Monday

February 20, 2017
Total # Posts: 1,287

**Math**

How many different sums of money can U make with 4 pennies, two nickels and six quarters

*March 20, 2016*

**Math**

Find the middle term in the expansion of (2x+3y)^12

*March 19, 2016*

**Prob**

A game is played using three 6-sided dice. You throw these dice one time and if the dice all show the same number ( triples), you win $ 40.00 . For this game to be “fair”, how much should a person pay to play this game ?

*March 19, 2016*

**Math**

In the expansion of (ax +by)^8, the first three terms are 256x^8, 6144x^7y and 64512x^6y^2. Find the values of a and b

*March 18, 2016*

**Math**

A new theme park will have five roller coasters, six water rides and eight suspension rides. How many different combinations of rides could you try at this park.

*March 18, 2016*

**Data management check**

A fabric store has 44 bolts of fabric on its clearance table. Of these bolts 28 are broadcloth, 17 floral prints, 22 have a blue background, 12 floral prints on broadcloth, 10 arare broadcloth with a blue background, and 5 are floral prints with blue background. If all but 2 ...

*March 18, 2016*

**Data Management check**

A fabric store has 44 bolts of fabric on its clearance table. Of these bolts 28 are broadcloth, 17 floral prints, 22 have a blue background, 12 floral prints on broadcloth, 10 arare broadcloth with a blue background, and 5 are floral prints with blue background. If all but 2 ...

*March 16, 2016*

**Data Management**

You are thinking of using some leftover ceramic tiles to make a decorative border for a patio. You have ten blue, four gold, and six white tiles. In how many ways can you make the border if it requires 15 tiles and you use only blue and white ones? Explain your reasoning. i ...

*March 16, 2016*

**Data Management (need help)**

Suppose that the SJCS and Mary Ward are in the basketball final. In this best-of-three series, the winner is the first team to win two games. There are 60% chances SJCS TEAM will win first game. If SJCS wins, there are a 70% chance of winning next game and if they lose there ...

*March 9, 2016*

**Math**

From the top of an 8m house the angle of elevation to the top of the schools flagpole across the street is 9 degrees The angle of depression is 42degrees to the bottom of the pole How tall is the flagpole

*March 8, 2016*

**Chemistry**

If you make a solution in the laboratory that contains 0.1 M acetic acid (CH3COOH), what concentration of hydronium will you have once the solution equilibrates?

*February 29, 2016*

**Chemistry**

If you make a solution in the laboratory that contains 0.1 M hydrochloric acid, what concentration of hydronium will you have?

*February 29, 2016*

**Chemistry**

What is the strongest intermolecular force present in each molecule: H2S CF4 NH3 CS2 PCL3 N CH2O C2H6 CH3OH BH3 My work: Hydrogen bonding London dispersion Dipole dipole London dispersion Dipole dipole London dispersion Hydrogen bonding Hydrogen bonding Hydrogen bonding Am I ...

*February 28, 2016*

**English**

Identify the sentence with the correct end punctuation. 1.did you see the elephants 2.I saw a baby kangaroo 3.who found the way to the penguins 4.I miss the monkeys

*February 28, 2016*

**history**

What were arguments for maintaining the slave trade and slavery in general during the Constitutional Debates on Slavery? How did the delegates from Georgia and South Carolina in particular impact the debate?

*February 27, 2016*

**Math**

At a school of 1400 students, 800 are currently enrolled in English, 740 are enrolled in mathematics and 325 are enrolled in both subjects. How many students are enrolled neither English nor Mathematics? I got 650 is this right?

*February 23, 2016*

**Math**

A game show has three doors labelled A,B, and C behind which there may or may not be a prize. A group of contestants are asked behind which doors they think there is a prize. The results are that 18 people choose A, 19 people choose B, 19 people choose C, 4 people choose A and...

*February 23, 2016*

**Social Studies**

@Ms. Sue

*February 9, 2016*

**Social Studies**

Answer the following about the great wall of china: a.When, where, and why did it develop? b.How was it used or practiced? c. Whom did it affect? d.What was the lasting impact this innovation had on China and its people? e.What are some modern examples of the concept or product?

*February 9, 2016*

**math**

How would i solve for n nP5 = 14(nP4)

*February 7, 2016*

**math**

Solve the equation for n n!/(n-2)! = 90 I get n= 10 but when i plug 10 back into the equation i don't get 90 to check... My work: n!/(n-2)! =90 n(n-1)(n-2)/(n-2)! =90 i cancelled the n-2 and expanded the n(n-1) n^2 -1n -90 =0 (n-10)(n+9) = 0

*February 7, 2016*

**Math**

An explicit solution of a differential equation is: a) a simpler equation b) a real number c) a function on some domain d) an approximation e) a linear relation

*February 2, 2016*

**Data Management**

Simplify x^2 - xy + 2x/2x

*February 1, 2016*

**Physics**

a spring extends by 10 cm when a mass of 100g is attached to it. what is the spring constant?

*January 27, 2016*

**math**

The ratio of four less than a number to twenty six more than the number is 1:3 . what is the number?

*January 24, 2016*

**Operations**

Its McDonald's

*January 23, 2016*

**Operations**

We are talking for example McDonald's how does their work force reflect their global strategy?

*January 23, 2016*

**Operations**

Could someone what do they mean by this question please.How does their work force reflect their global strategy?

*January 23, 2016*

**Math connexues**

what are your answers? i cant check them with out seeing what you choose

*January 22, 2016*

**algebra**

the sum of two numbers is 6 more than three times the smaller and and their sum is 66. what are the numbers?

*January 22, 2016*

**Science**

Actually, -_- , number 8, is b. thank a lot that's what i got first but i thought u were right. Check your answers!!

*January 21, 2016*

**global studies**

this is a 20 question project and i could really use a lot of help :)

*January 21, 2016*

**global studies**

some polynewian islands are ring- shaped coral islands that surround a body of wate, or? a.)copra b.) coral c.)atolls d.)plates

*January 21, 2016*

**Math**

Find 5 ordered pairs that satisfy each relation. Draw each graph. 4. x+y=7 5. x+y=6 6. x-y=1 7. x-y=0 8. x+y=0 9. y-x+0

*January 10, 2016*

**Maths**

A ship is sighted from the top of a lighthouse. The angle of depression from the lighthouse to the top of the ship is 45 degrees. The distance from the top of the lighthouse directly to the ship is 4 miles. Calculate the horizontal distance of the ship from the bottom of the ...

*January 7, 2016*

**Biology**

When inserting a gene, a gene for antibiotic resistance were also added to the plasmid. Why is this done?

*January 5, 2016*

**Biology**

Explain the ramifications to the process of transcription if the following occurs: A) The termination sequence of a gene is removed

*January 1, 2016*

**Biology**

3'-GGCACTCGCATAATATTCGCCATGGCT -5' In the DNA sequence above, how do i identify the promoter region..

*December 31, 2015*

**math**

K is 9 years older than L after 7 years the total of their age is 93 so how old are they in each one of them?

*December 26, 2015*

**Biology**

What effects does epinphrine have on the excretory and endocrine systems.. i cant find any sites to help

*December 15, 2015*

**Math**

Thank you very much, happy holidays

*December 5, 2015*

**Math**

Solve simultaneously for the two equations for x and y 5x(cos 45) + 15y(cos 30) = 2,000 5x(sin45) - 15y(sin 30) = 0 I tried adding these two eqn. to elimate y and solve for x by adding [5 x cos 45] and [5 x sin 45] but the value for x is too high. Would I have to use trig ...

*December 5, 2015*

**Physics**

Search The statue of Isaac Newton is crated and moved from the Oxford Museum of Natural History and Science for cleaning same question there

*December 5, 2015*

**Physics**

Using W=mg W = (60 kg)(9.81m/s^2) = 558.6 N Weight = mass x surface gravity W (Mars) = (60 kg)(6.42x10^23)= 3.85 x 10^25 W (Saturn) = (60 kg)(5.69x10^26)= 3.41 x 10^28

*December 5, 2015*

**Social Studies**

A new coin system created by was adopted by Congress in 1785

*December 3, 2015*

**History**

so whats the answer

*November 30, 2015*

**Math**

A drug in the bloodstream has a concentration of c(t) =at/t^2 +b A= 3, b=1 Determine how long it takes for the drug to drop below 0.2 solve algaebraically Find algaebraically when c(t) less then 0.5

*November 30, 2015*

**Math**

A rectangular box with a square base of length x and height h is to have a volume of 20ft^3. The cost of the top and bottom of the box is 20 cents per square foot and the cost of the sides is 8 cents per square foot. Express the cost of the box in terms of: The variable x and ...

*November 30, 2015*

**Math**

The question also states to determine how long it takes for the medicine to drop below 0.2 how could i do this

*November 30, 2015*

**Math**

How would i approximate the highest concentration reached in the bloodstream

*November 30, 2015*

**Math**

A medicine in the bloodstream has a concentration of c(t) =at/t^2 + b where a=3 and b=1 Approximate the highest concentration of the medicine reached in the bloodstream Find algebraically when c(t) less then Sign 0.5

*November 30, 2015*

**math**

A drug in the bloodstream has a concentration of c(x) =3t/t^2 + 1 Approximate the highest concentration of the drug reached in the bloodstream Determine how long it takes for the drug to drop below 0.2. Solve algaebraically

*November 29, 2015*

**Math**

A drug in the bloodstream has a concentration of c(x) =3t/t^2 + 1 Approximate the highest concentration of the drug reached in the bloodstream Determine how long it takes for the drug to drop below 0.2. Solve algaebraically

*November 29, 2015*

**Physics**

true or false.Initial velocity is always equal to zero

*November 29, 2015*

**Math**

A drug in the bloodstream has a concentration of c(x) =3t/t^2 + 1 Approximate the highest concentration of the drug reached in the bloodstream Determine how long it takes for the drug to drop below 0.2. Solve algaebraically

*November 28, 2015*

**Biology**

How can i design an experiment to determine which wavelengths of light provide the optimal energy for photosynthesis

*November 26, 2015*

**Biology**

How do you think increasing temperature would affect the rate of photosynthesis?

*November 26, 2015*

**chemistry**

how many grams of CaCO3 will dissovle in 300ml of 0.05M Ca(NO3)2 ? Ksp of CaCO3 : 4.7x10^-9 M.W of CaCO3 100.01g/mol

*November 21, 2015*

**Math**

Thank you

*November 17, 2015*

**Math**

that is the answer that I got mixed number 1 13/30 but do you covert this to hour

*November 17, 2015*

**Math**

On Monday morning, Rosie naps for 3/5 hour. In the afternoon for 5/6 hour. How long does he sleep in all?

*November 17, 2015*

**math**

x^2 - 4 What are the: Intervals on which the graph is above the x axis Intervals on which the graph is below the x axis Intervals on which the function is increasing Intervals on which the function is increasing Im not sure how to write these intervals.. so then i can do the ...

*November 15, 2015*

**math**

Explain why the graphs of f(x) =x and g(x) =1/x are in the same quadrants over the same intervals. Does this relationship hold for m(x) = -x and n(x) = -1/x? Does this relationship hold for any function and its reciprocal function.

*November 13, 2015*

**biology**

How can i get air in a bag, into a beaker of solution?

*November 5, 2015*

**Social Studies**

I also need Greek Contributions too

*October 28, 2015*

**Social Studies**

Describe the Greek and Roman contributions to today's world.

*October 28, 2015*

**math**

a. Find the Z score z score = (X value - the mean)/ Standard Deviation (90,000 - 85,900)/11,000 = .372 Then find the probability of the Z score happening P(Z > .372) Note: Find the probability using a TI- 83/84 calculator. Keys: 2nd, Vars, Normalcdf (Lower:.372 Upper: 10,...

*October 26, 2015*

**English**

I want what if the story is 5 pages long how do you write the essay

*October 26, 2015*

**Philosophy**

Can someone help me understand this Aristotle quote from Book 2 of Nicomachean Ethics: Virtue, then, is a state of character concerned with choice, lying in a mean, i.e. the mean relative to us, this being determined by a rational principle, and by that principle by which the ...

*October 16, 2015*

**Biology**

The function of diastase and how it is affected by temperature. I got the function.. but i don't know how temperature affects diastase

*October 8, 2015*

**MATH**

on a map of Florida the distance between town A and town B is 2.6 cm if 2 cm=120 miles how many miles apart are the 2 town

*October 2, 2015*

**math**

The price of a small cabin is $45 comma 00045,000. The bank requires a 5% down payment. The buyer is offered two mortgage options: 20-year fixed at 6.56.5% or 30-year fixed at 6.56.5%. Calculate the amount of interest paid for each ...

*September 25, 2015*

**Physics**

On the question that someone posted.....I asked my teacher on what formula I should use and said I should use this one: V^2= Vo^2+2ax (V^2 is the velocit, Vo is the initial velocity, a is accerlation and x distance . An automobile is traveling at 30 km/hr. It accelerates at 3...

*September 13, 2015*

**Math**

f(0) = -2sin(4(0+45))-1 *the zeros is the symbol theta* Find the Amplitude,Period, Phase Shift and Vertical shift

*September 9, 2015*

**Math**

Given y=2x^2-10x. Find all real values of x for which y=-3

*September 8, 2015*

**physics**

a 0.8kg ball is kicked with the speed 20m/s at an 50 to the horizontal.calculate the kinetic energy of the ball at maximum height. m=0.8kg v=20m/s h=?

*August 17, 2015*

**physics**

1) a wire of length 1m has a resistance of 2 ohm.obtain the resistance if specific resistance is double,diameter is double and the length is made three times of the first.

*August 11, 2015*

**Calculus**

Find the area bounded by the y-axis and x = 4-y^2/3

*August 4, 2015*

**Physics**

In what position will a converging lens of local length 10 cm from an image of luminous object on a screen located 50 cm from the object.

*August 4, 2015*

**Literature**

the answer is C destiny as amistif

*August 2, 2015*

**French - SraJMcGin**

Oh ok...

*July 27, 2015*

**French - SraJMcGin**

If my paragraph is correct « Une affaire terriblement seule de la vie. Vous entrez dans seul le monde et vous sortez seul du monde pourtant il semble à moi que vous êtes plus seul tout en vivant que jamais allant et venant » – Emily Carr In le ...

*July 27, 2015*

**French - SraJMcGin**

It is only half of my paragraph, because it is long to send

*July 25, 2015*

**French - SraJMcGin**

Le thème de l'isolement est présenté de plusieurs manières, particulièrement par les actions de Meursault. Meursault montre le signe de l'isolement est par son placement dans la société. Nous pouvons voir qu'il se s&...

*July 25, 2015*

**French - SraJMcGin**

Can i post my paragraph for Ms.Sra to check if correct.. if possible

*July 25, 2015*

**French - SraJMcGin**

Laissez votre opinion de la photo en repondant à 7 de ses questions (en completant les phrases) en utilisant le subjonctif ou l'indicatif (il faut choisir, etc - Utilisez le subjonctivator). Puis, il y a 2 questions il faut faire après avoir lu l'opinion ...

*July 24, 2015*

**French - SraJMcGin**

Its ok, i figured it out. Its actually using french texting language. Thank you though.

*July 24, 2015*

**French - SraJMcGin**

Faites un petit et simple dialogue (2 personnages et 3 lignes chacun) en utilisant le langage des textos français. I don't understand what my teacher is asking. I understand that he wants us to write a simple conversation with 2 characters and 3 lines each.. but ...

*July 24, 2015*

**French - SraJMcGin**

Thank you very much Mme Sra i really appreciate it

*July 23, 2015*

**French - SraJMcGin**

Is this a correct conversation using peut-etre and peut etre que? Quand arriverez-vous à la partie demain ? Peut-être cela vers 18h00 le soir Vous savez que la partie commence vers 17h00, peut-être que vous devriez essayer de venir plus tôt Nous vivons...

*July 23, 2015*

**French - SraJMcGin**

Ecrivez 5 phrases qui montrent clairement la difference entre peut-etre et Peut-etre que. Je ne veux pas une explication, mais une petite conversation imaginaire qui utilise les deux. FAITES-LE EN FORME D'UN COURRIEL (EMAIL). S'il vous plait, lisez bien quand on l'...

*July 23, 2015*

**english**

Im writing an essay on the novel The Stranger(L'etranger) and im trying to think of a good title. The themes im discussing are isolation, society and class and death. Is "Separation from the Public" a good one?

*July 23, 2015*

**french SraMcGin - If my answers are correct**

Mien,Tien,Sien If my answers are correct.*original sentences and after hyphen are my answers 1) On a lu ses histoires - Ce sont les siennes 2) Nous téléphonons à votre mère - C'est la vôtre 3) Marc prenait mon auto - C'est la mienne 4...

*July 23, 2015*

**french**

Thank you. Yes sometimes luxury is needed :)

*July 22, 2015*

**french**

Yes, i realized it was these.. but i wasn't sure. Thank you i will do all three! Oh thank you for the hotel suggestion i will take that into mind.. i chose the Four seasons hotel george v paris

*July 22, 2015*

**french**

Paris? La Côte d'Azur? Monaco? Planifiez un voyage à ces destinations. Cherchez un hôtel (l'adresse aussi), un restaurant (l'adresse aussi) où vous mangerez et 3 sites touristiques vous visiterez. Faites le travail en forme d'un ...

*July 22, 2015*

**french**

Here are my sentences: 1. Est-ce que tu n'es alle pas au concert hier soir 2. N'ont -ils guere travaille 3. Ne connais-tu personne en France 4. N'as-tu mange personne les gâteaux 5. Ne fument-ils jamais Am i correct?

*July 22, 2015*

**french**

Ok thank you very much.. i really appreciate it. I will put my questions all on one post. 1. So is the ne pas manger/boire correct.. and should i follow it for my other examples? 2. And can i send you my answers from my work if my negative sentences are correct? If not, i do ...

*July 22, 2015*

**french**

Thank you. I just asked 2 questions... and i cant type accents on my keyboard but i do include them in my text always. 1. Thank you i will use your guide for the negative 2. I asked which is correct, Ne courez pas or ne pas courir? because my teacher gave the example mentioned...

*July 22, 2015*

**french**

Because my teacher gave an example which was: Do not eat/drink! = Ne pas Manger/Boire

*July 22, 2015*