(9144) About Me 

Question 286090: I would really appreciate some help solving this Quadratic Equation:
x%5E2-8x-8448=0.
I know to set up the equation something like this: (x-?)(x+?). I just have a hard time firguring out how to determine which numbers to put in place of the question marks.

Click here to see answer by richwmiller(9144) About Me 

Question 286176: f(x)=-x^2+12x+4
The vertex is?
The equation of the line symmetry is x=?
The maximum/minimum of f(x) is?

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Question 286252: An 18 foot ladder is leaning against a house. The bottom of the ladder is sitting on flat ground and is 7 ft away from bottom of house. What is the height where the top of the ladder is touching the house?
Click here to see answer by rfer(12727) About Me 

Question 286293: You are trying to throw a ball over a wire that is 40 ft above the ground. The height of the ball is modeled by the equation h=-16t^2 + 40t + 6. Will you be able to throw the ball over the wire?
Click here to see answer by richwmiller(9144) About Me 
Question 286293: You are trying to throw a ball over a wire that is 40 ft above the ground. The height of the ball is modeled by the equation h=-16t^2 + 40t + 6. Will you be able to throw the ball over the wire?
Click here to see answer by ankor@dixie-net.com(15746) About Me 

Question 286198: What are the roots of the equation y= x to the second power + 1x-6
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Question 286295: the Beta train is going 40km/h slower than the Lightning train, the lightning train makes the 850km journey in 3 hours less time. what is the speed of both trains?
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Question 286261: a 5 in. by 7 in. photograph is surrounded by a frame of uniform width. The area of the frame equals the area of the photograph. Find the width of the frame
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Question 286347: Solving
4(x-2)^2 = 1/49

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Question 286397: (z-3/5)^2= 7/16
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Question 286393: 1/5 r^2-2= 5/6
Click here to see answer by checkley77(12569) About Me 

Question 286427: Find and label the vertex and the line of symmetry. Graph the function.
-2(X+2)^2

Click here to see answer by jim_thompson5910(28704) About Me 

Question 286362: If (x − 7)(y + 7) < 0, then which of the following must be true?
A. x > 7 B. y < −7 C. x < 7 D. y > −7 E. None of these.

Click here to see answer by jim_thompson5910(28704) About Me 

Question 286237: An airplane makes a 990 km flight with a tailwind and returns, flying into the same wind. The total flying time is 3 hours and 20 minutes, and the airplane's speed in still air is 600 km/h. What is the speed of the wind?
Click here to see answer by CharlesG2(828) About Me 

Question 286500: A model rocket is projected straight upward from the ground level according to the height equation h= -16t^2+192t, where t is greater than or = to 0. What is the maximum height of the rocket and after how many seconds does the rocket reach maximum height?
I am just somewhat frustrated because it seems as thought the book and my lecture do not have sufficient information to answer this question, and I could really use some help. Thanks.

Click here to see answer by jim_thompson5910(28704) About Me 

Question 286594: A rectangular garden is enclosed so that the river borders 1 side and 300m of fencing are used for the other 3 sides.
a)What is the formula for the area in terms of x and y?
b)What is the formul that relates x and y to the perimeter?
c)Write a formulaa for the area in terms of x only
d)What are the dimensions of the garden if the area is a maximum?

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Question 286623: The horizontal shift of f(x)= 3(x+7)^2 - 5 moves 7 units left.
True or false?

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Question 286722: Wrie the quadratic formula.
Leave radical answers in simplified radical form
X² + 3X = 0

Click here to see answer by richwmiller(9144) About Me 

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