Friday

November 28, 2014

November 28, 2014

Number of results: 1,540

**algrbra/trigonometry**

in triangle ABC, angle a=120, b=10, and c=18. What is the area of triangle ABC tot he nearest square inch?
*May 18, 2010 by Sally*

**Algrbra 1**

(d+7)^2=0
*April 29, 2012 by Makenzie*

**Algrbra**

Find F-1(x) F(x) =(x+2)2-5, x≥-2
*June 4, 2011 by Altagrace*

**Algrbra II**

f(x)= x+5, if x>0 3, if x¡Ü0 and how would i graph this?
*July 3, 2011 by HELP*

**Algrbra 2**

Complete the ordered pair (15, ) for the equation x - 5y = -25
*October 16, 2009 by SArA*

**algrbra 2**

Find the value of the polynomial when x = 4. 4x3 - 3x2 - 3x + 2
*October 16, 2009 by SArA*

**pre-algrbra**

need help with math problem 15-2(5-2) Answer=10
*August 28, 2011 by Ann*

**algrbra 2**

Find the slope of the line containing the points with coordinates (-6, 4) and (2, 4)
*October 16, 2009 by SArA*

**algrbra 2**

Rewrite the expression, using only positive exponents. x-5
*October 16, 2009 by SArA*

**algrbra**

1-9 in oreder insert oprestion sight and grouping symbol to get a value of 100
*August 8, 2013 by surafel*

**Algebra**

Algrbra evaluate each expression when n = 75 12n 36n 28n 56n 87n is that mutiplication?
*October 8, 2014 by Jordan*

**College Algrbra**

Given the following rational function, f(x)=x^2-x-2/ax^2-x-21 find (a) the horizontal asymptote(s) (b) the vertical asymptote(s), if any and (c) the oblique aasymptote(s) if any
*December 17, 2012 by Sherri*

**plane and spherical trigonometry**

trigonometry in oblique triangles
*August 3, 2014 by keicer*

**algrbra**

If a hen and a half lays an egg and a half in a day and a half, how many eggs will six hens lay in six days?
*January 2, 2012 by Anonymous*

**College Algrbra**

Given the following quadratic equation, find a. the vertex b. the axis of symmetry. the intercepts d. the domain e. the range f. the interval where the function is increasing, and g. the interval where the function is decreasing h. Graph the function y=x^2-6x
*December 17, 2012 by Sherri*

**Pre- algrbra**

What property is c to the seventh power x 1= c to the seventh power?
*October 19, 2010 by Amanda*

**algrbra 1**

Write an equation of the line containing the given point and perpendicular to the given line. express your answer in the form y=mx+b. (-5,7); 2x=9y+4 the equation of the line is y=?
*September 22, 2009 by spirit73*

**Grammar**

Replace with or replace for? Sentence: I want to replace algebra (with/for) trigonometry. If I use the word with, then does that's an I want trigonometry and not algebra? If I use the word for, then does that mean I want algebra and not trigonometry? Any rules?
*August 29, 2013 by Anonymous*

**spanish**

is this translated right? In the morning I wake up at 8:30 a.m. The first thing I do is brush my teeth and comb my hair. Then I eat breakfast. By 9:00 a.m., I start my schooling (home). The first thing I work on is trigonometry. Then I do English, Trigonometry, American ...
*May 3, 2009 by y912f*

**trigonometry**

determine the trend of each linear function: 1. f(x)= 3x+5 I don't know what you call the "trend" or why you call this a trigonometry question. It is about algebra. The value of the function increases with x at a rate of three times the change in x.
*July 10, 2007 by hugh*

**High School Courses**

How often do state colleges which are moderately competitive require trigonometry? Is trigonometry something like algebra that they expect you to have, or do they usually not care as long as you have the right number of math courses? Would it look better for me to take ...
*March 31, 2009 by Evelyn*

**trigonometry**

okay so i have this trigonometry problem were i HAVE to use logarithms. Now this is my work but can u help me solve it using logarithms. Find the area of the following triangles:(use logarithms) 1) c=426, A=45degrees 48' 36",and B=61degrees 2' 13"
*February 20, 2011 by anon*

**Algrbra I**

Help!! I do not understand how to work these types of problems. My instructor gives us really long formulas and charts for these and i don't get it!! Im good at algebra, I have an A in the class, so this is irritating to me! The radiator in a certain make of car needs to ...
*February 8, 2012 by Nicole *

**Trigonometry**

Solve for x to the nearest hundreth and can you explain how you get your answer I don't understand 3^x = 1.295 Your question has nothing to do with trigonometry. You can solve for x by taking the logarithm (to any base) of both sides of the equation. Then x log 3 = log 1.295 x...
*June 10, 2007 by Linda*

**Math (trigonometry)**

Trigonometry identities are so hard... I need some help proving these identities: *Oh, and I'm only in grade 11, so the identities we use are quotient identity and Pythagorean identity. sinx/(sinx + cosx) = tanx/(1 + tanx) cos^2x - sin^2x = 2cos^2x - 1 Thanks! Lucy
*April 13, 2008 by Lucy*

**Trigonometry **

A balloon is flying west of two trigonometry students who are 7 miles apart. The angles of elevation of the two students to the balloon are 15 and 28 degrees. Approximate how high the balloon is flying.
*November 3, 2014 by Bailey*

**algrbra**

A pine tree casts a shadow that is 49 feet long. A 10 foot sign next to it casts a shadow that is 8 feet long. How tall is the pine tree?
*July 1, 2013 by stoker *

**Trigonometry**

I really need help with this trigonometry question.please any help is appreciated. 1.I have to draw the graph of y=cos x from 0deg to 360deg. 2.Be sure to show a table of vales similar to the this table. colum X l colum :y=sinx 0 l 0.00 pi/10 l 0.31 pi/5 l 0.59 3pi/10 l 0.81 ...
*March 7, 2011 by anon*

**Maths trigonometry **

using basic trigonometry derive the following equations, which are used to convert cartesian to polar coordinates and vice versa. why is the cos(phi)in the x term? x = R cos (phi) sin (lamda) y = R sin (phi) they are used in orthogonal projection of a spherical surface to a ...
*October 16, 2011 by forest*

**Algrbra**

A certain paperback sells for $12. The author is paid royalties of 11% on the first 10,000 copies sold, 12.5% on the next 5000 copies, and 18% on any additional copies. Find a piecewise-defined function R that specifies the total royalties if x copies are sold. Please help me ...
*October 24, 2012 by Pete*

**algrbra**

Complimentary angles add up to 90º So translate the English into Math. if you let the unknown angle be x then "the measure of the compliment of the angle" -----> 90-x "10 degrees less than three times the measure of the angle" ----> 3x - 10 so....... 90-x = 3x - 10 solve...
*March 28, 2007 by Reiny*

**trigonometry**

sinxcosx=0,x=?
*October 9, 2007 by raygene*

**Trigonometry**

What is the arcsin of (pi/2)?
*November 8, 2009 by Anonymous*

**trigonometry**

what is sin 35=x/6
*October 17, 2010 by aundrea*

**Trigonometry**

sin x= -1
*May 30, 2011 by Abigail*

**Trigonometry **

Find m < D if d=10, e=8 and m< E= 43
*June 4, 2011 by MIke A*

**Trigonometry **

expand ( 5d-1) 4
*June 4, 2011 by MIke A*

**Trigonometry**

v=2(ab+bc+ca), solve for a
*July 8, 2011 by Kali*

**Trigonometry**

Simplify i^45. A. 1 B. i C. –1 D. –i
*August 2, 2012 by Anonymous*

**Trigonometry**

If g(t) = 5t+1 and h(n) = 2(n - 7), what is the value of h(g(3))?
*March 10, 2013 by John*

**Trigonometry**

n-1/n divided by 1+1/n
*October 19, 2013 by Cait*

**Trigonometry**

if cot 2x = 5/12 with 0<=2x<=pi
*November 28, 2013 by David*

**math**

what does trigonometry mean?
*March 3, 2008 by shelbie*

**math**

what does trigonometry mean?
*March 3, 2008 by lizbet*

**Trigonometry**

cos2x(2cosx+1)=0 x=?
*November 17, 2008 by Rob*

**Trigonometry**

What is the cosecant of the arccot of 3?
*November 9, 2009 by Anonymous*

**Trigonometry**

Factor 1-sin^3x
*February 17, 2010 by Sandra*

**Trigonometry**

sin (4x) = .5 what are the 4 solutions? How did you get them?
*June 9, 2010 by bob*

**Trigonometry**

Explain why {y||y| ¡Ü 1} is the same as [-1,1].
*September 16, 2010 by Pauline*

**Trigonometry**

What does SOHCAHTOA mean?
*September 27, 2010 by Michael Stewart*

**trigonometry**

2 cos^2=1 [0, 2pi)
*October 30, 2010 by tina*

**Advance algebra and trigonometry**

2x-y=-6 8x-4y=-24
*November 11, 2010 by Tj*

**Trigonometry**

How do you solve the equation -3x^2 + 3 = 0
*November 16, 2010 by Elizabeth*

**trigonometry**

solve: 2cosx-1=0
*December 15, 2010 by ash*

**trigonometry**

sinA= 3/5 and C=17 Finding a and b
*January 12, 2011 by anon*

**Trigonometry**

cos(54º-X)=sin2X
*April 7, 2011 by Michelle *

**Trigonometry**

(1+ tan^2x)/(secx)
*May 30, 2011 by Abigail*

**Trigonometry**

tan^2(x)=-3/2sec(x)
*December 11, 2011 by Blair*

**Trigonometry**

what is the frequency of y=tan(Pi/3 x)?
*July 27, 2012 by Cyndy*

**Trigonometry Help**

4 tan x - 12 cot x = 0
*November 18, 2012 by Anonymous*

**Trigonometry**

what is the trigonometric form of z=1+i?
*December 1, 2012 by Josh G.*

**trigonometry**

What is the graph of y= 5sin1/2(x+pi)-1
*February 1, 2013 by Betty*

**trigonometry**

what is the graph of y= cos2(x-pi)+2
*February 2, 2013 by Betty*

**trigonometry**

what is the graph of y= tan(2x-pi)
*February 2, 2013 by Betty*

**trigonometry**

what is the graph of y=sec(x+pi/2)
*February 2, 2013 by Betty*

**trigonometry**

what is the graph of y= arccos(x-2)
*February 2, 2013 by Betty*

**trigonometry**

what are the solution sets to x^5-2x^3+x=0 and how do you get them?
*February 18, 2013 by jessica*

**Trigonometry**

sin2u+_______x1
*June 8, 2013 by Anonymous*

**Trigonometry**

complex numbers
*December 8, 2013 by steve*

**Trigonometry**

How to simplify 4sin[pi/2 + x] ?
*March 14, 2014 by Anonymous*

**Trigonometry**

solve: sec x-2^.5=0
*June 19, 2014 by Anonymous*

**Trigonometry**

factor: 3n^2+14n-5. I'm stuck! (3n -1 )(n + 5)
*June 4, 2007 by Linda*

**Algebra/Trigonometry**

Simplify the expression: 1/y - 1/y-3
*November 18, 2007 by Khadijah*

**Algebra II/Trigonometry**

Simplify this problem: (1/2m^4n^5)^2
*July 27, 2008 by David*

**Trigonometry**

How do i find cos(2arctan(7/24)) Thanks.
*November 12, 2008 by Jen*

**Math/Trigonometry**

Is there a formula for sin(x/3)?
*December 11, 2008 by Anonymous*

**trigonometry**

how to find the missing angle??
*January 22, 2009 by kissa*

**trigonometry**

how to find the missing angle??
*January 22, 2009 by kissa*

**trigonometry**

What is the exact value for sin5pi / 12 ?
*November 8, 2009 by -*

**algebra 2 and trigonometry**

What the solution of the equation: y^2-3y=9 ?
*January 18, 2011 by karla*

**algebra 2 and trigonometry**

What the solution of the equation: y^2-3y=9 ?
*January 18, 2011 by karla*

**Trigonometry**

what is the domain of h(x)=.002sec(3pi(x-.25))+27?
*February 16, 2011 by John*

**trigonometry**

If sinA+tanA=p then sin2A?
*June 14, 2012 by sairam*

**Trigonometry**

2cos(x)-3tan(x)=3sec(x)
*April 12, 2011 by Anonymous*

**Trigonometry**

solve: tan x/2= sqrt3/ 3
*May 30, 2011 by Randolph*

**Trigonometry**

Use Heron's formula: a=46 b= 52 c= 67
*May 30, 2011 by Peter*

**Trigonometry**

Solve: 2 cos[x-ð/8]-sqrt2=0
*May 30, 2011 by Sammy*

**Trigonometry**

Solve SSA: B= 12.1 degrees b= 16 a= 23.9
*May 30, 2011 by Peter*

**Trigonometry**

Solvetriangle ABC: a= 12.2 c= 7.8 B= 63.5 degrees
*May 30, 2011 by Adam*

**Trigonometry**

2cos[x-pi/8]-sqrt2=0 Pi=3.141592654
*May 30, 2011 by Adam*

**Trigonometry**

Solve SSA: B=12.1 degrees b= 15 a= 23.9
*May 30, 2011 by Sean*

**Trigonometry**

Solve SSA: A= 78 degrees a= 30 b= 61
*May 30, 2011 by Sean*

**Trigonometry**

What is the upper and lower limit of F(x)=3x^2+6x^2-2x-2?
*June 29, 2011 by Pharez*

**Trigonometry**

log3(x^2)=2log3(4)-4log3(5)
*July 8, 2011 by Kali*

**trigonometry**

sin2 =2tan cos
*August 20, 2011 by soge*

**trigonometry**

sin2 =2tan cos
*August 20, 2011 by soge*

**trigonometry**

sin2 =2tan cos
*August 20, 2011 by soge*

**Trigonometry**

How do you solve these equations algebraically? y=x^2+4x 2x-y=1 y=x^2+2x+3 x+y=1
*November 16, 2011 by Zady*

**Trigonometry**

4+29sin=12cos^2 How do you determine this
*December 11, 2011 by Blair*

**Trigonometry**

Solve for x,assuming x≠0:(-2/5)+(x+4/x)=1
*February 7, 2012 by Joseph*

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