Shelley

Hello Everyone, I need help with Calc II. 1. Integral from 0 to 1 of (sin(3*pi*t))dt For this one, I got -1/3pi cos (9 pi^2) + 1/3pi 2. indefinite integral of sinxcos(cosx)dx I got sin(cosx) + C 3. Indefinite integral of x over (root (1-x^4))dx I don't kn...

18 years ago

Hello, I have some calculus homework that I can't seem to get started..at least not on the right track? I have 3 questions 1. integral of [(p^5)*(lnp)dp] I'm using the uv-integral v du formula So first, I'm finding u and I think it's lnp.......so du is 1/...

18 years ago

Hello! I really don't think I am understanding my calc hw. Please help me fix my errors. Thank you! 1. integral from 0 to pi/4 of (tanx^2)(secx^4)dx It says u = tan x to substitute So if I use u = tan x, then my du = secx^2 then I have integral of (u^2) t...

18 years ago

in the equation w= fd it is assumed that the force varies and is exerted in the direction of displacement... true or false? Yes. Force is measured in the direction of displacement.

18 years ago

We're doing areas by integrals now, with 2 eqns. I have a few questions. 1. Sketch the region in the xy-plane defined by the inequalities x-2(y^2)> 0 and 1-x-abs(y)>0. and find its area. Would it be best to solve for x, then graph it as x= something? Then...

18 years ago

Hello! I have a problem on volumes but I am having trouble visualizing the object. y=ln(x), y=1, y=2, x=0, about the y-axis For the graph, I graphed y=ln(x), then I have from 1 to 2. Is this one with a washer where I have integral fom 1 to 2 of pi*ln(x)^2...

18 years ago

My teacher has us doing a virtual Titration lab on sciencegeek site but never demonstrated a Titration Lab so I really don't undestand it. We have to identify five unknown acids according to how much [H+} of acid is in each solution. We had the choice of...

15 years ago

I posted this response under your answer but I thought I would repeat it here just in case you didn't look back at the other one. I really appreciate you helping. When you go to science geek, you have to type in Shockwave/Titration to get the experiment....

15 years ago

Could you please explain what makes carbon so special and how its different formations affects its properties. I know its versatile but I don't get the rest. Thank you

15 years ago

What are the advantages and disadvantages of Europe's geography?

15 years ago

What is the impact of Europe's geography on European History?

15 years ago

How can my 3rd grader make a 3D ear using any material? All things accepted except buying a kit from the store.

15 years ago

Can someone help me explain how factoring is used to solve quadratic equations? I can't find an explaination anywhere.

14 years ago

I use spanishtypeit to do accents so I just said after phrase where I would have put the accent mark-thank you for checking 1.¿Cuál es tu deporte favorito? Mi deporte favorito es al golf. 2..¿Te gusta navegar en el internet? Si, me gusta navegar en el int...

14 years ago

A company employs 10 people and plans to select a group of 4 of these employees to receive advanced training. How many ways can the group of four employees be selected? I thought this would be rather simple and I am completely stuck.. Any help with a form...

14 years ago

I need a poem that contains at least six of the poetic devices listed below: simile metaphor personification onomatopoeia alliteration rhyme rhythm rhyme scheme repetition

14 years ago

I need a poem that contains at least six of the poetic devices listed below: simile metaphor personification onomatopoeia alliteration rhyme rhythm rhyme scheme repetition I need this poem before 7 pm tonight, because my assignment is due tomorrow.

14 years ago

A 1-ounce serving of Cheetos has 2.90 ×102 mg of sodium. What is this mass equivalent to in units of grams?

14 years ago

For what values of x does the graph of f(x)=x+2sinx have a horizontal tangent?

14 years ago

The three station work cell illustrated in Figure S7.7, has a product that must go through one of the two machines at station 1 (they are parallel) before proceeding to station 2. Station 1-Machine A-Capacity: 20 units/hr Station 2-Capacity: 5 units/ Stat...

13 years ago

Victor needs to calculate the number of miles per gallon his car averages. His car's gas tank holds 15 gallons of gas. Write an equation that will help him determine the average number of miles his car gets per gallon of gas.

11 years ago

VERB ADJ NOUN PRO VERB PHRASE Identify the poem you will analyze, CONJ VERB PRO VERB PRO and explain why you chose it.

9 years ago

A 19-liter mixture consists by volume of 1 part juice to 18 parts water. If x liters of juice and y liters of water are added to this mixture to make a 54-liter mixture consisting by volume of 1 part juice to 2 parts water, what is the value of x?

9 years ago

Max Wholesaler borrowed $5000 on a 12%, 120-day note. After 45 days, Max paid $1750 on the note. Thirty days later, Max paid an additional $1500. Use ordinary interest (360 days). a. Determine the total interest using the U.S. Rule. (Round your intermedia...

7 years ago

The web site for sciencegeek -you need to type in Shockwave/Titration after sceiencegeek So when I take the volume of base times the moles of base and divided by volume of acid, that gives me the [H+] of the acid, correct?

15 years ago

thank you

15 years ago

Thanks so much-I really appreciate it

15 years ago

Thank you.

15 years ago

Thank you-I see where I made the mistake-

14 years ago

I need to find one.

14 years ago

I am hoping you can direct me in this by today, since my assignment is due tomorrow. Thanks for all of your help!!

14 years ago

Describe how you could separate the components of a mixture of PbCl2 and NaSO4 and recover the two substances.

11 years ago

I believe that it would be that man has "evolved" into having to rely more on technology for a means of communication. If today's man were forced into a society without cell phones, computers, electricity, or means of gas powered modes of transportation,...

11 years ago

a) weight in N = 72.2 x (9.8+1.53) = 818N b) weight in N = 72.2 x 9.8 = 708N c) weight in N = 72.2 x (9.8-1.44) = 604N you multiply the mass by gravity +/- the acceleration depending on if the elevator is moving upwards or downwards.

10 years ago