Sunday

February 7, 2016
Total # Posts: 91,285

**Math**

16/64
*January 23, 2016*

**Chemistry **

6g of metal M react completely with 23.66g of chlorine to form 29.66g of the metallic chloride. Find the empirical formula of the metallic chloride. (M=27,Cl=35.5)
*January 23, 2016*

**math **

A circular flower bed is surrounded by a path 4m wide . the diameter of the flower bed is 66m . what is the area of this path
*January 23, 2016*

**math**

Use the Pythagorean theorem, which states a^2 + b^2 = c^2, where c is the hypotenuse. sqrt(9^2 + 12^2) =sqrt(81+144) = sqrt(225) = 15 Then it is 15cm. Btw, what do you mean with anglec=45? The sum of the inner angles in a triangle is 180, and if it is right, then 1 angle is 90...
*January 23, 2016*

**Maths whole number.**

x is the number of childs, and y is the number of adults. Then 4x+8y = 380 y = x + 10 Solve the system 4x + 8(x+10) = 4x + 8x + 80 =380 => 12x = 300, then x = 300/12 = 25. y = x + 10 = 35 35 adults
*January 23, 2016*

**math**

A bag contains 15 green ,12 red, 11 blue,10, yellow,8 black and 4 white balls what is the minimum number of balls that at least 9 balls of the same color are there
*January 23, 2016*

**Chemistry**

Are the atoms in stearic acid and ammonia held together by covalent bonding?
*January 22, 2016*

**Chemistry**

What is the equation for the reaction between stearic acid and ammonia?
*January 22, 2016*

**History**

A one-page letter to be sent to both the Cuban and the U.S. governments in which you explain why they should encourage American tourism in Cuba. Be sure to explain how both countries can benefit from this cultural exchange and how it will help the Cuban economy (and why that ...
*January 22, 2016*

**Math**

A rectangular solid has sides of 7 cm, 9 cm, and 11 cm. What is its surface area?
*January 22, 2016*

**World History**

I need the differences between the 21st century and the 19th century for the following areas: education, legal rights, and family. You don't have to give me the answer i just need a website I want to be able to get it on my own I am not good at researching things though.
*January 22, 2016*

**Math**

what is the measure of an angle that is 8 degrees less than 3 timess its supplement???
*January 22, 2016*

**ONE english question???**

12. Read the following lines from the poem "Africa." Impetuous son that tree young and strong That tree there In splendid loveliness amidst white and faded flowers That is Africa your Africa That grows again patiently obstinately And its fruit gradually acquires The ...
*January 22, 2016*

**Algebra **

katie is k years old. harry is 4 years older than katie. rachel is twice as old as harry. if you add together the ages of katie, harry, and rachel the total comes to 36 years. algebraically, determine the age of each person
*January 22, 2016*

**reading**

below is the last stanza of a poem, " dover beach," written in 1876 by matthew arnold
*January 21, 2016*

**English Check please**

Ravenous and cavernous italicized meaning is
*January 21, 2016*

**Science**

8.66x10^7 km. (3.00x10^8 m/s
*January 21, 2016*

**mathu**

a rectangular photo frame is 28 inches tall and has an area of 280 square inches how many wide is the photo frame
*January 21, 2016*

**Math**

how do u get the 16 because 1 cup equals 8 fluid ounces
*January 21, 2016*

**Math**

Convert the rate 1000 fluid ounces per 2 hours to cups per minute. Please help, i have a test in 3 days!!!
*January 21, 2016*

**Art**

1.d 2.c 3.a 4.a I got a 100%. I swear! :)
*January 21, 2016*

**language arts**

what is the answer ?
*January 21, 2016*

**Chemistry **

Ln(P2/p1)=ln(-delta Hvap/R)•(1/T1-1/t2) I have ammonia at normal boil with a temp at 39.2C find the Hvap
*January 21, 2016*

**Math**

Turner measures 3/4 foot of ribbon for a costume.He needs 9 pieces of ribbon with that same length. Fill in the blanks to complete an equation that turner can use to find the total length of ribbon that he needs, in feet
*January 21, 2016*

**math**

water has a chemical formula h2O which means each molecule of water contains two atoms of hydrogen one atom of oxygen if oxygen atom has a mass 16 times as much as the hydrogen one .what are the propotions of oxygen and hydrogen in 2kkg of water
*January 21, 2016*

**Math help!!!**

larry wants to go from his house to his house to his grandmother's house. how much distance is saved if the takes main street instead of market and exchange?
*January 20, 2016*

**Math**

I can't get the right value. I know the answer is supposed to be 0.04648 but I'm not getting it from the graph.
*January 20, 2016*

**Math**

How do you figure out x? -0.00996 - 0.4012x - 3.9712x^2 + 1.08x^3 = 0
*January 20, 2016*

**Physical Education**

When playing doubles in Badminton which player returns the birdie on a serve?
*January 20, 2016*

**Math**

All of the water from a full cylindrical tank is drained into a rectangular aquarium. The cylinder has a height of 50cm and a diameter of 30cm. How deep is the water in the aquarium, if it has a rectangular base measuring 40cm by 20cm.
*January 20, 2016*

**Physical Education**

What are 5 differences between badminton and pickleball?
*January 20, 2016*

**Pre-calculus**

A rectangular package to be sent by a delivery service can have a maximum combined length (y) and girth (perimeter of its cross section) of 300 inches. Assume that the width and height are the same (x). Find the equation for the volume of the box in terms of x alone as an ...
*January 20, 2016*

**Pre-calculus**

A rectangular package to be sent by a delivery service can have a maximum combined length (y) and girth (perimeter of its cross section) of 300 inches. Assume that the width and height are the same (x). Find the equation for the volume of the box in terms of x alone as an ...
*January 20, 2016*

**Poetry 7 - Help!**

1, could it be c? 4, could it be a?
*January 20, 2016*

**Business Math**

Raimo borrowed $760 from Chris on October 10 and agreed to repay the debt with simple interest at the rate of 4.4% on May 11. How much interest was owed on May 11? Assume that February has 28 days. (Round your answer to the nearest cent.)
*January 20, 2016*

**Physics**

Can you put the second displacement equation in a better form? Im not understanding what to multiply and divide (add more parentheses).
*January 20, 2016*

**Physics**

You're sailboarding at 7.0 m/s when a wind gust hits, lasting 6.3 s accelerating your board at 0.51 m/s2 at a 35∘ to your original direction. a) Find the magnitude of displacement during the gust. b) Find the direction of your displacement during the gust.
*January 20, 2016*

**MAth**

A cylinder has a volume of 300 Pi cubic meters What is its Height
*January 20, 2016*

**Pre-Calc**

Find the exact value of sin345 degrees using a sum or difference formula. I got (-sqrt6 + sqrt2)/4. Is this right?
*January 20, 2016*

**Math **

Factor the following problems X^2+X-42=0 2x^2+7x+3=0
*January 20, 2016*

**educational and tecnology**

a
*January 20, 2016*

**math**

In 2006 an agency spent $200.00 to buy pencils at a cost of $1.00 a dozen. If the agency used 3/4 of these pencils in 2006 and used the same number of pencils in 2007, how many MORE pencils did it have to buy to have enough pencils all of 2007?
*January 20, 2016*

**Physics **

In what ratio the mass 4m should split so that value of gravitational force comes Maximum for a fix distance d between the masses?
*January 20, 2016*

**statistics**

A customer service division of a telecommunications firm receives 100 mobile phones for repair on a particular week. 18 of the phones are less than a year, 60 phones are more than a year but less than 2 years and the rest are older than 2 years. The company provides warranty ...
*January 20, 2016*

**Pre-Calc**

But doesn't sinØ also equal cosØ at 225 degrees?
*January 19, 2016*

**Pre-Calc**

How do I write sin(arcsinx + arccosx) as an algebraic expression?
*January 19, 2016*

**Pre-Calc**

How to simplify secx(sinx/tanx)?
*January 19, 2016*

**math**

The manufacturer of a reclining lawn chair would like to have the chair positioned at the following angles: 105,125,145,165 and 175. Sides AC are 75cm AB are 55 cm Determine length of BC which the ^ angles
*January 19, 2016*

**Chemistry**

the second line equals 0
*January 19, 2016*

**Chemistry**

0.040 = (.1+2x)^2 / (.1-x)(.1-3x)^3 -.00996-.4012x-3.9712x^2+1.08x^3 I'm not sure how to solve for x. I got the chemistry correct
*January 19, 2016*

**Chemistry**

Calculate the equilibrium concentrations of N2, H2, and NH3 present when a mixture that was initially 0.10M N2, 0.10 M H2, and 0.10 M NH3 comes to equilibrium at 500 degrees C. N2(g) + 3H2(g) <--> 2NH3(g) Kc = 0.040 (at 500 degrees C) I'm getting confused with the math.
*January 19, 2016*

**history**

what actions did Hitler take in Austria and Czechoslovakia
*January 19, 2016*

**Health and science**

Explains the science, technology, engineering and/or mathematics behind a solar cooker that work day and night and how could a solar cooker that works day ajd night both address the everyday problems and have a broader impact locally or globally.
*January 19, 2016*

**Algebra help**

Inga starts with K kitkat bars.She buys 5 more,and then gives half to her best friend.She finally eats 2 of them herself.she ends up with ________ bars
*January 19, 2016*

**Math functions**

The manufacturer of a reclining lawn chair would like to have the chair positioned at the following angles: 105,125,145,165 and 175. B / 0 . / . 55 / . / . / . A/________________.0C 75 Determine the position of the notches(0) on BC that will produce the required angles
*January 19, 2016*

**Math**

That is true because negative divided by negative is always positive which will always be greater than 0. So you can write any two division problems and they will both be greater than 0.
*January 19, 2016*

**Math**

Carson said that when you divide two negative decimals the answer will be greater than 0. Use these numbers to answer the questions: –7.2, –2.4, –1.6, –0.8 Is Carson’s statement always true, sometimes true, or always false? Write two equations to ...
*January 19, 2016*

**math**

Four cards from a standard deck of playing cards are randomly dealt to you. Find the probability that you are dealt exactly 3 aces.
*January 19, 2016*

**Math**

John stated that when you add an even and an odd integer the answer will be odd. Use these numbers to answer the questions: –13, –8, 16, 23, –7 Write a rule for adding an even and an odd integer.
*January 19, 2016*

**math**

John stated that when you add an even and an odd integer the answer will be odd. Use these numbers to answer the questions: –13, –8, 16, 23, –7 Is John’s statement always true, sometimes true, or always false? Write two equations to support your answer.
*January 19, 2016*

**math**

there were 70 cars and trucks. there are 50 cars and the rest are trucks. how many more cars than trucks.
*January 19, 2016*

**art help**

how would i Write out a 4 step plan of action to illustrate how i could work to grow in your area of "weakness called art
*January 19, 2016*

**French**

How do you say "these are enough" in French? Is "ce sont assez" applicable?
*January 19, 2016*

**educational and tecnology**

No not you u always get the answer wrong
*January 19, 2016*

**educational and tecnology**

Which of the following is a benefit that education simulations do Not provide? A(they use real object that can be physically touched B( They allow you to manipulate the object by turning them virtually C( they use 3-D movement and objects D( they can show shapes used in ...
*January 19, 2016*

**Math**

Thank you. I actually mistyped - the question is what is the rate in miles/min, not how is the rate... but I'll just go with that. I guess it's just not something we see a lot - miles/min.
*January 19, 2016*

**Math**

A car travels 27 miles in 30 minutes. How is the rate in miles/min. I understand I need to divide 27 by 30 and when I do that I get .90, but then how do I correctly label my answer, .9 miles/min? That doesn't seem like an answer that really makes sense for some reason.
*January 19, 2016*

**educational and tecnology**

are u sure
*January 19, 2016*

**educational and tecnology**

how can simulations be used in education A( they allow people to touch a real item through the computer B( they provide a realistic experience that students may not get in real life C( they substitute games for learning D( they make games real
*January 19, 2016*

**Help please**

1) If you had to explain growth mindset to your parents, what would you say or in other words how would you explain growth mindset.
*January 19, 2016*

**Honors Algebra 2**

Insert <, >, or = to make the sentence true. (6) -(10) a. > b. < c. =
*January 19, 2016*

**chem**

What is the value for ∆Soreaction for the following reaction, given the standard entropy values? 2 Al (s) + 3Cl2(g) 2AlCl3(s) a.-503 J/K b.+503 J/K c.-140 J/K d.+140 J/K
*January 19, 2016*

**Geometry**

To find the height of a flagpole Kasey measured her own shadow and the flagpoles shadow. KAsy's height is 5ft 4 inches. The shadow of the flagpole was 14ft and 3 inches and her shadow was exactly 3 ft. What is the height of the flagpole
*January 19, 2016*

**Math**

these marbles are placed in a bag and two of them are randomly drawn what is the probability of drawing two pink marbles if the first one is placed back in the bag before the second draw the bag has 10 marbles.2 yellow.3 pink.5 blue
*January 19, 2016*

**english**

One of the concerns about plastic surgery on adolescents is that their bodies are still maturing. In addition to development that may occur in the late teens. This is why plastic surgery shouldn't be introduced teens this is because they have little knowledge about this ...
*January 19, 2016*

**langauge arts**

if she was she wouldn't talk to people like she is
*January 19, 2016*

**langauge arts**

miss sue is not a teacher
*January 19, 2016*

**Social Studies**

...
*January 19, 2016*

**Social Studies**

...
*January 19, 2016*

**Social Studies**

...
*January 19, 2016*

**Social Studies**

...
*January 19, 2016*

**english**

I consider that cosmetic surgery is a personal option but in some cases it becomes a bad addiction for example having a cosmetic surgery can lead a person thinking to have another surgery because it gave them a nice appearance this is when appearance made help me improve this
*January 19, 2016*

**english**

One of the main reasons for the increase is visibility: today’s teenagers are growing up with parents I disagree with your statement because they don’t get influenced from their parents. this sentence is not correct help me
*January 19, 2016*

**englisf**

What literary device does the following passage employ? "There ain't a foot o'ground she don't know her way over, and the wild creaturs counts her one o' themselves. Squer'ls she'll tame to come an' feed right out o' her hands, and all ...
*January 19, 2016*

**fraction maths**

1 tap can fill a tank in 9 hours, a second in 12 hours alone,what fraction will be filled in 3 hours if both taps are open together
*January 19, 2016*

**Grade 5 math**

At soap and suds there are 16 washing machines in a single row with no space between each one.Each washing machine is 75cm across.Wht is the total length of the 16 washing machines in centimeters and meters?
*January 19, 2016*

**math**

on a map 2/5 inch represents 10 miles. how many miles are represented by one in
*January 19, 2016*

**physics**

A stick is a connection of two same -diameter metal rod 5 cm , and a length of both stick is 0,6m. The thermal conductivity of the first rod 92 cal /s.m.°C , and the second stick 50 cal / s.m.°C . The temperature at the free end of the first rod 100 °C and the free...
*January 18, 2016*

**Math ASAP**

5. 3.75x + 3.7 = 1.7 + 1.75x a) 10 b) –1 c) 1 d) .1 <----------------------------- 8. p + 4 < –24 a) p < –20 <----------------------- b) p < 28 c) p < –28 d) p < 20
*January 18, 2016*

**MATH**

Thank You Ms. Sue
*January 18, 2016*

**MATH**

Is it A?
*January 18, 2016*

**MATH**

9. r/15 ≥ –3 a) r ≥ –45 b) r ≥ –15 <----------------------- c) r ≥ 12 d) r ≥ 45
*January 18, 2016*

**Math ASAP**

6. –9 – 6(w + 5) A) –15w + 5 B) –15w + 30 C) –6w – 39 D) –6w + 21 <------------------- 7. 2x + 3(x – 2) – 3(x – 6) A) 2x + 12 B) 2x – 8 C) 8x – 24 D) 2x – 24 <-----------------------
*January 18, 2016*

**Pre-Calc**

Solve for 0 <= x < 2pi. csc^2 (x) = 4 I know one answer is pi/6. Would the others be 5pi/6, 7pi/6, and 11pi/6?
*January 18, 2016*

**Math Help ASAP**

2. w/4– 4 = 3 a) –4 b) 28 <----------------------------- c) 3 d) 11 3. x/4 + 10 = 14 a) 96 b) 46 c) 16 <----------------------------- d) –16
*January 18, 2016*

**Math ASAP**

4. 3.75x + 3.7 = 1.7 + 1.75x a) 10 b) –1 c) 1 d) .1 <----------------------------- 7. p + 4 < –24 a) p < –20 b) p < 28 c) p < –28 <------------------------ d) p < 20
*January 18, 2016*

**High school mathmetics**

Steve recieves a commission of $500 per sale on the first 4 sales he makes a $600 per sale for the next 6 sales he makes during a month. What is the average commission Steve recieves per sale during a month?
*January 18, 2016*