# Pre- Calculus

21,812 results, page 29

1. ### Discrete Math

There are 150 students taking Discrete Mathematics II, Calculus II, and Physics I courses. Of these 51 are taking Discrete Mathematics II, 111 are taking Calculus II, and 63 are taking Physics I. There are 41 taking Discrete Mathematics II and Calculus II, 32 students taking ...
2. ### Calculus

A certain calculus student hit Mrs. Evans in the head with a snowball. If the snowball is melting at the rate of 10 cubic feet per minute, at what rate is the radius of the snowball changing when the snowball is 1 foot in radius?
3. ### Pre-calculus (trigonmetry)

The Bermuda Triangle is an unmarked area in the Atlantic Ocean where there have been reports of unexplained disappearances of boats and planes and problems with radio communications. The triangle is an isosceles triangle with vertices at Miami, Florida, San Juan, Puerto Rico, ...
4. ### math

65 men 75 women are enfolled in calculus. There are 30 business majors, 40 biology majors, 50 computer science majors, and 20 mathematics majors. No person has a double. If a single calculus student is chosen, find the probability that that the student is not a mathematics major
5. ### Pre Algebra

How do you subtract and add mixed numbers? Give an example of a problem so that I can show you.
6. ### pre-algebra

Solve the inequality- -7z<21 See my answers to Jill and Sarah. I hope this helps. Thanks for asking.
7. ### pre.al.

find the measure of an angle if the sum of the measures of its complement and supplement is 162 degrees.
8. ### pre-cal

can anyone please explain to me how to simplify this exponential expression??I got no idea...THANKS A LOT! [(-8x^6)/(y^-6)]^2/3
9. ### Pre Algebra

How can I find the area of the shape when it has three units? Heres how it looks: Thanks to who helps :)
10. ### pre-algebra

I need to know how to find the mean,mode,median and range of a set of numbers
11. ### Pre-Algebra

Find the differences between the following values: a) 217 and -198 b) 1 2/3 and 3/4 c) \$o.59 and \$1.25 What am I suppose to do?
12. ### Pre-Algebra

How do you find an equation if you only a have a graph. Like, its already graphed??
13. ### Pre calc

How do you write a quadratic equation in standard form for a given set of zeros?

how do I simplify the following expressions by collecting like terms? x+2+x= x+x+x+4+8+x= 2x-9+x
15. ### Pre-Algebra

In a-c, explain what would happen to a figure if you transformed it using the given rule. a. (3x, 6y) b. (x+2, y+1) c. (2x, 2y +5)
16. ### pre-algebra

write the expression using only positive exponents 1.13^6 2.8^-9 3.xy^0 4.6g^-5 how do you do this? please and thankyou
17. ### pre-algerbra

what is the simplest form 8/22 16/24,9/21/,20h/24h using product of prime factors.
18. ### Pre Cal.

If cscè= -5/4 and 180degree < è < 270 degree, find tanè. (-3, -4) r=5 tan=y/x=-4/-3=4/3 Is this correct?
19. ### 7th pre-algebra

I need help understanding how to slove two step equations. Example -10 - k=-36
20. ### pre algebra

solve and check the following equation:I have no idea as to how to answer this. 69g-60=5g-2-g
21. ### Pre Cal.

Find the area between each curve and the x-axis for the given interval. a. y=x^4+5 from x=0 to x=5 650 b. y=3x^2+5x-1 from x=1 to x=4 97.5 c. y=4x-x^3 from x=0 to x=2 4

what is the sum of the numbers 1 to 1000? ans:500500
23. ### pre calc

Find two functions defined implicitly by the given relations: (a) 3x² - y² = 25 (b) y² = x
24. ### Pre-Cal

Find the maximum value of f(x) = -2x^2 + 12x - 14 Do i have to set this equal to o to solve?
25. ### Pre-Cal

Use the law of cosines to find the angle of Q between the given vectors. v=3i + j w=2i - j
26. ### pre aglebra

find the distances between the points H(15,-3) and G(-10,-1). round to the nearest tenth,if necessary.
27. ### pre algebra

express 56 novels out of 168 books as a fraction in simplest form
28. ### pre algebra

two number cubes are rollede. what are the odds of getting s sum less than 7?
29. ### Pre Calc

Complete the square to find the center and the radius of the circle: 3x^2+3y^2-12x+24y+15=0
30. ### Pre calc

Find the Domain of the function: f(x)=the square root of the entire fraction- x^2+6x-16 over x^2-2x-15
31. ### Pre Calc

Complete the square to find the center and the radius of the circle. 3x^2+3y^2-12x+24y+15=0
32. ### pre calc - polynomials & factoring

perform the opertaion and write the result in standard form... (2x^2 + 1) - (x^2 - 2x + 1)
33. ### Pre-calc

how many radians are displaced by the minute hand of a clock between 1:00 pm and 6:45 pm of the same day

find the solutions of the equation that are in the interval [0,2pi) 2-cos^2x=4sin^2(1/2x)
35. ### Pre-Calc

Can someone show me how to do this please. I am stuck. find a number x such that e^2x – 12e^x =13
36. ### Math/Pre Cal

Find the sum of the geometric series 128-64+32-______to 8 terms .
37. ### Math/Pre Cal

Find the sum of the geometric series 128-64+32-______to 8 terms .
38. ### Pre Calc

f(x,y)=ln(5x^2-7y^3) Find ALL 2nd derivatives. fxx,fxy,fyx,fyy
39. ### pre-cal **need help for test in the morning

Find zeros: f(x)=12x^(3)-107x^(2)-15x+24
40. ### pre algebra-math

two fractions equivalent to the given factor: 1) 18/21 2)3/17 thank you so much if u helped me
41. ### pre algebra

Write a rule that expresses the number of quarts q of a liquid as a function of each of the following
42. ### pre algebra

I am in college the question is: Find the opposite of the given signed number 0.095.
43. ### Pre-Calc

Find the area of the region between the graph of y=1/x, the x-axis, and the vertical lines x = 1 and x = 4.
44. ### Pre-algebra

State a definition of a polynomial in the x. Give an example of a monomial, a binomial and a trinomial. Thank you.
45. ### pre-calc

True or false: Perpendicular lines have slopes that are reciprocals of one another.
46. ### Math

How would I draw an age appropriate graphic organizer on snow for a Pre K classroom?
47. ### pre cal

Given triangle ABC, A = 120, a = 8, b = 3; determine B to the nearest whole degree
48. ### English Comp

I need help on how to write a compare and contrast essay on the topic of pre-school
49. ### Pre-Calc/Math

Prove identity: (sec x/csc x) + (sin x/cos x)=(2/cot x)
50. ### pre algebra

Determine the radius of the circle given its area. Use 3.14 for π. A=3.7994 ft^2
51. ### interior decoration

What is pre-shopping? A cold call is a ? The primary purpose of qualifying clients is to?
52. ### Math ( Pre Calc)

Find all real and imaginary roots of the polynomial equation 3x^4-x^3+4x^2-2x-4=0

find the mid point of the line segment joining the points P1 and P2. P1 = (3,5) P2 = (-4,7)
54. ### Pre-Calc

I have to solve these using matrices by hand. Can someone please help me? 2x-3y-2z=4 (1/4)x-(2/5)y+(3/4)z=(-1/3) -2x+1.3y-3z=5 Thank you so much! :)
55. ### Pre-Algebra

Simplify the expression. Write the result using positive exponents only. (-2x^3y^-4)(5x^-1y)
56. ### pre calc

How long would it take from 3000 to get to 8000 at 8% interest at compounded quarterly?
57. ### pre algerbra

Please solve the system with the elimination method. Explain each step as it is performed. 5y = x 2x - 3y = 7
58. ### Pre calc

Write the equation in standard parabola form? x^2+ 4xy +4y^2 +5root5 y+ 5 = 0 Thanks so much!
59. ### Pre-Cal

For given functions f and g find formulas for a)f o g and b)g o f. Simplify results as much as possible. f(t)= t-3/t+6 , g(t)= 1/(x+6)^2
60. ### pre cal

how do you determine the the quadratic function if the problem gives you a graph with the line has points of (-3,5) and (0,-4)?
61. ### pre-calculas

find the LCD and solve: x+3 12x + 4 1 - 2x ____ + _________ = _______ 3-x x squared - 9 x + 3
62. ### Pre Calc

Solve the following inequality in terms of natural logarithms (ln). (e^6x)+2 is less than or equal to 3.
63. ### Pre alegabra

There are 14 nickels, 10 dimes, 6 quarters, and 22 pennies, what's the probability I will pick a dime from the jar?
64. ### pre cal

f as a function of x is equal to the square root of quantity x plus two; g(x) = 8x - 6 Find f(g(x)).
65. ### pre cal

Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x. f(x) = x2 - 3 and g(x) = square root of quantity three plus x
66. ### Pre-Calc

Find the zeros of the function algebraically. Show all work. f(x)=x^2-8x+15 ---------------- 10x
67. ### Pre-Calc

Find the zeros of the function algebraically. Show all work. f(x)=x^2-8x+15 ---------------- 10x
68. ### Pre-Calc/Trig...

am i correct? What is the axis of symmetry for the graph of y=2x^2-4x+2? x=? the line goes through 1? x=1
69. ### Pre-Calc/Trig...

Help me please. Solve the equation: (x-3)(x+2)=0 Enter the solution with the lowest value.
70. ### Pre-Calc/Trig

Describe the end behavior for function by writing a limit expression. f(x)=2x^5-x+7
71. ### math

what is the answer to the famous farming exression, from creative publications pre-algebra with pizzaz
72. ### pre-algebra

how do you rewrite rational numbers -0.56, -2.3,2.11, I do know where to start I'm a mom trying to help my son with his homework
73. ### Pre-Calc/Trig

write an equation of the conic section: a hyperbola with vertices (0,-6) and (0,6) and asymptotes y=(3/4)x and y=(-3/4)x
74. ### algebra

I an taking a pre test and I can't figure this question out at all--- 56x^7+21x^4+63^3
75. ### Pre-Cal

Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x. f(x) = (x-7)/(x+3) and g(x) = (-3x-7)/(x-1) I got to the point where f(g(x)) is plugged in but how would I simplify it? (((-3x-7)/(x-1))-7)/(((-3x-7)/(x-1)+3)
76. ### pre algebra

2. 2x^2+8-4x+3x-6x^2+7 a. -8x^2-7x+15 b. -4x^2-x+15 c. 4x^2+x+15 d. 8x^2+7x+15 3. 4x^2+8x-11x+6-5x^2+2 a. -x^2-3x+8 b. -x^2+3x+8 c. x^2-3x+8 d. x^2+3x+8 can u please help me out with these questions steve or damon or ms sue. pls help me
77. ### Physics

a 475 kg pre-stressed concrete beam is to be raised 10.0 m in 24.0 s. how many kw of power is needed to for the job
78. ### Pre Calculas

Need help Give an example of an exponential function that goes through the point (0,4) .
79. ### Pre-Calc

What is the standard form of the equation of the parabola that has a vertex at (4, 3) and passes through the point (-4, -2)? Is it f(x) = -5/64(x - 4)^2 + 3?
80. ### Pre-Cal

Sin^2xcosx+4sinxcosx+3cosx=0 I'm not even sure where to start. Help please
81. ### pre-cal

Find the zeros, if any exist. Round your answers to two decimal places.
82. ### Pre-Algebra

A basketball team won 14 out of 20 games. What fractional part of the game did they win?
83. ### Pre-Calc

Write the equation in standard form of the circle which passes through (-2, 16) and has x-intercepts -2 and -32.
84. ### Pre calc

estimate, correct to three decimal places all the zeros of the polynomial p(X) = x^4 - 4x^3 +5x -1
85. ### pre cal

This is like the preceding problems except that your answer is an algebraic expression. x2+2sx+ =(x+ )2.
86. ### Pre -algebra

the scale of a map is 2cm:15km find the actual distance for 2.1cm
87. ### Math pre algebra 0096

multiplying by 1 to find an expression equivalent to (10/13) with a denominator of 104y Thank you for your help.
88. ### Pre Algebra

Point A(8,–10) is reflected over the y-axis. Write the coordinates of A’. (-8,-10) (8, 10) (8, -10) (-8, 10) My answer was B. Am i right?
89. ### pre-algebra

please help to write the inequality for this problem. the difference between a number and 10 is at most 27.
90. ### Pre-Algebra

Find the lateral area of a square pyramid with the base edge as 8 m and the height as 22 m.
91. ### Pre-Calc

cos^3 = (1/2 cosx)(1+cos2x) Please make the left match the right.
92. ### Math (pre-calc)

36^(2x+4) = (square root of 1296)^x Solve for x I'm really stuck on this one too, thank you for your help
93. ### Pre calc

Perform the indicated operation and simplify the result Tanx(cotx-cscx)
94. ### calculus

Find the length of the curve given by the equation y= intergral from -pi to x of sqrt(cos(t)) dt for x between -pi and pi. I think I know to do this- at least part of it. I am using the fundamental theorem of calculus and the arc length formula, but I don't know how to find ...
95. ### Pre-Calculus

Hi! I need help with these two. Here's the link for both pictures. 1.) Determine the intervals over which the function is increasing, decreasing, or constant. Write your answer in interval notation. Link for photo: file:///C:/Users/Cynthia/Downloads/Save.PNG 2.) Determine the ...
96. ### Calculus

At a certain factory, output Q is related to inputs u and v by the equation Q= 17u^2+(16u+17v)/(u+v)^2 If the current levels of input are u= 10 and v = 25, use calculus to estimate the change in input v that should be made to offset a decrease of .7 unit in input u so that ...
97. ### calculus?

Hello can u help? I need a solution to calculus problem I have \$500.00 to spend on fencing for a garden. The fence for the street side costs \$30.00 per foot and the other three sides cost \$10.00 per foot. what dimensions will give you a rectangle for the largest possible area...
98. ### Financial Data and Choosing stocks

Now that you’ve analyzed a company based on its financial statement, let’s compare two companies. Choose two related companies to answer the questions below (for example: Toyota & Honda, Apple & Microsoft). Questions: 1. What two companies did you choose? How are they ...
99. ### Pre Calculus

ok I appologize for my stupidity... I'll answer your question... ok instructions to this problem In problems 77-88, use properties of the trigonmetric functions to find the exact value of each expression. Do not use a calculator 85. sin(-pi/12)csc( (25 pi)/12 ) book dosen't ...
100. ### Pre-Calculus

In the Adirondack Mountains near Tupper Lake, New York, forest fire observers used fire observation towers for over 70 years. The people who staffed the towers reported forest fires and smoke sightings. As many as 57 towers were used by the observers; however, in the early ...