# Posts by Valerie

Total # Posts: 275

**Math**

thank you

**Math**

Complete the following task in your discussion group: Create two different situations: one in which you use combinations and one in which you use permutations. Include specific details and an explanation about what makes each situation either a combination or permutation. Can ...

**Chemistry 212**

I ended up mixing two questions which is my fault. It should have read: The isotope californium-252 has a half life of 2.64 years. How many years would it take for 94.1% of the original material to decay? I got the percentage and days mixed up. It should have been years not ...

**Chemistry 212**

The isotope californium-252 has a half life of 162 days. How many days would it take for 61.7% of the original material to decay? I am using the equation t= (ln(nt/no))/ k and I am first solving for K using: k=(.693/t1/2) the suppose answer can range from (10.7-10.9) but Im ...

**Chemistry 212**

Thank you!!!

**Chemistry 212**

The isotope sodium-22 has a half life of 2.60 years. What is the 1st order rate constant in inverse years? I am using the Ln (A/A0) = -Kt formula. Is that correct?

**Science**

1.What challenges does [your topic] pose to biodiversity? 2.What do you think should be done and why? Can someone help me plz!! i have to write a discussion.

**Science**

well lets just say that i don't understand it

**Science**

can you answer the question or something

**Science**

Discuss your opinion of the consequences of artificial selection and the advantages and disadvantages of using genetic information in society. Use facts from your research to support your opinion. Cite the sources for your facts. Also, discuss your answer to the Apply the Big ...

**Math**

jason weighs 36 pounds together he and his sister weigh four ponuds more than three times the weight of his sister what is the weight w of jason's sister? 36+ w= 3; 18 pounds 36+ w- =3w; 19 pounds 36+ w= 3w+4; 16 pounds 36+ w= 3w -4; 20 pounds

**help with trigonometry??**

Jacob is standing 112 m from a building. The angle of elevation when he looks up to the top of the building is 62°. How tall is the building? I don't really understand how to solve this, please help!!

**Math**

45 Over 180 *360

**Geometry**

In abc, if ab =11 cm and bc =13 cm, what is the possible range of values for ac?

**Math**

Carlita saw 5 times as many robins as cardinals while bird watching. She saw a total of 24 birds. How many robins did she see than cardinals?

**Science Ms. sue help**

oh ok thank u

**Science Ms. sue help**

what is the function of a cell wall A) to Protect and support the cell B) to preform different functions in each cell C) to prevent water from passing through the cell D) to prevent oxygen from entering the cell. Help!!!!

**Math**

when adding /25 and -9 which type of number is the sum? Plz help me

**Math Ms. Sue help me**

Thank you Ms. Sue

**Math Ms. Sue help me**

What does it mean to say that a number is a perfect square? Give one example of a number that is a perfect square and one that is not. Can you plz help me?

**Social Studies**

oh ok thank you

**Social Studies**

Wait there's to many links which one do i read?

**Social Studies**

Ok Ok Ok

**Social Studies**

Throughout the 1900s, many countries in Africa and Asia gained independence from European colonial powers. India is one of these countries, having gained their independence from Britain in 1947. Why did people in India want independence? In what ways was India's ...

**Math**

How can knowing associative property help you compute 2x8x2 mentally

**Math**

15+37

**sign language**

um nowhere i would have to answer the question myself but i need help

**sign language**

no they didn't give me a text book for this

**sign language**

can someone help me with sign language please!! 1)_____ of the American Manual Alphabet hand-shapes are formed to resemble the letter they represent A)All B)some C)None 2)what are two main parts of forming signs? A) forming words with your lips and changing your body posture B...

**Science**

Thx Ms. Sue for the link i kinda understand it now

**Science**

what steps are important in the process of creating a scientific theory A) Hypothesizing,observing,and testing. B) Creating a prototype and trouble-shooting. C) Analyzing,Offering an opinion, and evaluating D) Trouble-shooting,hypothesizing,and evaluating. Help Me!! please

**Math**

omg thank you so much I've been waiting a 1 to do this problem thank you !!!!

**Math**

Explain the difference in meaning between |-3| and -3. Plzz Help me on this!

**Math hellppp!!**

Yay Thxxx!!

**Math hellppp!!**

how do you simplify this expression -12/3*(-8+(-4)^2-6)+2 Plzzz Help plzz!!

**math**

thx

**math**

What is the solution to r/-3=12?

**Math**

Thank you Ms. Sue

**Math**

What is the solution to 5q=-75? Please Help

**Algebra**

Welcome :D

**Algebra**

x = 16/3 = 5.333 here's the answer

**Social Studies**

yes i got 15/15 in my test and the answer was c so thx but i already did it :)

**Social Studies**

What is one change Mansa Musa brought to Mali? A) He sent all of the scholars out of the empire. B) He brought Christianity to the empire. C) He made Islam the empire's official religion. D) He gave the provinces their independence Plzzz!!!! Help Me Plzzzz

**Math**

BD bisects <ABC. Find m<ABD and m<ABC when BDC= 28

**math**

Find the center, vertices, and foci of the ellipse with equation 3x^2 + 8y^2 = 24.

**Language Arts Help!!**

Oh, well, is it c then?

**Language Arts Help!!**

10 MS. SMITH: {glossing over his misbehavior and adopting a serious tone as she hands Jason a piece of paper} Yes, ok. So, tell me your plan for the project. Have you consulted this project list yet? You really need to quit putting this off. You're the only one without ...

**Reading Help!!**

Are there any books that are about greedy people that change? Other than Christmas Carol because I'm trying to write a compare and contrast paragraph.

**Math Help!!**

You roll a standard cube once. Find P(0) a) 7/6 b) 1 c) 1/2 d) 0

**Reading**

Besides that book. I want something like it.

**Reading**

What are some books that are about greedy people who change for the better?

**Math**

Shelly is working 250 math problems and she wants to finish in 6 days. If she works the same number of problems each day for 5 days how many problems will she have left to work on day 6?

**Statistics**

what grade are you in sara

**langauge arts**

Ms.Sue i think your not a teacher and what do you mean that you unbanned Samantha. sometimes people need help don't you know that? oh and i think the answer are D and B if my answer are wrong sorry about that :D

**language arts**

1.A 2.C 3.B 4.D 5.C i just took the test and i got them right i just needed help on one cuz i was stuck in number 2 C:

**language arts**

i don't get it?

**HELP ME HEALTH 3 QUESTIONS**

thx amber i got them all right thx again

**College Algebra**

Deer Valley determined that the cost of these apples was 64 cents per pound. 1. What would be the selling price per pound for the prepackaged apples using a 30% markup based on cost? A 40% markup? A 50% markup? 2. Based on the national average for apples sold on a retail basis...

**Science**

Wow thank u so much Diana

**civics**

Sarah supports ratifying a new Cybercrime society. She would like to write a letter expressing her support. Where would she send her letter? A)to a Supreme Court justice B)to her district representative C)to her senators D)to the president

**science**

Why do earthquakes occur along the San Andreas Fault

**math**

5 3/8cups=? fl oz

**math**

can someone help me with this equation? -3 5/9-1 3/9

**math**

An advertisement for a steel-belted radial tire states that this tire delivers 16% better gas mileage. If the present gas mileage is 24.5 mpg, what mileage would you expect if you purchased these tires? Round your answer to the nearest tenth of a mile per gallon. 26.5/X = 12/...

**Algebra**

absolute value of 2x+15 less than or equal to -1 2x+15<-1 -15<-15 2x less than or equal to -16 x = -8

**Grade 11 math**

What is the slope of a driveway that rises 1.1 metres over a length of 10.9 metres

**Math**

Ok thank you @ally

**Math**

Solve for x 9x+5=0

**English**

What is an homograph.

**Math**

During a track meet Kelly throws the shotput 51 feet, 50 feet,and 58 feet. Write an expression that represents the length of her average throw in feet. Evaluate the expression.

**Math**

tangent

**math**

2.4 ft

**math**

I hate this

**Social Studies**

1) Which Geographic Feature most enabled people to cross the himalayas and other northern Mountains to settle the Indian Subcontinent? A) Rivers such as the ganges B)Gorges such as the khyber pass C)Lower mountains such as the Indian Subcontinet. D)Low lands such as thar ...

**present value**

An investment pays you $20,000 at the end of this year, and $10,000 at the end of each of the four following years. What is the present value (PV) of this investment, given that the interest rate is 4% per year?

**Business**

Well you should add some fish in the background and it will look nice or just take some time to think and go the the beach and take some pictures!! Valerie!!

**Acrostic Poem Science!!**

Thanks Ms. Sue!!

**Acrostic Poem Science!!**

Sodium!! S- O- D- I- U- M-

**Physics**

There is an 8 meter tall hill with a circular radius of 20 meters. What is yhe minimum speed a car needs to momentarily lose contact with the road?

**Social Studies**

Um Women Politicians? @WriteAcher

**Social Studies**

10.Which Piece Of Evidence Supports a Loosening of Islamic Tradition In saudi Arabia? A)The Hijab B) Five Pillars C)Women Politicians D)Prayer Outside The home I Say B) Five pillars

**English check**

thx enderman

**ELEMEMTARY MATH**

WHAT iS THE SQUARE ROOT OF 12 MY ANSWER IS 2, AM I CORRECT?

**liberal arts**

A turtle is at the bottom of a 13 foot well. Each day it crawls up 5 feet, but each night it slips back 3 feet. After how many days will the turtle reach the top of the well?

**accounting**

Swan Creek Company has 40,000 shares of cumulative preferred 2% stock, $60 par and 50,000 shares of $50 par common stock. The following amounts were distributed as dividends:year 1 30000 my answer was 18000 common stock

**Physics**

A small fish is dropped by a pelican that is rising steadily at 0.44 m/s. After 2.6 s, what is the velocity of the fish? The acceleration of gravity is 9.81 m/s^2 Answer in units of m/s & How far below the pelican is the fish after the 2.6 s? Answer in units of m

**Test and Measurements**

You are interested in seeing if a new test will help to determine who will be successful in a training program. The current rate of success is 70% for 200 students. When the new test is implemented, the rate increases to 85% for the 50 students who pass the test and are ...

**English**

I think that 3 is a pretty good one since that't what your writing about . The expectations being harmful .

**Math**

Two sides of a triangle measure 7 cm and 15 cm . Which of the following could not be the length of the third side ? A. 5 cm B. 9 cm C. 15 cm D. 22 cm I'm confused because at first I tried Pythagorean thereom and it didn't really work .

**physcial science**

Jennifer, who has a mass of 50.0 kg, is riding at 35.0 m/s in her red sports car when she must suddenly slam on the brakes to avoid hitting a deer crossing the road. She strikes the air bag that brings her body to a stop in 0.500 s. What average force does the seat belt exert ...

**physics**

Which of the following situations represents a negative displacement? (Assume positive position is measured vertically upward along a y-axis.)

**Trigonometric Function**

A Ferris wheel has a radius of 10 meters and is revolving 6 times each minute (wheel's frequency.) The wheel's center is 12 meters from the ground. If time starts on the ground, then find a sine function that shows the height from the ground for a car on the Ferris ...

**Pre cal**

Translate the graph of y=sinx to the right by pi units, and then reflect this curve about the x-axis what graph result?

**Physics**

a 5 kg crate falls from a height of 2.0 m into an industrial spring scale. When the crate comes to rest the compression of the spring is 24 cm. what is the spring constant?

**intro to comp**

Windows 7

**please check(Social studies)**

WOAH i got a 100 too thankyou

**Child Care**

Please help me, I need to make a Lesson Plan on diversity, for Pre-k, I choose a story book, of children from different parts of the world, each going to and learning in school or on the outside. The goal should show differences but also its similarities. I need a learning ...

**Science**

this is correct

**accounting**

determine how the disallowance of LIFO will impact U.S. multinational firms that report under IFRS.

**math**

Which one(s) of these twelve brands would be considered outliers, if there are indeed any at all? How extreme does something have to be considered an outlier? Brand,Strawberry,Vanilla 1,140,140 2,210,230 3,200,170 4,200,180 5,110,100 6,180,180 7,210,150 8,140,150 9,150,150 10,...