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

pre-algebra

Think of a 1-9 multiplication table, are there more odds or evens, is it different from a 1-9 addition table

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