Thursday

December 18, 2014

December 18, 2014

Total # Posts: 411

**pre-algebra**

Angel M and Angel N are supplementary angles. If Angel M is nine more than one half Angel N, what are the measures of the angels?
*June 14, 2011*

**pre-algebra**

Use an inequality to solve the problem. The equation y=0.04x-0.40 can be used to determine the approximate profit,y, in dollars, of producing x items. How many items must be produced so the profit will be at least $1402?
*June 14, 2011*

**pre-algebra**

1/2*20<20 10x<20 x-2 The sign can be no more than 2 ft. high.
*June 14, 2011*

**pre-algebra**

Use an inequality to solve the problem. A shopkeeper is making a triangular sign for his store front, but he must keep the sign under 20 square feet to adhere to the zoning laws. If the base of the sign is 20 feet, what is the maximum height of the triangular sign?
*June 14, 2011*

**Geometry**

A cylinder has a height of 16 cm and a radius of 5 cm. A cone has a height of 12 cm and a radius of 4 cm. If the cone is placed inside the cylinder as shown, what is the volume of the air space surrounding the cone inside the cylinder? (Use 3.14 as an approximation of .)
*May 25, 2011*

**spelling**

boss'
*May 8, 2011*

**science**

two ways gravity can effect the movement of a wheel and axel in a bicycle
*April 17, 2011*

**government**

__________ is the term given to the activities of interest groups that seek to influence the making and implementation of public policy and to persuade government officials to support a group's position.
*April 4, 2011*

**algebra**

Rachael bought 12 pencils and 7 markers for $5.36, and later bought 8 pencils and 5 markers for $3.68. Find the cost of each pencil and marker.
*March 16, 2011*

**math**

In a pair of similar rectangles, the ratio of the widths Is 3:4. What is the ratio of the lengths?
*March 7, 2011*

**math**

parallel to y 2x+2 and passes through the point (2),(3)
*February 22, 2011*

**english**

in the story "snow" through the story's first-person narration, the reader comes to understand
*February 22, 2011*

**trig**

How do I find the exact value of sin2x when secx is equal to the negative square root of three
*February 18, 2011*

**Math**

Edit: (1/c+2) + (1/0.30c+0.60) = ?? How do i find a common denominator for this? thank you.
*February 8, 2011*

**Math**

1/c+2 + 1/0.30+0.60 = ?? How do i find a common denominator for this?
*February 8, 2011*

**Math**

1/7 + 1/-7 = How do i solve?
*February 7, 2011*

**math**

2/5
*January 25, 2011*

**math**

The perimeter of a rectagle is 50 centimeters. The length of the rectangle is one more than 3 times the width of the rectangle. What are the demensions of the rectangle?
*January 2, 2011*

**Math**

factor out 16x^2-80+100
*December 12, 2010*

**English**

Do you understand the ideals and values
*December 9, 2010*

**Ap Euro History**

What is the Relative Success in Achieving Catholic/Protestant Aims when the catholics posted the 95 theses?
*December 2, 2010*

**Chemistry**

Thanks much! I kept getting 0.4M, but realized that I was multiplying 1M * 10 mL instead of 0.1M.
*November 22, 2010*

**Chemistry**

Also, I was looking for the concentration of HCl, not the volume. The equation is: HCl (aq) + NH4OH (aq) ---> NH4Cl (aq) + H2O (l).
*November 22, 2010*

**Chemistry**

What is the concentration of HCl when 25.0 mL of HCl completely reacts with 10.0 mL of 0.1M solution of NH4OH (subscript 4)? Solution steps would be helpful so I can solve other similar problems.
*November 22, 2010*

**Chemistry**

convert @5g of NaCl into moles
*November 18, 2010*

**chemistry**

If I make an ice pack with 750mL of water, what mass of ammonium chloride must I include to get the temperature to drop from room temperature (20 degrees C) to 5 degrees C?
*November 17, 2010*

**Calculus**

______ /_____/| $5 bottom || || $1 Top || || H $3 Side ||____|| |/____|/S S A = S^2 * H Cost will be related 4 = S^2 * H with Surface Area H = 4 / S^2 So our equation is... SA = 2S^2 + 4SH Cost = 5S^2 + S^2 + 4*3*S(4/S^2) Cost = 6S^2 + 48/S Now we differentiate Cost Cost'...
*November 15, 2010*

**math**

Betty buys 16 balloond for her friend. At the rate given in the sign below how much does she pay in $ and cents A dozen ballons for $4.80
*November 15, 2010*

**math**

Betty buys 16 balloond for her friend. At the rate given in the sign below how much does she pay in $ and cents A dozen ballons for $4.80
*November 15, 2010*

**physics**

Two particles of mass m1 = 1.0 kg and m2 = 2.6 kg are traveling with velocities v1 = 4.9, and v2 = 2.5 as shown in the figure below. What is the total momentum of this system? Be sure to give the magnitude and direction of the momentum. magnitude 1 kg · m/s direction 2...
*November 10, 2010*

**physics**

Two particles of mass m1 = 1.0 kg and m2 = 2.6 kg are traveling with velocities v1 = 4.9, and v2 = 2.5 as shown in the figure below. What is the total momentum of this system? Be sure to give the magnitude and direction of the momentum. magnitude 1 kg · m/s direction 2&...
*November 9, 2010*

**8th grade**

I need a topic for a non fiction paper
*October 31, 2010*

**science**

what is the meaning of lysosmes. How is it used in a cell.
*October 24, 2010*

**Math**

56/9,644,600
*October 4, 2010*

**math**

looking for any mathematical characteristic of the number 13 for a math project
*October 3, 2010*

**math**

Show how commutative property of addition works using the numbers 2, 3, & 5
*September 15, 2010*

**math**

opps sorry 7+(3+5)=(7+3)+5
*September 15, 2010*

**math**

What property of addition is shown in the following number sentence? why?
*September 15, 2010*

**math**

What property of addition is shown by 5+2=2+5 Associative Distributive commutative or Identity
*September 15, 2010*

**math**

why is 23 deficient?
*September 14, 2010*

**MATH**

1273 256 1529 20 500 no
*September 13, 2010*

**please check**

1) exploit 2) obsolete 3)elicited 4) acclaim 5) escalated 6)engrossed 7)adjacent 8)terminate 9)methodical 10)tangible
*August 30, 2010*

**Algebra**

25b^3+5b^2+34b+29 go to webmathcom, click algebra and under simplifying expressions click anything else and enter your promblem and hit try to simplify it and it will explain everything
*August 27, 2010*

** geometry 11th grade**

suppose the coordinate of 9 is 2, pq=8 and pr=12. what are the possible coordinates of the midpoint of the given segment qr
*August 26, 2010*

**10th grade**

I have to write an insightful handwritten reflective response via essay about a passage in a novel. The passage is about 3 sentences. It is a summer reading book. How many pargraphs do i need and help with layout of essay.
*August 24, 2010*

**History**

Could someone please check my questions? There are only 10/30. 1.)What does the "Age of Enlightenment" refer to? a)The Middle Ages b)The philosophical atmosphere of the 18th century =c)The reassertion of absolutism by the French monarch d)The period in communist ...
*August 1, 2010*

**ENGLISH HELP!!!**

when did Romanticism became popular?? - before the Enlightenment - during the Enlightenment - at the end of the Enlightenment - a century after the end of the Enlightenment
*July 18, 2010*

**HELP ENGLISH LIT.**

actually i chose the same anwser you chose "example" but i will re check.. thank you
*July 18, 2010*

**HELP ENGLISH LIT.**

what type of context clue is being used when a author helps explain a difficult word by describing the setting or scene? Contrast example comparrison expirence
*July 18, 2010*

**MATH**

2+3(8-4)=
*July 18, 2010*

**Literature HELP!!!**

Which phrase best describes Samuel Pepys's personality, judging from the Diary excerpts you read? A.a caring, social man with many friends B. a hardworking but miserly man who cares only about the damage the fire will cause his properties C.an angry and depressed man who ...
*July 14, 2010*

**algebra**

Carl needs to find the number of centimeters in 0.4 kilometer. He is writing a proportion to help find this number.Which ratio should Carl use to finish the proportion?
*June 24, 2010*

**Government Check**

for the people being rude... im pretty sure this web page says homework HELP at the top. so go bug people on youtube comments you fat kids with out cake.
*June 21, 2010*

**Math**

On a scale drawing the scale is 1/2 inch= 2ft.Find the dimensions of each room in the scale drawing. 14ft by 18ft
*June 9, 2010*

**4th grade math**

sure
*June 3, 2010*

**4th grade math**

2/3 of 18 is 12 because 6 times 3 is 18.
*June 3, 2010*

**geometry**

oh... thank you =]
*June 3, 2010*

**geometry**

from the corresponding sides of each rectangle
*June 3, 2010*

**geometry**

i worked the equation and got 3/4 = x/6
*June 3, 2010*

**geometry**

find the area of rectangleRSTU if it is similar to rectangleMNPQ and MN is 4 cm. and MQ is 3cm. while RS is 6cm.
*June 3, 2010*

**geometry**

yes, thank you
*June 3, 2010*

**geometry**

.J . . M . .N <----------> . . . . K . . . . . . .L this is what the figure looks like, but it needs to be either sss, sas, or aa similarity
*June 3, 2010*

**geometry**

If it is given that in triangleJKL that has a lineMN passing through it thatlineMN is parallel to line segmentKL, then prove that triangleJKL is similar to triangleJMN.
*June 3, 2010*

**Social Studies**

Napoleon Boneapart?
*June 3, 2010*

**Math**

f(x) = (x - 3)2, with domain [3, ∞) What is the range of function f?
*May 19, 2010*

**Math**

3x + y = 3 x + y = 2 Solve the systems of equations. Options: x=1/2 y=3 x=3 y=1/2 x=1/2 y=3/2 x=3/2 y=1/2
*May 19, 2010*

**Algebra**

thanks man
*May 19, 2010*

**Algebra**

Simplify: (6y + 10z) - (13y - 5z + 4)
*May 19, 2010*

**Algebra**

the options where... 87, -28,-43, -43/5
*May 19, 2010*

**english**

What is the definition of respect
*May 13, 2010*

**English/Creative Writing**

I'm really stressing over this badly, and need some help on it. What we have to do is make an un-rhymed poem that's 10 lines long, using Unstressed and stressed words and has to be 10 syllables per line in meter. Any examples would be great!
*May 9, 2010*

**Math (URGENT)**

Use calculator - answer correct to 3 places. a. 3sqrt17 + 2sqrt15 / 5sqrt7 = 10.644 b. 2sqrt11 - 3sqrt2 + 15sqrt10 + 5sqrt5 = 61.005 c. 4.3sqrt6.9 / 1.7sqrt57 = 50.163 Can someone check my answers? I keep getting the feeling these are not the right answers. Thank you.
*May 4, 2010*

**Math (URGENT)**

c. sqrt sqrt 6 = 6^1/4 d. fourth root of sqrt of 5^3 = (5^3)^1/8 Are these correct? Note: for "d" do I just leave it like that or can I further simplify? Thank you.
*May 2, 2010*

**Social Studies URGENT**

1. Why was the bison hunt so important to the Metis? Because the bison provided food for the Metis and clothes were made from the hides. 2. Activities/Lifestyle of Metis? ??? Can someone please check #1 and assist me with #2. Help is greatly appreciated. Thank you.
*March 30, 2010*

**Math**

In a certain coastal basin, the sea water contains 3.9 grams of salt per 1000 milliliters of water. How many grams of salt would be in 3 liters of the sea water?
*March 22, 2010*

**Pysics**

A small motor runs a lift that raises aload of bricks weighing 836N to a height of 10.7m in 23.2s. assuming that the bricks are lifted with constant speed, what is the minimum power the motor must produce?
*March 15, 2010*

**Chemistry**

Sally is goint to determine the quantity of MgSO4 by titrating the Mg2+ ions using EDTA. What is the concentration of Mg2+ (in mmol/L) in the sample if it takes 22.9 mL of EDTA solution with concentration of 0.01108 mol/L to titrate 50.00 mL of the sample to the endpoint? Note...
*March 14, 2010*

**Chemistry**

The active ingredient of the antacid is CaCO3 and so Sally chose titration with HCl as a method for analysis. What is the mass (in g) of the CaCO3 in the sample of antacid, if it is titrated by 21.2 mL of HCl solution with concentration of 0.1048 mol/L to reach the endpoint?
*March 14, 2010*

**geometry**

thank you
*February 22, 2010*

**geometry**

it is only a square, no circle. the radius i am refering to is from the corner point to the midpoint of the square. and from the midpoint there is a line going straight down, thus forth a 45-45-90. it is like dividing a sqaure into 4 equal sections, each corner is in 1/4 of ...
*February 22, 2010*

**geometry**

what is the area of a regular quadrilateral (square) that has a radius of 10 square root of 2. The 10 square root of 2 is the x^2 (the hypotenuse) part of a 45-45-90.
*February 22, 2010*

**math**

B is the saner because 376 rounds to 380, 378 rounds to 380, and 384 rounds to 380.
*February 22, 2010*

**math**

thanks, just hope i get it right
*February 22, 2010*

**math**

what is 350m 60s 1km ? ____ X____ X _____ 1s 1min 1000m someone help me, i dont know how to do this problem.
*February 22, 2010*

**3rd grade math**

if you multiply me by 2 I become a number greater than 20 and less than 40. if you multiply me by 6, i end in 8 if you multiply me by 4 i end in 2
*February 18, 2010*

**11th grade-Amercain Lit**

I need some help editing this paper. Public’s right to know V.S You’re right to privacy When does the public right to know become unreasonable? Does an individual’s privacy become irrelevant when the public’s safety is concerned? When the public’s ...
*January 15, 2010*

**chemistry**

i have difficulty in this question. any help would be much appreciated. 1)CO(g)+2H2(g)->CH3OH(g) at 225c, K is 10.2 liter^2/mol^2. what concentration of CH3OH(g)is in equilibrium with CO(g) at a concentration of 0.020 mol/liter and H2(g) at a concentration of 0.020mol/liter?
*January 1, 2010*

**foreign language**

Sorry, into Spanish please..
*November 29, 2009*

**foreign language**

could you help me to translate this? It (the painting) sends the message that there is a deeper personality behind everyone than on the surface.
*November 29, 2009*

**Pre-Calc**

The Sweet Drip Beverage C. sells cans of soda pop in machines. It finds that sales average 26000 cans per month when the cans sell for 50cents each. For each nickel increase in the price, the sales per month drop by 1000 cans. Determine a function R(x) that models the total ...
*November 15, 2009*

**Please Help (Vista Laptop Assignment)**

Since I dont have a laptop with vista I'm not able to do this and Sra only gave me links to tutorials which kinda doesn't help me :( (but Iguess its the thought that counts.
*November 8, 2009*

**Vista Laptop Help**

Okay so I'd do this myself but I only have a desktop with Windows Vista and not a laptop so if anyone with a laptop that has Vista on it could please help me: 1. Open Windows Mobility Center and then mute the speakers. 2. Change the plan settings for the Balanced plan so ...
*November 8, 2009*

**math**

$37,500
*November 7, 2009*

**math**

if 25 is added to three times a number the result is 70.find the number?
*October 20, 2009*

**algbrea**

write this fration in lowest term 3 and 2 over 5
*October 20, 2009*

**albgrea**

multpty all the number toeghther to get the volume
*October 20, 2009*

**albgrea**

lenegthxwidthxheight
*October 20, 2009*

**albgrea**

find the volume of 2cm , 8 cm , 18cm
*October 20, 2009*

**albgrea**

a triangle has 525cm and a base of 50 cm use the formula a=1 over 2 bh to find its height
*October 20, 2009*

**math **

its a reactangle
*October 20, 2009*

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