Monday

January 16, 2017
Total # Posts: 412

**Algebra**

Can somebody please help me with solving this and show steps if they can. Solve the equation. Check for extraneous solutions. 9|9-8X|=2X+3 For my answer I got X=-1 I divided by 9 on both sides I got 8X=2X-6 Then I divided by 6 on both sides and got X=-1

*November 16, 2016*

**Algebra**

Can somebody please help me with solving this and show steps if they can. Solve the equation. Check for extraneous solutions. 9|9-8X|=2X+3 For my answer I got X=-1 I divided by 9 on both sides I got 8X=2X-6 Then I divided by 6 on both sides and got X=-1

*November 16, 2016*

**Maths**

There are Number cards ”3”?”4”?”5” with 10 cards each ?choose any 8 cards to sum up to 31,then what is the maximum number of cards “3” in the combination?

*November 11, 2016*

**3rd grade Math**

Allie was making a cookie recipe that called for 30 chocolate chips. She wants to make 2 batches of cookies. How many chocolate chips does she need? 1 group = 30 30+30=60 or 2x30=60 ?

*October 30, 2016*

**Algebra**

If x pounds of cashews valued at $6.00 per pound are to be mixed with y pounds of peanuts valued at $4.00 per pound to obtain a 40 pound cashew-peanut mixture. Find x and y so that when the mix is sold for $4.75 per pound, the same amount of revenue is collected from the sale ...

*October 13, 2016*

**Organic chemistry**

An unknown compound (x) melts at 60°C and is mixed with a compound (y) that melts at 45°C and is soluble in x. Will the Melting point for the mixture start below 45°? I think so, because if you look at ice and salt for an example, salt has a way higher melting ...

*September 21, 2016*

**Chemistry**

A rectangular solid of unknown density is 6cm long, 3cm high, and 7cm wide. The mass of this solid is 250g. Calculate the density.

*September 11, 2016*

**math**

Add par

*August 4, 2016*

**pysical science**

An automobile with a mass of 1258 kg accelerates at a rate of 5 m/s² in the forward direction. What is the net force acting on the automobile?

*May 11, 2016*

**Chemistry**

At 700 k the equilibrium constant Kc for the reaction between NO(g) and O2(g) forming NO2(g) is 8.7*10^6. The rate constant for the reverse reaction at this temperature is 0.54 M^(-1)s^(-1). What is the value of the rate constant for the forward reaction at 700 K?

*March 12, 2016*

**math**

correction its 3/4>5/6

*March 8, 2016*

**math 4th grade**

Sam looks at a number line with benchmark fractions and decides 3/4<5/6. Is this correct or wrong?

*March 8, 2016*

**math**

Dan has walked 1/3 of the way to school. What fraction describes how far he still has to go? Is it 1/4,1/2,2/3,3/1

*March 8, 2016*

**Math**

Ms. Williams has 3 liters of lemonade. She wants to divide the lemonade into eight portions to give her 8 grandchildren. How can she divide the lemonade into eight equal portions

*December 15, 2015*

**math**

You are buying balloons for a pary. A small balloon cost $2. A large balloon cost $5. Write an algebraic expression for the cost of x small balloons and y large balloons. What is the answer?

*November 2, 2015*

**algebra2**

Use the four functions below for this question: f(x) g(x) h(x) j(x) Jesse got $5 from his dad and he makes $2 each time he walks the neighbor's dog. x g(x) –2 –1 2 –9 6 –17 j(x) = 2x – 5 Compare and contrast these four functions using complete ...

*November 1, 2015*

**physics**

Car A is travelling at 22.0 m/s and car B at 29.0 m/s. Car A is 300 m behind Car B when the drive of car A accelerates his car with an acceleration of2.4 m/s2. How long does it take Car A to overtake Car B?

*June 27, 2015*

**science**

How would the ecosystem’s carrying capacity for a species change, if the species cannot adapt to changes of habitat?

*May 19, 2015*

**science**

What can happen to an animal species if it cannot adapt to changes taking place in its habitat?

*May 19, 2015*

**Social Studies**

Compare and contrast the climates of the mainland and the islands of Southeast Asia

*May 18, 2015*

**Science**

are animal species just any kind of animals.

*May 15, 2015*

**Social Studies**

Thanks so much for the info!

*April 21, 2015*

**Social Studies**

D?

*April 21, 2015*

**Social Studies**

Beginning in the 1600s, the Tokugawa shoguns who ruled Japan tried to maintain stability and order by A. increasing trade with Europeans. B. conquering nearby countries to creat barriers to invasion. C. developing a new style of writing that was not related to the earlier form...

*April 21, 2015*

**everglades**

Polygon ABCD is reflected and dilated to give polygon PQRS. The coordinates of the preimage are (2, 2), (6, 8), (12, 8), and (16, 2). The coordinates of the image are (11, 15), (9, 12), (6, 12), and (4, 15). What is the scale factor of the dilation? 0.25 0.33 0.5 0.75

*April 15, 2015*

**math**

A rectangular piece of construction paper is 11 inches long and 8 inches wide. How could it be cut to make a rectangle that has an area of 32 square inches?

*April 7, 2015*

**Psychology**

Within each Gene element of DNA are arranged in a particular proteins, this code effect every aspect of the body from structure to chemical and keeps it running process describes what?

*March 17, 2015*

**math proportions**

At a certain time of the day, a 5 foot 1 inch woman casts a 3 foot 4 inch shadow. How tall is a nearby tree that casts a 12 foot 10 inch shadow at the same time of day? Answer in ...

*February 26, 2015*

**CHEMISTRY**

What should be observed during titration? My answer: We observe the change in color and change in turbidity of the sol'n. Am I right? Please add more things to be observed during titration. THANK YOU!

*February 23, 2015*

**CHEMISTRY**

Cite three methods of analysis of a substance from a given sple by titrimetric method of analysis. My answer is: -direct method -indirect method -back titration method Is it right??

*February 23, 2015*

**physics**

Joel is walking down a street and sees a 115 ft tall building in front of him. He stops 190 feet from the base of the building at the tip of the building's shadow. Round answers to three decimal places.

*February 22, 2015*

**science**

m=0.0045kg E=3.6 J for .13m compression T=? Vm @ .05m from equilibrium= ? P.E.= .5KA^2 therefore find K=F/x (.0045x9.8)/(.13) K =.34N/m T=2pixsprt(m/K) T= 2xpi x sprt (.0045/.34) T= .72 secs B) E=PE+KE 3.6= .5 (3.4)(0)^2 + .2 (.0045)(v^2) v^2=1600 v=40

*February 5, 2015*

**LA Check please**

Thank you

*January 30, 2015*

**LA Check please**

which is the best paraphrase of these lines from "January"? Fat Snowy Footsteps Track the floor, A)Thick, snowy footprints show where animals walked B)Thick, snowy outlines of feet mark the floor ****** C)Large snow boots lie on the floor of the house D)A fat, snowy ...

*January 30, 2015*

**algebra 2**

Robert loves to dive . he joined the diving team . the diving board is feet above the water . if he jumps off the diving board as high as he can ( 10ft/s ) .how high above the water does he get ? and how long is he in mid air before he hits the water ?

*January 27, 2015*

**Algebra**

Question Part Points Find the monthly payment for the loan. (Round your answer to the nearest cent.) A $118,000 home bought with a 20% down payment and the balance financed for 30 years at 10.5%

*December 21, 2014*

**College Algebra**

The perimeter of a rectangle is 50 inches, and the area is 126 square inches. Find the length and width of the rectangle.

*December 10, 2014*

**math**

what is 1 7/9-4/9 express the answer in simplest form

*December 5, 2014*

**math**

David has a hose that is 27 ft long. He wants to cut it into two pieces so that the longer piece is 3 ft more than 2 times the length of the shorter piece. How long will each piece of hose be?

*October 27, 2014*

**Health JUST NEED ANSWERS CHECKED :)**

these are right

*October 21, 2014*

**Chem**

Suppose that you start with 1000000 atoms of a particular radioactive isotope. how many half-lives woruld be required to reduce the number of undecayed atoms to fewer than 1000?

*October 20, 2014*

**Chemistry**

Suppose that you start with 1000000 atoms of a particular radioactive isotope. how many half-lives woruld be required to reduce the number of undecayed atoms to fewer than 1000?

*October 20, 2014*

**Chemistry**

Po-210 Ia an alpha emitter with a half-life of 138 days. how many grams of Po-210 remain after 552 days if the sample initially contained 5.80g of Po-210?

*October 20, 2014*

**science**

if the trend in the graph continues through the summer, what would you expect the average high temperature in Louisville, Kentucky, to be in august? A. 66 degrees F B. 83 degrees F C. 103 degrees F D. 125 degrees F please help!

*October 9, 2014*

**human relations part**

Strong feelings

*October 8, 2014*

**ela poems**

Tree at my window, window tree, My sash is lowered when night comes on; But let there never be curtain drawn Between you and me. Vague dream-head lifted out of the ground, And thing next most diffuse to cloud, Not all your light tongues talking aloud Could be profound. But, ...

*August 20, 2014*

**GEN 499**

My theme is underage drinking...can someone explain this to me Explain how academic knowledge impacts the social elements and institutions of both local and global communities. Assess how the principles of active citizenship could impact the contemporary issue during the next ...

*August 6, 2014*

**health**

Mary Happens is an 82-year-old Hispanic patient who has been admitted to the hospital. She has Medicare and Medicaid. What demographic factors should be considered in providing this patient health care? What is the effect of culture on prevention and use of alternative remedies?

*June 18, 2014*

**Physics 20**

1. How much heat energy is required to change 500 grams of water at 100 degrees Celsius to steam at 100 degrees Celsius

*June 8, 2014*

**Test and Measures**

not sure what you mean. That is all the information for the question.

*May 29, 2014*

**Test and Measures**

In a sample of students, the average score on an assessment was 65. This individual obtained a z score of 0. What test score did he receive?

*May 29, 2014*

**geometry**

In triangle GHJ, GH=32, HJ=63, and m<G=125. To the nearest then, what is <J?

*March 27, 2014*

**Geometry**

Write a rule in function notation to describe the transformation that is a reflection across the y-axis. A. Rx-0(X,Y) B. Ry-0(X,Y) C. Ry-x(X,Y) D. Rx--1(X,Y)

*March 27, 2014*

**POL 201**

For Max Weber, the bureaucracy was the highest form of rationality because

*December 26, 2013*

**language arts**

The italicized words make up which type of verbal phrase? Turning the corner, Kate bumped into David. A. Split infinitive B. Gerund C. Infinitive D. Participial

*December 23, 2013*

**5th grade math**

wow

*December 1, 2013*

**history**

Which laws attempted to restrict speech that directly criticized the government

*October 3, 2013*

**solid mensuration**

What is the area of a section bounded by a closed elliptical figure whose major and minor segments measure 60 m and 40 m, respectively?

*August 19, 2013*

**composition 2**

Ok, Thanks

*August 1, 2013*

**composition 2**

1. Explain why you think it is important to put observations in writing. How can observation enrich our writing? 2. At what point could making and observation halt or obstruct the writing process, and why?

*August 1, 2013*

**math**

f=795.8 c=0.o10 what is l

*May 27, 2013*

**Trig**

csc thea= -2, quadrant 4. what are the six trig functions?

*May 6, 2013*

**Grammar Please Help!!**

Last night, Jason introduced me to a friend of his. Whose hair was all the way down to the back of his knees in a single dreadlock.

*May 2, 2013*

**algebra 1**

Thelma wants to find the equation of a line that passes through the point (2, 2) and is perpendicular to the line Which equation best represents Thelma's equation?

*April 29, 2013*

**english**

what do i capitalized in this sentence.john grisham is the author of "the street lawyer".

*April 23, 2013*

**english**

which words should be caoitalized in this sentence st. patricks day is on march 17 every day.

*April 23, 2013*

**sciology college course**

.8505

*April 14, 2013*

**Chemistry**

titration of a 50.00mL of KOH required 175.00mL of 0.0150M acetic acid, what is the Molarity of KOH solution

*April 8, 2013*

**Gen English**

Ok im still confused in the poem dreams by langston hughes describe how the poem is structured, or arranged in lines and stanzas.

*April 1, 2013*

**Gen English**

In the poem Dreams by Langston Hughes, Describe how the poem is structerd,or arranged in lines and stannnzas.

*April 1, 2013*

**physics**

thank you

*April 1, 2013*

**physics**

If the specific heat of water = 4190 J/kg /°C and a total of 120g of hot water at 95°C is poured into the calorimeter, resulting in a final equilibrium temperature of 73°C, how many joules of heat are lost by the water? 11061.6 If the specific heat of copper = 390 ...

*April 1, 2013*

**physics**

If the water had lost 12000 joules and the calorimeter gained 1300 joules as the temperature of both rock and calorimeter increased from 22°C to 73°C and the mass of rock in the calorimeter was 185 grams, what is the specific heat, c, of the rock material?

*April 1, 2013*

**math**

find the volume of a square pyramid. Round to the nearest tenth(slant height=20 base=13)

*March 18, 2013*

**Math/209**

Dimensions of a Box A box is made from a rectangular piece of metal with length 50 inches and width 40 inches by cutting out square corners of length x and folding up the sides. (a) Write an expression that gives the surface area of the inside of the box. (b) If the surface ...

*March 12, 2013*

**General English Part 11**

Describe how the poem is structured, or arranged in lines and stanzas.

*March 9, 2013*

**Exam: 986109RR - CHOOSING YOUR BUSINESS**

I meant to spell question

*March 7, 2013*

**Exam: 986109RR - CHOOSING YOUR BUSINESS**

just answer the freaking qeustions and shut up please and thank you... my mom taught me to be polite :D

*March 7, 2013*

**english**

is always a big name for a little word

*February 20, 2013*

**English Language Arts**

Julius Ceasar: Why does Marullus believe that the citizens should not rejoice in Cesar's conquest?

*February 20, 2013*

**Intermediate reading**

The gist of the lecture is that the United States encourages free trade while many other countries don't ps don't get what u mean by falter it

*February 20, 2013*

**Algebra**

Graph on a number line. 21/2. please help thank-you

*December 16, 2012*

**algebra**

Write a rule for the pattern. -3,-9,-14,-47,-141,.....

*December 16, 2012*

**Biology**

Do you think the Dough will rise the fastest in the sample with the highest , the lowest , or a moderate concentrate of sugra?

*December 13, 2012*

**pre-algebra**

Use algebra tiles to find the difference. Let one white tile equal +1and one black tile equal -1.6-(-9) Thanks

*November 17, 2012*

**pre-algebra**

atoms contain charged particles called protons and electrons. each proton has a charge of +1, and each electron has a charge of -1. A sulfur ion has 16 protons and 18 electrons. find the net charge. Thank-You

*November 17, 2012*

**pre- algebra 1**

Jose has 9 more comic books than Robin.Robin has 5 more comic books than Lee. If jose has 23 comic books,how many comic books dose Robin have? How many comic books dose Lee have?

*November 17, 2012*

**pre- algebra 1**

@ PsyDaG, Thanks for your help. and understand i did not know i posted the same question twice any one can make a mistake. I was'nt trying to make anything go any faster.

*November 17, 2012*

**pre- algebra 1**

Jose has 9 more comic books than Robin.Robin has 5 more comic books than Lee. If jose has 23 comic books,how many comic books dose Robin have? How many comic books dose Lee have?

*November 17, 2012*

**pre- algebra 1**

Solve the inequality. 42<-6d

*November 17, 2012*

**Pre- Algebra 1**

Graph the solutions of the inequality on a number line. c<5

*November 17, 2012*

**Chem Electron Config**

A 10.0-g sample of C2H5OH is burned completely in air. How many molecules of H2O are formed? 3.92×1023 *How many grams are formed?* did anyone figure out how to get the grams of H2O formed?

*October 18, 2012*

**Chem Electron Config**

S2- Cu+ Sn2+ O2- A 1s22s22p63s23p63d10 B. 2s2 C. 1s22s22p63s23p4 D. 1s22s22p63s23p63d104s1 E. 1s2 F. 1s22s22p63s23p64s23d104p65s24d10 G. 1s22s22p63s23p64s23d104p64d105s25p2 H. 1s22s22p4 I. 1s22s22p6 J. none of the above Choose from the list the correct electron configurations ...

*October 18, 2012*

**Social Psychology**

Can someone give me examples of some Alpha Strategies and Omega Strategies? Note:I just need to get some ideas. My textbook have 2 Tables by (Knowles & Linn, 2004) which did NOT help much.

*October 18, 2012*

**chemistry**

which will make you wealthy one mole of pennies (6.02e23 pennies) or one mole of Au atoms(6.02e23 atoms)?

*October 9, 2012*

**chemistry**

How much in $ is one MOLE of pennies?

*October 9, 2012*

**chemistry**

What two conditions necessary for molecules to be polar? Her's my answer pls check. First, at least one covalent bond in the molecule has to be a polar covalent bond. For a bond to be polar, there must be a difference in the electronegativities of the two atoms that are ...

*October 5, 2012*

**chemistry**

What is the complete ionic equation for the double displacement reaction: CuNO3(aq) + K2S(aq)= what is the chemical name and formula of this chemical reaction? plsss. need help

*October 3, 2012*

**Chemistry**

Would you expect a chemical change to be always accompanied by a physical change? Explain?

*October 3, 2012*