Monday
July 28, 2014

Posts by Jessica


Total # Posts: 2,604

Maths-Algebra.
z - 4 = 11 __ 4 z= z=

math
The number 4 is in the hundredths place in the decimal 0.045. The first number after the decimal is the tenths place (0), the second number after the decimal is the hundredths place (4), and the third number after the decimal is the thousandths place (5). Is that what the prob...

writting
d no correction necessary

writting
is that the correct answer?

writting
i choose b

writting
unless you are luckier than most,hundreds of other people will also have discovered your natural paradise. a)replace you with one b)change than to then c)change discovered to been discovered d)no correction neccesary

writting
i think the answer is e

writting
what correction should be made? some just look forward to the perspect of watching birds and animals,such as rabbits or deer,in thier natural habitats. a)change look forward to looks forward b)change the spelling of perspect to prospect c)insert a comma after such as d)change ...

writting skills
what correction should be made to this sentence? one of the lifelong memories many of us share are the moment we obtained a driver's license? a)change the spelling of memoreis to memorys b)inset a comma after memories c)change are to is d)change driver's to drivers e)n...

9th grade
To build dams to regulate the flow of the rivers to pervent flooding

quadratic solutions
Find the solutions to each quadratic by factoring x^2+3x-18=0 3x^2-9x=o x^2-10x+21=0 5x^2+30x+45=0

Maths
Max works 7 hours per day monday to friday and 3 hours per day in the weekend. He does this for 48 weeks of the year. How many hours does he work in total for the year?

URGENT DUE TOMORROW! PLEASE! MATHS HOMEWORK.
So do you go ; 42x12?

URGENT DUE TOMORROW! PLEASE! MATHS HOMEWORK.
Each carriage of a train has 45 people which includes 3 stewards and 1 guard. The train has 12 carriages. How many passengers are on the train?

Maths
A diving bell is lowered to a depth of -124 metres, i.e 124 metres below sea level. If it rises 38 metres and then drops a further 65 metres from this point what is its new depth?

Maths
A school has eleven Year 9 Maths classes of 27 students. Each class has 4 extra students added to it. Find the total number of students studying Year 9 Maths.

Maths
Thank you, it really helped. :D

Maths
On a saturda morning there are 13 games of rugby being played at a park. each game includes 30 players, 1 referee and 2 line unpires. If 700 people were at the park how many are players or offials?

Maths
Max works 7 hours per day Monday to friday and 3 hours per day in the weekend. He does this for 48 weeks of the year. How many hours does he work in total for the year? Write the expression and answer.

Geography
Was Atlantic Canada the periphery or the core?

math
solve this system by matrices 2x+3y-z=-8 x-y-z=-2 -4x+3y+z=6

math
solve system by matrices 2x+3y-z=-8 x-y-z=-2 -4x+3y+z=6

transformation
what is the image of (1,-6) for a 90 degree counterclockwise rotation about the origin? i guess it is (-1.6) is it?

Algebra
)(x-3) = 0

spelling
river

spanish
if i was saying we entered the house, would it be entramos la casa or entramonos la casa

Chemistry
I think it's somewhere between 0.56 mL and 0.62 mL, hope that helps!

math
thanks damon, chopsticks and ms. sue. you helped me alot!

math
what if i wanted to graph the equation? how would i do that?

math
how do u solve x+3=0? its very confusing.

math
thanks!!!!!!!!!!!!

math
use the strategy for evaluating a^-m/n EVALUATE: 25^-3/2 I'm not for sure what the strategy for evaluating a^-m/n is. Can anyone help?!

History
Why does Africa seem to lag behind when other countries are successful

4TH GRADE URGENT LATE MATH HOMEWORK!!!!
thank you thannnnnnnnnnnnnnnnnnnnnnnnnnnnnnn

Technolgy
Why Do we reyscle solder?and not throw it away

algebra I
can you explain this in more depth for me, please?

algebra I
Divide 56 into two parts such that 3/8 of the greater exceeds 1/4 of the smaller by 6.

algebra 1
2x-y=1 y=-3

science
What is any one-celled oganism lacking a nucleus called?

2nd grade Math
Guess my rule with 2 rules. Rule 1:White Diamond,White Square, White Trapezoid Rule 2: Grey Pentagon,Grey Oval, Grey Triangle Fits both rules: Grey Rhombus, Grey Rectangle 1. Guess Rule A: Has 4 sides and 4 corners 2. Guess Rule B: ?? 3. What shape fits both rules? 4. What sha...

nutrition
A fatty acid that contains a chain of 10 carbons and one double bond is termed a: a)monounsaturated,medium chain fatty acid. b)saturated,medium chain fatty acid. c)monounsaturated,long chain fatty acid. d)saturated,long chain fatty acid.

math
solve inequality. write the solution set in interval notation 7x+6 greater than or equal to -(x-6)

math
Is it possible to mix a 10% sugar solution with a 20% sugar solution to get a 30% sugar solution?

math
A nurse wants to add water to 30 ounces of a 10% solution of benzalkonium chloride to dilute it to an 8% soultion. How much water nust she add?(hint water is 0% benzalkonium chloride)

math
A cyclist leaves his training base for a morning workout, riding at the rate of 18mph. one hour later his support staff leaves the base in a car going 45mph in the same direction. How long will it take the support staff to catch up with the cyclist?

math
A prfessor wants to supplement her pension with investment interst. If she invest $28,000 at 6%, how much more would she have to invest at 7% to achieve a goal of %3,500 per year in supplemental income?

math
with summer appraching,t he number of air conditioners sold is expected to be double hat of stoves and refrigerators combined. stove sell for $350, refrigerators for $450, and air conditoners for $500, and sales of $56,000 are expected. If stoves and refrigerators sell in equa...

math
21(b-1)+3=3(7b-6)what does B equal?

math
5(x+2)=5x-2. what does X equal?

math
3/2(T+2)+ 1/6(T+2)=2+T what does T equal?

math
3(c-2)over 2 = 2(2c+3)over 5. what does c equal?

Chemistry
You want to make 1000 ml of an 0.1 M HA buffer so that the pH=pKa of HA. To make this buffer you need to add ____ HA and ____ mL of 1M NaOH and then add enough water to give 1000 mL. HA is a weak acid.

economics
what is the efffect of monetary policy in setting macroeconomic policy

math
16 and 5/7 - ? = 10 I got 5 and 5/7 but that was wrong can you please help!

crt 205
Hello, I really need help with this subject, I've been trying the eight weeks hard in this subject but I still get 64 in my score the only thinbg I have for my me to put my grades up is my final project but I have no clue, I do not understand, any Ideas?

Reimbursement methodologies
how to calculate DRG reimbursement and it said: 1. Find the group code that applies to the specific medical treatment provided using the DRG coding table. 2. Match the group code with the appropriate weight on the weight table. 3. Multiply the DRG weight by the Standard Base R...

math
find the unit rate. round to the nearest hundredth, if necessary. type 8,580 words in 2 hours 45 minutes

Math
2s + s -- --- s^2 s-1 Add & Simplify

math
could you tell me how to do the following problem 3 - 8 ______ 24 3/8 over 24

Physics
what can have a varying velocity and varying speed

Phy
what can have a varying velocity and varying speed

Chemistry
Describe how you can show that a chemical reaction adhers to the law of conservation of mass. Chemical reaction: magnesium hydroxide added to phosphoric acid produces magnesium phosphate and water. Find the mass percentage of each compound as well as the total mass of reactant...

history
I need several reasons why Cuba failed as a political democracy-also, why has the Cuban Revolution failed to make Cuba economically prosperous. This is for an essay

algebra
Get it into y=mx+b form(slope-intercept form)

math
I did that and I got 901.35 for both. So is my answer of 6009 correct?

math
If 15 percent of n is 45 percent of 2003, what is the value of n? I think the answer to this is n=6009. Is this right?

History
I need help finding information on the flapper girls in the 1920s.

algebra
Thank you very much

algebra
having a hard time with a couple of problems please help (3x+5)^2+8=0 also 6-9=12 divided by y+5 y-5 y^2-25

college
What is the fallacies in this statement. Letter to the editor: “Andrea Keene’s selective morality is once again showing through in her July 15 letter. This time she expresses her abhorrence of abortion. But how we see only what we choose to see! I wonder if any of th...

help plzzz
ALGEBRA PIZZAZZ: IN MUSIC, WHAT DOES "ALLEGRO" MEAN?

science
To describe the differences between types of light like visible and x-ray, scientists often talk about the length of the light's waves or "wavelength." The various types of light that make up the electromagnetic spectrum differ in the length of their waves. Howev...

algebra1
THANK YOU!!!!!!

algebra1
how do you turn 6x+y=4 into slope intercept form? PLEASE HELP!!!!!!!!

geography
go to google and type in maps of mexico

8th advanced math
how do you turn 3y=-2x+6 into slope intercept form?

algebra1
how do you turn 2y=x-1 into slope intercept form?

math
what is a proportion? (in math)

Home Economics
4,7,9,14,17,19,20 are wrong. i took the test and got a 65%

English
yes she is totolly right you can say my mom went to the store me and her went to the store together i wnt to the movies (is correct) me went to the movies(doesnt make sence)

Math
For all x>0 and y>0, the radical expression (fraction: let me try to spell it out) square root of X on top of fraction, denominator is 3 Square root of X minus the square root of Y is equivalent to:

geometry
1)given-AB=CD,CD=EF prove-AB-EF (in 5 steps that show why it is corect; i.e two-column proof) 2)Given-<2=<3, <4=<5 prove-<1 is supplementay to <6 (in 3 steps, with the two column proof) TWO-COLUMN PROOF LOOKS LIKE THIS.... STATEMENT: REASON: 1.AB=CD,CD=EF 1.G...

geometry
A farmer plants pine trees. If he plants 5 rows of 4 trees How is it possible for him to have only planted 10 trees ? Draw a diagram

biology
I need a list of diseases, disorders and items that we injest or inhale that affect the nucleus of a cell

Spanish
how do you say peoples names in spanish

Chemistry
I mean how it effects the acid-dissociation constant(Ka). How does water effect the Ka value of a weak acid?

Chemistry
How does H2O effect NaH2PO4 during an acid titration?

Physics
A ball is dropped from 27.0 ft above the ground. Using energy considerations only, what is the velocity of the ball just as it hits the ground? If the ball is thrown back up to a ledge 15 m above the ground, what would be the velocity just as it reaches the ledge?

Chemistry
A ball is dropped from 27.0 ft above the ground. Using energy considerations only, what is the velocity of the ball just as it hits the ground? If the ball is thrown back up to a ledge 15 m above the ground, what would be the velocity just as it reaches the ledge?

Chemisty
okay is this correct I took 250.0 * 5.5 = 1375 1375+2156=3531kcal

Chemisty
I know.. I am just making sure I am on the right track.. I am going to try and finish it now.. do you mind if I send you my answer and you tell me how I did?

Chemisty
Tell me if this is right For the first step this is what I am doing m=250.0kg c=0.028kcal deltaT- 328-20?? Is this correct this gives me 2156 Am I on the right track for the first step?

Chemisty
LEAD IS A SOFT, DENSE METAL WITH A SPECIFIC HEAT OF 0.028KCAL/KGC, A MELTING POINT OF 328.0C, AND A HEAT FUSION OF5.5KCAL/KG. HOW MUCH HEAT MUST BE PROVIDED TO MELT A 250.0KG SAMPLE OF LEAD WITH A TEMPERATURE OF 20.0C?

gen105
I need hel for both classes on my las assignmet I need to create a student survival guide for gen 105. this is the assignment: Compile a 1,000- to 1,250-word survival guide that will serve as a resource for you throughout your program. Using what you have learned in class, dev...

History
What are some pieces of information for WW1, for Russia in Modern warfare and Trench warfare?

Chemistry
A) 6.63*10-34/1.675*10-27*0.01*3.00*10^8 =1.32*10^-13m

health
i am supposed to write three major stress in my life and how i contribute to these stressors... iknow it kinda easy but i don't know what my stresses are? i can't even figure out if i am ever stressed? Please help

Science
Why is a cooling sysyem necessary in a nuclear reactor?

creating resumes
how to create a resume it is for a homework

chemistry
A mole of reacts at a constant pressure of 43.0atm via the reaction Before the reaction, the volume of the gaseous mixture was 5.00L . After the reaction, the volume was 2.00L . Calculate the value of the total energy change, , in kilojoules.

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