Popular questions and responses by GGIFT
1. ## ALGEBRA

Janet can shovel snow from her driveway in 55 minutes. Jim can do the same job in 35 minutes. How long would it take Janet and Jim to shovel the driveway if they worked together? ____ minutes ??

2. ## ALGEBRA

What is the vertex of a parabola? How do you determine the vertex of the parabola?

3. ## ALGEBRA

Maria bicycles 7 km/h faster than Carlos. In the same time, it takes Carlos to bicycle 42km, Maria can bicycle 63km. How fast does each bicyclist travel?

4. ## GEOMETRY

is it true that the sides of regular polyhedron although having to be the same polygon, do not have to be regular polygons?

5. ## ALGEBRA

sqrt(5) * sqrt(10) * sqrt(x^2) = how can i solev this??

6. ## ALGEBRA

Bill wants to open a business selling chairs. It will cost him a fixed amount of \$1,000,000 to open a factory, and a variable cost of \$5 to manufacture each chair. What will the total cost be to produce: 1,000 chairs? 100,000 chairs?

7. ## ALGEBRA

Examine the following equation: [z = 100 / (5t)]. What does “z” equal when: t = 2? t = 5? t = 20? t = 0?

8. ## MATH 116

Write the set {x|x

9. ## ALGEBRA

what would be the slope and the y - intercept for the line represented by the equation? y = 4x - 7

10. ## ALGEBRA

A certain zoo kept records of the relationships between the weight of a mother ostrich and the weight of her egg. Data for 3 birds is shown in the next table. Os. 1 Os. 2 Os. 3 lb of mom 120lb 160lb 180lb lb of egg 2.4lb 3.2lb 3.6lb A. Est, the weight of

11. ## ALGEBRA

I NEED SOMEONE TO CHECK THESE PLEASE!!! IF B IS REPLACED WITH A NUMBER THAT SHOWS THE RELATIONSHIP INDICATED IN THE TABLE, ARE THESE ANSWERS CORRECT? Y = -X + B X Y 1 0 2 -1 8 -7 10 ? 20 ? 40 ? SO,

12. ## GEOMETRY

If a polyhedron has 13 vertices and 21 faces, how many edges does it have? I can't figure this one out.

13. ## EDU

What are the positive and negative influences of the media on adolescents?

14. ## EDU

If you had to choose technology tools to use in the classroom, what would they be? I have already decided on SmartBoards, Computers and Projectors.

15. ## ALGEBRA

can someone help me please!!!! (6x^8 - 6)(x^9 - 9)

16. ## AED

What do you think are the greatest strengths and weaknesses of the current special educational system in America??

17. ## ALGEBRA

solve 3x^2 = 15

18. ## ALGEBRA

give exact and approximate solutions to three decimal places. x^2 + 10x + 25 = 1

19. ## ALGEBRA

solve 3x + x(x-1)=0 and find the y intercepts of f(x)=3x + x (x-1)

20. ## ALGEBRA

determine the nature of the solutions of the equation x^2 - 20 = 0

21. ## ALGEBRA

give exact and approximate solutions to three decimal places x^2 - 7x + 7 = 0

22. ## ALGEBRA

Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic function. f(x) = -2x^2 + 2x + 9 x coordinate is y coordinate is the equation of the line of symmetry is x = Maximum/minimum of f(x) is the value, f (1half) = 19 over 2

23. ## ALGEBRA

1. Suppose you are an event coordinator for a large performance theater. One of the hottest new Broadway musicals has started to tour and your city is the first stop on the tour. You need to supply information about projected ticket sales to the box office

24. ## Math

Isn't 1/7th less than 1/6th?

25. ## ALGEBRA

Find the coordinates of the midpoint for the following equation: y = -2x^2 + 20x + 1. Your answer should be in the form (x-coordinate, y-coordinate). (Hint: Find the x-coordinate by using the Midpoint Formula [-b / (2a)]. Then find the y-coordinate by

26. ## ALGEBRA

Examine the following equation: y = -2x^2 + 20x + 1 * What shape does the graph of this equation make? (Hint: You should be able to tell just by looking at the first term of the equation.) * Does the graph open up or down (Hint: You should also be able to

27. ## ALGEBRA

Quadratic equations can be solved by graphing, using the quadratic formula, completing the square, and factoring. What are the pros and cons of each of these methods? When might each method be most appropriate? Which method do you prefer?

28. ## ALGEBRA

How do you know if a quadratic equation will have one, two, or no solutions? How do you find a quadratic equation if you are only given the solution? Is it possible to have different quadratic equations with the same solution?

29. ## ALGEBRA

how can i use the law of exponents to simplify: (6 ^5/8)^2/9 5/8 fraction 2/9 fraction

30. ## ALGEBRA

add then simplify.by collecting like radical terms if possible assuming that all expressions under radicals represent non negative numbers: √5a + 2√45a^3

31. ## ALGEBRA

simplify by taking roots of the numerator & denominator √64/y^2

32. ## ALGEBRA

Rewrite this as an rational exponent: (√7mn)^7

33. ## ALGEBRA

how do I multiply (6 + √2) (6 - √2)

34. ## ALGEBRA

Multiply & simplify Assume that all expressions under the radicals represent non negative numbers... √5x^7 √35x

35. ## ALGEBRA

Use rational exponents to write 4√6 * 3√7 as a singular expression. How in the world do I write this??

36. ## ALGEBRA

Solve the equation SQRT(x+3) + 1 = 8; find the value of x.

37. ## ALGEBRA

Solve the equation SQRT(x+3) + 1 = 8; find the value of x.

38. ## ALGEBRA

Find a set of values for a and b that will result into a rectangular computer monitor with a diagonal (c) of 20".

39. ## ALGEBRA

Find the distance between two points which have the coordinates of (5,1) and (8, 5).

40. ## ALGEBRA

2. The equation D=2.2√ h gives the distance, D, in miles that a person can see to the horizon from a height, h, in feet. a. Solve this equation for h. b. If Long’s Peak in Rocky Mountain National Park, is 14,275 feet in elevation, how far can you see

41. ## ALGEBRA

1. Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on Earth also varies according to the elevation of the object? In particular, the weight of an object follows this equation: , where

42. ## ALGEBRA

How can I rearrange the following equation to solve for “x”: y = sqrt(x) / z

43. ## ALGEBRA

Rearrange the following equation to solve for “x”: y = sqrt(x) / z How do I even begin???

44. ## ALGEBRA

What happens if you are checking a solution for the rational expression and find that it makes one of the denominators in the expression equal to zero?

46. ## ALGEBRA

If you are subtracting fractions like 8-y over y-4 MINUS 7y-9 over 4-y... will the LCD be y-4? I'm stuck on this!!

47. ## ALGEBRA

to solve the following: 4-s over 7-s = 3 over s-7... LCD is s-7 then (s-7)(4-s over 7-s) = (s-7) (3 over s-7)? am I on the right track???

48. ## ALGEBRA

If I am dividing the following: x^2+3x over x^2+2x-3 by x over x+1.. i know to do the recip. of x over x+1 and get the foll. x^2 + 3x over x^2 + 2x -3 times x+1 over x... now (x^2+3x)(x+1) over (x^2+2x-3)(x) now x(x+2)(x+1) x(x+2)(x-1) the x+2 over x+2 = 1

49. ## ALGEBRA

I need help finding the LCM of (8+3w) (64-9w^2) (8-3w)

50. ## ALGEBRA

help me solve 6/z+8 = 5/z-3? do i first find the lcd?

51. ## ALGEBRA

1. The cost, in millions of dollars, to remove x % of pollution in a lake modeled by C = __6,000__ (all supposed to be underlined) 300-3x a. What is the cost to remove 75% of the pollutant? b. What is the cost to remove 90% of the pollutant? c. What is the

52. ## ALGEBRA

When solving a rational equation, why is it necessary to perform a check?

54. ## ALGEBRA

if i factor b^6-64 will I get (b^3+8)(b^3-8)??

55. ## ALGEBRA

with multiplying this: 9y^2-9)(8y^2-9y+3) I have: 8y^2(y^2-9)-9y(y^2-9)+3(y^-9) THEN 8y^2*y^2-9-9y*y^2-9+3*y^2-9.... THEN 8y^8 - 6 ??? I think that I am lost

56. ## ALGEBRA

for subtracting this problem: (0.04x^3-0.03x^2+0.02x)-(0.03x^3+0.08x^2-6) I know to change the signs of the second grouping. When I done that, I cam up with: 0.04x^3-0.03x^2+0.02x-0.03x^3-0.08x^2+6 THEN .01x^3 - .11x^2 + 0.02x + 6.....is that right?? the

57. ## ALGEBRA

If I add: 1+2x+6x^2+9x^3+7-2x+6x^2-9x^3... won't I have to combine terms & then get 8+12x^2 cause won't the 9x^3 and the 2x cancel itself out???

58. ## ALGEBRA

I HAVE A PROBLEM.... FOR A^2=4 AM I SOLVING FOR A OR ^2? WILL A BE 2?

59. ## ALGEBRA

Suppose it takes 3 days for a space vehicle to travel from the Earth to the moon. About how long would it take the same vehicle traveling a the same speed to reach Neptune?

61. ## AED

Identify how each of the five core principles of NCLB 2001—strong accountability, expanded flexibility and control, methods based on scientific research, expanded options for parents, and highly qualified teachers—might affect diverse learners, both

62. ## ALGEBRA

If you have \$10 in the bank today and \$25 in the bank tomorrow, what was the percentage increase in your account balance?

63. ## ALGEBRA

Find the slope of a line that intersects the following two points with the coordinates: (0, 5) and (3, 1)

64. ## GEO

What are some of the resources that are abundant int he San Andreas region? What is the importance and economic value of those resources?? I can't find anything on this.

65. ## GEO

What is the relation of metamorphic rocks and the San Andreas fault?

66. ## GEO

WHAT IS THE RELATION OF IGNEOUS ROCKS TO THE SAN ANDREAS FAULT?

67. ## GEOLOGY

WHAT PROCESS OF PLATE TECTONIC IS RELATED TO THE FORMATION OF GRANITE?

68. ## GEOLOGY

WHAT NATURAL GEOLOGIC EVENT (EARTHQUAKE, VOLCANO, ETC) CREATED GRANITE?? I CANNOT FIND ANY INFO ON IT.

69. ## HIS

WHAT IS THE SIGNIFICANCE OF THE WESTERN EXPANSION?

70. ## HISTORY

What is the significance of the Rosies in American culture? When I look it up, I get info about the Riveter....is that the same thing?

71. ## PRAXIS

DOES ANYONE KNOW WHERE I CAN GET FREE INFO ON PRAXIS TESTS??? ANY POINTERS ON THE TESTS??

72. ## HISTORY

What would 3 newspaper headline be that would indicate the significance of the attack on Pearl Harbor? They would need to be from a political, social and from an economic perspective. Please help with this. I've came up with these: THIS MEANS WAR!! BATTLE

73. ## HISTORY

Why was the Great Depression called the great leveler?

74. ## HISTORY

I cannot find information on the emergence of mass society, mass media and how celebrity influenced change? Changes in the 1920's create a clash of values btw. modernists and traditionalists? how traditionalists fight back against the age of modernism and

75. ## HISTORY

how might the end of world war I influence social, political, and economic changes

76. ## HIS125

What are some federal government strategies for uniting citizens and gaining citizen support for WW I format?

77. ## GEO/101

Approximately how many tons of lignite would be required to produce the amount of heat generated by one ton of anthracite coal?

78. ## GEO/101

Describe the different types of faults and discuss at least one similarity and one difference between a fault and a fold. If the San Andreas Fault in California is to continue its activity, what does the future look like for that area? What precautions

79. ## HIS125

Progressivism was the first national reform movement that set out to resolve social problems without the aim of overturning the government. What tactics did progressives employ to influence the government at all levels? Why were progressives so successful

80. ## HIS125

explain the various African American responses to jim crow laws

81. ## History

what is the relationship btw. the issues the political system dealt with in the Gilded Age and current American issues. Would they be similar or different?

82. ## HIS125

what are some social, economic and political changes that played a role in the changing, vibrant city culture? How would they be significant to growth and change in the country as a whole??

83. ## History

What factors shaped the move from colonial, country life to modern, urban life? What was urban city life like during the rise of urbanization? How was it different or similar to modern urban life?

84. ## Algebra

please help me!! Solve by elimination method: 3r - 5s = 6 5r + 3s = 44 I thought that I could do vertical addition,when I do, I get 8r - 2s = 50...........but none of the variables are eliminated.

85. ## MATH 116

Determine whether the given numbers are solutions of the inequality. 1, -17, -19, 3 y-10 > 2y-4 Is 1 a solution?-17?-19?-3???

86. ## MATH 116

Examine the rise in gasoline prices from 1997 to 2006. The price of regular unleaded gasoline in January 1997 was \$1.26 and in January 2006 the price of regular unleaded gasoline was \$2.31 (Bureau of Labor Statistics, 2006). Use the coordinates (1997,

87. ## MATH 116

Suppose you are at the gas station filling your tank with gas. The function C(g) represents the cost C of filling up the gas tank with g gallons. Given the equation: What does the number 3.03 represent? Find C(2) & Find C(9) PLEASE HELP!!

88. ## MATH 116

graph the equation & identify the y-intercept PLEASE!!! X + 5Y=25

89. ## MATH 116

b) The water line is given by the equation y=-2/3x-12. Suppose you want to put a pink flamingo lawn ornament in your backyard, but you want to avoid placing it directly over the water line, in case you need to excavate the line for repairs in the future.

90. ## MATH 116

You are planning to spend no less than \$6,000 and no more than \$10,000 on your landscaping project. Write an inequality that demonstrates how much money you will be willing to spend on the project. How can I write an equation to fit this? \$10,000=\$6,000-n?

91. ## ART

what is the difference between analytical and expressive lines providing examples of each?

92. ## MATH 116

In your industrial oven, you bake two baking sheets with 12 scones each, two baking sheets with 20 cookies each, and one baking sheet with 2 scones and 10 cookies. Write an expression that illustrates the total cost of all baked goods in the scenario above

93. ## MATH 116

HOW DO YOU KNOW WHEN AN EQUATION HAS INFINITELY MANY SOLUTIONS AND WHEN AN EQUATION HAS NO SOLUTION??

95. ## MATH 157

I am looking everywhere.....in my notes and in my chapter. What would the other endpoint of a line segment with the given midpoint and one endpoint? ENDPOINT (0,0) MIDPOINT (2, -8)

96. ## MATH 157

Ok, I got another question: when trying to find the distance between the two points (4,3) and (9,15) & using the formula wouldn't the answer be 13?

97. ## MATH 157

X^2 + 6 = -8x..........Isn't this quadratic?

98. ## MATH 157

When solving this linear equation, -8.3 = X + 6.1 don't I take 6.1 from both sides and get x = 2.2?

99. ## MATH 157

Wouldn't you use milligrams to express the mass of a flower petal?