algrbra/trigonometry

2,104 results

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?

(d+7)^2=0

Algrbra

Find F-1(x) F(x) =(x+2)2-5, x≥-2

Algrbra II

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

Algrbra 2

Complete the ordered pair (15, ) for the equation x - 5y = -25

algrbra 2

Find the value of the polynomial when x = 4. 4x3 - 3x2 - 3x + 2

pre-algrbra

need help with math problem 15-2(5-2) Answer=10

algrbra 2

Find the slope of the line containing the points with coordinates (-6, 4) and (2, 4)

algrbra 2

Rewrite the expression, using only positive exponents. x-5

algrbra

1-9 in oreder insert oprestion sight and grouping symbol to get a value of 100

Algebra

Algrbra evaluate each expression when n = 75 12n 36n 28n 56n 87n is that mutiplication?

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

plane and spherical trigonometry

trigonometry in oblique triangles

algrbra

The length of a rectangular football field is 14 meters more than twice its width. If the perimeter is 346 meters, find the field's dimensions.

algrbra

A members-only speaker series allows people to join for \$26 and then pay \$2 for every event attended. What is the maximum number of events someone can attend for a total cost of \$48? Write and solve an equation to find the answer

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?

algrbra

the volume of the shape below is placed into a bow that is 10 feet tall and the area of the base is 48ft squared feet. to the nearest tenth what is the remaining space. The figure is a sphere that has a radius of 6 ft. r=6ft I really need help figuring how to do this.

algrbra

the volume of the shape below is placed into a bow that is 10 feet tall and the area of the base is 48ft squared feet. to the nearest tenth what is the remaining space. The figure is a sphere that has a radius of 6 ft. r=6ft I really need help figuring how to do this

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...

Trigonometry

I'm having trouble doing trigonometry. Determine the possible coordinates of a terminal point for each angle in standard position. A) 315° I have no clue how to do this. Please explain and show me the work so I can do the rest of the questions myself

algrbra

Brittney is 5 years older than her brother Brandon. Three years from now, the sum of their ages will be 23. How old is Brandon now?

algrbra

It is known that a>0 and b<0. Compare the values of the following expressions to zero: ab^2 i dont understand why i always get these wrong, i pluged in numbers that match with what it says and i solve: 1*-1^2=-1, 0 is greater than ab^2 but i got that wrong i dont ...

Pre- algrbra

What property is c to the seventh power x 1= c to the seventh power?

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=?

MATHS 2

If x+y=45°, prove that {(cotx+1)(coty+1)}/{cotx×coty}=2 Please help me in this TRIGONOMETRY problem. From the topic - TRIGONOMETRY Ratios of compound angles

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?

algrbra

1. David recently had a garage sale and has amassed a pile of change. How many of each coin (penny, nickel, dime, quarters) does he have if: a.There is at least 5 pennies, 5 nickels, 5 dimes and 5 quarters b.There is only a prime number of each coin c.The total value is \$5.75 ...

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 ...

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.

Trigonometry

a 20ft. ladder is leaning against a wall so that the foot of the ladder is 9ft. from the buss of the wall what angle does the ladder make with the ground? what is the distance from the top of the ladder to the base of the house? based in trigonometry

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 ...

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"

Trigonometry

PLEASE HELP!! I really don't understand this...I just started learning about trigonometry and SOH CAH TOA and I think this probably has to do with that but I don't know how to apply it... Please explain this to me!!!! I need to know how to do it and not just the answer. ...

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 ...

Trigonometry

The light on the Prince Shoal lighthouse is 25m above water level. From a position behind the light, the angle of the depression of the sailboat is 12 degrees. How far is the sailboat from the lighthouse, to the nearest metre? (I have no idea how the diagram would look - it ...

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...

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

trigonometry

y=−34 sin(10θ+10π)−14 I need to graph this trigonometry problem. I need the parent graph, period, vertical shift, phase shift, a separate graph showing the new mid line with the amplitude and a final product graph. thanks for any help :)

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.

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?

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 ...

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 ...

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 ...

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 ...

sinxcosx=0,x=?

Trigonometry

What is the arcsin of (pi/2)?

trigonometry

what is sin 35=x/6

sin x= -1

Trigonometry

Find m < D if d=10, e=8 and m< E= 43

expand ( 5d-1) 4

Trigonometry

v=2(ab+bc+ca), solve for a

Trigonometry

Simplify i^45. A. 1 B. i C. –1 D. –i

Trigonometry

If g(t) = 5t+1 and h(n) = 2(n - 7), what is the value of h(g(3))?

Trigonometry

n-1/n divided by 1+1/n

Trigonometry

if cot 2x = 5/12 with 0<=2x<=pi

math

what does trigonometry mean?

math

what does trigonometry mean?

Trigonometry

cos2x(2cosx+1)=0 x=?

Trigonometry

What is the cosecant of the arccot of 3?

Factor 1-sin^3x

Trigonometry

sin (4x) = .5 what are the 4 solutions? How did you get them?

Trigonometry

Explain why {y||y| ¡Ü 1} is the same as [-1,1].

Trigonometry

What does SOHCAHTOA mean?

trigonometry

2 cos^2=1 [0, 2pi)

2x-y=-6 8x-4y=-24

Trigonometry

How do you solve the equation -3x^2 + 3 = 0

solve: 2cosx-1=0

trigonometry

sinA= 3/5 and C=17 Finding a and b

Trigonometry

(1+ tan^2x)/(secx)

Trigonometry

tan^2(x)=-3/2sec(x)

Trigonometry

what is the frequency of y=tan(Pi/3 x)?

Trigonometry Help

4 tan x - 12 cot x = 0

Trigonometry

what is the trigonometric form of z=1+i?

trigonometry

What is the graph of y= 5sin1/2(x+pi)-1

trigonometry

what is the graph of y= cos2(x-pi)+2

trigonometry

what is the graph of y= tan(2x-pi)

trigonometry

what is the graph of y=sec(x+pi/2)

trigonometry

what is the graph of y= arccos(x-2)

trigonometry

what are the solution sets to x^5-2x^3+x=0 and how do you get them?

sin2u+_______x1

complex numbers

Trigonometry

How to simplify 4sin[pi/2 + x] ?

Trigonometry

solve: sec x-2^.5=0

Trigonometry

2sin^2(x )+38 cos(x) + 2.6=0

Theta=632°

tan75/2 degree

trigonometry

long division x^2+3x+5/x+2

Trigonometry

arctan(cot10Pi/9)

Trigonometry

factor: 3n^2+14n-5. I'm stuck! (3n -1 )(n + 5)

Algebra/Trigonometry

Simplify the expression: 1/y - 1/y-3

trigonometry

If sinA+tanA=p then sin2A?

Algebra II/Trigonometry

Simplify this problem: (1/2m^4n^5)^2

Trigonometry

How do i find cos(2arctan(7/24)) Thanks.

Math/Trigonometry

Is there a formula for sin(x/3)?

trigonometry

how to find the missing angle??

trigonometry

how to find the missing angle??

trigonometry

What is the exact value for sin5pi / 12 ?

algebra 2 and trigonometry

What the solution of the equation: y^2-3y=9 ?

algebra 2 and trigonometry

What the solution of the equation: y^2-3y=9 ?

Trigonometry

what is the domain of h(x)=.002sec(3pi(x-.25))+27?