Wednesday

February 22, 2017
Total # Posts: 77

**Chemistry Lab**

Number of moles of HCl and Na2CO3 (show calculations) when 0.015 g of Na2CO3. How can I calculate this problem if I am only given the 0.015 grams of Na2CO3?

*October 3, 2016*

**english**

1.Antigone decides to bury her brother in defiance of the law. Her sister argues against it. Summarize the two sides of the argument, and explain Antigone's reasons for doing as she does. 2.Creon says that it would be wrong for him to listen to the arguments of a woman. ...

*April 7, 2015*

**Pre-Calc.**

Write the geometric sequence that has four geometric means between 1 and 16,807.

*March 20, 2015*

**Spanish**

I think "Mi futuro hogar" would be better but that's my opinion. Good luck!

*March 14, 2015*

**Spanish**

"Mi futuro hogar" if you want it formally or "Mi futura casa" if you want it informally.

*March 14, 2015*

**Pre-Calc.**

Change the exponential statement 5^x=125 into an equivalent logarithmic statement. I know the answer is log5(125)=(x) Just don't know the steps to get it.

*March 14, 2015*

**Pre.Calc**

You want to make an investment in a continuously compounding account over a period of ten years. What interest rate is required for your investment to double in that time period? Round the logarithm value to the nearest hundredth and the answer to the nearest tenth. -I don'...

*March 14, 2015*

**Modeling with Linear Systems**

60

*March 11, 2015*

**Pre-Calc.**

You want to make an investment in a continuously compounding account over a period of 20 years. What interest rate is required for your investment to double in that time period? Round the logarithm value to the nearest hundredth and the answer to the nearest tenth.

*March 10, 2015*

**Pre-Calc.**

Thank you so much...

*March 6, 2015*

**Pre-Calc.**

What are the vertices of the hyperbola x^2/9 - y^2/4=1 I'm not sure of how to start or what equation to use. Show steps please.

*March 6, 2015*

**Pre-Calc.**

Thank you very much...

*March 6, 2015*

**Pre-Calc.**

Write the standard form of the ellipse x^2+4y^2+6x-8y+9=0 I'm not sure how to start it, I think I need to set it equal to one because eventually it needs to end up equal to one but I'm not certain. I know the answer is (x+3)^2/4 + (y-1)^2/1=1 but have no idea how to ...

*March 6, 2015*

**Pre-Calc**

Thank you very much, I understand it a little bit better now...

*March 6, 2015*

**Pre-Calc**

What are the asymptotes of the hyperbola (x+1)^2/4 - (y-2)^2/1 =1 I'm homeschooled, so the concept is hard to grasp. Show steps please.

*March 6, 2015*

**Pre-Calculus**

What are the vertices and co vertices of the ellipse x^2/4 + y^2/25=1 I actually have no idea how to even start to solve this problem, so any help will be appreciated. Steps on how this problem is solved are also appreciated.

*March 6, 2015*

**math help plz2!!!!**

****Point(-6,-1)

*June 8, 2014*

**math help plz2!!!!**

Find an equation of parabola that has the indicated vertex and whose graph passes through the given point. Vertex (-3,5) Point (-6,1)

*June 8, 2014*

**math**

The daily production costs P (in dollars) for a manufacturer of sound systems is given by the quadratic function. P(x)= -0.003x^2+150x-375,000 Where x is the number of units produced. What production level will yield a maximum profit?

*June 8, 2014*

**Algebra 2**

Thank You So muchhh!!!!!! :)

*November 13, 2013*

**Algebra 2**

I need to use the quadratic formula to solve it

*November 13, 2013*

**Algebra 2**

5x2+9x-2=0

*November 13, 2013*

**math**

On a winter day the temperature at 6 a.m. was -9° F. At 2 p.m. it was 25° F. By how many degrees did the temperature change from morning to afternoon?

*October 5, 2012*

**Math**

5)Solve 2x2 +6x = 4 by completing the square. 6)Solve 3x2 - 6x- 24 = 0 using the quadratic formula. 7)The area of a circle is 25 in2. What is the radius, including the units? Area of a circle is ¢³r2. 8)The triangle has an area of 14 in2. Determine the lengths of the...

*May 20, 2012*

**geometry**

thanx

*December 26, 2011*

**geometry**

the base of a right triangular prism has a width of 8 inches and a height of 6 inches. the length of the third side of the triangle is 10 inches and the length of the prism is 12 inches. What is the surface area of this prism?

*December 26, 2011*

**math**

write a scenario for 15<x<23

*August 25, 2011*

**Density**

A 156-kg coil of sheet steel is .080 mm thick and 50 cm wide. How long is the steel in the coil?

*June 23, 2011*

**algebra**

how can i solve this equation: (a-b)(2a-b)(a+2b) can anyone be so kind to help me with it? p.s. I'm barely learning how to multiply polynomials.

*September 28, 2010*

**algebra**

how can i solve this equation: (a-b)(2a-b)(a+2b) can anyone be so kind to help me with it? p.s. I'm barely learning how to multiply polynomials.

*September 28, 2010*

**Chemistry**

656.8

*September 23, 2010*

**HCS/310**

Need help answering question: How could health care be financed in the future? as to an article or website with information. Thank you

*June 28, 2010*

**math please help!!!!!!!!!!!!!!!!!!!!!**

$6.00

*March 2, 2010*

**social studies**

What does relative location mean?

*September 15, 2009*

**Sci**

thanks for your help

*August 14, 2009*

**Sci**

What an individual can do to help preserve the diversity of the Okapi Wildlife Reserve? Please help me answer this question.

*August 14, 2009*

**math**

If you are looking at a graph of a quadratic equation, how do you determine where the solutions are? Please help me answer this question...

*February 10, 2009*

**Psy285**

Is there really such a thing as altruism? Why or why not? What motivates people to help? please help me answer this question I don't know the meaning of Altruism?

*February 9, 2009*

**math**

Create a quadratic equation from the solutions of x=3 and x=-3. please help

*February 4, 2009*

**math**

please help me solve

*February 3, 2009*

**math**

Write a quadratic equation having the given number as solutions: c/2 and d/2

*February 3, 2009*

**math**

3V10 x V4

*January 21, 2009*

**math**

©ø¡î10 ¡¿ ¡î4 Can you please help me solve

*January 21, 2009*

**math**

ã49 + ã343 - ã2401 = please help me solve

*January 20, 2009*

**math**

is this a radical expression ã12-ã27+ã75= please help

*January 18, 2009*

**math**

Example: Carlos buys 1 gallon and 2 quarts of paint for a single coat, his house is 350 square feet, in order to increase volume of paint when painting the inside and outside of the house, carlos would need slightly more than a gallon if the walls are unpainted. Carlos haves 4...

*January 11, 2009*

**math**

Yes, I need to understand why this is right, please help...

*January 7, 2009*

**math**

x^2 = x^2-1 = x^2-1 = (x-1)(x+1) -x = 1 x-1 x-1 Is this right, please help thanks

*January 7, 2009*

**matyh**

x^2 = x^2-1 = x^2-1 = (x-1)(x+1) -x = 1 x-1 x-1 Is this right, please help me solve

*January 7, 2009*

**Math**

Thanks is 5^2....

*January 6, 2009*

**Math**

5 5^5=25 25-1=24 24/4=6 6-5=1 =1 Did I solve this right,Please help I just don't get it

*January 6, 2009*

**Math**

How can one deterimine if a polynomial is the difference of two squares? please help me answer, thanks :)

*December 15, 2008*

**Psy 285**

Ice cream melths when heated is this causation or correlation? Money is the rot of all evil is this causation or correlation? Please help have no clue:(

*December 8, 2008*

**psy285**

Thank you

*December 8, 2008*

**psy285**

People with long hair do better on an audio memory test is this a causation or correlation, pleas help

*December 8, 2008*

**math 117**

please help me solve Put this in scientific notation: (3000)(20000) Solve: (3*10^5)(7*10^3)

*December 8, 2008*

**math 117**

Is this right (3 x 10^4)(2 x 10^2) = 6.0 x 10^6, can someone please explain : ) I have no clue...

*December 8, 2008*

**math 117**

Thank you soooo much

*December 8, 2008*

**math 117**

How to do you Put in scientific notation (400)*(3000) Solve a^m*a^g please help I do not understand!!!:(

*December 8, 2008*

**Math 117**

How is dividing a polynomial by a binomial similar to or different from the long division you learned in elementary school? Can understanding how to do one kind of division help you with understanding the other kind? What are some examples from real life in which you might use...

*December 7, 2008*

**Algebra 1A**

How is algebra a useful tool? what concepts investigated in algebra can be apply to personal and professional life? I need help answering this question. Please help?

*November 30, 2008*

**Health care communcation**

Compose a 200 word response Employees from the billing department are not receving the accurate codes and information needed for data entry, slowing production and payments for the doctor as head of the billing department you have been delegate to lead a problem solving team ...

*November 29, 2008*

**Algebra 1A**

describe what the graph of interval -4, 10 looks like? This is for math 166 algebra 1A I don't understand how to answer this question, please help me!

*November 29, 2008*

**Algebra 1A**

This is for my math 116 algebra 1A. The question is homework. I'm having problems understand it myself...

*November 24, 2008*

**Algebra 1A**

Describe what the graph of interval [-4, 10] looks like? Please help me answer this question thanks..

*November 24, 2008*

**Algebra 1A**

explain what the graph of interval -4, 10 looks like? I would say The -4 would be 4 spaces to the left of 0, or the center point and the 10 is 10 spaces up from there. I need help I really don't know if this is right,please help thanks... That's the question I have to ...

*November 24, 2008*

**Algebra 1A**

That's the question I need to answer and I don't know where to start...

*November 24, 2008*

**Algebra 1A**

Yes

*November 24, 2008*

**Algebra 1A**

explain what the graph of interval -4, 10 looks like? I would say The -4 would be 4 spaces to the left of 0, or the center point and the 10 is 10 spaces up from there. I need help I really don't know if this is right,please help thanks...

*November 24, 2008*

**Algebra 1A**

Describe what the graph of interval [-4, 10] looks like? I really need help, I do not understand graphing. Please help me!!!

*November 24, 2008*

**Algebra**

Rod is a pilot for Crossland Airways. He computes his flight time against a headwind for a trip of 2900 miles at 5 hr. The flight would take 4 hr and 50 min if the headwind were half as great. Find the headwind and the plane’s air speed. Please help me solve. I'm ...

*November 22, 2008*

**Algebra**

This question was posted by a classmate and we had to answer it. I would let my classmate know that something is wrong or missing. Thanks for your help drwls

*November 22, 2008*

**Algebra**

Micheal loaned two of his roommates a total of $4,000. He charged his first roommate 3% interest and his second roommate 4% interest. After six months he collected a total of $332 in interest. How much did he loan each friend?

*November 22, 2008*

**Math algebra**

Thank you, that help a lot. It was very clear to understand

*November 21, 2008*

**Math algebra**

Sarah’s two student loans totaled $12,000. One of her loans was at 6% simple interest and the other at 9%. After one year, Sarah owed $855 in interest. What was the amount of each loan?

*November 21, 2008*

**chemistry stoichiometry**

My chem teacher gave us this problem Twelve-gauge copper wire,like the kind commonly used in residential electrical systems, is roughly cylindrical and has a diameter of approximately .1040in. Copper's density is 8.92g/cubic cm and copper atoms have an approximate atomic ...

*September 9, 2007*

**ap chemistry please BOB HELP ME**

I'm sorry to be such a big bother but I just want to make sure I did it the right way. (.0985gZnCl2)(1molZnCl2)/(136.28gZnCl2) I got(7.23times10withthe exponent-4 mols) Then I converted moles of ZnCl2 to mol of Zn using themole to mole ratio. Then I converted moles of Zn ...

*September 9, 2007*

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