# Posts by jessica

Total # Posts: 3,290

**Basketball Current Event**

Do you go to Helen Bernstein? Apex? I think I know you

*February 18, 2013*

**Math**

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

*February 18, 2013*

**math**

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

*February 17, 2013*

**Math**

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

*February 16, 2013*

**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

*February 16, 2013*

**math**

simplify log squaroot of 2 base 7

*February 16, 2013*

**Algebra**

there is no solution

*February 16, 2013*

**Algebra**

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

*February 16, 2013*

**CHEM**

the equation is already balanced

*February 16, 2013*

**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

*February 15, 2013*

**math**

20 cups

*February 15, 2013*

**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...

*February 13, 2013*

**Math**

SIMPLY MULTIPLY THE 8 HOURS BY 7 DAYS WHICH GIVES 56

*February 12, 2013*

**Science**

What is the percent of fresh water and salt water?

*February 12, 2013*

**Math**

Name the vertices of the square to the right

*February 12, 2013*

**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?

*February 12, 2013*

**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)

*February 11, 2013*

**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

*February 9, 2013*

**math**

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

*February 7, 2013*

**math**

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

*February 7, 2013*

**math**

1 ten

*February 7, 2013*

**math**

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

*February 7, 2013*

**math**

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

*February 7, 2013*

**math**

thanks Ms. Sue!!!

*February 7, 2013*

**math**

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

*February 7, 2013*

**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.

*February 6, 2013*

**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?

*February 6, 2013*

**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?

*February 6, 2013*

**PHY 171**

How does a derivation differ from an experiment or theory?

*February 6, 2013*

**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 ...

*February 5, 2013*

**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 ...

*February 3, 2013*

**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?

*January 31, 2013*

**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?

*January 31, 2013*

**social studies**

i tried that and an article did not show up

*January 31, 2013*

**social studies**

Where could I find an article about gun control?

*January 31, 2013*

**math**

divide 775 by 3

*January 31, 2013*

**Math**

yes.

*January 31, 2013*

**Math**

divide 200 by 120 to get your answer

*January 31, 2013*

**Business English**

it is

*January 31, 2013*

**Algebra**

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

*January 31, 2013*

**Algebra**

$80.19

*January 31, 2013*

**English 8R - help!**

I have.

*January 31, 2013*

**english communication**

it is right

*January 31, 2013*

**Math 8R - HELP!**

yeah.you are right.

*January 31, 2013*

**Math 8R - HELP!**

gtg

*January 31, 2013*

**Math 8R - HELP!**

that is not right what grade are you in bobpursley?

*January 31, 2013*

**Math 8R - HELP!**

2x0=0 5x=-3 what is x?

*January 31, 2013*

**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?

*January 31, 2013*

**Math 8R - HELP!**

you have it right so far

*January 31, 2013*

**science**

Where can I find an article about the flu virus?

*January 31, 2013*

**math**

sorry i meant sphere

*January 31, 2013*

**math**

cylinder

*January 31, 2013*

**math**

What is the formula for volume?

*January 31, 2013*

**Social Studies**

no!!!! about gun control!!!

*January 31, 2013*

**Social Studies**

I didn't mean specific states, Einstein

*January 31, 2013*

**Social Studies**

I meant for the US, smart one!

*January 31, 2013*

**Social Studies**

Where can I find a National News Article?

*January 31, 2013*

**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!

*January 31, 2013*

**Visual Basic**

if u didn't figure out...you have to reduce the fraction

*January 31, 2013*

**Visual Basic**

what does IntTemp and IntRem mean? and whats wrong with my code, i don't 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 ...

*January 31, 2013*

**Math 6th grade**

9/4

*January 30, 2013*

**Chemistry**

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

*January 30, 2013*

**Chemistry**

i don't understand...

*January 29, 2013*

**Chemistry**

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

*January 29, 2013*

**Chemistry**

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

*January 29, 2013*

**Chemistry**

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

*January 29, 2013*

**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

*January 29, 2013*

**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

*January 29, 2013*

**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 ...

*January 28, 2013*

**Chemistry**

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

*January 27, 2013*

**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–.

*January 27, 2013*

**math**

thank you

*January 26, 2013*

**math**

i meant a

*January 26, 2013*

**math**

is it F.

*January 26, 2013*

**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...

*January 26, 2013*

**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 ...

*January 25, 2013*

**Math**

Thank you :)

*January 25, 2013*

**Math**

19-(3-x) = 5x. Can u show your work please? I know how to solve questions like these but couldn't figure it out with that x after the 5 '

*January 25, 2013*

**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?

*January 24, 2013*

**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?

*January 24, 2013*

**chemistry**

what is the mass of the precipitate formed when 45.0 milliliters of .250 M barium chloride solution reacts with 2.00 grams of copper(II) sulfae pentaydrate?

*January 24, 2013*

**chemistry**

What mass of solid magnesium hydroxide is needed to neutralixe .385 Liters of 2.5 M nitric acid?

*January 24, 2013*

**chemistry**

what volume of .025 M hydrochloric acid will neutralize 150 milliliters of .0133 M sodium hydroxide?

*January 24, 2013*

**chemistry**

what mass of water is expected when 5.80 grams of sodium carbonate reacts with excess sulfuric acid? what volume of gas is produced at STP?

*January 24, 2013*

**chemistry**

what mass of water is expected when 5.80 grams of sodium carbonate reacts with excess sulfuric acid? what volume of gas is produced at STP?

*January 24, 2013*

**floral design**

it's b. Triad just took the test

*January 24, 2013*

**Math**

What is a good reference to use when estimating the mass of a small object?

*January 23, 2013*

**Chemistry**

If u place a metal cube in beaker as a catalyst, what effect will it have on the reaction? And why?

*January 23, 2013*

**Pre algebra**

50 * 6 = 300ft

*January 22, 2013*

**Math**

An estimate of the mass of a new, unsharpened pencil is about __________. I think it's about 35 grams? Fill in the blanks. A good reference to use when estimating the mass of a small object is _____. It has a mass of about_________. Thank you!

*January 22, 2013*

**math**

Express Courier Service has found that the delivery time for packages is normally distributed with mean 14 hours and standard deviation 2 hours. What should be the guaranteed delivery time on all packages in order to be 95% sure that the package will be delivered before this ...

*January 21, 2013*

**Discrete Math**

ok that makes sense, thanks.

*January 21, 2013*

**Discrete Math**

Find z so that 5% of the area under the standard normal curve lies to the right of z. the answer according to the book is 1.645, anyone got any ideas on how to get this?

*January 21, 2013*

**Science**

How do you create a bar graph for science?

*January 21, 2013*

**physics 2**

Three charges are placed on the y axis. One charge of -3.2 micro-Coulombs is placed at y = 0, another charge of +2.6 micro-Coulombs is placed at y = -0.29 meters, and another unknown charge is placed at y = +0.51 meters. The total force on the charge at y = 0 due to the other ...

*January 18, 2013*

**physics 2**

Two identical positive charges are placed 15 cm apart and the magnitude of the electric force between them is 5.4 Newtons. They then exchange charge (one charge loses some electrons and the other gains the same amount of electrons), but they both still remain positive. After ...

*January 18, 2013*

**physics 2**

A charge of -6.8 micro-Coulombs is placed at x = 0, y = 0. A charge of -18.5 micro-Coulombs is placed at x = 0, y = +37 cm. Another charge of -12.9 micro-Coulombs is placed at x = +17 cm, y = 0 cm. What is the angle the total electric force on the charge at x = +17 cm, y = 0 ...

*January 18, 2013*

**algebra**

the ratio of two integers is 9:7 their sum is 1024 fint the two integers?

*January 17, 2013*

**AP Calculus**

Oil leaks out from a damaged oil tanker and forms a circle around the tanker. If the radius of the circle of oil is increasing at 25m/min, find the rate of change of the area when the radius is 20km

*January 15, 2013*

**History, social studies :)**

The mughal empire gave trading rights to several EUropean countries, what assumptions about the power of those countries does this show ??

*January 14, 2013*