# Pre- Calculus

21,152 results, page 33

### 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.

### pre calc

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

### Pre-Algebra

Please help! (a^2)63 (-2x)^3 (p^2q)^3 -5c(2cd)^3 4y(y62z)63 (12a^5)^2b^3 6a(-ab)^7 (-2d^2)^6(-3)^3 please and thanc u!

### pre calc

Find the complement and supplement of each angle. 1. 40 degrees 2. 89 degrees

### Pre-Algebra

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

### pre-algebra

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

### pre calc

find delta in each of the following case: tan delta=-0.75

### Pre-Cal

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

### pre alg

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

### Pre cal

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

### pre algebrahow

do you solve a negative fraction plus a posotive fraction?

### pre- algebra

solve and simplify 6 to the 4th power * 6 to the 2nd power

### pre-algebra

Graph the equation. Tell whether the equation is a function. y = -x

### pre algebra

(8xto the 5th power-5x)(7xto the 3rd power)

### Pre-Calc

Vector v is (4√3,√3). Find the angle between v and i.

### pre algebra

the sum of my tens digit and units digit is 6 the product is 0

### pre calc

3 radical 3=-3 cot theta on interval 0<theta<2pi

### Pre-Algebra

explain how the process of solving x/4-2=8 is different from the process of sovlivng x/4=8

### reasearch paper

what activities are in the pre writing stage of the writing process?

### pre cal

simplify sin (8x) using only sin(x) and cos (x)

### Pre-Ap Algebra 2

if the graph of the equation 3x+by=2 is perpendicular to the graph of 2x-3y=-4 determine the value of b

### Pre Calc

How to prove tan4x = 1-8 sin squared of cos squared of x

### pre-calc

(1+tan x)^2= 2 tan x+2 please show all work

### Pre-Cal

1.y=f(x) 2.x=f(y) Is the second equation an inverse of the first equation or is it no a function?

### Pre-Calc

Convert r=1+3sin2x from a polar equation to a rectangular equation.

### pre cal

what is the period of these functions y=1/2 cos 3pi/2 y=2 cos piX/2

### pre cal

what is the period of these functions y=1/2 cos 3pi/2 y=2 cos piX/2

### pre cal

what is the period of these functions y=1/2 cos 3pi/2 y=2 cos piX/2

### pre calc

(cos^2)3x+(sin^2)3x=cos(f(x)) simplify expression and find f(x)

### pre calc

how do u solve for x and y of x+2y=7 2x+y=8 using matrix without using a calculator

### math

if the pre-image's perimeter was 104 units, what is the images's perimeter

### Pre-Algebra

A rectangle is 1" wide and 3" tall. If it is enlarged to a height of 18" then how wide will it be?

### Pre-Calc

Describe the difference between transformations and nonrigid transformations.

### Pre-Calc/Trig...

Help me please. Simplify 1. √-36 2. -√-625

### Pre calc

(cos^4x -sin ^4 x)/(sin^2x)=cot^2x -1 Prove true

### pre algebra

2x^2 + 8 - 4x + 3x - 6x^2 + 7 what does this simplify to A)-8x^2 - 7x + 15 B)-4x^2 - x + 15 C)4x^2 + x + 15 D)8x^2 + 7x + 15 pls help me reiny steve or damon pls help me

### pre algebra

is 0 a whole number, integer, rational, and real number?

### Pre Calc

Solve 2 sin^2 x-3 sin x+1 =0, 0 less than or equal to x < 2pi

### Pre-Calc

Solve the following algebraically. log3(x) + log3(x-2) = 1 Are the solutions 3 and -1?

### pre cal

Find the angle between 0 and 2π that is equivalent to 24π/4.

### pre calc

Find all solutions to the equation 2 sin^2(θ) − sin(θ) − 1 = 0.

### 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. ...

### Pre-Algebra - 7th Grade

How do you add a negative number and a positive number. For example: -9 + 7 = ?

### Pre calc

How do you test for symmetry in an equation? For example, y = x to the fifth power + x to the third power + x?

### Pre Algebra

Solving part of a part. How do you use thermometers to solve fraction problems?

### pre-cal

How do I find the domain of the following function algebraically? I can determine it from the graph, but not algebraically.

### Pre-Cal

1) Verify that the x-values are solutions of the equation. csc x - 2 = 0 a) x=pi/6 b)x=5pi/6 I know that csc x = 2 but I do not know what to do now.

### pre calc

f(x)={8 x + 9}/(2 x + 7)(8 x + 6) -Find the x and y intercepts. -How would I go about finding the x and y intercepts in problems like this?

### Pre-Cal(Please check)

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

### pre algbra

3x(cubed)times y, -2xy(cubed), -5x, how many terms do you see and what is the product of their coefficients?

### 7th grade pre-algebra

How to write an expression for the perimeter of the polygon. simplify the expression

### pre-cal

Find the area of a square whose side length is 1/4 the value of its area

### Pre Calc

Simplify and show work step by step cos²θ + sin² = ???

### Pre- cal Trig

2cos^2x=cosx. Can you subtract the cos from cos^2? Or what would i have to do?

### pre-calc

How do you find coterminal angles between 0 and 2pi for angles given in pi radians?

### pre- algebra

Tell weather a triangle with side lengths of 10,24,26 could be 45 45 90 degrees or 30 60 90 degrees. Explain.

### pre algebra

how do i figure out how to write a number setence for the product on the number line -10 -8 -6 -4 -2 0 2

### Pre-algebra

If zero is known as the trivial solution, what happens when x = 1? Can you show me how to solve this step by step? Thank you.

### pre calc

-4 - (1/2) sin theta=-16 +radical 3 over 4 what are the 2 points of intersection? 0<theta<2pi

### Pre-Calc

Express cos9x+cos5x as a product. Can you just multiply the 9 and 5 to get: cos45x ? is that a product?

### Pre-calc

Heres the equation y^2 -4x^2 +8x=20 For the center i got (-1,0) For the vertices i got (-1,4), (-1,-4), (1,0), (-3,0) And how do you find the foci?

### pre algebra

A hat cost $14 after a 20% discount is applied. What was the hat's original price

### pre algebra answer check

Use a proportion to answer the question. 21 is 4% of what number? 21.875???

### pre algebra

You and four friends are going to a movie. In how many different orders can you pick your friends up?

### pre algebra help

Find the measure of each of the interior angles and exterior angles of a regular hexagon

### pre-calculas

write a function whose graph is the graph of y=x^2, but is shifted to the left 6 units.

### pre cal verifying identities

how do I verify?? sin(x)+cos3(x)=sin(x)-3cos(x)+4cos^(3)x

### Pre- Calc

Determine if the fuction is a power function. If it is, then state the power and constant of variation. f(x)=4x^(-3/5)

### Pre Calclulus

Write the trigonometric expression as an algebraic expression. sin(arcsinx+arccosx)

### pre algebra

a fieldstone patio is in the shape of a square that measures 9 ft on each side what is the area of the patio

### PRE-ALGEBRA

A 55-minute long distance phone costs 2.75.What is the cost per minute

### PRE-CALC

If the original coordinate axes are rotated 45° to obtain the x' and y' axes, what is the value of x in terms of x' and y'?

### PRE CALC

The 20th term of an arithmetic sequence is 27 and the first term is -11. What is the common difference??

### PRE CALC

Evaluate: sigma notation of (3cos k(pi) +1) start value: k=0 end value: k=3

### Geometry

The vertices of a pre-image are located at points (12, 8), (6, -4), and (-2, 10). If the image has coordinates (6, 4), (3, -2), and (-1, 5), is this an expansion or a contraction?

### pre cal

Determine if the function is one-to-one. A decreasing line intercepting the y axis at 0,4

### Pre-Calc.

Write the geometric sequence that has four geometric means between 1 and 16,807.

### ENGLISH

WHAT ARE THE 4 GENERAL STEPS IN WRITING? 1. Pre-Writing (planning stage) 2. ?? 3. ?? 4. revising and proofreading??

### Pre-Calc

Is 300 an angle between 0 and 360 degrees that is coterminal with -780 degrees?

### Math-pre algebra

If you won 84 out of 162 games what is the ratio of Wins to total games

### Culture and society

what is the structure of american society during pre/post emancipation period

### Pre calc

Let sin u=-8/17 and cos v= 12/13, with pie<u<3pie/2. Find the exact value of cos(u+v)

### Pre-calc

Problem 1. Suppose x > 0. Simplify the expression [(x+h)^1/2− (x) ^1/2]/h . For what values of h is this expression defined?

### pre cal

find B in [0,pi] and real number C such that cot theta= C tan(theta-B)

### pre-calculus

A.) A Ferris wheel has a radius of 32 feet and completes one revolution every 5.4 minutes. What is the speed of the Ferris wheel (in radians per minute)? _______radians per minute B.) A Ferris wheel has a radius of 39 feet and travels 5.6 feet every second. What is the speed ...

### Pre algebra

On a map the scale is 1 cm:50 ft. The distance between the post office and the fountain is 6 cm. What is the actual distance?

### pre calc

what is the trigometric function of cos pi? a)0 b)-1 c)1 d)undefined Paste this in your Google search window: cos(PI)

### pre calc

What is the fifth term of the sequence {2n - 1 / n}? a)4, b)14/5 c)7/4 d)9/5 assuming the first term is 1, and there is no good reason it should be, then 1,3/2, 5/3, 7/4, ...

### AP HISTORY

What was the least common and least sucessful form of slave resistance pre civi war?

### Pre Algebra

I don't understand "Using Graphs to Persuade". Does anyone know of somewhere where they explain how to do it, or someone on here to explain? Thanks!

### Pre Algebra

I don't understand by what they subtract... I'm learning Arithmetic Sequences and here's the sequence: -6, -4 2/3, -3 1/3, -2 By what do they add here?

### pre-calc

Hey, I was wondering how do you factor (a^2-x^2)? (a squared minus x squared) or how you would go about graphing it? Thanks!

### pre calc

given x=t^2 and y=t-2 find a relationship between x amd y( express y in terms of x) is the relationship a function

### Pre-Algebra

Directions: Find the missing measure of each angle How do I do this? It's a triangle, angle one 2x + 15 x 45degrees

### Pre-cal

1) Solve the equation sinx(sinx+1) = 0 I am having trouble with the first step. Could I do sin x^2 + 1 =0?

### Pre-Cal

Determine the domains of (a)f and (b) f X g f(x) = 1/x g(x)= x + 3 For the domain of f I had x > 0 and for f X g I had all real numbers but this was wrong.

### Pre-Algebra

I need work the answer is 5 but i keep getting 4.5 if anyone can help me on the rest i got a page of work! 2y=20-4x*0

### pre algebra

the vertices of the figure are w(-2,3),x(0,5),y(3,1),and z(-3,4). what are the vertices of the transformed image after a reflection over the x-axis?

### pre algebra

find the common ratio in the sequence 8, 12, 18, 27,..... then write the next three terms of the sequence