# Posts by anonymous

Total # Posts: 106,878

**Chemistry **

What is the oxidation state of Fe in Fe(CO)5

*January 18, 2017*

**math**

A family ticket costs Rs 25 would it be cheaperfor a family of two adults and two childern to buy a family ticket?

*January 18, 2017*

**math **

i wanted to get the answer for (5-2*.5)(4-2*.5)(63) but am confused

*January 18, 2017*

**Calculus Answer Check**

A particle moves along a line so that its position at any time t >= 0 is given by the function -t^3 + t^2 + 5t + 3, where p is measured in feet and t is measured in seconds. 1. Find the displacement during the first four seconds. My answer: 75 ft 2. Find the average ...

*January 18, 2017*

**Basic algebra**

jenelle makes $7.25 an hour at the flower shop write an inequality to find out how many hours you was work to earn at least $125 how do you want does the word step-by-step

*January 17, 2017*

**Basic Algebra**

jenelle makes $7.25 an hour at the flower shop write an inequality to find out how many hours you was work to earn at least $125

*January 17, 2017*

**Please help**

I think its c

*January 17, 2017*

**phisycis**

A coin is placed 14.0 cm from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly increased, the coin remains fixed on the turntable until a rate of 31.0 rpm (revolutions per minute) is reached, at which point the coin slides off. Part...

*January 17, 2017*

**Math**

For an art exhibit, Craig has to choose 3 ceramic mugs out of the 7 that he made over the summer. In how many ways can he arrange these 3 mugs in a row?

*January 17, 2017*

**Math**

10+5=15.crickets . 15+520 ladybugs

*January 17, 2017*

**Math **

Jefff find some bugs. He finds 10 fewer grasshoppers than crickets. He find 5 fewer crickets than ladybugs. If Jeff finds 5 grasshoppers, how many ladybugs does Jeff find? How many crickets does he finding

*January 17, 2017*

**chem**

Hydrogen + chlorine form hydrogen cloride gas Balance it

*January 17, 2017*

**chem**

magnesium hydroxide is added to hydroiodic acid to form maagnesium iodide and water

*January 17, 2017*

**Science**

What is the function that makes hair stand up

*January 17, 2017*

**Math**

If there are 24 students in the classroom and 3/6 are boys. How many boys are in the class

*January 17, 2017*

**Math (help if you know the full test)**

too bad -- failing in typing and spelling, as well...

*January 17, 2017*

**Maths**

Construct a parallelogram ABCD with AB=6cm,CD=4.5cm,and BD=7.5cm.

*January 17, 2017*

**riddle**

tha answr iz lve or land

*January 17, 2017*

**riddle**

the answer is sun ut rises every mrng 2 symbolise a new day

*January 17, 2017*

**riddle**

I think the answer is the art of tattooing. It was there in the past where it was used to identify different tribes and in the present time it's a new style of fashion and lifestyle.

*January 17, 2017*

**riddle**

Salvation

*January 17, 2017*

**riddle**

fashion..it recurs from generation to generation..for example,boyfriend shoes were worn in 1980's and today they're back on fashion

*January 17, 2017*

**Math**

The sides of two squares are 4cm and 6cm. Find the ratio of their areas and their perimeters.

*January 17, 2017*

**math;);)**

The diameter of a spherical grapefruit is 6.0 inches. An amateur fruit slicer misses its center by one inch. What is the radius of the circular slice?

*January 16, 2017*

**6th grade alg**

What do you mean by "3 different ways to write each value and exponent"? Does it mean this: 3^4 9^2

*January 16, 2017*

**health and physical education**

Using the excitement of violence to keep video games users to playing their games is an example of which risk factor? A. poverty B. family violence C. media violence D. availability of weapons

*January 16, 2017*

**Reading**

Thank you so much! I have a hard time making inferences

*January 16, 2017*

**Reading**

The Finish of Patsy Barnes Why does the doctor speak to Eliza Barnes in an unfeeling way?

*January 16, 2017*

**mystery**

wrong

*January 16, 2017*

**math**

if n veries inversely as (y^2-1) and is equal to 24,when y=10. then find the value of n, when y=5

*January 16, 2017*

**Social Studies**

Your second question is actually C, like you though. Ms. Sue was wrong. Dependance on oil is the answer. 3 is also wrong. It is not D, it is C as well. The answer to 3 is: Some have absolute power, and some have limited power.

*January 16, 2017*

**Math**

How do you solve 6x + 12 + 2cosx = 0?

*January 16, 2017*

**maths**

In apair of suplementry angles one is three and a half times the other find measurement

*January 16, 2017*

**Math**

a rectangle of board measures 21 m by 70 cm. Circular plates are to be cut from the board of diameter 14 cm. how many plates and board is left

*January 16, 2017*

**Science**

What are some ideas for experiments on a dripping faucet?

*January 16, 2017*

**math**

After travelling 3/8 of the distance between two cities a bus is still 12km short of half way. How far apart are the two towns?

*January 15, 2017*

**Algebra**

Find four numbers that form a geometric progression such that the third term is greater than the first by 12 and the fourth is greater than the second by 36.

*January 15, 2017*

**Chemistiy**

Complete & Balance the Equation: i) Zn + Cu(NO3)2 -> ii) Ag + Mg(NO3)2 -> iii) Al + HNO3 -> iv) Mg + Fe(NO3)2 -> My Answers: i) 2 Zn + Cu(NO3)2 -> Cu + 2 ZnNO3 ii) Ag + Mg(NO3)2 -> No RXN iii) Al + HNO3 -> Al(NO3)3 + NO + 2H2O iv) Mg + Fe(NO3)2 -> Mg(...

*January 15, 2017*

**chemistry**

45 ft by 62 ft = 15 yards by 20.67 yards A = LW A = 310.05 square yards 310.05 * 21 = 6511.05 Therefore the carpet will cost $6 511.05

*January 15, 2017*

**Chemistry**

Calculate enthalpy of the reaction ethene+hydrogen gives ethane are -1410KJ,-286kJ and -1560KJ respectively at 25°c

*January 15, 2017*

**Math**

Sheena is now one third of her father's age.Twelve years hence she will be half as old as her father.Find their present ages??

*January 15, 2017*

**geography**

What is the difference between lind and unlined canal

*January 15, 2017*

**Algebra**

What is the formula for the nth term of this sequence: 2, 6, 12, 20...

*January 14, 2017*

**Algebra**

What is the formula for the nth term of the following sequence: 1, 4, 9, 16....

*January 13, 2017*

**bearings **

PQRS are four locations on the same horizontal plane Q is an bearing of 041 degree from P and the distance is 40km,S is 28km from R on a bearing 074 degree, R is directly due north of P and the distant between Q and R is 38km. Find to the nearest whole number a. the bearing of...

*January 13, 2017*

**Social Studies**

ms.Sue could you help me next.

*January 13, 2017*

**stuff**

When Morganâ€™s dad returned from the store, he went for a jog. He jogged for 1 hour and 15 minutes at a pace of 4.8 miles per hour. How far did he jog?

*January 13, 2017*

**math**

Ms.Sue please help me.

*January 13, 2017*

**math**

please help me.

*January 13, 2017*

**math**

somebody please help me now this before 2:15 P.M TODAY!!!!!!!!!!!!!!!!

*January 13, 2017*

**math**

In a proportional relationship, why must the graph of the line always go through the origin (0,0)?

*January 13, 2017*

**Social Studies**

I need help with The Early Republic, Lesson 6 Monroe's Presidency in American History.

*January 13, 2017*

**social studies**

Their emotional readiness some young couples don't think their capable or ready to take care of a child they want to be ready emotionally inclined

*January 13, 2017*

**Science **

Has anyone took the Structures and Properties test for 8th grade. I'm a student at connections and I need help.

*January 13, 2017*

**Math**

tHE SUM OF THREE NUMBERS IS 75. THE SECOND NUMBER IS 5MORE THAN THE FIRST AND THE THIRD IS THREE TIMES THE SECOND. FIND THE NUMBERS.

*January 13, 2017*

**Maths**

How much will it cost for 14 sq metres of carpet at £18 a yard

*January 13, 2017*

**Math - Algebra**

"in the first ----> 12 + 41 = 30" Sorry if this sounds dumb, but where does the 12 come from?

*January 13, 2017*

**Math - Algebra**

Six small marbles and four large marbles have a combined weight of 30 g, whilst seven small marbles and two large marbles have a weight of 23 g. Find the weight of a large marble. Can someone help me create the equation? Thanks.

*January 13, 2017*

**math**

The difference between two numbers is 11 and twice the smaller number, minus four, equals the larger number. Find the two numbers.

*January 13, 2017*

**math**

300 bees have enough honney supplies to last 9 months. They are joined by 150 bees whose hive has been destroyed by a storm. How long will the honey supplies last now?

*January 13, 2017*

**Physics**

the engineer of a passenger train traveling at 100 ft/sec sights a freight train whose caboose is 600 ft ahead of the same track. The freight train is traveling in the same direction as the passenger train with a velocity of 30 ft/sec. The engineer of the passenger train ...

*January 13, 2017*

**AP Physics 1 **

A 1400 kg car is moving westward with a speed of 12 m/s, and a 3600 kg truck is traveling east with a speed of 27 m/s. Find the velocity of the center of mass of the system. Answer in units of m/sˆ

*January 13, 2017*

**math**

4336677

*January 12, 2017*

**math;););)**

sorry it's formatted weirdly

*January 12, 2017*

**math;););)**

Previously you found that a 15-degree counterclockwise rotationcenteredat(2,1)sendsthepoint(4,6)toanother point (x, y) ? (2.638, 6.347). The diagram on the right shows the vector v in the same direction as vector [2,5], only with a di?erent length. Similarly, the vector u is ...

*January 12, 2017*

**math**

I got 2.109 instead of 3.253 but thanks for helping me! It must've taken you a long time to type all of that.

*January 12, 2017*

**math**

can someone plz help me?

*January 12, 2017*

**math**

Let A = (0,0,0), B = (9,8,12), and C = (6,2,3). Find coordinates for the point on line AB that is closest to C.

*January 12, 2017*

**PLEASE ANSWER! I NEED HELP**

Question: Suppose you have sunlight shining on two clear containers of water on a table. Light waves refract through one of the containers but diffract around the other container. Describe how the two containers are different. A link would be useful too, or a website! (I have ...

*January 12, 2017*

**PLEASE ANSWER!!**

Sorry, but we did not discuss in class, we only used a book and I've never learned about waves before.

*January 12, 2017*

**PLEASE ANSWER!!**

Predict: How resonance can cause earthquakes to do greater damage to some buildings than others. Analyze: If two astronauts were able to go on a space walk without wearing suits. Explain why they would not be able to talk to one another. Describe: How could you use ...

*January 12, 2017*

**Science**

What is the kinetic energy of a soccer ball which has a mass of 4 kg and is kicked at a velocity of 10 m/s?

*January 12, 2017*

**physics**

a skateboarder with mass 75 kg is riding their skateboard of mass 8 kg at 1.5 m/s. If they decide to jump off sp that their body has no horizontal movement in the air before landing, how fast must the skateboard be moving after they separate

*January 12, 2017*

**Math**

if I run the 400 meter dash in 14.5 seconds. What is my speed in meters per second

*January 12, 2017*

**Waves (8th Grade)**

Predict: How resonance can cause earthquakes to do greater damage to some buildings than others. Analyze: If two astronauts were able to go on a space walk without wearing suits. Explain why they would not be able to talk to one another. Describe: How could you use ...

*January 12, 2017*

**Physical Science**

Question: Suppose you have sunlight shining on two clear containers of water on a table. Light waves refract through one of the containers but diffract around the other container. Describe how the two containers are different. (I have to write three lines, it's not a lot...

*January 12, 2017*

***English**

Sorry hit enter before i was done. ... comparing Oedipus Rex,Hamlet, King Lear and Death of a Sales men I say they are the same. a tragedy for a rich person is no different compared to a poor person except the fact that for a rich person it affects more people. However, i am ...

*January 12, 2017*

**Engli**

How is the tragedy of a rich and powerful person different than that of a poor and powerless person?

*January 12, 2017*

**Math**

Kaya pasted 3 rows of photos on each of 5 pages of her scrapbook. She put 2 photos in each row. How many photos are in Kaya's scrapbook?

*January 12, 2017*

**Calculus**

Find the derivative of the function to the velocity function, and plug in 2 for t.

*January 12, 2017*

**Physical science **

two forces of 5N and 12N respectively act on the same point.show how you would determine the magnitude of the resultant by using the tail to head and tail to tail methods and Pythagoras theorem

*January 12, 2017*

**SS**

Hint: the main words behind the ruling were "separate but equal."

*January 12, 2017*

**Physics**

For part two, I think they are referring to the energy it takes to convert liquid water from 100 degrees to boiling water at 100 degrees (latent heat). I understand the first part now.

*January 12, 2017*

**Physics**

You and another person go to the museum and decide to take a look at an exhibit that has a bike with an attached heating coil/generator. The coil is placed in a tank of water at 20 deg C. Peddling makes the coil increase the energy of the water. The goal is to make the water ...

*January 12, 2017*

**sdsdd**

box contains 100 bolts of which 9 are defective. Find the probability that a bolt chosen at random is not defective.

*January 12, 2017*

**4th grade math**

Rhonda bakes p pies Mary bakes 3p pies If together they bake 20 pies, how many pies does Mary bake

*January 12, 2017*

**Physics**

An object is 10 mters long and has a weight of 125N. The weight of the object is determined by the expression, 250N= a10m+B kg/m. What are the units of a and B

*January 11, 2017*

**Physics **

What is the period of a wave that travels through a spring at 2.5 m/s and has a wavelength of 1.3 meters?

*January 11, 2017*

**Math, Algebra, **

Help! I can't understand or find out the answer, I tried but I keep getting lost! George rides a cab to work 3 days a week. He pays $3.50 for the cab to pick him up. He pays an additional fee for each mile driven. In one week, George paid $35.25. If he rides 11 miles each ...

*January 11, 2017*

**Math**

In a triangle ABC,AB=5cm,BC=12cm,angle ABC=90Â°calculate 1)the length of AC. 2)the area of the triangle 3)the length of the perpendicular from B to AC

*January 11, 2017*

**Math, Algebra**

Can you please help me! I solved it, but I'm not sure if I'm right. ------------------------------ Paulo pays $45.99 per month for unlimited calls, with additional charges for text messages. His bill for 4 months is $207.96. If he sends 100 texts each month, how much ...

*January 11, 2017*

**math**

Hoshi walks10 meters in 3 seconds.what is her rate.

*January 11, 2017*

**Social Studies**

is number 2 a or d?

*January 11, 2017*

**Social Studies**

Is that right ?^^

*January 11, 2017*

**JUST PLAIN EASY**

JNISGKDHTA IHS ANWHEMSHOGMTE ANM IG WJRNOGNUG Rule: every other letter start at the beginning at each word

*January 11, 2017*

**Social Studies**

ABD is right

*January 11, 2017*

**math**

1. In the middle of the page, draw two vertical lines an inch long, an inch apart, and that are parallel to each other. 2. About a half inch below the lines, draw a half-inch horizontal line that is centered between the lines. 3. Draw a line from the bottom of the left ...

*January 11, 2017*

**Social studies**

*not @Reed

*January 11, 2017*

**math**

A number X is 3 times greater than the number Y, and Y is 3 times greater than Z. If the sum of Y and Z is equal to 50, what is the value of X? Please show working out, thanks.

*January 11, 2017*

**math;););)**

Apply the 57-degree counterclockwise rotation about the origin to the vectors [1, 0] and [0,1], then use the image vectors (written as columns) to form the coe cient matrix M for the rotation. Test M by calculating the products M[1] [0] and M[0] [1 ]. Where does this rotation ...

*January 11, 2017*