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Question 490427: How do you do fractions?
Click here to see answer by Alan3354(69443)

Question 490458: Please show me how the basic form quadratic equation ax^2+bx+c=0 solves for x to become the quadratic formula: (-b+/-square root (b^2-4ac))/2a?
Click here to see answer by scott8148(6628)

Question 490456:
Click here to see answer by duggie(26)

Question 490526: It's given that 10^x=3 and 10^y=7. What is 10^x+y?
Click here to see answer by Alan3354(69443)

Question 490555: What's 33 1/3% of $35,000.00
Click here to see answer by Alan3354(69443)

Question 490572: The weight in pounds of ten randomly-selected football players are:
245, 304, 310, 251, 195
185, 230, 264, 315, 196
Find the median of these weights.
Please help me!!Thanks a lot
Click here to see answer by Earlsdon(6294)

Question 490679: A line through the point (4,7) and parallel to the line y=2
Click here to see answer by Gogonati(855)

Question 490184: I have a question it's from pre algebra ( What is a tangle table? Actually how do I solve a tangle table?)
Click here to see answer by richard1234(7193)

Question 490731: I need to pass the real test. So can someone please tell me if i got these questions wrong or right.
it will really be a BIG help.

Questions 1-3 Simplify the expression:
1. x2-4x+4(x2+2x-5) Answer: 5x2+12x-20
2. 5x2+4x-6(3x2-2) Answer: -13x2+4x-12
3. x2(4x-x+6) Answer: 3x2+6
Multiply the binomials:
4. (a+b)(a-b) Answer: a2-b2
Questions Multiply 5-9:
5. (4a+x)(3a-x) Answer: 12a2+7ax-x2
6. h2(5h+4) Answer: 5h3+4h2
7. (x+3)2 Answer: x2+9
8. (d-5)2 Answer: d2-25
9. (2x2)(x+4)(x-4) Answer: 2x4-16
11. To graphically solve the quadratic equation x2+3x-10=5. Answer: Use the quadratic formula, letting a=1, b=3, and c=-15.
12. If the garden box has dimensions x by x feet and an area in square feet equal to the perimeter in feet, what is the value for x that satisfies the requirements? (Hint: The box is square.) Answer: There is not enough information in the problem.
13. Given three consecutive integers with a sum of four times the second number, write an algebraic equation for this situation. Answer: 3n+3=4n
14. Factor the trinomial b2-b-6. Answer: (b+3)(b-2)
15. Factor the binomial x2-64. Answer: (x-8)(x+8)
16. Factor the binomial 9a2-16. Answer: (3a-4)(3a+4)
17. Factor the equation x2=x+20. Answer: (x+5)(x+4)
18. Solve the equation x2+5x-4=0 using the quadratic formula. Answer: x=.702 and -5.702
19.Solve the equation 3m2+6m=3 using the quadratic formula. Answer: x=2.5 and -14.5
Questions 20-21 write the value of the discriminant of each equation, decide how many different real-number roots the equation has, and determine how many points the parabola will interact with the x-axis. Do not solve the equation.
20. x2+7x+9=0 Answer: Discriminant is 13,indicating there are two real roots, with the parabola intersecting the x-axis at two points.
21. 2x2+5x+7=0 Answer: Discriminant is -31, indicating there are no real roots, with the parabola not intersecting the x-axis at all. Thanks :C
Click here to see answer by Alan3354(69443)

Question 490947: The price in dollars of a gallon of gasoline at the end of each month is recorded for one year. The results are:
1.19 1.28 1.55 1.76
1.85 1.85 1.83 1.76
1.66 1.52 1.48 1.47
Find the mode of these prices.

Please help me!!Thanks so much
Click here to see answer by Earlsdon(6294)

Question 490952: To get a C in history, Nandan must average 74 on four tests. Scores on the first three tests were 69, 75, and 60. What is the lowest score that Nandan can get on the last test and still receive a C?
Please help me!!!!!!Thanks
Click here to see answer by Alan3354(69443)

Question 490948: State College's baseball team had the following scores in their last 8 games: 14, 5, 6, 0, 6, 9, 6, and 15. Determine to the nearest tenth the mean of these scores.
Please help me!!!!!!Thanks
Click here to see answer by Alan3354(69443)

Question 491005: if someone could help me please?

The area of a rectangular athletic field is represented by the expression 4y^2-9z^2 square meters. Write an algebraic expression to represent one possible set of dimensions (in the sense �length times width�) of the athletic field. Include correct units with your solution.
Click here to see answer by MathLover1(20849)

Question 491015: Hello , my question is ....what is a good stradegy to learning algebra
Click here to see answer by Alan3354(69443)

Question 491039: Three times the product of negative and a number
Click here to see answer by Alan3354(69443)

Question 491037: Three times the product of negative five and a number
Click here to see answer by Alan3354(69443)

Question 491012: Two diced are rolled. Express a relation in a table for the possible number showing on the dice x and the second dice y if the outcome is two odd numbers whose sum is at least 8
Click here to see answer by Edwin McCravy(20054)

Question 491098: Is the sum of4/7+8/15 greater than 1, less than 1, or equal to 1?
Click here to see answer by josmiceli(19441)

Question 491102: Okay so I have this problem: "form a polynomial f(x) with real coefficients having the given degree and zeros"
Given degree: 5th degree
Zeros: 1, multiplicity 3; 1+i
I have absolutely no idea how to do this so any work shown would help me out a lot so I can figure out how to do my other problems like this
Click here to see answer by scott8148(6628)

Question 491096: Tim earns twice as much each week as a tutor than he does pumping gas. His total weekly wages are $150 more than that of his sister. She earns one quarter as
Much as Tim does as a tutor. How much does tim earn as a tutor?
Click here to see answer by scott8148(6628)

Question 491183: Help me break down this math problem. I know the answer is 2. I need to know how they got this answer. 2/3-x/5=4/15
Click here to see answer by rfer(16322)

Question 491150: n/7.2 + 4.5 = 6.4
Click here to see answer by rfer(16322)

Question 491110: How do I find the complex zeros for f(x) = x^3 - 1
And then how do I write that in factored form?
Click here to see answer by Alan3354(69443)

Question 491110: How do I find the complex zeros for f(x) = x^3 - 1
And then how do I write that in factored form?
Click here to see answer by richard1234(7193)

Question 490977: Let a and b be relatively prime intergers and let k be any integer. Show that b and a+bk are relatively prime
Click here to see answer by richard1234(7193)

Question 491381: Find the absolute value of -6|5-2y|=-9
Click here to see answer by ptth176(50)

Question 491372: To get a C in history, Nandan must average 74 on four tests. Scores on the first three tests were 69, 75, and 60. What is the lowest score that Nandan can get on the last test and still receive a C?
Please help me!!!!!!Thanks a lot
Click here to see answer by Jstrasner(112)

Question 491395: Find the absolute value of |8+p|=2p-3
Click here to see answer by ptth176(50)

Question 491405: Fin the absolute value of 4|2y-7|+5=9
Click here to see answer by Alan3354(69443)

Question 491405: Fin the absolute value of 4|2y-7|+5=9
Click here to see answer by ptth176(50)

Question 491404: Find the absolute value of |4w-1|=5w+37
Click here to see answer by ptth176(50)

Question 491407: Find the absolute value of -2|7-3y|-6=-14
Click here to see answer by ptth176(50)

Question 491407: Find the absolute value of -2|7-3y|-6=-14
Click here to see answer by Alan3354(69443)

Question 491531: Really need help on this please:
Megan factored the expression 28x^2+x-15 as (4x-3)(7x+5). But when Jacob applied the FOIL principle and multiplied out (4x-3)(7x+5), he got 28x^2-x-15; thus, Megan�s solution does not appear to check. Why is that? Please help Megan to understand this better. Explain your reasoning and correctly factor the original expression, if possible. If the expression is prime, so state.
Click here to see answer by oberobic(2304)

Question 491535: Hello everyone, I need help please?
Completely factor the following expression:
49x2 � 28xy + 4y2
Click here to see answer by Gogonati(855)

Question 491575: Graph the linear equation y=2
Type of like:
Slope:
Click here to see answer by oberobic(2304)

Question 491638: How do I sove for x in this equation?
X + 12/x = 7
I know I set it equal to 0 right? So it'd be x+12/x + 7 = 0
But I'm not sure what to do with that x in the denominator. What do I do next?
Click here to see answer by scott8148(6628)

Question 491732: If (x, 12) is a solution to the equation 3x + 2y = 18, what is the value of x?
Click here to see answer by MathLover1(20849)

Question 491749: Find the length a d the width of the rectangle described.
The length is 12 units more than the width. The perimeter is 7 times the width.
Click here to see answer by MathLover1(20849)

Question 491764: M over 4.5= 2 over 5
Click here to see answer by rfer(16322)

Question 491771: Your question goes here. Write clearly! We are not mind readers, so be sure to ask a question that we can understand.
Click here to see answer by Alan3354(69443)

Question 491792: Help me with my math problem
Click here to see answer by richard1234(7193)

Question 491827: Your question goes here. Write clearly! We are not mind readers, so be sure to ask a question that we can understand.
Click here to see answer by Alan3354(69443)

Question 491789: Your question goes here. Write clearly! We are not mind readers, so be sure to ask a question that we can understand.
Click here to see answer by Alan3354(69443)

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