# Posts by Grace

Total # Posts: 659

Algebra
use distributive property to factor each expression:1. x^2+8x+16 2. d^2+8d+7 3. y^2+6y+8 4. b^2-2b-3 5. s^2-4s-5

Algebra
turn these factored equastions into expanded form: (n-1)(n^2-3n+4) (n^2+2)^2

math
A ratio is an expression which compares quantities relative to each other. The most common examples involve two quantities, but in theory any number of quantities can be compared. Mathematically they are represented by separating each quantity with a colon, for example the ...

social studies
cotton and foods

Math - check my answers :)
Thanks! I always second guess myself when doing the first few problems out of new lessons

Math - check my answers :)
1. Find the amplitude, if it exists, and the period of y=tan 1/4È Answer: No limits in amplitude, y=tanÈ/4 period is 4pi 2.Solve x = Arctan(-sqrt3) Work: Pythagorean theorem: sqrt(1^2+3)= sqrt4=2 in length. Triangle is 1, sqrt 3,2 Answer: -60° 3. In ...

Physics
What are the magnitude and direction of the electric field at a point midway between a -8.0 microCoulomb and a +7.0microCoulomb charge 8.0cm apart? Assume no other charges are nearby. I have been working on this problem for a few hours now and I haven't really accomplished...

physics
If the grating is not properly aligned, what are the consequences on the average angular displacement and wvelength reading? Please elaborate. How do grating constants affect the observed spectral lines?

physics
Why must the spectrometer be aligned each time a grating is replaced?

In logarithms, my problem is 2log(subscript 3)n + log (sub 3)5. I know how to add logarithms together, but what do I do with the 2 before the first log?

english lang
what word families do the following belong to woman ox goose mouse child foot thank you

Spanish
can't you do actual revision ; instead of just words. it would make it a whole lot easier, because what if we didn't need to revise on those particular words and needed RESEARCH?

biology
how is the s phase of the cell cycle measured?

Geometry
always

what does pre-algebra mean??
pre algebra is like a bunch of math that comes before algebra in middle school.

math
what are some of the factors of 776, 9279, 12408, and 173632?

English GuruBlue
Ok I took your sugguests and I followed them I was wondering I had orginally posted this Patient safety and promotion of zero medication error are common goals in every healthcare institution. One of the policies that answer the said goals is the "do not" use ...

Thanks GuruBlue

English in a jam
Please help I have so many verisons and drfats I want my paper to sound good is there asny thing in one paper is there a way to comine info from all my drafts to make on good paper thanks Draft one Patient safety and promotion of zero medication errors are common goals in ...

English revised
Here is my revised copy please take a look thanks :) Patient safety and promotion of zero medication errors are common goals in every healthcare institution. One of the policies that answers these goals is the policy made by JCAHO that was made effective on January 2004. This ...

English
Please let me know if this sounds any better I still have my old draft as well Thanks Patient safety and promotion of zero medication errors are common goals in every healthcare institution. One of the policies that answers the said goals is the policy made by JCAHO that was ...

revised paper
Please let me know if this sounds any better I still have my old draft as well Thanks Patient safety and promotion of zero medication errors are common goals in every healthcare institution. One of the policies that answers the said goals is the policy made by JCAHO that was ...

Reseach paper revised
I was wondering if my paper sounds ok or would it be better if I had more sources thanks Patient safety and promotion of zero medication error are common goals in every health-care institution. One of the policies that answer the said goals is the "do not" use ...

Reseach paper for Sra McGin
This is what I am unsure Thanks abbreviations/ acronyms = dlete the space after / Don't forget to cover everything in the prompt = quotations, etc.

Reseach paper for Sra McGin
I am not to sure what you mean

Reseach paper
I have a research paper due on Medical Terminology could you please look at it and tell me what you think ■ Provides clear answers to the assigned questions ■ Addresses the questions in complete sentences, not just simple yes or no statements ■ Supports his ...

English
funny survey sample please! with scoring and interpretation pls!

"Things fall apart" -Achebe
what did okonkwo do whenever he thought of his father's weakness and failure?

math
how is a bridge nuilt, using mathematics??

Chem
18.2

Social Studies
correct

biology
what is the importance of cell theory to the study of biology

Algebra
How do you find the coordinates of a vertex of a parabola using the quadratic equation?

Planets
Venus is hotter because it has a thick atmosphere that contains great quantities of greenhouse gases (such as carbon dioxide). The clouds trap all the heat. Mercury, however, has no true atmosphere. Hope that helps!

geometry
trapezoid

Math repost for edie
You know that the area of a square is length times width. There are two possible combinations of whole numbers: 1 x 25 and 5 x 5. A square is equal on all sides, so the both the length and the width have to be 5. To find the answer, a square has 4 sides, and 4 x 5 (or 5 + 5+ 5...

history
What were the stategies of the axis powers during WW11 used to build up their countries? Also, Why did we use the atom bomb and what were the other options?

History
The surname of the king who claimed the throne in 1066 ?

MATH
a^-1 + b^-2 / a^-2 + b^-1 The answer is ab(b^2 + a) / b(b+a^2) How do I set that up and work the problem out? thanks for the help

math algebra
A train averaged 80 km/h for the first half of its trip. How fast must it travel for the second half of the trip in order to average 96 km/h for the whole trip? The answer is 120 km/ h but how do i set it up and get there? thanks for you help

Math
please check my answer thanks :) Juan bought a home with an adjustable-rate mortgage. The margin on the loan is 2.7% and the rate cap is 7.2% over the life of the loan. If the current index rate is 4.3%, what isthe initial rate of the ARM ? A. 7% B 9.9% C 14.32% My answer is I...

counting money
what bill coins could you use to show \$8.60?

math
5th grade fractions least to greatest example: 7/12 _____3/9

Super Easy Science - SUPER SIMPLE QUEST`ION!!!!!

Algebra 1
Traingles C and D are similar. The area of triangle Cis 47.6in2. The base of triangle D is 6.72in. Each dimension of D is 6/5 the corresponding dimension of C. What is the height of D? How in the world do you this problem!! Please help BIG TEST TOMMOROW!!! :)

science
does the bubbles in coke disappear faster or does the bubbles in the sprite disppear faster?

American Government
These ?'s are true/false and the ones that are false I have to fill in the correct word. Can you check my answers? 1) The powerful but unofficial post of the "president of the Senate" involves steering floor action to a party's benefit. -- I say this is false...

Biostats
I am having problems in this course with following the professor. Can anyone help me with this problem Thanks need to calculate 99% CI for true mean with the following data: n=100, mean is 126 with sample variance of 402. I have to know the answer, theorems and interpret tne ...

social studies
Is King Tut and Tutankhamen the same person? Yes. http://www.google.com/search?q=king+tut&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7SUNA =)

Government!
If I could receive some guidance on these questions, I'd be ever so grateful. 1) How can a governor's message power affect legislation in a State? 2)What does the fact that aliens generally are not allowed to vote show about American beliefs? The governor is the most ...

chemistry
If a solution has a lot of particles, is it going to have a low or high boiling point? For instance, would NaCl have a higher or lower boiling point than C12H22O11, based on the amount of particles it has (NaCl has more than C12H22O11)? Are you thinking of solutions with ...

spelling
i need to write 3 paragraphs wat should rita about how did i grown since september to this day can i have like opinion what is a negative in a sentence could it be "not"??? Thank you for using the Jiskha Homework Help Forum. Here are some negative words for you: no, ...

climate graphs
i is bored :-P

Red scare
what are the questions that people are asking about the red scare? What period of history are you talking about? The term "red scare" applies mainly to the cold war era, and ended about 1990. It reached its height between the Korean and Vietnam wars. Both wars were ...

Ap Chemistry
A 3.0 molal solution of naphthalene in cyclohexane boils at 89.4 C. What is the boiling point of pure cyclohexane? Although solid naphthalene is slightly volatire, assume its volatility is zero in this calculation. The constant kb for cyclohexane is +2.80 Km^-1. can someone ...

science

acids and alkalis
omg this is so hard my homework has got to be in on tuesday and im stuck because i have got to do a poster about acid!!!!!!!!!

sociology
OH my word this is a great thread!!! Thank you all for letting me know that I am not the only one that hate this class and it only been 2 weeks LOL I am going to reread page 34, 38 39 to see what i miss thanks all well after reading further on I read this on page 47 The Social...

sociology
OH my word this is a great thread!!! Thank you all for letting me know that I am not the only one that hate this class and it only been 2 weeks LOL I am going to reread page 34, 38 39 to see what i miss thanks all

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