Wednesday
July 30, 2014

Posts by isabel


Total # Posts: 114

algebra 2
find a1 for given geometric series. Sn= 405, r=3, n=4 I don't know how to start the problem

olgc
a circle is divided into 18 equal parts. how many degrees is the angle for each part? how many degrees is the angle for the 5 parts?

AICE math
I was confused about if I should just plug in the value or take the derivative of the function? But Thank you!

AICE math
A 30 foot ladder is leaning against a house(see figure). if the base of teh ladder is pulled away from the house at a rate of 2 feet per second, the top will move down the wall at a a rate of r= 2x/(sqrt(900-x^2) ft/sec, where s ist the distance between the base of the ladder ...

College Physics
A 57.0 cheerleader uses an oil-filled hydraulic lift to hold four 110 football players at a height of 1.40 . If her piston is 19.0 in diameter, what is the diameter of the football players' piston? The density of the oil in the hydraulic system is 900 kg/m^3.

chemistry
The volume of a mass of gas is 300 ml at 25 Celsius and 685 torr. What will the gas occupy at STP?

Geometry
200%

Math (immediate help, please!)
A bicycle has 26-inch diameter wheels. If the wheels revolved 2 times after the brakes were applied, the stopping distance is approximately _____. What's the answer? Provide a thorough explanation as well, please.

Math (immediate help, please)
A bicycle has 26-inch diameter wheels. If the wheels revolved 2 times after the brakes were applied, the stopping distance is approximately _____. What's the answer? Provide a thorough explanation as well, please.

Math (immediate help, please)
Find the area of a regular pentagon with a side 8 centimeters. Please provide an explanation!

Geometry (immediate help and explanation)
Thanks! But one question..um, where did you get the triangle?

Geometry (immediate help and explanation)
A bridge is the shape of an arc of a circle. The bridge is 8 feet tall and 36 feet wide. What is the radius of the circle that contains the bridge? Round your answer to the nearest tenth.

math
27

Math
Farmer Bob is considering buying a new field that is next to one he already owns. The field he is considering is a perfect square. The fence along each side of this square field is made of old logs and is a third of a mile lone. If he can walk at a rate of three miles per hour...

Math
Mr. Brown needs to buy some fencing for his garden (too many rabbits have been getting in and eating the vegetables). If his garden is twenty-three meters by thirty-four meters and is in the shape of a rectangle, what length of fence does he need to build?

college chemistry
if 2.00g of Zn is allowed to react with 2.00g of CuSO4 according to the equation CuSO4(aq) + Zn(s)-----> ZnSO4 (aq)+ Cu(s) how many grams of Zn will remain after the reaction is complete ?

accounting
Y= a + bx y= 567,000 + (4.00* 38,000) y= 567,000 + 152,000 y= 719,000 estimated manufacturing overhead Predetermined overhead rate= estimated manufacturing overhead/ estimated allocation base POR= 719,000/38,000 POR= $18.92 per direct labor hour

Statistics
b. yes a confidence interval has the meaning that a % likelihood exists the population mean is within the interval

World History
Hi, I've been assigned a project where I'm playing the role of a history revionist that has to make a top ten list of the problems with bureaucracy in Qing Dynasty China. Also, this has to appeal to senior citizens somehow (that's my assigned audience). I've be...

math
the ratio of boys to total of students is 2:5.the number of girls of the student is 3. there are 123 girls.how many boys are there?

books
i know she is fictional, I thought in a description of who this character was would have where and when she was born. I haven't gotten my romeo and juliet book in english yet, but my teacher assigned me a project that required lady montage birthday in it, so I figured you ...

books
I am having trouble finding the birth date of Lady Montague from Romeo and Juliet. If you can please help me i would really appreciate it!!!!!!!!!!!!!!! Thanks sooooooooooo much, Isabel

physics
.29

Math
Find lim θ→0+ A(θ)/B(θ)

Physics
Block 1 of mass m1 slides from rest along a frictionless ramp from height h and then collides with stationary block 2, which has mass m2 = 3m1. After the collision, block 2 slides into a region where the coefficient of kinetic friction is μk and comes to a stop in distanc...

Stats - Please help
I have data on ATPase activity of two types of muscle at different concentrations of Ca 2+ and although the leg muscle seems to be more responsive than the flight i have to prove this statistically I dont know whether my data is paired or not. I think that it is not paired and...

Science / math
I have data on ATPase activity of two types of muscle at different concentrations of Ca 2+ and although the leg muscle seems to be more responsive than the flight i have to prove this statistically I dont know whether my data is paired or not. I think that it is not paired and...

physics
In a room that is 2.78 m high, a spring (unstrained length = 0.30 m) hangs from the ceiling. A board whose length is 1.94 m is attached to the free end of the spring. The board hangs straight down, so that its 1.94-m length is perpendicular to the floor. The weight of the boar...

ENGLISH
IM DOING AN ACROSTIC POEM ON THE WORD SPRING AND I NEED HELP FOR I CAN I GET ANY IDEAS ASAP DO TOMORROW 4/13/2011 THANK :]

math
unpaid balance at the end of the 10th year? loan amount of 250,000

homophones
is the word days a homophone?

math
in a mathematical concept,a formula or graph

science biochem- please help!!!!
I don't know where to start with it? A tube is set up for radioimmunoassay containing antibody with a capacity for binding 1ug antigen. Both labelled (50,000 counts per ug) and unlabelled antigen are added to the tube. Work out a formula to calculate the amounts of counts ...

English
What actions could the friar and nurse (from Romeo and Juliet) have taken in act 4 that would have changed the outcome?

English plural form
Kellys. Saying "Kelly's" would imply possesion.

English
What actions could the friar and nurse (from Romeo and Juliet) have taken in act 4 that would have changed the outcome?

chemistry
what would happen if PbI2 were to be ingested into your blood stream?

math
explain how you know tt 3/6 i greater than 1/3 but less than 2/3

physics
An "energy bar" contains 22g of carbohydrates. If the energy bar was his only fuel, how far could a 68 kg person walk at 5 km/hr ?

chemistry
DETERMINE the enthalpy for the reaction CH4(g)+NH3(g)->HCN(g)+3H2(g)

math
how can i drop an egg 4 feet without breaking it

pre algebra
100- 3(2.3) + 5.6

pre algebra
evaluate (m+n)-3 power if m=-1 and n=-5

Math
If i'm given the equation 4.23= -.19t^2+2.56t-2.37 how do i find the value of t?

math
what is the sixth term in this sequence 83,77,71,65

Math
#1) 3y + 12 / 8y third power divided 9y + 36 / 16y third power #2) 8x second power / x second power - 9 x 2 second power + 6x +9 / 16x third power

math
r=7.5 what is the diameter circumference, and area

alegbra 1
what is the y-intercept of the graph of 4x+2y=12? i was giong well on my scratch paper and i mest up and i got stuck and had to erase everything and do it over answers: a -4 b -2 c 6 d 12 please and thank you i need how they do the work i cant decide!

personal finance
would you purchase a $100,000 20 year annuity today for $15,000 given a required rate of return of 14.5%? Why, what is the value of the annuity?

Chemistry- Writing Net Ionic equations
If ammonia reacts according to the following equation how many kilograms of NO could be produced from 10 kg of NH3 if the percent yield of NO is 80%? 4NH3+ 5O2 yields 4NO+ 6H2O

Physics
Mercury is poured into the open end of a J-shaped glass tube, which is closed at the short end, trapping air in that end. How much mercury can be poured in before the mercury overflows? Assume air to act like an ideal gas. The long and short arms are 1 m and 0.5 m long, respe...

math
graph y=x2,y=2x2 and y=1/2x2 on the same

Physics
Mercury is poured into the open end of a J-shaped glass tube, which is closed at the short end, trapping air in that end. How much mercury can be poured in before the mercury overflows? Assume air to act like an ideal gas. The long and short arms are 1 m and 0.5 m long, respec...

Physics
Mercury is poured into the open end of a J-shaped glass tube, which is closed at the short end, trapping air in that end. How much mercury can be poured in before the mercury overflows? Assume air to act like an ideal gas. The long and short arms are 1 m and 0.5 m long, respec...

science
what drives the lithospheric plates

HCA 220
Yes Ms. Sue it has to be imaginary patient.

HCA 220
Yes it has to be an imaginary patient

HCA 220
o Scenario 2: You are an allied health professional working with an orthopedist. You have been working with the patient and need to update the doctor on the reason for the patient’s visit. Begin describing the patient’s concerns. Your classmates may continue with thi...

HCA 220
You are attending a wellness conference and one of the exhibitors is a chiropractor in your local area. You are unfamiliar with chiropractic care and want to learn more. Since you are at the conference, the doctor assumes that you have knowledge of medical terminology. Begin t...

algebra
multiply 56 by 6, make it cubed.

5th grade
verb=stood

5th grade
66. If you look up "What 66 countries gained independace from UK", you should find a more detailed answer. :)

math 6th grade
Please help I have to go to bed really soon!!!

math 6th grade
I left my math book at school, grabbed my geo. :( We were supposed to take notes in a math textbook about Variables and Algebraic expressions. Can I have a good website with definitions and examples? Thanks. (and next time i'll remember my textbook)

Math
Thanks! :D

Math
Can somebody give me a good explanation on how to find the Greatest Common Factor on a 6th-7th garde level? Thanks. I was absent yesterday and I have a quiz on this TOMORROW!

7th grade math
Ok thanks! NOW i get it :)

7th grade math
I still don't really understand! :)

7th grade math
Keeping the numbers in exact order, add perentheses, exponents, multiplication, subtraction, divison and addition to make this expression equal 100. 3,5,6,2,54, and 5. Thank you!

7th grade
can someone help me with RATIONAL NUMBER REPRESENTATION: APPROPRIATE FORMS!?!?!@_@IM FREAKIN OUT HERE PEOPLEZZ!!!

spanish
a.

5th Grade Math
Thanks so much!!! Now I understand :)

5th Grade Math
(I meant draw a rectangle with a star and TRIANGLE inside, not a flag.)

5th Grade Math
Question:Percy is coloring a flag he made for class. He can use the colors blue, green, yellow and red.He can paint the rectangle part (backround) of the flag one color, the triangle one color, and the star one color. For example, Percy could make the star yellow, the backroun...

Reading/Writing
How do you find themes in a story? EX. Don't watch too much TV or you will become dumb.

Help this is so confusing?
*=times ^=square root /=divided 3.1416*3/6+123-56*^16*11-23/178=??? HELP ME!

Math
Thanks!

Math
Write a formula to find the area (A) of a square. Use S to represent the length of one side.

math
Try simplifying them.

4th Grade Math
Thank you SOOOO much!

4th Grade Math
At Mrs. Livingston's favorite grocery store, oranges are sold in bags of 10 and grapefruits are sold in bags of 6. Mrs. Livingston wants to buy an equal number of oranges and grapefruits. What is the smallest number of each fruit Mrs. Livingston needs to buy in order to ha...

Science
try it.

Math
there we 24 runners

Math
I was not. It was a chart and I don't understand it either.

Math
What was the average number of laps completed by each team member running? The total laps were 6,000.

Math
What was the average number of laps completed by each team member running? The total laps were 6,000.

math
i dont get it

math
you are building a ramp that will be in the same shape of a perfect right angled triangle. the vertical height of the ramp will be 10 feet. the horizontal base of the ramp will be 15 feet. what will be the length of the downward sloping side of the ramp? A 18feet B 19feet C 20...

math
you deposit $ 900 in a savings account that earns 4%interest coumpounded once a year and has no service charges. you donot make any deposits or withdrawals to the account for two years. at the end of two years, after the second year's interest has been added to the account...

math
your credit card balance is $1150 and the minimum monthly payment required is 3%. what is the minimum amount you must pay this month? A $25.50 B $31.00 C $34.50 D $39.00

matha
which of the following is an example of a binomial? A 2y B 2x+y C 2xy D none of the above

Math
How do you find a common denominator?

english
This is supremely easy! Just find sentences within sentences that make sense to the subject!

Spanish
NO! This is perfect!

Math
There is nothing wrong w/ this! What is your question? We can't answer what you're trying to ask unless you put it down!

literary
what is the relation beween shakespeare and john donne?

Math
What is 9,010-8,736?

Social Studies
Thanks guys!

Social Studies
What continent is Brazil on?

math
How do I simplify a number like 3 and sixteen twelves?

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