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Question 627681: How to solve this :
Paul bought a student discount card for the bus. The card costs $7 and allows him to buy daily bus passes for $1.50. After one month ,Paul spent $29.50.
How many daily bus passes did Paul buy?
Click here to see answer by josmiceli(9649)

Question 627719: 20-x/3 = x/2
Click here to see answer by jim_thompson5910(28476)

Question 627721: 20-x over 3 equals x over 2
Click here to see answer by Earlsdon(6287)

Question 627730: yes
Click here to see answer by richwmiller(9135)

Question 627770: Hello I am a college stydent and we just started our marh class. I am not sure on how to aimplify algebraic expressions. They have this process called FOIL. first, outer, inner and then last. Could u please explain to me a little more in depth how this works. Looking at their examples just confuses me... here is one- (2x-3)(x+3)= 2x cubed + 3x - 9... where did the 9 come from? Its all about "polynomials" hope u can help me! Thank you. Jesyka
Click here to see answer by jim_thompson5910(28476)

Question 627799: Please help me solve this word problem:
Click here to see answer by ankor@dixie-net.com(15624)

Question 627947: X/10=5/12
Click here to see answer by jim_thompson5910(28476)

Question 627946: 3(4y-1)=16y+5
Click here to see answer by jim_thompson5910(28476)

Question 627946: 3(4y-1)=16y+5
Click here to see answer by Cosx(2)

Question 627883: What is the distance between the points (21, -30) and (3, 8)?
Click here to see answer by jim_thompson5910(28476)

Question 627959: -4n * (-15)
Click here to see answer by jim_thompson5910(28476)

Question 628023: Hello! I'm a resident of Jersey City, NJ and looking to take an entrance exam for nursing but I suck in math. I'd like to know where I can get free tutoring in algebra... Please help!
Click here to see answer by jim_thompson5910(28476)

Question 628006: a will states that 3/5 of an estate is to be divided among relatives. Of the remaining, 1/4 goes to charity. How much goes to charity
Click here to see answer by ankor@dixie-net.com(15624)

Question 628003: Find a polynomial f(x) with real coefficients having the given degree and zeros.
Degree 5; zeros: 6;-i;-7+i
f(x)=a?
Do not write the polynomial in factored form. Multiply it out.
Click here to see answer by solver91311(16868)

Question 628040: an economical automobile can travel 442 miles on just 13 gallons of gasoline.how many gallons of gasoline will be needed for a trip of 1530 miles
Click here to see answer by stanbon(57219)

Question 628031: three hamburgers cost a total of 2.47 dollars.how many hamburgers can e purchased for 14.22?
Click here to see answer by josmiceli(9649)

Question 628004: Find the complex zeros of the polynomial function. Write f in factored form.
f(x)=x^3-5x^2+9x-5
Use the complex zeros to write f in factored form.
f(x)=
reduce fractions and simplify roots.
Click here to see answer by ewatrrr(10682)

Question 628077: I need help with math
Click here to see answer by Alan3354(30959)

Question 628091:
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Question 628089:
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Question 628088:
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Question 627997: Use the intermediate value theorem to show that the polynomial function has a zero given in the interval.
f(x)=3x^3+5x^2-6x+5;[-3,-1]
Click here to see answer by fcabanski(872)

Question 627996: Use the intermediate value theorem to show that the polynomial function has a zero in the given interval.
f(x)=7x^4-2x^2+4x-1;[-3,0]
f(-3)=?
Click here to see answer by fcabanski(872)

Question 627991: Use the rational zeros theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers.
f(x)=x^3-2x^2-13x-10
Find the real zeros of f.
x=?
Use the real zeros to factor f.
f(x)=?
Click here to see answer by lwsshak3(6463)

Question 628197: ASSUME THAT HEIGHTS OF MEN ARE NORMALLY DISTRIBUTED WITH A MEAN OF 68.4 INCHES AND A STANDARD DEVIATION OF 2.8 INCHES. IF 64 MEN WERE RANDOMLY SELECTED FIND THE PROBABILITY THST THEY HAVE A MEAN HEIGHT GREATER THAN 69.4 INCHES
Click here to see answer by solver91311(16868)

Question 628198: IF THE PROBABLITY OF A NEWBORN CHILD BEING FEMALE IS 0.5 FIND THE PROBABLITY THAT IN 100 BIRTHS 55 OR MORE WILL BE FEMALE. USE THE NORMAL DISTRIBUTION TO APPROXIMATE THE BINOMIAL DISTRIBUTION
Click here to see answer by solver91311(16868)

Question 628205: A rectangular garden is 60 ft by 80 ft. Part of the garden is torn up to install a sidewalk of uniform width around the garden. The new area of the garden is one sixth of the old area. How wide is the sidewalk?
60-x, 80-x
Click here to see answer by ankor@dixie-net.com(15624)

Question 628228: If I can fill a 20 gallon tank 128 times how many times can fill a 30 gallon tank
Click here to see answer by Alan3354(30959)

Question 628374: v^2 - 4 is the product of witch two binomials
Click here to see answer by jim_thompson5910(28476)

Question 628365: A train leaves Pittsburgh and travels 300 mi to Philadelphia. On the return trip, it travels 10 MPH faster. The total time for the round trip was 11 hrs. How fast did the train travel on each part?
Click here to see answer by ankor@dixie-net.com(15624)

Question 628571: If x+y=40, then what is 2x equal to?
Click here to see answer by Maths68(1474)

Question 628588: (5x+6)^2=9
Click here to see answer by Maths68(1474)

Question 628769: The age of a man is 4 times the sum of the ages of his three children and in 8 years it will be twice the sum. What is the present age of the man?
Click here to see answer by graphmatics(170)

Question 628771: Can you show me the equation to the solution of this problem:
An equilateral triangle with an area of 12 has what perimeter?
Thanks a lot.
Click here to see answer by meetkisai(17)

Question 628824: 2x-3(x+4)=-5
Click here to see answer by Tatiana_Stebko(1326)

Question 628824: 2x-3(x+4)=-5
Click here to see answer by lenny460(753)

Question 628843: Division is hard for me and I'm going into 6th grade this year and they do a lot of division there! So before 6th grade starts I want to have division stuck in my brain. What do I do!!!
Click here to see answer by Alan3354(30959)

Question 628809: With a tailwind plane travelled 480km in 4 hours. But the return trip against the same wind took 2 hours longer. What is the plane's airspeed?
Click here to see answer by Alan3354(30959)

Question 628916: 180-2x=x
Click here to see answer by Tatiana_Stebko(1326)

Question 628926: Which of the following triangles could be right triangles? Check all that apply.
A triangle with lengths 2, 3, 4
B. A triangle with lengths 6 inches, 8 inches, 10 inches
C. A triangle with lengths 7, 12, 13
D. A triangle with lengths 8, 15, 17

Click here to see answer by Edwin McCravy(8880)

Question 629089: if we divide something by zero, what does it mean and why?
Click here to see answer by richwmiller(9135)

Question 629088: if we divided something by zero, what does it mean and why?
Click here to see answer by lenny460(753)

Question 629166: Tap A takes 4 hours to fill a tank. Tap B takes 6 hours to fill the same tank. How long does the tank take to fill half if both tap was on at se te?
Click here to see answer by 303795(595)

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