Thursday
July 24, 2014

Posts by Jessica


Total # Posts: 2,604

math
If the radius of a circular wave is increasing at 2 meters/sec, how fast is the area changing when the radius is 5 meters? A)62.8 square meters per second B)25.0 square meters per second C)31.4 square meters per second D)6.3 square meters per second E) None of the above

math
If the radius of a circular wave is increasing at 2 meters/sec, how fast is the area changing when the radius is 5 meters?

science
what are three states of matter

Physical Science
A sedan weighing 4000 pounds travelling at 30mph collides head on with a compact car weighing 2000 pounds and travelling in the opposite direction at 45 mph. What is the resultant velocity of the combined vehicles?

Math
Thank you so much Ms.sue your a life saver!!!

Math
I'm trying to find the height of the rectangular pyramid

Math
The volume of it is 1125 cubic inches, the length is 18 inches, and the width is 15 inches. Can you also show me how to do because I have a test on it Monday. Thanks!

math
the pet shop owner told Jean to fill her new fish tank 3/4 full with water. Jean filled it 9/12 full . what fraction of the tank does Jean still need to fill?

history
When the First World War ended, Americans welcomed what they hoped would be a “return to normalcy.” The decades that followed, however, are ones which would rarely be described as normal, in comparison to what came before or after. During these decades, a struggle en...

Science
Solution preparation: 500ml's of .2M Sodium Cacodylate Buffer with a pH of 7.4 I don't even know where to start, could someone please tell me how to do this problem.

life orientation
Air pollution is one such environmental problem that causes ill health,accidents,crises(and disaster within any community within South Africa or globally)

math
You add 3/4+3/4+2 to get your answer

math
Paid $750 if u multiply 2.50 and 300. Then I multiply 750 and get 225. Fo I subtract that from 750 and get 525 or is it the snswer $225?

math
Ok but I dont knoe how to do it

math
I'm so confused on how to do it

math
I need help!!! Whats the name of the other person you did it to?

math
Miriam orders a shipment of 1500 pounds of ice for her supermarket. The ice comes in individual 5 pound bags that cost Miriam orders$2.50 each. Miriam sells the bags for 30% more than her cost. How much profit, in dollars, will Miriam's supermarket earn from the sale of 1 ...

math
Ok this is what I did. 5÷1500 got 300. Took 300×2.50 got 750. Subtracted 120-36 got 84. Then, I took 750×.3 and got $225. Ibdon't know if thats the answer or what. This is just confusing.

trigonometry
what are the solution sets to x^5-2x^3+x=0 and how do you get them?

math Statistics
Suppose that 33 out of 300 selected american drivers read the newspaper while driving. what percent of sample proportions are greater than this?

Basketball Current Event
Do you go to Helen Bernstein? Apex? I think I know you

Math
IDK but I'm not in eight grade, YET!! Comment, share, and love My pro in Facebook. Find me as Jessi Vertiz

math
solve the simultaneous equations; log x base 2-log y base 4=4, log (x-2y)base 2=5

Math
40+40x0+1 40+0+1 41

math
if log x base a,log y base a and log z base a are three consecutive terms of an AP,show that x,y and z are consecutive terms of a GP

math
simplify log squaroot of 2 base 7

Algebra
there is no solution

Algebra
there is no equal sign.so to what is that equated to

CHEM
the equation is already balanced

chemistry
C H N MASS 39.97g 13.41g 46.62 #mol 3.33 13.41 3.33 ratio 1 4 1 empirical formular CH4N empirical mass 30 (CH4N)2=C2H8N2 THUS THE MOLECULAR FORMULA

math
20 cups

Physics
A block of mass 17.9 kg supported by a vertical massless cable is initially at rest. The block is then pulled upward with a constant acceleration of 2.01 m/s2. What is the tension in the cable? What is the magnitude of the net force acting on the mass? What is the speed of the...

Math
SIMPLY MULTIPLY THE 8 HOURS BY 7 DAYS WHICH GIVES 56

Science
What is the percent of fresh water and salt water?

Easy Math
I am confused on how to do this ? ! Jeff is a salesperson in a retail store and earns $52 per week plus 13% of his weekly sales. If Jeff made $312 one week, what were his sales that week?

Chemistry
CONCENTRATION OF NaClO IN COMMERCIAL BLEACH. Bleach comes as 6%(mass/volume) solution of NaClO. Calculate the Molarity of NaClO in bleach to three significant figures ( you need molar mass of NaClO)

College Algebra
Hello - I am stuck on this problem and I'm in serious need of some help. I don't understand this question at all. The problem is: Find the equilibrium quantity and equilibrium demand function for the given: Supply: P=45q Demand: P=q^2+10,000

math
Find the % of Discount Regular Price $25,000 Sale Price $22,000

math
Find the % of Discount Regular Price $90 Sale Price $22.50

math
1 ten

math
Find the % of Discount Regular Price $125 Sale Price $100

math
Find the % of Discount Regular Price $125 Sale Price $100

math
thanks Ms. Sue!!!

math
Find the % of Discount Regular Price $72 Sale Price $60

Physics
Maria throws an apple vertically upward from a height of 1.3m unit an initial velocity of velocity of 12.4m/s 1. will the apple reach a friend in a tree house 5.3m above the ground. 2. If the apple is not caught, how long will the apple be in the air before it hits the ground.

Physics
Stephanie hits a volleyball from a height of 0.80m and gives it on initial velocity of 17.5m/s straight up 1. How high will the volleyball go? 2.how long will it take the ball to reach its maximum height?

math
suppose that denise had doubled the number od trays of chocolate chip and oatmeal raisin cooies she bakes.How many trays of cookies would she have baked?

PHY 171
How does a derivation differ from an experiment or theory?

Physical Science
I studied this 2 years ago in college and am no back in school. I can't remember any of this stuff and I really need to figure it out. Please Help Me!! The Latent Heat of Vaporization for water is 540. cal/g. How much heat (in calories) must be added to 10.0 g of water at ...

Math
Please explain to me how I can do this .Sarah works in an appliance store. She gets a commission in addition to her hourly pay. She earns a 4% commission for sales up to $4000 and a 7% commission for all sales in a month above $4000. Last month her sales were $5300. How much w...

Simple Math
Two eight-sided number cubes are thrown. Given that one of the cubes shows a five, what is the probability that the sum of the numbers that come up on the two cubes is six?

Simple Math
A drawer contains 8 red socks, 4 white socks, and 2 blue socks. Without looking, you draw out a sock, return it, and draw out a second sock. What is the probability that the first sock is white and the second sock is blue?

social studies
i tried that and an article did not show up

social studies
Where could I find an article about gun control?

math
divide 775 by 3

Math
yes.

Math
divide 200 by 120 to get your answer

Math
divide 200 by 120 to get your answer

Business English
it is

Algebra
you take .80and mutiply by 99, then take that answer and subtract it from 99

Algebra
$80.19

English 8R - help!
I have.

english communication
it is right

Math 8R - HELP!
yeah.you are right.

Math 8R - HELP!
gtg

Math 8R - HELP!
that is not right what grade are you in bobpursley?

Math 8R - HELP!
2x0=0 5x=-3 what is x?

Math 8R - HELP!
you take 2 times 0 to get rid of the y, then you have 5x= negative three figure out x or else you are never going to learn. Is this due tomorrow?

Math 8R - HELP!
you have it right so far

science
Where can I find an article about the flu virus?

math
sorry i meant sphere

math
cylinder

math
What is the formula for volume?

Social Studies
no!!!! about gun control!!!

Social Studies
I didn't mean specific states, Einstein

Social Studies
I meant for the US, smart one!

Social Studies
Where can I find a National News Article?

Logarithms (math)
how do you solve for x 3.4e^(2-2n)-9=-4 I don't know what is the step by step process. Help please!

Visual Basic
if u didnt figure out...you have to reduce the fraction

Visual Basic
what does IntTemp and IntRem mean? and whats wrong with my code, i dont know whats wrong with it... Code below: Dim intNum As Integer 'the numderator is read as a whole number. Dim intDenom As Integer 'the denominator is read as a whole number. Dim inttemp As Integer D...

Math 6th grade
9/4

Chemistry
Theres an airplane with a mass of 5.4g, 305. mm long, moving at 1.8m/s. Is it classic or quantum?

Chemistry
i dont understand...

Chemistry
How many grams of AgNO3 (silver nitrate) are contained in 425 mL of a .15 M solution of AgNO3?

Chemistry
how would a dilution be performed, starting with a concentration .50 M Cacl2 solution, to obtain 250ml of a .060M solution?

Chemistry
how would a dilution be performed, starting with a concentration .50 M Cacl2 solution, to obtain 250ml of a .060M solution?

chemistry
describe how you would prepare 500 mL 0.250 M ethylene glycol (MW=62.07) from concentrated 31% (w/w) solution that has a density of 1.0350 g/mL

chemistry
describe how you would prepare 500 mL 0.250 M ethylene glycol (MW=62.07) from concentrated 31% (w/w) solution that has a density of 1.0350 g/mL

PHYSICS (most is worked)
A glass ball, ball A, of mass 6.0 g moves at a velocity of 18.0 cm/s. It collides with a second ball, ball B, of mass 8.0 g, moving along the same line of velocity of 11.0 cm/s. After the collision, ball A is still moving, but with a velocity of 10.0 cm/s. Ball A's origina...

Chemistry
Using chemical equations, show how the triprotic acid H3PO4 ionizes in water. Phases, such as (l) or (aq), are optional.

Chemistry
Write the equation for the reaction associated with the Ka2 of sulfuric acid, H2SO4. Write the equation for the reaction associated with the Kb2 of carbonate, CO32–.

math
thank you

math
i meant a

math
is it F.

math
Which of the following problems can be solved using the equation x-9=15? A. Allison is 9 years younger than her sister Pam. Allison is 15 years old. What is x, Pam's age? B. David's portion of the bill is $9 more than Jaleel's portion of the bill. If Jaleel pays $9...

physics 2
A charge, q1, of +4.4 micro-coulombs and another unknown charge, q2, are surrounded by a surface. The total flux through the surface is -9.2 x 106 (N m2)/C. These charges are now placed on the x axis. q1 is placed at x = 0, and q2 is placed at x = +114.51 cm. What is the magni...

Mathh
Thank you :)

Mathh
19-(3-x) = 5x. Can u show your work please? I know how to solve questions like these but couldnt figure it out with that x after the 5 '

chemistry
if a 3.72 gram sample of nitrogen occupies a 2.50 liter container at 1.08 atm, what is the temperature in Celcius?

chemistry
a racing tire has a pressure of 148 kPa at 19 degrees Celcius. What willthe pressure be at 42 degrees Celcius, assuming the volume remains the same?

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