Sunday

May 29, 2016
Total # Posts: 132

**math**

1.A milling machine has a gear that spins, making one complete rotation counter clockwise every 360 milliseconds. The gear has a tooth with a marker in it as shown in the diagram below. There is a sensor 30mm below the center of the gear as viewed from the diagram that ...
*April 25, 2016*

**Environmental technology**

Calculate the spacing acquired for the water table to drop from the soil surface to a depth of 30cm in a 2 day period over the area of 200hectars from the following data. K=4cm/hr, the drain area to be placed 105cm below the soil surface. The impeameable layer is 195cm below ...
*March 8, 2016*

**Math**

Three years ago, Ava lent her sister $400 to buy some clothes. Today Ava’s sister paid her loan in full with $454. What simple annual interest rate did she pay?
*February 18, 2016*

**math**

Enrique’s parents want to save for his education. On his 12th birthday, they deposit $6,000 in a savings account that pays 5% simple annual interest. What will the balance be when he turns 18?
*February 18, 2016*

**Algebra **

3(x+y)+a(x+y)
*February 15, 2016*

**math**

Sam buys 2 adult tickets and 3 child tickets for $44.40.John buys 3 adult tickets and 6 child tickets for $78.How much does a child ticket and adult ticket cost?
*February 5, 2016*

**Language arts **

Analogy for this broom: sweep: brush Must start with scr, spr, str,through
*January 11, 2016*

**Chemistry**

If you place 1.26 g of solid silicon in a 6.54 L flask that contains CH3Cl with a pressure of 634 mm Hg at 25°C, what mass of dimethyldichlorosilane, (CH3)2SiCl2(g), can be formed?
*December 1, 2015*

**Maths**

A ribbon is to be tied lengthwise and then crosswise around a square based rectangular present leaving an extra 30cm length for a bow. If the volume of the present is 2592cm^3, what is the maximum length of the ribbon required?
*November 23, 2015*

**Chemisty**

the Keq of Mg(OH)2 is 2(10^-11). calculate the concentration of Mg ions in a saturated solution of this compound
*November 19, 2015*

**Chemistry**

A photon with a wavelength of 93.8 nm strikes a hydrogen atom, and light is emitted by the atom. How many emission lines would be observed?
*October 26, 2015*

**Chemistry**

2 NaIO3(aq) + 5 NaHSO3(aq) → 3 NaHSO4(aq) + 2 Na2SO4(aq) + H2O(ℓ) + I2(aq) What is the theoretical yield of I2 if you mixed 16.0 g of NaIO3 with 120 mL of 0.853 M NaHSO3?
*October 4, 2015*

**Chemistry**

Suppose you dilute 20.0 mL of a 0.130 M solution of Na2CO3 to exactly 100.0 mL. You then take exactly 15.0 mL of this diluted solution and add it to a 250-mL volumetric flask. After filling the volumetric flask to the mark with distilled water (indicating the volume of the new...
*October 4, 2015*

**Chemisrty**

What volume of 0.740 M , HCl in milliliters, is required to titrate 2.05 g of Na2CO3 to the equivalence point?
*October 4, 2015*

**Language Arts**

Thanks so much! Really appreciate it.
*September 30, 2015*

**Language Arts**

The Vietnam war memorial needed to be "harmonious" with its surrounding site. In this context, what does harmonious mean? The construction had to be the same as the other monuments visitors would hear peaceful music the memorial had to blend pleasingly with its ...
*September 30, 2015*

**Chemistry**

For the following reaction, 9.91 grams of sulfur are allowed to react with 20.8 grams of carbon monoxide . sulfur(s) + carbon monoxide(g) sulfur dioxide(g) + carbon(s) is the maximum amount of sulfur dioxide that can be formed? What is the FORMULA for the limiting reagent? ...
*September 29, 2015*

**Social Studies**

Thanks!
*September 28, 2015*

**Social Studies**

Which statement best explains why nation-states write constitutions? Constitutions give citizens unlimited powers Constitutions establish nation-states Constitutions allow governments to elect leaders Constitutions help keep government fair Is the answer D?
*September 28, 2015*

**chemistry**

A student determines the zinc content of a solution by first precipitating it as zinc hydroxide, and then decomposing the hydroxide to zinc oxide by heating. How many grams of zinc oxide should the student obtain if her solution contains 38.0 mL of 0.501 M zinc nitrate?
*September 28, 2015*

**Geometry**

I'm trying to solve for y (4y+2) = 2(3y-25) I've gotten as far as y= -26 but i needed to figure out how to make the answer positive
*September 27, 2015*

**Geography**

I'm trying to solve for y (4y+2) = 2(3y-25) I've gotten as far as y= -26 but i needed to figure out how to make the answer positive
*September 27, 2015*

**Social Studies**

Ok, got it, its D, thanks!
*September 22, 2015*

**Social Studies**

According to the declaration of independence, all men have the right to life, liberty, and the pursuit of happiness. Which document outlines specific freedoms guaranteed to United States citizens? A) Article 1 of the Constitution B) Article 2 of the Constitution C) Article 3 ...
*September 22, 2015*

**Math**

a rectangle shape doctor's office has an area of 120 feet. what are the dimensions of this office space?
*April 20, 2015*

**math**

Find the missing number.(169,13)(49,7)(144,?)(81,9)
*November 9, 2014*

**math**

2 six sided dice are throne together.what is the probability that a total of 10 is thrown.can u show me how to do please ,thanks
*November 8, 2014*

**math**

Concrete is made by mixing cement and sand in the ratio 3:1:15 how much sand would be needed to make 125 tonnes of concrete
*November 8, 2014*

**Math**

Carl shades a row in the multiplication table. The products in the row are all even. The ones digits in the products repeat 0, 4, 8, 2, 6. What row does Carl shade?
*November 3, 2014*

**math**

A bottle of cordial contains 5litres ,of which 10% I'd pure fruit juice.hoe many liters of water must be added to dilute to 4% fruit juice.can anybody explain please,thanks
*November 2, 2014*

**math**

Can anyone explain please,thank.the sum of 8numbers is x,and the sum of different set of nine numbers is 2x.the average of the smaller set of numbers is 1 more than the average of the larger set of numbers
*November 2, 2014*

**math**

Sorry,not understand
*October 29, 2014*

**math**

Anna is twice as old as Julian.five years ago,eye was three times as old .let x be julian`s present age write an equation for x and find the present ages of Anna and julian
*October 29, 2014*

**math**

George cycles to go half the distance at 4m/s but slows to 3m/s for the second half of his trip.he takes 35minutes to complete the trip.find the distance he travels
*October 29, 2014*

**math**

I get 10x = 16 x ,then wat to do,lease explain,thanks
*October 27, 2014*

**Physics**

Vector A= a displacment of 20 m due east Vector B= a displasment of 30 m due north
*October 22, 2014*

**Math**

Kamal bought 7 packs of paper clips for a project. Then he bought 8 more packs. There are 25 paper clips in each pack. How many paper clips did he buy?
*February 21, 2014*

**Math**

A nuclear submarine leaves its base and travels at 23.5 mph. For 2.00 hrs it travels along a course 32.1 degrees north of west. It then turns an additional 21.5 degrees north of west and travels for another 1.00 hrs. How far from its base is it?
*November 4, 2013*

**Math**

(-8) to the power of -6
*October 11, 2013*

**Math**

Erica has scores:131, 120, and 140, each out of 150 points, on her algebra tests. Use an inequality to find the score she must make on the final exam to pass the course with an average of 80 percent or higher, given that the final is worth 200 points.
*September 11, 2013*

**Math**

Area is 9 ft. And height is 2 ft. Of a triangle. What is the base?
*September 4, 2013*

**Math**

Area is 9 ft. And height is 2 ft. Of a triangle. What is the base?
*September 4, 2013*

**English**

I don't understand none of this, I need help.
*April 11, 2013*

**English**

Use coordination to combine each pair of sentences below into one sentence. Use a word or phrase that expresses the relationship shown in parentheses. 1.Most people collect stamps only as a hobby. Some people collect stamps as an investment. (contrast) 2.A stamp's rarity ...
*April 11, 2013*

**English**

Can you help me with number 4 please that's the last one.
*April 11, 2013*

**English**

Can you do number one for me so I can understand what to do and then I would do the rest.
*April 11, 2013*

**English**

Expand each sentence below by adding words or phrases that modify the verb. Questions after each item suggest details you can add. 1.A French girl found them. Who was with the girl? In what time period did she find them? 2.The news spread about the Lascaux cave paintings. How ...
*April 11, 2013*

**Chemistry**

What is the pH of a saturated zinc hydroxide solution?
*March 18, 2013*

**math**

Trying subtracting $25 from the total amount of $425, then divide the remaining amount by 2. Then add the $25 dollars to one of the products and you have both your amounts.
*January 24, 2013*

**Ela**

Thank you, it was on the tip of my tongue and I just couldn't remember.
*January 23, 2013*

**Ela**

With the word "and" what do we call all of these related verbs? Example: On one day she gasped, leaned forward, swallowed, and next turned.
*January 23, 2013*

**word problems**

harris is planting a rectangular garden with an area of 24 square. he is also putting a fence around his garden. how should he arrange his garden so he can buy the least amount of fence possible?
*January 16, 2013*

**math**

triangle ABC is isoceles with segment AB congruent tp segment AC. Angle A is 50. The bisectors of angle B and angle C meet at D. Find the measure of angle BDC
*December 10, 2012*

**Research**

I really appreciate you experience. My professors say they'd have to do the same thing. The best tool they had back then (20 years before) was a photocopy machine! So yes, down to business!
*November 26, 2012*

**Research**

Thanks for the input... I think we know each other form before. I'm just having difficulty conceptualizing. Also, the paper is supposed to be 10 pages long so I'm intimidated. Enough thinking, though... time to write!
*November 26, 2012*

**Research**

What is the difference between "findings & analysis" in a research paper? Let me know if I'm on the right path or if I'm deluded. I understand that in the findings section is where I will report on what I've discovered in the research. I will cite and ...
*November 26, 2012*

**Physics**

A massless string connects three blocks as shown below. A force of 24 N acts on the system. What is the acceleration of the blocks and the tension in the rope attached to the 2 kg block?
*October 22, 2012*

**ateneo**

why do people need to follow rules? Use "looked in a dictionary in a sentence as subject-predicate.
*June 25, 2012*

**Government**

I believe i can fly, i believe i can touch the sky. i think about it every night and day, spread my wings and fly away!!!
*March 13, 2012*

**Algebra**

Find all roots of 169/81 A.13,16,9 B.13/9-13/9 C.16,9 D.16/9-16/9
*January 28, 2012*

**History**

Aside From Improving Trade With The Far East , Why Is Making Hawaiia A U.S Territory Important ?
*January 21, 2012*

**History**

How Has Roosevelt Idea's Affected The Future Of America ?
*January 21, 2012*

**english**

thank you so much>
*January 19, 2012*

**english **

the antagonist of a story is: a)the hero of the story. b)engaged in a conflict with the main character. c)created to assist the main character. d) the element that creates an emotion in the reader. My answer is (B)
*January 19, 2012*

**Math**

how would you write 100% as a fraction
*January 1, 2012*

**Gov**

Who is sometimes viewed as 2nd powerful federal official after the president?
*December 13, 2011*

**Spanish-Thank you**

I do the accent marks through spanishtypeit and forgot when I copied this to put the few in and then wasn't sure if they needed them-thank you for your help
*December 10, 2011*

**Spanish**

I posted a question about nationality before-thank you for the answer Also are these correctly done? 1.Juan Gabriel Juan Gabriel es mexicano. 2.Carlos Vives Carlos Vives es colombiano. 3.Julio Iglesius y Enrique Iglesias son espanoles. 4. Samantha es colombiana. 5.Fidel Castro...
*December 10, 2011*

**Spanish**

Thank you!
*December 10, 2011*

**Spanish-Correction**

Ella es estadounidense. I think this is correct not the other, right??
*December 10, 2011*

**Spanish**

If someone is from the United Staes, what is the nationality in Spanish. Ella es americano.(Is that correct?) Thank you
*December 10, 2011*

**history advice**

while studying for this history exam.. I really have no idea what i'm reading.. it's hard for me to comprehend the writings.. can you offer some advice on how to study?
*October 22, 2011*

**MATH**

Consider an amortized loan of $10,000 ( with 10.0% interest compounded monthly) paid back over two yrs in equal, monthly installments. For each of the first two months, calculate three things: the interest paid for the month, the amound of the principal paid off and the ...
*October 5, 2011*

**government**

WHat happend to no child left behind?
*June 28, 2011*

**world history**

i need help on starting my essat.it's about compare the religious belief in Africa with those in Europe,Asia and the Middle east.......please help.i beg of you
*June 13, 2011*

**MAC1045**

What will be the final temperature of the solution in a coffee cup calorimeter if a 50.00 mL sample of 0.250 M HCl(aq) is added to a 50.00 mL sample of 0.250 NaOH(aq). The initial temperature is 19.50 degrees C and the
*April 21, 2011*

**geometry**

find square root of 596 step by step
*March 23, 2011*

**MATH**

sorry
*March 22, 2011*

**MATH**

plus I'm in 4th grade
*March 22, 2011*

**MATH**

the rule??????????????????
*March 22, 2011*

**MATH**

the numbers below are Fibonacci numbers. 1,1,2,3,5,8,13,21,34,55,... write a rule for the pattern. what are the next three numbers?
*March 22, 2011*

**MATH**

like 1x6 or 2x3 which the answer is 6
*March 21, 2011*

**MATH**

i mean't a multiple shared by all of them
*March 21, 2011*

**MATH**

what is the most common factor of 6,9,and 7?
*March 21, 2011*

**math**

brett wants to use 40 feet of twine to mark off a rectangular area in his yard for a garden the length ans width for garden with the greatest area?
*February 15, 2011*

**math**

raquel teaches dance classes each evening starting at5:380p.m. she teaches 3 40 minute classes and 2 50 minute classes.she has a 10 minute break between classes.make a table to find the time her last class ends. a.)9:10 b.)9:20 c.)9:30 d.)9:50
*January 31, 2011*

**math**

1500cm= mm 72 km= m 38000 cm= m 42 m= mm 986 cm= mm 48000 mm= m 5000 m= km 5280 cm= mm
*January 19, 2011*

**pyschology**

Thanks, i figured out a good answer, well hope I did anyway!!!
*January 16, 2011*

**pyschology**

dentify and describe the basic components of descriptive and experimental research used in psychology
*January 16, 2011*

**MATH**

why would you use the measurement 3yd 2ft instead of 2yd 5ft?
*January 13, 2011*

**math**

a fridge measures 6 ft tall,4 ft wide,and 3 ft deep. what is the volume of the fridge?
*January 4, 2011*

**math**

find the volume of these rectangular prisms base area:56 square in. height:5 in. base area:72 square yards height:8 yds
*January 4, 2011*

**math**

16!
*December 9, 2010*

**math**

are you dividing? i'm in 4th, so i can't tell
*December 9, 2010*

**math**

maria wants to buy concert tickets for her mom and dad.one ticket is $48.she is going to split the cost of the tickets with her 5 brothers.how much will she have to pay?
*December 9, 2010*

**math**

23.68?
*December 9, 2010*

**math**

azul decided to sell cookies to raise money for the needy. she spent $9 at the supermarket for the ingredients. azul then sold 43 cookies at $0.76 each. the profit from the cookies was then donated to the needy. how much did she donate?
*December 9, 2010*

**2nd grade math**

74.seventy-?
*December 7, 2010*