# Pre- Calculus

21,152 results, page 61

### Pre-Calc

Write a Sinusoidal function for the following. A ferris wheel is 100 feet in diameter and makes one revolution in 45 seconds. If the rider needs to walk up a ramp to get to their seat that is 5 feet above the ground, write the model for the rider.

### Pre Algebra

A customer at the ring toss booth gets eight rings for two dollars find the constant of proportionality and write an equation relating the cost to the number of rings. At the same rate how much would a customer pay for 11 rings? for 20 rings?

### creative play

Teachers who adjust the physical environment for children with disabilities need to: A. be knowledgeable about the disability. B. emphasize a child's disability. C. adapt only indoor equipment and materials. D. purchase expensive pre-made materials and equipment. A?

### Pre-Algebra

How would I make a frequency table with these numbers?: 465,599,567,529,243,250,268,319,294,316,325,364,358,237,270,534,479,614,283,575,591,555,508,609,584,304

### Curriculum Development

I have a question that I need help in answering. Miss Sanchez lives in Washington,D.C. She was planning fied trips for her pre-school class. Which one of the following field trips would NOT be an appropriate choice for her students? A. Going to the National Mall to see the ...

### pre-algebra

Nineteen members, or 38 members of the ski club are going on a ski trip. find the total number of members in the club.

### Pre-Calc Help!!!

Find sin x/2, cos x/2, and tan x/2 from the given information. cos x=− 4/5, 180° < x < 270° sin(x/2= cos(x/2)= tan(x/2)=

### pre alg

jane is standing next to a tree. the tree casts a shadow that is 11.2 ft long. she is 5.6 ft tall and her shadow measures 3.8 ft. How tall is the tree?

### pre-alg

point E is located at (-2,2) and point F is located at (4,-6). what is the distance between points E and F? A.)Square Rot of 52 B.)Square Roots of 28 C.)10 D.)Square Root of 20

### Pre-Algebra

Given a cylinder and a cone with the same base and the same height Cylinder: r=4 ft and h=3 ft Cone: r=4 ft and h=3 ft What is the volume of the cone in cubic feet? A. 12 π B. 16 π C. 36 π D. 48 π

### pre calc

The front sprocket off a bicycle is 12 centimeters and the rear one is 5 centimeters. What is the linear velocity of the chain around the back sprocket? if the bicycle has tires that have a 38 centimeter diameter, how fast is the bicycle moving?

### pre calc

The front sprocket off a bicycle is 12 centimeters and the rear one is 5 centimeters. What is the linear velocity of the chain around the back sprocket? if the bicycle has tires that have a 38 centimeter diameter, how fast is the bicycle moving?

### pre-calc

a farmer wants to make a rectangular enclosure using a wall as one side and 120 m of fencing for the other three sides. a) express the area in terms of x and state the domain of the area function b)find the value of x that gives the greatest area. my teacher didn't explain how...

### pre-algebra

Wel-min makes a square quilt that has an area of 100 square feet.It has 25 square blocks, each the same size. What is the legth of each side of a block? A-2 feet B-4 feet C-6 feet D-10 feet

### Pre Calc

From 2 points 400 yards apart on the bank of a straight river flowing due south, the bearings of a point on the opposite bank are 148 degrees and 28 degrees. How wide is the river? I am having a hard time understanding how this is set up. Help please?

### Pre-algebra

I have some practice problems, and I need to have them worked out, showing your work. I will gain a better understanding of these problems by practicing them. Thank you. (6x+1)(x^2-9x+5) (2x^4+3)(4x^3+2) (12y^3+8y^2+20y)divided 2y (6x^2-25x-10) divided by (3x+2) (8x-5)+(7x+4...

### Pre-algebra

I have some practice problems, and I need to have them worked out, showing your work. I will gain a better understanding of these problems by practicing them. Thank you. (6x+1)(x^2-9x+5) (2x^4+3)(4x^3+2) (12y^3+8y^2+20y)divided 2y (6x^2-25x-10) divided by (3x+2) (8x-5)+(7x+4...

### pre calc

The following polynomial approximates the rabbit population in a particular area.? R(x)= -0.121x^5+2.952x^4+3500, where x is the number of years frm 1975. use a graphing calculator to describe the rabbit population from the rears 1975 to 1990. how do you get started with this ...

### Pre Algebra

I have a rectangle that represents one whole. There are three sections that equal 1/3 each. I want to subdivide those sections into even & uneven squares. EX: 1/3 divided by 2 = 1/6 I am having trouble identifying the uneven squares. Could you please show me a few examples ...

### Math Pre- Algebra

Linda reserved two hotel rooms for $75 each room plus a tax of $7.50. Illustrate the Distributive Property by writing two ways to compute the total. What is the total. So I need to get help on this answer stat. This is due tomorrow and I need done. Please and Thank you!!

### Calculus

Find the derivative w/ respect to x: g(x) = ln(sec(x))

### Calculus

find anitderivative of 30sqroot(x+4) What is the derivative of (x+4)^(3/2) ?

### calculus

how can I calculate this deriivative: 1/(sin(x-sinx))?

### Calculus

Problem 49. Find the critical values f(x) = (4x^2 - 9) / x

### Calculus 2

Find the length of the spiral r=a(Theta) on [0,Pi]

### calculus

If 4x^(2)+5x+xy=4 and y(4)=-20, find y'(4) by implicit differentiation. I got y'=(-8x-5-y)/(x)

### calculus

calculate the indefinte integral (x^2+2x+3)/(sqrt of x)

### Calculus

If A=125e^-kt and A=200 when t=3, find the value of k.

### Calculus

Find the coefficient of the x^2 term in the expansion of (3x - (2/x^2))^8

### Math

Find dx/dy by implicit differentiation x^2y+y^2x P.S: It's calculus

### Calculus III

(24cos(8x))/(1+(sin^2(8x))) Integrated from (pi/16,-pi/16

### Calculus

Average Value of a Function f(x) =(1)/(X-3)^2 in the interval [0,2]

### calculus

find the conjugate on z times w if z=[3,120] and w=[-1,-15]

### calculus

find the (conjugate of z) times (w) if z=[3,120] and w=[-1,-15]

### calculus

How would you sketch the graph of E(v)=aLv^3/v-u

### CALCULUS

For the piecewise function, find the values g(-8), 8(3), and g(8). g(x)={X+6,FOR X<=3 7-x, for x>3

### Calculus

I need help finding the vertical asymptote of f(x)= 1-x -------- 2x^2-5x-3

### calculus

Factor the given equation: p(x) = x^3 - 25x

### calculus

Evaluate the following limit lim x^2 + 3x - 40 x-->5 ------------- 3x + 10 - x^2

### Calculus

How is 2cos(4x) the derivative of f(x)=sin(2x)cos(2x)?

### Calculus

If d/dx(f(3x^5))=9x^4, find f'(x) I can't figure out what this means

### Differential Calculus

Find the limit of (10^x - 5^x)/x as x approaches 0

### Calculus

Find dy/dx by implicit differentiation. sqrt(3 x+y)=2+x^2y^2?

### Calculus

What is the local linearization of e^x^2 near x=1? Is the answer 1+2x

### calculus

find the critical numbers of the function 2t^(2/3)+t^(5/3)

### Calculus

How do you integrate square root of (4-x^2) ? Pleasee help!

### Calculus

series: n=1 to n=inf of 6/(n^3-4) convergent or divergent?

### calculus

Let f and g be differentiable everywhere. If g is the inverse of f and g(-2)=5 and f'(5)=-1/2, then g'(2)=? PLEASE HELP! Thanks

### multivariable calculus

int (30y1y2)dy1 ?

### calculus

the second derivative of y for the point (-1,1) for the equation x^2y+3y-4=0

### calculus

implicit differentiate this equation in terms of y x^2y^2=(y+1)^2(4-y^2)

### calculus

find dy/dx of xsiny+cos2y=cosy

### Calculus

If f(x) and g(x) are continuous functions with f(6)= 3 and limit as x approaches 0 of (5f(x) - g(x)) = 4, what is g(6)?

### Calculus

Washer Method: y=x^3, y=1 ,x=2 aroud the Y axis

### Calculus

I am lost. Find dy/dx by implicit differentiation. 1) 5y-2x^2=x-3

### calculus

how do you find the x and y intercepts of an equation? i forgot.

### calculus

Find a formula for the inverse of the function f(x) = (4 x-1)/(2x+3)

### calculus

evaluate: integration of x^2 (square root of (1-2x^3))dx

### Calculus

Evaluate the integral: sin^2(5x)cos^2(5x)dx

### calculus

integrate log base 10 x / x dx i don't understand this

### calculus

sec^2(x) / (1+2tanx)^2 dx please help me with this integration thank you

### calculus

what are the steps and explanations for differantiating this function? y = ln(e^-x + xe^-x)

### Calculus

How does ln(e^-x) = -x I know that the derivative of ln is 1/x so it would be 1/(e^-x) but how does that simplify to -x? I am confused....

### calculus

how do you take a limit of [ln(1+e^n)]/2n as n goes to infinity?

### calculus

how do you find the limit as n approaches infinity of n/(2^n + n)?

### Calculus

How to integrate with position, velocity and accelleration

### Calculus

Evaluate the limit. lim x-->infinity 5x+6/6x^2-3x+7

### Calculus

f(x)=sin^(7)x The 7 is an exponent and the x is not. Find the derivative.

### calculus

find the max point on the graph f(x) = -1/3x^3 + 3x^2 - 5x

### calculus

Differentitate y = e^x^2 -^5^x +^4 so far i have dy/dx = 2x e^(x^2) - 5^(x)* ln 5 + can you help with the rest?

### calculus

simplify the following: 2ln(x-3)+ln(x+2)-6ln(x)

### Calculus

Using the first of these limits, find f'(3) if f(x)=4x^2+4x-2

### calculus

find the first derivative of f(x)=(3-4x)^5tan(2x^2-x-1)

### Calculus

The expression e^x / e^(4+x) can be written as e^f(x), where f(x) is a function of x, find f(x)?

### calculus

Find the limit. lim (5u^4+7)/(u^2-2)(2u^2-1) u-->infinity

### calculus

Determine whether f '(0) exists. f(x) = {xsin(10/x) if x can not = 0 0 if x=0

### Calculus

[Inverse Functions] f(x)= 5cos(x)sin^(-1)(x) f'(x)=?

### calculus

Differentiate the following function. y = (5 x^2 + 7 x + 6)/sqrt(x)

### calculus

If 5x^2+3x+xy=2 andy=-12, find y'(2) by implicit differentiation.

### Calculus (derivatives)

Find the derivative of cos^2(4x)

### Calculus

What is the antiderivative of f(x)= 2x^8 + 10x^5 - 8x^4 - 4? I got (2/9)^9 + (10/6)^6 - (8/5)^5 - 4x but it's not right.

### Calculus

The linear approximation at x = 0 to sin (5 x) is A + B x. Find A and B?

### calculus

find the derivative of y=sqrt of arctan x

### calculus

what is the the derivative of the absolute value fuction x-3

### Calculus

3 ⌠ 2⌡ (2x^2+5) / x^2 dx =? I got 1.66 but it was wrong.

### Calculus

Find the area enclosed between f(x)=0.4x^2+5 and g(x)=x From x=-5 to x=8

### calculus

find the derivative of f(x)=cot(3x)csc^2(3x)

### calculus

For a function f, let f*(x)=lim (f(x+h)-f(x-h))/h h->0 Determine f*(x) for f(x)=cos(x)

### Calculus

Express the four fourth roots of 1/2 + ã3/2 i

### Calculus

Express the following in Sigma notation 2+8+18+32+50+72

### Calculus

Express the following in Sigma notation 2+8+18+32+50+72

### calculus

U-Substitution 1. 3x(sin^2((3x^2)+1)cos((3x^2)+1)dx 2. (x^3)(sqrt((3x^2)+1)) dx u = ((3x^2)+1) then?

### Calculus

The total area enclosed by the graphs of y=6(x^2)–(x^3)+x and y=(x^2)+7x is ..

### Calculus

Let f(x) = ln(((2x–5) / (7x+4))^(1/2)). f'(x) = ... I keep on getting the wrong answer.

### Calculus

lim x->9 1 1 - - - 3 square root of x ___________________________ x-9

### calculus

Deternime the instantaneous rate of change at x=2 for: y=x-2x^3

### calculus

please help! Find the derivative of f when f(x) = 5 tan^-1 (e^-x) + 6e^x

### calculus

Use the principles definition to find dy/dx for: y= -3x^2

### calculus

lim sinx as x approaches pie/r