# Calculus (Answer Check)

87,537 results, page 72

### Pre-Calculus

Use the CALC features of the TI to answer the following. Show what you put into the calculator & what CALC feature you used. Round to the nearest tenths. The equation h = 20 cos (π/4 (t-3)) + 23 tells how high above the ground a ferris wheel car is at any given time. h is...

### calculus

v(t)= Ce^(k(square root(t)) Suppose that the dealer, who is 25 years old, decides to sell the card at time , sometime in the next 40 years: 0< or equal to t < or equal to 40. At that time , he’ll invest the money he gets for the sale of the card in a bank account that ...

### math

Can you tell me how you would answer this question? My teacher says that one answer is correct but I think that my answer is correct. I want a second opinion. A soccer coach purchases 12 uniforms for 17.50 each. He buys 6 soccer balls for 8.58. How much did he spend in all? I ...

### Math

Can you tell me how you would answer this question? My teacher says that one answer is correct but I think that my answer is correct. I want a second opinion. A soccer coach purchases 12 uniforms for 17.50 each. He buys 6 soccer balls for 8.58. How much did he spend in all? I ...

### inequality expresion

The cost of a long distant telephone call is $0.36 for first minutes and $0.21 each additional minutes or portion thereof. Write an inequality representing the number of minutes a person could talk with out exceeding $3.00 would this be written as 0.36+0.21(x-1)<$3.00 0.36...

### Chemistry

Find the pH during the titration of 20.00 mL of 0.2380 M butanoic acid, CH3CH2CH2COOH (Ka = 1.54 10-5), with 0.2380 M NaOH solution after the following additions of titrant. (a) 0 mL Ive got the answer of 2.72 (b) 10.00 mL Ive got the answer of 4.81 I'm lost from here...Please...

### chem

Consider the equation A <-> in a 1L container. At 7.57C, the molar concentrations of A and B are 7.228M and 1.976 (respectively). Suddenly, 1.831 moles of A are added to the system. What is the change in deltaG of the system (Answer in kJ) At first, I thought I would use...

### city project

my is elderly people things to start a presentation goes like this ............. 'cities needs to provide services to all residents but espially to eldery people' because there population increases in future! city need 55 plus buildings to live and pavllion. they should make ...

### Calculus--complex numbers

let z= a+bi be a complex number. it is given that the quotient (z-i)/(z-1) is purely imaginary. show that z lies on a circle and determine the centre and radius of this circle. OK, here's my working out...( i am using "X" as my times symbol) step1: (a+bi-i)/(a+bi-1)X[(a-1)-bi...

### English

A. Zach enjoyed biking to his job at the Bistro Cafe'. the early morning ride gave some serenty to his hectic schedule. Opening the restaurant allowed him to get everything ready before the rest of the crew arrived. 1. In the above passage, an example of a concrete noun is? ...

### English

Listening to the explanations of the sports, let's play the quiz game. You should work in pairs. I will distribute sheets of paper. One should read the explanation of a sport. Then the other should guess what sport it is. Read all the explanations of the sports, and if your ...

### Calculus Please Help

A continuous function f, defined for all x, has the following properties: 1. f is increasing 2. f is concave down 3. f(13)=3 4. f'(13)=1/4 Sketch a possible graph for f, and use it to answer the following questions about f. A. For each of the following intervals, what is the ...

### Calculus Please Help

A continuous function f, defined for all x, has the following properties: 1. f is increasing 2. f is concave down 3. f(13)=3 4. f'(13)=1/4 Sketch a possible graph for f, and use it to answer the following questions about f. A. For each of the following intervals, what is the ...

### English - check my answer, please.

"Everyone in our neighborhood mows their lawn on Saturday, and my street, as a result of that, is pretty." This construction: has one error, a pronoun with no appropriate antecedent. has two errors, a pronoun with no appropriate antecedent and a shift in tense. *** has one ...

### Science

Which of the following describes the path of blood between the heart and the lungs? 1)heart-capillaries-veins-arteries-heart 2)heart-arteries-veins-capillaries-heart 3)heart-arteries-capillaries-veins-heart 4)heart-veins-capillaries-arteries-heart I think #3. Can you check my ...

### Physics-Please check if I did this correctly

I posted this question this morning but I'm not sure of the response Damon provided. I did it once but then I updated it later in this at the bottom- please check booth of my answers. If you were in a rotor style ride and the riders accelerate until the speed of ride is ...

### calculus

I solved this problem, can someone check it to make sure I did it right. There are two parts to this intrepation and estimate of the value. Let C(t) be the total value of the US currency (coins and banknotes) in circulation at time, t. The table gives values of this function ...

### American government

how does the pledge of allegiance to the flag of the united states reflect the concept of natural rights? A. the pledge of allegiance includes the phrase "under god" B. the pledge of allegiance recognizes the united states as a republic C. the pledge of allegiance states that ...

### American government

how does the pledge of allegiance to the flag of the united states reflect the concept of natural rights? A. the pledge of allegiance includes the phrase "under god" B. the pledge of allegiance recognizes the united states as a republic C. the pledge of allegiance states that ...

### Math (check please)

Could you check these please? Firewood is usually sold by a measure known as a cord. A full cord may be a stack 8x4x4ft or a stack 8x8x2ft 10. what is the volume of a full cord? 8*4*4=(128ft) 11. A short cord or a face cord of wood is 8x4xThe lenght of the logs. What is the ...

### calculus

find f(x,y+k)-f(x,y)/k when f(x,y)=x^2y+2xy^2

### Pre Calculus

Formula: a = b = c

### Pre Calculus

Formula: a = b = c

### Calculus

If a, b, and c are digits for which 7 a 2 -4 8 b ========= c 7 3 then a + b + b = _______ (A) 14 (B) 15 (C) 16 (D) 17 (E) 18

### calculus

how do u find the inverse of 2^-t/4

### Calculus?

If a, b, and c are digits for which 7 a 2 -4 8 b ========= c 7 3 then a + b + b = _______ (A) 14 (B) 15 (C) 16 (D) 17 (E) 18

### Calculus

(1 - x)^4 * (2x - 1)^5 its a derivative how can i solve this?

### calculus

Find f(4) if S (0 to x) dt=xcospix.

### Pre calculus

gfk

### Calculus

Minimize S=x+2y with xy=2 and both x and y > 0

### Calculus

Find the derivative of f 0f x. f(x) = x^2 - 8x - 17 at x = 4

### Calculus

Find the derivative of f 0f x. f(x) = x^2 - 8x - 17 at x = 4

### calculus

f(x)={4x+5 if x<3 17 if x=3 2^x+4 if x>3 determine if f is continuous at x=3

### Calculus?

how do you expand Ln abs(ã7 x^3+2x^2)

### calculus

Let y = sin(x^2-3). find dy.

### Calculus

How do we integrate xlne^x .

### Calculus

How do we integrate 1/lnx.

### Calculus- Help please

I don't know how to do this, so I can't graph it. f(x)= 1/x-4 Thank you for the help.

### Calculus

How do I take the integral of (9t^3 - 3t^2 + t)/3t?

### Calculus

Let f(x)=7x/x–6 Then f'(9)= And after simplifying f'(x)=

### calculus

what is the integral of x^(2)arctan(6x) dx?

### Calculus

What's the derivative of y=400(2)^(x+3)

### calculus

R+10=100+12R

### Calculus

Let a=8, f(x)=|x-8|/x Is the value of the limit 0.

### calculus

what's integration of (tanx)^5?

### calculus

Expand the binomial: y = (x-3)^4

### Calculus _HS

Let f(x) = x2-x-6/x g(x) = x-3, find (f+g)(x) (f-g)(x) (f/g)(x) Help !!! thanks

### calculus

Differentiate the funciton H(x) = (x + x^-1)^3

### calculus

Differentitate the function y =4(pi)^2

### differential calculus

differentiate h(x)= 6x^2 - 1 / x^4 + 5x + 1

### 12th AP Calculus

find the dy/dx of: x^2=(x-y)/(x+y)

### Calculus

find the derivative of f(x)=(3)/(x-2) at x=4

### calculus

differentiate y = (cos x)/ (x^9)

### calculus

Find the derivative of: g(x)=ln(ln(x+1))+e^(x^(3/2)+(x/3))

### Calculus

what is the limit of x/(ln x) as x approaches 0?

### calculus

differentiate y=x sin((4)/x)

### calculus

why is the derivative of f(x)= e^lnx f'(x)=1?

### calculus

solve 4x^3-6x+2=0 for all x

### calculus

how do i reduced 76/100

### Calculus

if h(x)= (the antiderivative of) 2x^2 +8x-5 dx find h'(x)

### calculus ab

What is the integral of sin4xcos4x dx?

### calculus ab

What is the integral of sin4xcos4x dx?

### Calculus

Find: 1)x^2-y^2=15, normal at (-8,7)

### calculus

what is the limit as x -> 0+ (0 from the right) of |x|/x?

### calculus

lim x->(pi/3) (cos x -(1/2))/(x-(pi/3)) is?

### calculus

how do you integrate 30x^2/(x-2)(x+3)(x-5)

### calculus

how do you integrate 30x^2/(x-2)(x+3)(x-5)

### calculus

how do you intergrate (sqrt(ln r))/r

### Calculus

Let P(x,y)=5x^3y+8xy^3. Then Px(-1,1) is? And Pxy(-1,1) is?

### calculus

what's the derivative of cos3x

### Calculus

Find the F^(-1) (6) - inverse f(x) = x^5 + 3x^3 + x + 1

### Calculus

Solve for x 100 x (1/2)^t/3.8

### Calculus

Solve for t 100 x (1/2)^t/3.8

### Calculus

If f(t)=(t^2+6t+2)(3t^2+3) then f'(t)=_____? and f'(3)=______?

### Calculus

If f(x)=6arcsin(x^3) find f'(x)

### Calculus

Given that f(x)=x^6h(x) h(-1)=3 h'(-1)=6 Calculate f'(-1).

### calculus

solve for x: a)e^x=5 b) lnx=2

### Calculus

Find the Derivative of (7x^2-6)^8(-4x^2-3)^9

### calculus

find the intercept of y=4x^2+3

### calculus

how do you solve e^(9ln2)

### Calculus

cos4x^2 + sin4x^2?

### Calculus

What is the derivative of f(x)=5^x log6(x)?

### calculus

what is the derivative of (sin^2)x ?

### Calculus

What is the difference between f'(x), y', and dy/dx?

### Calculus

What are the critical points of f(x)= e^x / 3+e^x?

### calculus

find dy/dx x=sin y

### calculus

what is the derivative of y = (1/2)xln(x)

### calculus

derivative of f(y)=yln(1+e^y)

### calculus

find the derivative (1+x)(2+x)....(10+x)

### calculus

find the derivative of f(x)= ln ln ln x

### Calculus

What is the orthogonal trajectory of y^2 - x^2 = C ??

### Pre-Calculus

How do I find xy^-2(xy^2 - 4y^4) ??

### calculus

what is the square root of 64?

### calculus

f(x) = tan^2x+ sinx then f ' (pi/4) =

### Pre-Calculus

How do you factor x^3 - 64?

### calculus

find the area of x^2+x+2 and 3x+3

### calculus

If: Y(s)=16s2-5s Find Y'(s).

### calculus

Is the function f(x)=x²(4-x)² even?

### Calculus

If Y(s)=(1/16s^2)-(1/5s) Find Y'(s).