Tuesday

January 27, 2015

January 27, 2015

Total # Posts: 422

**math**

6x-4y=20 and 4y-6x=-20 What is the solution of the system of equations for this problem? A)A point B)No solution C)Infinitely many solutions These points would have C correct?
*March 28, 2010*

**math- CAN SOMEONE PLEASE CHECK MY WORK**

In 1992, the life expectancy of males in a certain country was 73.5 years. In 1996, it was 75.7 years. Let E representthe life expectancy in yeart and let t represent number of years since 1992. Fill in the linear function E(t) that fits the data E(t)=____t+____ uses this to ...
*March 28, 2010*

**math-slope**

would the slope of (0,3) and (-6,-3) be -6/-6?
*March 28, 2010*

**math**

Can someone help me find the two order pairs of this problem.. 5x+6y<30 I have to graph but I am unsure how to find the ordered pairs
*March 28, 2010*

**math**

5x+2y=8 2x+5y=1 is this parallel, perpendicular or niether?
*March 27, 2010*

**math**

I know that is why the question confuses me so the answer is c/9=d?
*March 27, 2010*

**math**

but you dont have C so how do you solve for D?
*March 27, 2010*

**math**

Solve for the indicated letter c=9d, for d I am not sure I understand this question can someone help
*March 27, 2010*

**Math**

Solve 9(w-2)=-18 9w-18=-18 9w=0 w=0 Is this correct?
*March 27, 2010*

**math-multiplying**

3/1 * (6/5) = 3 and 3/5 is this the correct answer?
*March 27, 2010*

**math**

6x-4y=20 and 4y-6x=-20 What is the solution of the system of equations for this problem? A)A point B)No solution C)Infinitely many solutions
*March 27, 2010*

**math-word problem**

Media Services charge $20 for a phone and $30/month for its economy plan. The equation C=30t +20 describes the total cost, C of operating a media service phone for t months. The total cost for 10 months of service is... My answer is $320 for 10 months service...is this correct...
*March 27, 2010*

**Math**

Can someone help me solve 0.7x+7<1.5x-8
*March 27, 2010*

**Math **

Thank you for your help!
*March 27, 2010*

**Math **

from here would you combined 4x-10x=-6x then it would show x=5+-6x and then you would go +6 to both sides to get 6x=5 and then divide to get your answer would this be correct?
*March 27, 2010*

**Math **

Solve 5/2X + 1/4X = 5/4 +X
*March 27, 2010*

**math**

solve the compound inequality 4>-2x+3 or 12<-2x+5
*March 27, 2010*

**math**

50% of what number is 35 would the answer be .50N=35?
*March 27, 2010*

**math-word problem**

In 1992, the life expectancy of males in a certain country was 73.5 years. In 1996, it was 75.7 years. Let E representthe life expectancy in yeart and let t represent number of years since 1992. Fill in the linear function E(t) that fits the data E(t)=____t+____ uses this to ...
*March 27, 2010*

**math-elimination**

I am still very confused on how to find the ordered pairs and I guess I do not understand what you are saying.
*March 27, 2010*

**math-elimination**

solve using the elimination method but I do not know where to begin
*March 27, 2010*

**math-elimination**

3x+4y=5 6x+8y=10
*March 27, 2010*

**math--simplify**

Simplify -9[-15-(45-12)]=
*March 27, 2010*

**math-word problem**

To find the slope would it then be 75.7-73.5/73.5 so the slope would be 33.4?
*March 27, 2010*

**math-word problem**

In 1992, the life expectancy of males in a certain country was 73.5 years. In 1996, it was 75.7 years. Let E representthe life expectancy in yeart and let t represent number of years since 1992. Fill in the linear function E(t) that fits the data E(t)=____t+____ uses this to ...
*March 27, 2010*

**math**

The equation y = -1777x+27153 can be used to predict the number y of gun deaths in the United States x years after 20000, that is, x=0 corresponds to 2000, x=3 corresponds to 2003, x=5 corrresponds to 2005 and so on. Predict the number of gun deaths in 2005 and 2007. In what ...
*March 27, 2010*

**math**

Finding the domain of G(X)=4/4-3X So would the domain be 3 then?
*March 26, 2010*

**math**

The function H descibed by H(X)=2.75X+71.48 can be used to predict the height, in centimeters, of a woman whose humerus (the bone from the elbow to the shoulder) is x cm long. Predict the height of a woman whose humerus is 39 cm long. I have an answer of the height is 178.73 ...
*March 25, 2010*

**math -word problem**

The width of a recangle is fixed at 13cm. What Length will make the perimeter greater than 78cm?
*March 25, 2010*

**Math**

So is that what the net yardage would be gains?
*March 25, 2010*

**Math**

On three consecutive passes a football team gains 7 yards, loses 34 yards and gains 24 yards. What number represents the total net yardage? For this would I just add 7+34+24 or is there a formula I should use?
*March 25, 2010*

**math**

Finding the domain of G(X)=4/4-3X Unsure where to begin here
*March 25, 2010*

**Math 116**

Find the slope =, if it exists, of the line containing the pair of points (7,10) and (9,-1)
*March 25, 2010*

**math**

x=8 correct?
*March 24, 2010*

**math**

Please help me solve. 8x-(2x+5)=43
*March 24, 2010*

**Math **

Translate to an algebraic expression The product of 46% and some number. use D for some number and change the percentage to a decimal. Here is what I think it is .46D is that correct?
*March 24, 2010*

**math**

-8<3x-5<-4 unsure how to solve can someone please give me the steps?
*March 23, 2010*

**math**

Evaluate r+s/8 for r=20 and s = 20 20+20/8 40/8 answer is 5 is this correct?
*March 23, 2010*

**math**

thanks
*March 23, 2010*

**math**

Find the slope of x=-6 unsure where to start here can someone please help?
*March 23, 2010*

**MATH - Can someone please help!**

Suppose you are in the market for a new home and are interested in a new housing community under construction in a different city. a) The sales representative informs you that there are two floor plans still available, and that there are a total of 70 houses available. Use x ...
*March 22, 2010*

**Math 116**

Okay so now I am working on the substitiution portion of this assignment and I understand the first part by not the second can someone help? Suppose you are in the market for a new home and are interested in a new housing community under construction in a different city. a) ...
*March 22, 2010*

**Math 116**

heres what I think the answer is please tell me if I am correct A)x+y=30 B)I get stuck at costs for homes and elimination method
*March 21, 2010*

**Math 116**

As you are leaving the community, you notice another new community just down the street. Because you are in the area, you decide to inquire about it. a) The sales representative here tells you they also have two floor plans available, but they only have 30 homes available. ...
*March 21, 2010*

**APChem**

Hi I tried to understand this but I don't know why the answer is B: Which one of the following pairs cannot be mixed together to form a buffer solution: A) NaC2H3O2, HCl B)RbOH, HBr C) NH3, NH4Cl D) H3PO4, KH2PO4 E) KOH, HF The answer is B but could you explain why? I know...
*March 21, 2010*

**APChem**

Hi! Thank you for your help... A 25.0 mL sample of 0.723 M HClO4 is titrated with a 0.273 M KOH solution. The H3O+ concentration after the addition of 66.2 mL of KOH is ______M. (The answer is supposed to be 1.00X10^-7) How do I set this problem up? I realize that it is a ...
*March 21, 2010*

**ap chemistry**

can you help: "Explain why there are no geometric isomers of tetrahedral complexes. thank you
*March 17, 2010*

**APChem**

"The osmotic pressure of a saturated solution of strontium sulfate at 25C is 21 torr. What is the solubility product of this salt at 25C (Hint: calculate molarity from the colligative properties eqn of osmotic pressure and use it in the equilibrium expression" I ...
*March 17, 2010*

**APCHEm urgent!!!!!!**

Hi thank you so much!!!! What is a net ionic equation for the reaction of H+ with Cu(NH3)4 ^2+ ALSO what is the net ionic equation for the reaction of H+ with Hg2Cl2 Does the H+ addition increase, decrease, or has no impact on the solubility of the salt.?
*March 15, 2010*

**APChem**

If an air bubble passes unnoticed through the tip of a buret during a titration (where a weak nonvolatile acid HA is the analyte) , the calculated molar mass of HA would be too high, too low, or not affected? I thought it would be too high, since an air bubble in the buret ...
*March 7, 2010*

**APChem**

thank you!
*March 7, 2010*

**APChem**

Is this true or false?:A buffer can be destroyed by adding too much strong acid. I thought that a buffer can be destroyed by adding too much weak acid, but I'm not sure...
*March 7, 2010*

**APChem**

does anyone know a good website i could look at so i could answer this question: ? Explain how indicators work using a chemical reaction as part of your explanation. Any websites? please? thank you!!
*February 27, 2010*

**APChem**

Hi Does red cabbage contain one or many anthocyanins & how do you know? this really helps--thank you!
*February 27, 2010*

**Math**

{-5x+3y=10 is this bracket { significant? how can the answer be (-2,-4)?---> try plugging in(-2,-4) for (x,y) in the first equation: -5 (-2) + 3(-4) = 10 10-12 = 10 ----> this doesn't make sense i would do this: x-4y=14 so... x = 4y +14 -5 (4y +14) + 3y = 10 -20y - ...
*February 26, 2010*

**Honors Chemistry**

Does red cabbage contain one or many anthocyanins? How do you know this?
*February 25, 2010*

**chemistry**

What is the molecular structure of the molecule AlCl3? What characteristic is notable about the structure that helps us to understand the acidic nature of AlCl3?Write a chemical reaction between AlCl3 and NH3 ignoring any reaction between AlCl3 and the solvent. Show and name ...
*February 23, 2010*

**Gen Chem II**

How many mL of 0.0875 M H2SO4 would you need to exactly neutralize 50.00 mL of 0.135 M NaOH?
*February 8, 2010*

**us history**

Given the global political, economic, and cultural dominance of the U.S. after World War II to the present, characterize the position of the U.S. in terms of both positive and negative impacts on the world's developing nations.
*February 4, 2010*

**coding and billing**

I just realize I do not have the correct coding book to do a brief look up codes worksheet. I need help!!!!
*February 1, 2010*

**math/probability**

A bag contains 7 red chips and 10 blue chips. Two chips are selected randomly without replacement from the bag. What is the probability that both chips are red?
*January 15, 2010*

**math-probability**

. If a single letter is drawn from the set (m, a, t, h, e, I, c, s) what is the probability that the letter drawn is a member of the set (m, a, t, h)
*January 12, 2010*

**Science **

Under which of the following conditions would the same amount by mass of sugar diffuse the fastsest? 300 ml ice tea with sugar cube 300 ml ice tea with table sugar 300 ml hot tea and a sugar cube 300 ml hot tea and table sugar
*January 4, 2010*

**Fifth Grade Math**

This is soooo helpful I had no idea how to do this
*December 14, 2009*

**7th grade History**

By comparing,what is different from Ancient Egyptian and Modern Egyptian beliefs of the gods?
*December 7, 2009*

**College algebra**

x+7/3
*November 29, 2009*

**math**

a train left podunk and traveled west 70 km/h. two hours later, another train left podunk and traveled east at 90km/h. how many hours had the first train traveled when they were 1420 km apart?
*November 8, 2009*

**Physics**

what is the distance if its velocity is 10m/s and the time is 10 seconds
*October 29, 2009*

**English**

Paragraph One: the Resume Statement I need to write a one paragraph resume statement. This paragraph will go at the top of my resume, and convince the human resource officer to take my application seriously. It must be persuasive. Paragraph Two: The Website Summary I need to ...
*September 5, 2009*

**social studies**

the need to find a shorter route to the indies. Purposes altered were the escape from religious persecution, gold, adventure, nowhere to go and an opportunity for money.
*July 31, 2009*

**11th grade**

How does the view of romantic love develop in the course of the novel? What is the doctor's view of marriage and childbearing?
*July 28, 2009*

**English college**

I need an introduction and conclusion to my persuasive paper.
*July 15, 2009*

**Literature Opinion Please Read**

Yes I knew that we read about it the other day in our class but thanks for your helpful advice Mrs. Sue. I just hope I can act good, wish me luck! Peace
*February 25, 2009*

**Can I get anyone's opinion**

What would you do if you were me?
*February 25, 2009*

**Literature Opinion Please Read**

I need your opinion on something. If you are a boy please refer to a girl. If you are a girl please refer to a boy. Ok now if you are doing a play for Romeo and Juliet and you had the opposite gender would you sound like yourself or would you try to sound like a girl or boy. ...
*February 25, 2009*

**Social Studies**

what are some important facts on LC Bailey?
*February 23, 2009*

**spanish**

SOBRINA- NEICE
*January 28, 2009*

**SCIENCE**

WHAT IS THE DIFFERENCE BETWEEN THE ARRANGEMENT OF A CONSTELLATION AND A GALAXY?
*January 28, 2009*

**Poem**

Do you like the title of this poem? I created it myself does it sound ok. Were supposed to write about school. Getting Ready For School Breakfast, get dressed, fix hair, get dressed, fix hair, makeup, fix hair, makeup, blush, makeup, blush, brush teeth, blush, brush teeth, ...
*January 28, 2009*

**poems**

would anyone like to read my other poems. Thanks
*January 15, 2009*

**Poem**

Oh thank you so much that is so sweet do you want to hear some more of my poems I have like 4 or 5 more
*January 15, 2009*

**Poem**

thanks for your opinion
*January 15, 2009*

**Poem**

Is this a good poem? Wedding Day Chimes ring, and hearts sing A special day has come For two special people To join together as one To hold, and to love And feelings to share To touch, and to look after To to know they both care As the two look in each other's eyes It'...
*January 15, 2009*

**5th grade**

Heres a another tip type in google and type privateers and you get a whole lot of synonyms because I just did that.
*January 15, 2009*

**Poem**

Ok thanks for the advice. What do you I should do change some of my words or just keep it the way it is.
*January 15, 2009*

**Poem**

Please someone read my poems I posted I am really desperate, and I need a response. thanks
*January 15, 2009*

**poem**

Hint: where is says and stand up it should say and stand tall
*January 15, 2009*

**poem**

Is this a good title? Believe in yourself If there ever is a time That you shall fall Pick yourself up And stand up Be proud who you are Every single day Believe in yourself And you succeed that way Think about your future Think about your dream Push yourself forward And try ...
*January 15, 2009*

**poem**

Is this poem good or bad? What is love? It's a special feeling Deep inside our hearts That is very reavling What is love? It's a special part of life The two of each other together Forever in each others lives What is love? It's in a shape of a heart Caring for one...
*January 15, 2009*

**music**

find a introduction about music and beethoven and mozart
*November 25, 2008*

**math**

In the function f(x)=(x+5)^4 +k , for which values of k does the function have two real solutions? no real solutions? Explain?
*November 24, 2008*

**algebra 2**

arent the zeros -5?
*November 24, 2008*

**algebra 2**

In the function f(x)=(x+5)^4 +k , for which values of k does the function have two real solutions? no real solutions? Explain?
*November 24, 2008*

**PROPORTIONS**

Here is the question: "To make a pancake mix, add 1/2 cup of sugar, 3 cups of flour, 1 cup of powdered milk, 1 teaspoon baking powder and 1/2 teaspoon salt. Assuming the volume of the baking powder and salt are negligible, how much flour will be needed to make 50 cups of ...
*November 17, 2008*

**Employees**

Ms. Sue, how did you get 7/10, when there is 7:3 women to men? (confused)
*November 17, 2008*

**Employees**

But how did you get E.G? that I'm sorry but I don't understand. [hitshead]
*November 17, 2008*

**Employees**

Proportion practice: "Fancy factory has 300 employees with a 3 to 7 ratio of men to women. How many men work there?" I've been working on this forever. And I can't figure out what to do. DX uarrghhh. Help?
*November 17, 2008*

**Math**

sorry I didn't mean to double post a response
*November 17, 2008*

**Math**

The recipe I chose was this:: FRUIT SALAD 1 pint of strawberries 1 pound of grapes 3 bananas 1 (8 oz) strawberry yogurt. But when it tells me to do 1/3 of the recipe I keep getting the tripled amount. Am I doing something wrong?
*November 17, 2008*

**Math**

And then it asks: "List the ingredients to a favorite recipe. Triple the recipe." then "Now figure 1/3 the recipe. Try using fraction multiplication, then do the problem again using proportion method." I'm really stupid. So to triple the recipe that I ...
*November 17, 2008*

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