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Honors Pre-Calculus

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Pre-Calculus
I am in Honors Pre-Calculus and am having a hard time understanding my teacher. I feel so stupid. Does anyone have any suggestions on a website that might give me some insight into what I am doing wrong? Thanks!

pre calculus honors
solve the system if possible | x+y+z = 15 | | < 7x+y+z = 75 | | | 3x+y-z=29 a. x=10,y=2,z=3 b. x=–10,y=–2,z=–3 c. x=3,y=10,z=–3 d. x=12,y=9,z=–3 e. no solution; inconsistent system

Pre-Calculus/Calculus
I am too embarassed to ask this Calculus (really pre-calculus) question in tutoring, because I know I should know. Is the inverse of f(x)=3x-1 actually f(x)=1/3x+1? How do I find it? What if it asks the same equation replaced with f to the -1 power (x)? I think I know how the ...

Honors Pre-Calculus
The prompt says "Graph each function. Determine the interval[s] for which the function is increasing and the interval[s] for which the function is decreasing." The problems that are given in this prompt are: 1. y= x^3+3x^2-9x 2. f(x)=1/(x+1)-4 3. g(x)=(x^2+5)/(x-2) I need mega...

Honors Pre Calculus
Verify the trigonometric identity: (1+sin x)/ (1-sinx)=(1+sin x)/[cos x] Hint: [cos x] means the absolute value of cos x

Honors Pre Calculus
Verify the trigonometric identity: (1+sin x)/ (1-sinx)^2=(1+sin x)/[cos x] Hint: [cos x] means the absolute value of cos x

Honors pre algebra
What is the mixed number form of 4.1 with a repeating 66?

Pre Calculus
Pre Calculus why is sin(-20)/cos 380 equal to tan (-200)

Finite Math
Fifty percent of students enrolled in calculus class have previously taken pre-calculus. Thirty percent of these students received an A for the calculus class, whereas twenty percent of the other students received an A for calculus. Find the probability that a student selected...

Honors Pre Calculus
Tony visits the local fair and sees one of the rides, the ferris wheel. The ferris wheel has a diameter of 50 feet and is on a platform of 4 feet. If it takes 12 seconds to make one full revolution, what is the equation of the height of a person on the ferris wheel at any time t?

Honors Pre-Calculus
The latitude of Durham, North Carolina is 36 degrees North. About how far from Durham is the North Pole? Use 3963 miles for the radius of the Earth. I believe there is a formula of s=r times the feta angle, but you may have to convert the degrees to radians. I'm not sure what ...

Honors Pre-Calculus
You are traveling in a car toward a certain mountain at a speed of 80km/hr. The apparent size of the mountain is .5degrees. Fifteen minutes later the same mountain has an apparent size of 1 degree. About how tall is the mountain? I believe you must convert the degrees to ...

algebra honors
I was placed into algebra honors instead of advanced math.. I am in 7th grade.. I have to maintain an 80% for the entire year or go to virtual school all summer.. My question is: Is there a special technique, formula, or very useful site that might help me grasp the concepts ...

Honors PRE CALCULUS
Three different weights are suspended from three different springs. Each spring has an elasticity coefficient of 18.5. The equation for the vertical displacement is y= 1.5cosine(t times the square root of k/m), where t is time, k is the elasticity coefficient, and m is the ...

Honors PRE CALCULUS
Three different weights are suspended from three different springs. Each spring has an elasticity coefficient of 18.5. The equation for the vertical displacement is y= 1.5cosine(t times the square root of k/m), where t is time, k is the elasticity coefficient, and m is the ...

Probabilities
A team has 10 players named A, B, C, ... . Before each game an o®ensive captain, a defensive captain, and a water-boy are determined by chance. No one may have more than one of these honors per game. The probability the C and D both win honors for the sixth game is closest to...

Art
One local war memorial shows a statue of the goddess of victory while the other is a wall the list names of dead soldiers which answer best describes the different purposes of this memorials ? A. One celebrate sacrifice, the other honors leadership . B. One celebrate victory, ...

Honors Pre-Calculus
It is known that when a car with wheels of radius 14 in. is driven at 35 mph, the wheels turn at an approximate rate of 420 revoulutions for minute. Show how to obtain this rate of turn. If you ride a bicycle a distance of 5 miles in 15 minutes at a constant speed and if the ...

Honors Pre-Cal
We're reviewing and I forgot how to do this. Given y=x2-4+3 (x2 is x squared) a)write in standard from b)find vertex c)find equation of the axis of symmetry d)find the x-intercepts e)find the y-intercept

Honors Pre- AlgebraMath
Winona needs to average 5.8 points from 14 judges to win the competition. The mean scores from 13 judges were 5.9. What is the lowest score she can get from the fourteenth judge and still win?

Pre-Calculus
I'm trying to finish up my pre-cal homework and I am stuck on 2 problems... ***determine the intervals over which the function is increasing, decreasing, or constant*** 32. f(x)=x^2-4x 33. f(x)=√x^2-1 (that's square root of x^2-1) thank you so much for the help =)

Pre-Calculus
I'm trying to finish up my pre-cal homework and I am stuck on 2 problems... ***determine the intervals over which the function is increasing, decreasing, or constant*** 32. f(x)=x^2-4x 33. f(x)=√x^2-1 (that's square root of x^2-1) thank you so much for the help =)

pre-ap pre calculus
To solve an equation by finding x-intercepts, Cynthia graphed the function y=x^3-5x+|2x-3| Give several possibilities for the original equation. How do I do it and what's the answer? Thanks

Pre Calculus 12
Im going over my pre calculus 12 exam, and I need help with one question from the chapter Transformations of graphs and stuff. Combining Transformations 2y = f(5x-10)+8 The original points are (4,6) and the new points I got by translating it and stuff are : (14/5,20) But in ...

Question
Do i really have to be in AP or IB classes in order to get into Yale School of Arts or no don't worry you don't have to take AP or IB but only if you are doing very well in school but you still have to be in honors like regular honors or regents.

Pre-Calculus
Can you show me how to find the rectangular equation: r=2cos(theta) + 3 sin (theta) All I need is an example to work off I was absent today from Pre-Calc and I have homework to do and no explanation with them-Please help with this one Thank you

pre calculus honors
An object moving vertically is at the given heights at the specified times. Find the position equation s = 12 at^2 + v (small o) t + s (small o) for the object. At t = 1 second, s = 161 feet At t = 2 seconds, s = 98 feet At t = 3 seconds, s = 3 feet a. s=−8t^2−t&#...

Honors Application
I am filling out an Honors application for English/History and one of the questions asked why do I wish to take this course.. any ideas? Thanks My ideas are: I want want to take this course because I want to take a class that is a bit more advanced than regular classes.

HELP!
Next year (sophomore year) I'm taking the following courses: Honors Algebra II/Trig Spanish III Health AP Biology Honors English AP World History Is AP Bio and world history hard? or no it's not just the exam. Please tell me because this is my first year taking AP.

Pre-Calculus - Reiny
Reiny you helped me with this logarithm yesterday: How did you write it out as log2 ( √A / B^3 ) Laws of logarithms combine, write as a single logarithm Need help on this question please, Im stuck, don't know where to go abouts from here: I did it on paint and uploaded ...

pre calc
A math teacher uses four algebra books, two geometry books, and three pre-calculus books for reference. In how many ways can the teacher arrange the books on the shelf if books coiver the same subject matter are kept together?

pre-calculus
3(4^x)-2^(x+2) = -1

pre calculus
27^8x-3=(1/81)^8x-4 x=?

pre calculus
2n^1/3(n^2/3+n^-1/3)

pre-calculus
what is the F-^1 of 6/x+4

pre calculus
(m+3)+5

pre calculus
-2< x < 5 - -

Pre-calculus
2^(x)/(1-2^(x))=3

pre-calculus
(2^(4+pi))/ 2^(1+pi)

pre-calculus
x^3e^x - 4e^x =0

Pre-Calculus
3x^2 + 8 = -4

pre calculus
x^2-3/4x+1/8=0

pre calculus
x^2-3x-7=0

pre calculus
2k^2+5k-9=0

pre calculus
2k^2+5k-9

pre calculus
C=2 x^=8y

Pre Calculus
Formula: a = b = c

Pre Calculus
Formula: a = b = c

Pre calculus
gfk

Pre-Calculus
How do I find xy^-2(xy^2 - 4y^4) ??

Pre-Calculus
How do you factor x^3 - 64?

pre- calculus
simplify 3x+2y/3y

pre calculus
if y = bX, then its inverse is

pre calculus
let f(x)= -x^2 - 1. evaluate f(x)at x=6, -6

pre calculus
what is the vertices of 7x^2+5y^2=35

pre calculus
what is the vertices of (x+1)^2/4+(y+2)^2/25=1 ?

Pre Calculus 1
ln(3x-1) - ln(x+2) = 2ln5

Pre Calculus 1
lnx + ln(x+3) = 2

pre-calculus
What is the domain of (x+2)/(x-2)?

PRE CALCULUS HELP PLEASE
((ln(x))^1/2)/(ln(x^1/2))=6

pre calculus
2x^2+11x-21=0

pre - CALCULUS
Let B = [-1 3 6 -3]. Find -4B. A. [-4 12 24 -12] B. [-3 1 4 -5] C. [4 -12 -24 12] D. [4 3 6 -3] b ?

Pre-Calculus
14cos+7=O

pre calculus
find (a)2v+u, (b)u-3v, and (c)5u-v u=<0,-4>, v=<-2,-8>

pre calculus
find (a)2v+u, (b)u-3v), and (c)5u-v u=<-2,-3> v=<-1,-10>

pre calculus
find (a)2v+u, (b)u-3v), and (c)5u-v. 1.u=i-j, v=6i+9j 2.u=2i+3j, v=-i-2j

pre calculus
solve 2x + y = 8 4x + 2y = 16

Math - Studying for Pre Calc exam!
Approximate the solutions (to three decimal places) of the given equation in the interval (- pi/2, pi/2) 6 sin 2x − 8 cos x + 9 sin x = 6 Can you help with this please? I am studying for my Pre Calculus 1 exam and am stuck on this question...! The answer options are a. x...

English II honors
What do i need to know for english 2 honors?

honors chemistry- isotopes...
can scientists actually measure the mass and relative abundance of isotopes of an element by counting each particle and measuring their masses? [ i think no because it would be too small ] if not, how could a scientist measure the mass and relative abundance of isotopes of an ...

Pre-Calculus
How do I find f(g(x)) when there is a radical?

pre calculus
x^2+y ^2+ 4x + 6y - 12 = 0 how do i find the domain?

pre calculus
simplify sin(2 pi/3+x)

Pre-Calculus
2secx= 3cscx

Pre-calculus
x-2/x2-1 This equation is a function or not?

Pre Calculus
FACTOR COMPLETELY 1) x^8-y^8

pre-calculus
tan(1/2)cos^-1(9/10)

Pre-Calculus
is f(x)=9x^(5/3) a power function?

pre calculus
are you an online tutor

Pre-Calculus
Is the period of f(x) = 2cos(3x - ð) 2ð/3?

Pre-calculus
1) What is the equivalent of this? -5x(2x+7y)+7xy-4x(y+3)

Pre-Calculus
How to find domain of: y = -3 + ãx+6

Pre-Calculus
y= ((2-3x^(1/x))/(2+3x^(1/x)) Is the horizontal asymptote y= 1 or y= -1?

Math (pre calculus)
ax+b/cx+d=2 solve for x

Pre-Calculus/Trigonometry
for f(x)= 1/(x^2-3), find: a. f(3) b.f(2+h)

Pre-Calculus/Trigonometry
For f(x)= 1/(x-5) and g(x)= x^2+2, find: a. (f o g)(x) b. (g o f)(6)

pre-calculus
6cos^2(x)-5cos(x)-6

college pre-calculus
if 1-1/x=2-2/x, then 3-3/x=? A. -3 B. -1/3 C. 0 D. 1/3 E. 3 idek how to do it?

Pre-Calculus
find the inverse of g(x)=(x+7)^3+4

Pre-Calculus
What are the holes of the function f(x) = (x^2 + 3x - 4)/(x^2 + 9x + 20)?

Pre-Calculus
How do I find the domain of K(x) = x(32 - 2x)^2?

Pre-Calculus
Given: u <-1, 7> and v <4, -3> Find: (u • v)(u + v)

Pre-Calculus
What is the absolute value of: 3 - 8i? A. 9 B. 64 C. √55 D. √73

pre calculus
Can you explain how to find (u • v)(u + v) when u <-1, 7> and v <4, -3>

Pre-Calculus 12
2x^3 - 13x^2 + 32x - 13 = 0

Algebra
75% of the students on academic team earned 6 honors on the state examinations. the rest of the students on the team passed the state examinations. there were zero. if 30 students passed the ecam with honors, which proportion can be used to fun the total number of students who...

Pre-Calculus/Trivia
csc(theta)= 1/x sec(theta)= 1/ sqrt(1-x^2) cot(theta)= sqrt(1-x^2)/x What are these equations used for in real life matters or in regards to calculus? Can't seem to find the answer anywhere :/

pre- calculus
how do you find the root(s) of the equation x^2+3x-4=0

Pre-calculus
Describe the end behavior of f(x)=2x^4-5x+1.

Pre Calculus
log(log10^10,000)

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