# Pre- Calculus

21,812 results, page 28

1. ### Pre medical science

what are the working conditons of a pediatrician also advantages and disadvantages
2. ### Pre-Calc

Determine the solution. x^2=|x|algebraically I have no idea how to proceed with this. Can you please help?
3. ### Math pre cal

prove the following identity cos^4X - sin^4X = 1-2sin^2X
4. ### pre algebra

solve equation.. i continually keep getting this problem wrong x/3=x/5-2
5. ### pre-algebra

describe a situation in which you would use a percent greater than 100%
6. ### pre calcalus

angle measure to degree form 401degrees 39minutes 24seconds
7. ### Pre-Cal

Find the exact value of sec 60°tan135°-cot60°sin60°
8. ### Pre Cal

What is the value of: sin^-1 0.6349, sec^-1 0.5496, tan^-1 0.3457
9. ### Pre-Algebra B

5 | 4,5,5,6,6,6,7,8,8,9 6 | 0,0,1,1,2,2,2,3,4,4,4,5,6,7 7 | 0,1,1,1 How do you find the mean of this stem-and-leaf plot? Please answer!!
10. ### Philosophy

Were any of the Pre-Socratic philosophers successful in attempting to solve the problem of the One and the Many?
11. ### Math 98 pre algebra

14 and 2/3 times 2 and 2/11 divided by 3 and 3/8. i got =234 and 1/4 am I correct and if not what is the answer?
12. ### Pre Algebra

9+5k=45+2k I don't even know where to begin with this. Can someone give me some direction please.

Identify any asymptotes of the graph. y = 1.08^5x I know that there is a horizontal asymptote but I do not know how to find it.
14. ### Pre Algebra

Write an equation to find the value of X if the perimeter of a triangle =36. AC=x-2, BC=x, AB is unknown.
15. ### Pre Calc

7x^3-24x^2-19x+12 -----------------=f(x) 2x^3-4x^2-40x+80 Determine all values of x for which f is not defined.
16. ### Pre Calc

x^2+y^2=625 Find an equation of the line that is tangent to the circle at this point.
17. ### pre algebra

Find the five-number summary of the following set of numbers14, 5, 13, 17, 6, 15, 6, 3, 11, 6?
18. ### Pre Calc

How many triangle are determind by the vertices of a hexagon, heptagon, octagon, and n-gon?
19. ### pre cal

how many real number solutions are ther to the equation 10x^2+31x=-24
20. ### Physics

During the pre-industrial era, what were the Carbon Dioxide levels like?
21. ### Pre-Algebra

Measure of two angles of a tringle are 28 and 58. Classify triangle by it's angle.
22. ### pre algebra

how would you solve and check the answer, back to the original problem for 3w+2+3w=-4+9?
23. ### Pre Algebra

How do you draw and lable a circle that has an area between 5 and 8 square units?
24. ### Pre-Cal

solve and round your answer to 4 dec. sinx= .4 in [0,2pi] secx= -3 in [0,pi]
25. ### pre cal\trig

Find the following cot(Arccsc 25/24) show your work
26. ### pre-algebra

Find the x- and y- intercepts for the equation. -x+2y=4 Please show all of your work.
27. ### pre cal

Find all solutions in the interval[0,2pi),cos x/2-sinx=0
28. ### pre cal 2

find the exact solutions in the interval [0,2pi), sin4x=-2sin2x
29. ### pre cal 2

verify the identity tanx times cotx/cosx=secx
30. ### pre cal 2

Find all solutions in the unterval [0,2pi), cos x/2-sinx=0
31. ### Pre-Calc

Find the vertex, value of p, axis of symmetry, focus, and directrix for x – 4 = (-1/6)(y + 2)^2
32. ### pre cal 2

use law of sines t solve the triangle A=5degree 40', B=8degree 15', b=4.8
33. ### Pre cal

I need help finding the zeros of a function algebraically. And here is one of them f(x)= x^3-4x^2-9x+36
34. ### Math Pre Algerbra

The Number of yards in f feet i think it is 1f if not explain by the way 1f = 1 * f

36. ### Pre-Calc

Determine whether the function is even, odd, or neither. f(x)= 7x^(3/4) How do you do this with a fraction?
37. ### pre algebra with pizzazz 239

why didn't the circus managers want their human cannonball to quit?
38. ### History

What language was spoken/written by the venerable bede/ pre Beowulf period?
39. ### Pre- Algebra

Solve x - 5/9 <_ - 2. Write your solution using set builder notation.
40. ### Pre-Algebra

Ok so im in 7th grade and can somone help me with pizzazz worksheet #40? Pretty please?
41. ### Pre- Algebra

Can you graph these equations for me so that I can figure out how to do them? 1). Y=4x-3 2). 4x-5=2x-y 3). Y=1x1+4 4). X+5=2x-7 Can you explain your work?
42. ### pre-algebra

explain the following:(a+b)^2 =//a^2 +b^2. Give a numerical example to illistrate this please.
43. ### pre-algebra

when rounding to the nearest cent does it have to be to right or left or does it matter?
44. ### Pre-cal

How do I find the reference angle in radicals given the value of cosecant 5 pi/6?
45. ### Pre-Calc

find the exact value of sin(-15pi/6) and cot(-7pi/6)
46. ### Pre-Cal (polynomials)

How does the degree of a polynomial function affect the end behavior?
47. ### pre-calc

cosx= -8/17, 180<x<270 find sin x/2= cos x/2= tan x/2=
48. ### pre-calc

find the exact value of the given expression. Thank you! tan(1/2cos^-1(9/10)
49. ### pre-ap chem

what is thew approximate bond angle around the N atom in HNO2?
50. ### pre algebra homework check

Find the sum or difference. 4s^2-11s+s^2-6s+21 Is it 5s^2-17s+21?
51. ### Math applied/pre-cal

(-8/5)^7/4*(-8/5)^1/4=64/25 Not sure how get this answer . Could please show me the steps.
52. ### Math Pre-Algebra

help!! does anyone know how to write an expression to represent the number of minutes in x hours
53. ### pre algebra

i need help for some problomes on my math homework which is [3x]2 [two is for exponent]
54. ### Pre Algebra

simplify the following expression x+4(y+8x) Write the property that justifies each step
55. ### pre-calc

How do I find all the real zeros of the polynomial function of these 3 ? ): 1) g(t) = 1/2t^4-1/2 2) g(t) = t^5-6t^3+9t 3) f(x) = 5x^4+15x^2+10
56. ### pre-algebra

why there's no # 54-72 on pg. 214 on the 7th grade math textbook??? if you can't tel why it's ok and thanks by the way
57. ### Pre-Cal.

Solve the following inequality . Write your solution in interval notations. x+3/x-3<0.
58. ### pre cal

If (a, b) is a point on the unit circle that corresponds to the angle t, then tan(t) equals:
59. ### Pre calc

Write the equation in standard parabola form? x^2+ 4xy +4y^2 +5root5 y+ 5 = 0
60. ### Pre-cal

find all solutions of equation in [0, 2pi) 2 (sec x)^2 + (tan x)^2 -3 = 0
61. ### pre algebra

how many ways can you make 45 cents with pennies ,dimes, nickels, and quarters?
62. ### pre-algebra

describe and correct the error in multiplying -5 and -12, then divide by -4. X -5(-12) -60 ______ = _____ =15 -4 -4

The problem is a(a-c)=23. Solve for c if both a and c are positive numbers. Thanks
64. ### math pre-algebra

a paved brick is 3x , 2x+2 , 5x-3 , 2x+2 find the perimeter of five bricks
65. ### Pre-Algebra

I think I understand how you do scientific notation. But how do you solve a problem like 2.5 x 10^7?
66. ### pre-algebra

find the two ordered pairs that you can use to graph the equation y=-1/3x-2
67. ### pre-calculas

Use "completing the square" to find the zeros of the polynomial. =2x squared + 6x + 5 = 0
68. ### math pre algebra

i need help with linear functions with ways to remeber them easier
69. ### Pre-Calc

Eliminate the parameter x = abs(t-3) and y = t + 3...how do you undo the absolute value in order to get y=?
70. ### Pre-calc/Trig...

which of the following are quadratic functions? check all that apply 1. y=2x^2-3x+7 2. y=3x-4 3. y=(5x-3x^2)/4+1 4. y=x-x^3
71. ### Pre-Calc/Trig

y=-x^2+5x+36 converting into intercept form is this the correct answer? y=(x+9)(x-4)
72. ### Trig/Pre-Calc

Solve the polynomial equation. 15x^3-119x^2-10x+16=0
73. ### Pre-calc/Trig

For each parabola, tell in which direction the graph opens. x= 1/2y^2 y= -1/24x^2
74. ### pre-algebra

The scale factor for a blueprint is 7cm= ___m Model 40.4 cm actual 80.6m
75. ### Pre ALGEBRA

HELP PLS MS SUE. Find the surface area of a sphere with a radius of 8 cm.
76. ### pre-cal

find the length of side b ABC to the nearest whole number if A = 42, B = 87, and a = 24
77. ### pre algebra HELP

Can someone help me with this? I have to use order of operation with it to -12/3x(-8+(-4^2) -6)+2 My answer: -6 Is this correct???
78. ### Pre-Algebra

how do I solve... 6/x + 3/ (I'm studying adding and subtracting mixed/improper fractions)
79. ### Pre-Algebra

Please check....... convert to slope intercept form y-27=4x 16-2y=22 8x+11-4-27 -11/-11 8x=4x+38 +4x 4x 12/12x=38/12 = 1 1/3
80. ### Pre Algebra Test

Which quadric rule represents the data in the table below? A. y=-2x^2+5 B. y=-x^2+5 C. y=x^2-5 D. y=x^2+5
81. ### Pre cal 11

What the r the factors of this expression. 4(5b-3)^2+10(5b-3)-6. plz explain all steps to this answer and thanks :)
82. ### pre cal

HELP! what type of equation does the rectangular form y=4(square root of 2x/3)-1 describe???
83. ### pre cal

This is like the preceding problem, except that your answers may be negative x^2+7/3x+ =(x+ )^2. x^2−5/7x+ =(x+ )^2. x^2+2/3x+ =(x+ )^2.
84. ### pre cal

Solve the following inequality. Write the answer in interval notation. x^4>4x^2
85. ### pre calc

Give the coordinates of the circle's center and its radius. (x−1)^2 +(y+8)^2 =16 a. (-1,8); r=4 b. (1,-8); r=16 c. (1,-8); r=4 d. (-1,8); r=16 e. none of these
86. ### pre-calc

We use the same polynomials as in the first question. Suppose that 3x^3 + 2x + 1 = (ax^2 + bx + c)(x+2) + d. Then b is equal to:
87. ### Pre calc

Evaluate the expression given that cosine a=4/5 with 0<a<pi/2 and sin b=-15/17 with 3pi/2< b<2pi
88. ### Pre Algebra

A baker can prepare 2 1/2 dozen cupcakes in 1/4 hour. what is the unit rate?
89. ### Social Studies Pretest

Plz help on this pre test. Its unit 3 lesson 1 anyone know the answers
90. ### Pre-calc

Perform the operation and write the result in standard form. ___16___ 2x+2
91. ### Pre algebra

What are the actual dimensions of the sofa in inches? 90 x 45 90 x 36 75 x 25 80 x 30 I think its the second choice
92. ### early child ed

Is it true that some pre-schools assign homework now?
93. ### pre algebra

can you please tell me if my answers are correct? For questions 1-5 solve the equations -9x-5=-95 A 17 B 11 c 10 d -10** x/3-10= -12 A -6 B -66 C 6 D 66** d/3 + 10= -12 A 51 B 20 C 0 D -9** 2(2-2x)= -3x A -4 B 4 C 6** D 0 2.9n + 1.7= 3.5 + 2.3n A 3 B -3 C .3 D 1
94. ### pre algebra

can i please have the answers for these and why they are that answer? cause im stuck on these and it's very important. #1 -9p - 17 = 10 A -3 B 16 C 18 D -16 #2 w/4 - 4 =3 A -4 B 28 C 3 D 11 #3 x/5 + 6= 10 A 44 B 30 C 20 D -20 #4 -2(m-30)= -6m A -15 B -13 C -8 D 8 #5 5.4 + 0.2...
95. ### pre-calc

Find the indicated nth partial sum of the arithmetic sequence. 2, 10, 18, 26, . . ., n = 15
96. ### Pre-Calculus Help?

1.) Which of the following polar equations is equivalent to the parametric equations below? x=t^2 y=2t A.) r=4cot(theta)csc(theta) B.) r=4tan(theta)sec(theta) C.) r=tan(theta)sec(theta)/4 D.) r=16cot(theta)csc(theta) 2.) Which polar equation is equivalent to the parametric ...
97. ### Pre-Calculus

A local salesman receives a base salary of 675 monthly. He Also receives a commission of 11% on all sales over 1900. How Much would he have to sell in a month if he needed to have a monthly income of 3000? My Work: 1900*.11=209 3000-675=2325 2325/209=11.12440191 1900*11....
98. ### pre calculus

You have a \$50 coupon from the manufacturer good for the purchase of a cell phone. The store where you are purchasing your cell phone is offering a 20% discount on all cell phones. Let x represent the regular price of the cell phone. (a) Suppose only the 20% discount applies. ...
99. ### Calculus Graph help!!!

I need help with a calulus graph and figuring out its equation but it wont let me post the picture of the graphs here. so will someone who understands Calculus and their graphs super well please email me k m k underscore horse lover at hot mail dot com. no spaces and an actual...
100. ### 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 ...