Wednesday
July 23, 2014

Posts by Lalala


Total # Posts: 30

algebra
Statistical information for a data set is given. • The mean is 18.1 • The z-score for 13.0 is -1.7 What is the standard deviation for this data set? f 3.4 g 1.7 h 5.1 j 3.0

physics
A truck of mass 1.0 tonne moving at 4.0 m/s catches up and collides with a truck of mass 2.0 tonne moving at 3.0m/s in the same direction. The trucks become coupled together. Calculate their common velocity

AP Calculus
Find an equation of the tangent line to the graph of f at the given point. f(x)=27/(x^2+9) (-3,3/2) I got y=x/2+3, but I don't think its right.. please help!

Math
If triangle ABC is similar to triangle DEF and the scale factor is 1:2 correspondingly, what is the measure of angle D is the measure of angle A is 45 degrees? Explain how you determined the measure of angle D.

physics
You measure a quantity, say A, and it has a 1% uncertainty. If you calculate the value of 100A, its uncertainty will be a. 100% b. 10% c. 1% d. Need more information since it depends on what A is.

calculus urgent help please!
company operates two plants which manufacture the same item and whose total cost functions are C_1=9.5+0.04q_1^(2)and C_2=3.4+0.06q_2^(2), where q_1 and q_2 are the quantities produced by each plant. The total quantity demanded, q=q_1+q_2 , is related to the price, p , by p=30...

physics
I have the same problem!! I'm not sure but I think you would multiply 23 times -.33 to find how much the speed is changing in 23 seconds. That is -7.59 so therefore the speed, over any 23 seconds is decreasing 7.59 meters per second. Then I subtracted 7.59 m/s from 18 m/s ...

english
so apparently my comparison is suppose to be written in formal and not in first person. so my first sentence is not right.how can i rephrase "Miley Cyrus song "The climb" is not only one of my favourite songs, but so it Katy Perry's song"firework? or ju...

english
how do you explain kayy perry's metaphor: " do you ever feel alreay buried deep?" in her song fireworks.

kite runner
What does it mean to be Hazara, Shi'a muslim, afghanistan's majority group? Who, in the story thus far, is hazara? the sparknotes not really working out for me

kite runner
can someone help me answer in point form for these questions 1) describe Hassan physically? what is a cleft lip? 2) describe him by his relationship with amir? 3) what was his first word? why is that important? 4) how did he come into amir's life?

english
at school i am reaing the kite runner as the class novel. i have one comprehension question im notsure how to answer. can somebody help me. the question is: the novel begins with a flashback. what do you think is its purpose? what do you learn about the narrator? i no part of ...

english help asap
this is my intro to my comparison essay, but i feel like there should be something extra before "an analysis..." but i dont know what i should write. this is what i have so far: Miley Cyrus song “The Climb” is not only one of my favourite songs, but so is K...

english
for my comparison essay i have finish the conclusion paragraph. can someone edit it or improve it if possible. also do anybody know how i could conclude my essay. here the paragraph: Miley Cyrus’s argument for how every person is an individual is more compelling than Katy...

english
for my comparason essay. now that i have finished every paragraph except the conclusion paragraph. so far i got: Miley Cyrus’s argument for how every person is an individual is more compelling than Katy Perry’s argument to just express your self. The message reminds ...

english
my comparison essay introduction paragraph. can someone help me think of what to wrtie before the "an analysis...." i just need a general idea of what to write because im stuck. here the intro: Miley Cyrus song “The Climb” is not only one of my favourite so...

english
for my comparison essay i am analysis of the 2nd device for katy perry song fireworks.. i need help explaining this line into details. could somebody give me like at least 1-2 sentence explaining it. the device im using is imagery and the line is:“After a hurricane comes ...

english
do anyone know where i could get information on roles and experiences of women in afghanistan (under Taliban rule) - position in society (economy, politics, religion). also from a reliable website and i am able to reference on my work cited list

english
for my comparison essay i am analysis of the 2nd device for katy perry song fireworks.. i need help explaining this line into details. could somebody give me like at least 1-2 sentence explaining it. this is what i got so far: Perry then uses imagery when she stated that “...

English
I am writing a comparison essay how Miley cyrus song the climb argument is better than katy perry fireworks. I need help finishing my conclusion. my thesis restated is: Miley Cyrus's argument for how every person is an individual is more compelling than Katy Perry's ar...

natural disasters
i need a creqative way to memorize this things for my upcoming test next week. 1)plates tetonics 2)shockwaves after earthquakes 3)tsunami 4)volcanoes

English
Iam writing a comparison essay between katy perry fireworks and the climb by miley cyrus. I need help starting off a good introduction. Thesis statment:An analysis of he literacy devices in katy perry"fireworks" and miley cyrus"the climb" reveals Miley Cyru...

English
I am writing a comparison essay between katy's perry "Fireworks" and "The Climb" by Miley Cyrus. Can somebody help me start with 2 sentences for a strong introduction

algebra 1
stfu ms sue if we woulda solved the damn math we wouldnt be on here. sh.

physics
Equations you will need: Q = mc deltaT e = 1 - (Qc/Qh) The first thing you need to realize is that when you're calculating Q it's Qc, because that is the heat going into the water and therefore out of the power station. So then you can plug that into e = 1- (Qc/Qh) and...

chem
I need to find the calorimeter constant for this experiment. Mass of nested cups (two cups inside one another): 3.04 g Mass of single cups: 1.51 g 75 mL of cold water goes into nested cup: 76.045 g and the temp. remained constant at 23.0 75 ml of warm water into single cup: 7...

chemistry
in the butt

chemistry, plz check work
by any chance, are you taking chem 125 at calpoly? because my take-home quiz has the same exact question on it. anyways, the problem is that you need to use the molarity and not the moles. instead of having 2 mol for your initial concentrations, it needs to be 0.4M (2.00 mol/5...

Poem: A Voice by Pat Mora
i dont understand this stupid poem

the big idea of energy
we did the journey of a cheese sandwich ...

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