Pre- Calculus

21,396 results, page 33

Pre Calc

Use the Pythagorean identities rather than reference triangles . Find tanθ and cotθ if secθ = 5/2 and sinθ <0. Please help ! Much appreciated !!

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 Calculus

When doctors prescribe medicine at equally spaced time intervals, they are aware that the body metabolizes the drug gradually. After some period of time, only a certain percent of the original amount remains. After each dose, the amount of the drug in the body is equal to the ...

pre-algebra

which measurement is the largest. 14mm or 1cm 1cm is 10 mm. It is time you learned this. how do you do this??? you know??

pre-calc

what does multiplying a complex number by a real number do to its polar representation?

pre algebra

how do you divide integers when one is a whole number and one is a decimal?

Pre Cal.

Determine the slant asympotte [sic] for f (x) = (x^2 - 5x - 3)/x My answer: (x^2 - 5x - 3)/x = x - 5 - 3/x The slant asymptote is y = x - 5.

pre calc

multiply and simplify (5w-radical 3x)^2 sorry my computer has no radical key!!

Pre-Cal

solve cos 5 thetha cos 15 -sin5theta sin 15 =squareroot of 3/2 Thank you

Pre Calc

sin^2(x) - cos^2(x) = 1 + cos(x) the answer is equal to or greater than 0 and less than 2 pi

pre algebra

the lengths of the sides of a triangle are 9,9 and 15. determine whether this is a right triangle?

Math

If I bought an item for $80 on which there was a 30% markup, what is the formula to determine the pre-markup price?

math

I am doing pre algabra math and I am in 7th grade I need help to simplify the expression

Pre-Cal

Given the function f(x) = 2x^3 + 3x + 1, state the power function that it’s ends will resemble.

science

Observe one hour in a classroom (preschool, pre-kindergarten, kindergarten

Pre Calculas

how would you varify the following sinx+sinx cot^2x=cscx

pre cal

Is the given function linear or nonlinear. If linear determine the slope. x y = f(x) 1 -2 -2 -14 3 8 4 4 -6 1

Pre-algebra

How would I explain to my friend why the quotient of x^8 and x^2 is x^6 and not x^4. She is questioning the rule. How do I explain?

pre-algebra

Find the product: (4k^5)(-2k)^3 Is it -32k^8 or -32k^2 I don't know rather to add or subtract the 5 & 3.

Pre-Algebra

explain how the process of solving x/-2=8 is different form the procss of solving x/4=8?

Math pre algebra

3.5 pounds in 4 cubic inches; x pound in 1 cubic inch

pre-calc

find all values of 2sin theta-3csc theta=-5

pre algebra

Find the percent of decrease. original cost: $65; new cost: $5

pre algebra

Find the percent of decrease. original cost: $65; new cost: $57.20

pre algebra

Find the percent of decrease. original cost: $65; new cost: $57.20

pre-calculas

what is the function whose graph is the graph of y=ã+4, but is reflected about the the x-axis. y=

pre-cal

change the exponential expression to an equivalent expression involving a logarithm. 4.1=a^2

pre-cal

find the center (h,k) and radius r of the circle and then find the intercepts, if any. 5x^2+30x+5y^2=0

pre-algebra

the perimeter of a pool is 150m. the width is 1/2 its length. what are the dimensions of the pool

pre calc

C0rr missi0n kill name id real name die

pre+calc

C0rr+missi0n+kill+name+id++real+name+die

Pre-Calc/Calc

Which set of parametric equations corresponds to this rectangular equation? y=2x-(x^2 / 10) A. x=4t, y=4t-(t^2 /10) B. x=2t, y=8t-(4t^2/10) C. x=2t, y=4t-(4t^2/10) D. x=.5t, y=2t-(t^2/10) E. x=t, y=t-(t^2/10)

pre+calc

C0rr+missi0n+kill+name+id++real+name+die

Math Help? Check my answers.

Simplify 6 x 3 divide 3 - 1. Pre-Algebra? Answers: 2 3 5 6 My answer: 5

Pre-Alg

write a translation rule that maps point d(7 -3) onto point d'(2 5)

Pre-Calc/Trig...

Explain how the graph of the given function is a transformation of the graph of y=x^2 *y=x^2+7

Pre-Calc/Trig...

Explain how the graph of the given function is a transformation of the graph of y=x^2 *y=(x+5)^2

Pre-Calc/Trig

How would I solve this one? I just can't get this one. 6x^2+11x-35=0

Math Pre Calc Help

(cos^4x -sin ^4 x)/(sin^2x)=cot^2x -1 How to prove true?

pre calc

The variables x and y vary directly. When x=12, y=9. Write an equation that relates the variables.

Pre cal

Simply the equation: 2x^4y^0z^2/(yz^2)^-2 x 2zx^2y^-4 Can you help? I got the denominator to be y^-6 x 2z^5 x x^2 When I solved it, I got x^2y^6/z^3

Pre-algebra

Find the side length of a square that has an area of 36 square yards.

pre algebra

what is 3y+2(-7+x) First, we need to distribute. 2 times -7 is -14, and 2 times x is 2x, leaving us with: 3y+(-14)+x 3y-14+x 9(4m+1) 9(4m+1) 9(4m+1) 12.x= x=1

pre-calc

How do you solve this inequality? 2x over 4 minus 5x+1 over 3 is greater than 3

pre-calc

How do you find the asymptotes in general?? For example... f(x)=(1/2)^x, how would I find that?

pre alg.

26 centimenters per sec. = _ meters per min.

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.

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 - 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?

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