Pre- Calculus

21,811 results, page 33

1. Social Studies

Which of the following groups would most likely not want to remain loyal to Great Britain during the pre-Revolutionary period?
2. pre calculos

A statement Sn about the positive integers is given. Write statements Sk and Sk+1, simplifying Sk+1 completely. Sn: 1 + 4 + 7 + . . . + (3n - 2) = n(3n - 1)/2 please, can you help me I need the formula how to solve it.

which of these non terminating decimals can be converted into a rational number? a. 0626226222... b. 0.0020220222... c. 0.123123123...*** d. 0.898998999... Am I correct? Thank you!
4. Math / Pre-Algebra

Seriously stuck on this: "Find the LCM of n^3 × t^2 and n × t^4?" 1) n^4 × t^6 2) n^3 × t^6 3) n^3 × t^4 4) n × t^2 Can anyone help? URGENT! NEED THIS ANSWERED TODAY! ASAP!! :( Thanks for your assistance in advance, NatR

Seriously stuck on this: "Find the LCM of n^3 × t^2 and n × t^4?" 1) n^4 × t^6 2) n^3 × t^6 3) n^3 × t^4 4) n × t^2 Can anyone help? URGENT! NEED THIS ANSWERED ASAP!! :( Thanks for your assistance in advance, NatR
6. Pre-Calc

Find the exact value of sin345 degrees using a sum or difference formula. I got (-sqrt6 + sqrt2)/4. Is this right?
7. Pre Algebra

My problem is evaluate the expression -1 11/16 - (-4 1/6)? 1) -27/16 + 25/6 = -81/48 + 200/48 = 119/48 = 2 23/48 2) -1 33/48 + 4 8/48 = 3 41/48 Have to do it two ways, why can't I get the same answer. What am I doing wrong? Thank you very much
8. Pre-Algibra

Find the radius of a cone with a height of 14 cm and a volume of 718.4 〖cm〗^3, use 3.14 for X and remember to show all work
9. pre ap math

a toy rocket is launched from a platform that is 48 feet high. the rockets height above the ground is modeled by h=-16t^2+32t+43.
10. math- pre calc

Suppose that (x,5/13) is a point in quadrant 2 lying on the unit circle. Find x. Write the exact value, not a decimal approximation.
11. Pre-Calc

Help solving this please. I am unsure how to do it? Determine the domain of the following functions, write answer using interval notation. P( x )=log2(3x-8)
12. Pre-Calc

Use a graphing device to find all solutions of the system rounded to two decimal places. x-3y=1 y=x^3-5x^2 There are 3 possible answers. Thank you!
13. Pre calc

Find an equation of the parabola described and state the two points that define the latus rectum Focus at (0,4) ; Directrix the line y=4
14. Pre calc

Use the Pythagorean identities rather than reference triangles. Find tanθ and cotθ if secθ = 3/2 and sinθ <0 Please help me , thanks so much
15. math (calculus)

A room has dimensions 2.24 m (height) × 5.30 m × 6.55 m. A fly starting at one corner flies around, ending up at the diagonally opposite corner. (a) What is the magnitude of its displacement? (b) If the fly walks rather than flies, what is the length of the shortest path it ...
16. Pre-Calculus

Which of the following statements best describes the domain of the functions sine and arcsin? A)Sine domain is all real numbers; Arcsin domain is all real numbers. B)Sine domain is restricted; Arcsin domain is all real numbers. C)Sine domain is all real numbers; Arcsin domain ...
17. essay

During my four years in high school, I have taken a lots of classes to prepare for college. As I took ELD classes ( English Language Development ) during my freshman and sophomore year, I realized that I could not meet the college's requirement. So in my senior year, I decided...
18. Statistics

In Professor Smith's statistics course, the correlation between students' total scores before the final exam and their final exam scores is r = 0.67. The pre-exam totals for all students in the course have a mean of 275 and a standard deviation of 26. The final exam scores ...
19. senior courses

So far in high school i have taken geometry, algebra 2, and trigonometry. one of my friends is taking calculus and she says its way too difficult. and since i have alot of trouble in algebra and trig myself i don't think calculus would be the right choice for me next year. ...
20. Calculus

Can someone show how to solve this problem Two vertical towers of heights 60 ft and 80 ft stand on level ground, with their bases 100 ft apart. A cable that is stretched from the top of one pole to some point on the ground between the poles, and then to the top of the other ...
21. Pre-Algebra Calculus

NEED HELP PLEASE Mixture Problems 1.Joe created a metal containing 40% platinum by combining two other metals. One of these other metals weighed 12 lb. and contained 45% platinum. If the other weighed 3 lb. then what percent of it was platinum? 2. 12 gal. of a saline solution ...

what is the integral of x/(1+x^2)^2 dx This is a question of a past AP exam of calculus BC i know i have to use the substitution method where u=(1+x^2), du=2xdx. I have to find the integral but i'm just focused on the coefficient because i get a different answer for that part ...
23. pre-algebra

convert the units. Round the result to the nearest tenth. 1- 2 years to months 2- 168 days to weeks 3- 1270 minutes to hours
24. History/Eco

How did institutions diverge between China and the West? Reasons for it being the highest income p.c. pre 15th centruy and falling thereafter?

Consider the function y=arcsin x. a) Use a grapging utility to complete the table. x = -1 -0.8 -0.6 -0.4 -0.2 y = ? ? ? ? ? I am not sure what to plug into the calculator to get the answer.
26. pre-calc

Find a vector perpendicular to the plane containing the given points. (0,-2,2), (1,2,-3), and (4,0,-1) My teacher was unable to finish the lesson, but I'd like to know how to solve this problem.

Approximate the equation's soultions in the interval (o, 2pi). If possible find the exact solutions. sin 2x sinx = cosx I do not know where to start.

what is characterization based on? Please define these preffixes and suffixes: pre,re,com,non,ish,ward,less,ment,en,ize
29. Pre-Cal

Find the exact sine value of the angle in standard position whose terminal side goes through the point (-1,5) I do not know when to start
30. Pre Calc

Find the work done by a force F of 30 pounds acting in the direction (2,3) in moving an object 3 feet from (0,0) to the point in the first quadrant along the line y = (1/2)x.
31. College Pre-Algegra

1. Find the exact value of tan660 using the functions of 330deg. 2. Solve the equation 2sin^20+5sin0+3=0 on the interval 0<=0<2pi.
32. math pre cal

What is the future, rounded to whole dollars, of \$25,000 after 7 1/2 years, if money earns at an annual rate of 5.75% compounded continuosly?
33. pre-calc

If the initial investment of 1000 doubles in value in 9.8 years find the rate for continous compounding. so the formula would be A=Pe^rt but where do the numbers go and how do u solve it? Thanks!
34. Pre- Algebra

4(x-2)=3(1.5+x) Use Dis.Property Combine like terms Solve using inverse operations I just don't understand!Please explain
35. Pre-Cal (polynomials)

what is the general relationship between the degree of a polynomial function and the number of "bends" or relative maximum and minimum points in the graph?
36. pre algerbra

direction use the given info to find the new amount wholesale price \$13 and mark up percent 110% can you help me solve this please
37. Pre-Calc/Math

Use factoring, the quadratic formula, or identities to solve cos(x)+1=sin^(2)x. Find all solutions on the interval [0, 2pi)
38. Pre-cal

A bicycle with 26 inch diameter wheels is traveling at 10mph, to the nearest whole number how may revolutions does each wheel make per minute?
39. Pre-Algebra

Bill purchased 4 pens for \$3.32, including \$.16 sales tax. Find the cost of 1 pen. I need this put into an equation with a variable.
40. Pre-Cal

How do you find the number of solutions(not all the answers) for each of the following equations 1) 2sec^2 4x - 3sec4x =5 2) 2tan^2 12x +3tan12x -7 =0 3) 2sin^2 5x + 3sin5x +1 =0
41. sy270

What questions should I ask the parents of four year old Clara about her sudden change of behavior and refusal to go back to pre-school.
42. pre algebra

Suppose that \$2000 is invested at a rate of 5.1% , compounded semiannually. Assuming that no withdrawals are made, find the total amount after 7 years.
43. pre calc

Over which of the following domains is f(x) = csc(0.1x + 1.2) defined at all points and invertible? a. x = [0,10] b. x = [10,20] c. x = [20,30] d. x = [30,40] I know it's either a or d since 20 is an asymptote, I'm just not sure which one.
44. Pre Calc

Use the Pythagorean identities rather than reference triangles . Find tanθ and cotθ if secθ = 5/2 and sinθ <0. Please help ! Much appreciated !!
45. Math (pre-calc)

log2(log4x) = 1 Solve the equation The bases are 2 and 4 respectively, I'm just not sure how to signify that on the keyboard. Thank you so much, help is really appreciated.
46. Pre Calculus

When doctors prescribe medicine at equally spaced time intervals, they are aware that the body metabolizes the drug gradually. After some period of time, only a certain percent of the original amount remains. After each dose, the amount of the drug in the body is equal to the ...
47. Calculus

This is my first calculus class and I am lost on how to answer these. The book isn't giving me a clear explanation for help. Any help someone could provide would be great! 1. Use a reference triangle to find the given angle. cos -1 (1/2) give an exact answer in terms of pi 2. ...
48. pre-algebra

which measurement is the largest. 14mm or 1cm 1cm is 10 mm. It is time you learned this. how do you do this??? you know??
49. pre-calc

what does multiplying a complex number by a real number do to its polar representation?
50. pre algebra

how do you divide integers when one is a whole number and one is a decimal?
51. Pre Cal.

Determine the slant asympotte [sic] for f (x) = (x^2 - 5x - 3)/x My answer: (x^2 - 5x - 3)/x = x - 5 - 3/x The slant asymptote is y = x - 5.
52. pre calc

multiply and simplify (5w-radical 3x)^2 sorry my computer has no radical key!!
53. Pre-Cal

solve cos 5 thetha cos 15 -sin5theta sin 15 =squareroot of 3/2 Thank you
54. Pre Calc

sin^2(x) - cos^2(x) = 1 + cos(x) the answer is equal to or greater than 0 and less than 2 pi
55. pre algebra

the lengths of the sides of a triangle are 9,9 and 15. determine whether this is a right triangle?
56. Math

If I bought an item for \$80 on which there was a 30% markup, what is the formula to determine the pre-markup price?
57. math

I am doing pre algabra math and I am in 7th grade I need help to simplify the expression
58. Pre-Cal

Given the function f(x) = 2x^3 + 3x + 1, state the power function that it’s ends will resemble.
59. science

Observe one hour in a classroom (preschool, pre-kindergarten, kindergarten
60. Pre Calculas

how would you varify the following sinx+sinx cot^2x=cscx
61. pre cal

Is the given function linear or nonlinear. If linear determine the slope. x y = f(x) 1 -2 -2 -14 3 8 4 4 -6 1
62. Pre-algebra

How would I explain to my friend why the quotient of x^8 and x^2 is x^6 and not x^4. She is questioning the rule. How do I explain?
63. pre-algebra

Find the product: (4k^5)(-2k)^3 Is it -32k^8 or -32k^2 I don't know rather to add or subtract the 5 & 3.
64. Pre-Algebra

explain how the process of solving x/-2=8 is different form the procss of solving x/4=8?
65. Math pre algebra

3.5 pounds in 4 cubic inches; x pound in 1 cubic inch
66. pre-calc

find all values of 2sin theta-3csc theta=-5
67. pre algebra

Find the percent of decrease. original cost: \$65; new cost: \$5
68. pre algebra

Find the percent of decrease. original cost: \$65; new cost: \$57.20
69. pre algebra

Find the percent of decrease. original cost: \$65; new cost: \$57.20
70. pre-calculas

what is the function whose graph is the graph of y=ã+4, but is reflected about the the x-axis. y=
71. pre-cal

change the exponential expression to an equivalent expression involving a logarithm. 4.1=a^2
72. pre-cal

find the center (h,k) and radius r of the circle and then find the intercepts, if any. 5x^2+30x+5y^2=0
73. pre-algebra

the perimeter of a pool is 150m. the width is 1/2 its length. what are the dimensions of the pool
74. pre calc

C0rr missi0n kill name id real name die
75. pre+calc

C0rr+missi0n+kill+name+id++real+name+die
76. Pre-Calc/Calc

Which set of parametric equations corresponds to this rectangular equation? y=2x-(x^2 / 10) A. x=4t, y=4t-(t^2 /10) B. x=2t, y=8t-(4t^2/10) C. x=2t, y=4t-(4t^2/10) D. x=.5t, y=2t-(t^2/10) E. x=t, y=t-(t^2/10)
77. pre+calc

C0rr+missi0n+kill+name+id++real+name+die
78. Math Help? Check my answers.

Simplify 6 x 3 divide 3 - 1. Pre-Algebra? Answers: 2 3 5 6 My answer: 5
79. Pre-Alg

write a translation rule that maps point d(7 -3) onto point d'(2 5)
80. Pre-Calc/Trig...

Explain how the graph of the given function is a transformation of the graph of y=x^2 *y=x^2+7
81. Pre-Calc/Trig...

Explain how the graph of the given function is a transformation of the graph of y=x^2 *y=(x+5)^2
82. Pre-Calc/Trig

How would I solve this one? I just can't get this one. 6x^2+11x-35=0
83. Math Pre Calc Help

(cos^4x -sin ^4 x)/(sin^2x)=cot^2x -1 How to prove true?
84. pre calc

The variables x and y vary directly. When x=12, y=9. Write an equation that relates the variables.
85. Pre cal

Simply the equation: 2x^4y^0z^2/(yz^2)^-2 x 2zx^2y^-4 Can you help? I got the denominator to be y^-6 x 2z^5 x x^2 When I solved it, I got x^2y^6/z^3
86. Pre-algebra

Find the side length of a square that has an area of 36 square yards.
87. pre algebra

what is 3y+2(-7+x) First, we need to distribute. 2 times -7 is -14, and 2 times x is 2x, leaving us with: 3y+(-14)+x 3y-14+x 9(4m+1) 9(4m+1) 9(4m+1) 12.x= x=1
88. pre-calc

How do you solve this inequality? 2x over 4 minus 5x+1 over 3 is greater than 3
89. pre-calc

How do you find the asymptotes in general?? For example... f(x)=(1/2)^x, how would I find that?
90. pre alg.

26 centimenters per sec. = _ meters per min.
91. Pre-Algebra

The problem is 6 + -x/2 = 14 My answer is x = 16. The "correct" answer is -16 but I don't understand this solution.
92. pre calc

sketch the graph y=abs(x)+2 then sketch over the y=x line.

94. pre calc

Find the complement and supplement of each angle. 1. 40 degrees 2. 89 degrees
95. Pre-Algebra

The x- coordinate is 0 and the y-coordinate is negative. Is the point in quadrant 3? Explain.
96. pre-algebra

didn't get a clear answer, i do not understand how to find the answer to this problem:2y=2x+10
97. pre calc

find delta in each of the following case: tan delta=-0.75
98. Pre-Cal

sqrt2 /10 Do I just leave this as sqrt2/10 or can I reduce it to sqrt1/5?
99. pre alg

(-4)cubed divided by (-2)cubed -3(-5)squared I got -67 am i correct?
100. Pre cal

Find the exact value of Sin ( sin-1. 9/41 - cos-1 (-5/13)