Thursday

October 27, 2016
Total # Posts: 1,374

**Stats**

HELP!! I have no idea to get this answer :( a doctor wants to estimate the HDL cholesterol of all 20-29 year old females. how many subjects are needed to estimate the HDL cholesterol within 4 points with 99% confidence assuming the standard deviation is 10.8? Suppose the ...

*October 8, 2016*

**English**

Staggered is what type of context clue

*September 27, 2016*

**Math**

Logan puts a wallpaper border along the top edge of the Four Walls of a rectangular room the room is 10 feet long and 12 feet wide if there are no breaks in the Border how long is it?

*September 27, 2016*

**Biology**

Explain the structure of a water molecule and how hydrogen bonding leads to some of its very special properties. Be sure to include how these properties are important to life on Earth

*September 24, 2016*

**Physical Science/ Chemistry**

Which of the following shows the correct order of Family #1 elements from least to most reactive? A) Li, Na, Rb, K B) Li, Na, K, Rb C) Rb, K, Na, Li D) Li, Na, K, Ba

*September 22, 2016*

**Math**

5/5334

*September 21, 2016*

**Math**

Nathan plants equal sized square of sod in his front yard each square has An area of 6 square feet Nathan plants a total of 1,000 squares in his yard what is the total area of the square sod

*September 18, 2016*

**Math**

5 11/15 divde 9/19

*September 13, 2016*

**Math**

The function rule T–4, 6(x, y) could be used to describe which translation?

*September 10, 2016*

**stats**

scores on a University exam are normally distributed with a mean of 68 and a standard deviation of 9. use the 68-95-99.7 rule to answer the following questions 1) what proportions of students score between a 59 to 77? 2) what proportions of students score between a 50 to 86? 3...

*September 5, 2016*

**Algebra 1**

Mary is 9 years younger than Greg's age doubled, and their total ages combined equals 33. Create and solve an equation to find both children's ages.

*September 2, 2016*

**Arithmetics**

if there are 380 females students in a class, and male students take up 60% of the class, how many total students are in the class? 380/0.6 = 633??

*June 9, 2016*

**Chemistry**

Check my answers 63. What type of bond links the monomers together in a polymer? Poly bond Covalent bond Ionic bond Hydrogen bond*** 64.What is the change in atomic mass when an atom emits a beta particle? decreases by 1*** increases by 1 decreases by 2 remains the same 65. ...

*June 2, 2016*

**Chemistry**

so C?

*June 2, 2016*

**Chemistry**

You are given Ka of carbonic acid is 4.3 x10^-7. This means that Carbonic acid is a good hydrogen-ion acceptor*** good hydrogen-ion donor poor hydrogen-ion acceptor poor hydrogen-ion donor

*June 2, 2016*

**Chemistry**

Calculate the molality of a solution prepared by dissolving 225.5 g KNO3 in 825mL of water. Show your work

*June 2, 2016*

**history**

Which statement best describes the provisions of the Missouri Compromise? a) It maintained the balance of free and slave states. b) It enacted a stricter fugitive law. c) It outlawed slavery in the District of Columbia. d) It prohibited slavery in the Northwest Territory.

*May 26, 2016*

**General Chemistry**

thank you :D

*May 26, 2016*

**General Chemistry**

omg that should say 1.50 mmol

*May 26, 2016*

**General Chemistry**

A 1/5 mmol (yes, millimol... no, it isn't a typo_ sample of XeFn h as a mass of 0.311 g. What is the value of n? The answer is 4, but why?

*May 26, 2016*

**maths**

i= the square root of -1 so multiply the whole term by i/i to get -5i

*May 26, 2016*

**maths**

the second equation should be L=5+2W my bad.

*May 26, 2016*

**maths**

2L+2W=142 L+5=2W solve the system of equations

*May 26, 2016*

**math**

you're missing part of the question. do you have a % interest?

*May 26, 2016*

**Math**

In a group of 10boys each boy had 2 hats how many hats did they have?

*May 24, 2016*

**Chemistry**

What is the oxidation half reaction for the following equation: Cr2O7^-2 +Fe+2 - - > Cr^+3 + Fe^+3 Cr^+3 - - > Cr2O7^-2 Fe^+2 - - > Fe^+3 Fe^+3 - - > Fe^+2*** Cr2O7^-2 - -> Cr^+3

*May 20, 2016*

**Chemistry**

Which atom has a change in oxidation number of –3 in the following redox reaction? K2Cr2O7 + H2O + S - - > KOH + Cr2O3 + SO2 K Cr*** O S

*May 20, 2016*

**Math**

8x - 4 - x = -5

*May 13, 2016*

**Chemistry**

If i have 0.5 mole of hydrogen peroxide how many moles of oxygen would be produced assuming all of the hydrogen peroxide decomposes?

*May 1, 2016*

**Chemistry**

If i have 0.5 mole of hydrogen peroxide how many moles of oxygen would be produced assuming all of the hydrogen peroxide decomposes?

*April 30, 2016*

**algebra with pizzazz**

What might you have if you don't feel well

*April 21, 2016*

**Language arts**

Emily is correct got 100%

*April 20, 2016*

**Math**

The school bus will be either be on time ir late. The probability that it will be on time is therefore 0.5.

*April 20, 2016*

**Math**

I am doing a practice test and I am stuck on a couple of questions. 1.) Write a rule for the following sequence 8, -1, -10, -19 2.) Find the next three terms of the sequence -2, -12, -72, -432 3.) Which explains why the sequence 81, 3, 1/9 thanks

*April 17, 2016*

**MATH **

How much would you have to invest into a 5 year certificate of deposit paying 2.3% compounded weekly to make it worth $4500 at the end of the term? A=P(1+r/n)^nt 4500=P(1+0.023/52)^52(5) I am receiving a syntax error please help

*April 9, 2016*

**history**

Explain how fear of communism during the Cold War affected American society. How did this affect the balance between national security and civil liberties?

*April 8, 2016*

**physics**

a block slides along a path that is without friction until the block reaches the section of length L = 0.75 m, which begins at height h = 2.0 m on a ramp of angle θ = 30°. In that section, the coefficient of kinetic friction is 0.40. The block passes through point A ...

*March 30, 2016*

**chemistry**

why were you instructed to add distilled water in step 12, and possibly more distilled water in step 15? what purpose does the water serve?

*March 23, 2016*

**Literature**

Why does Shelley have Frankenstein choose England for the creation of the second creature. What possibilities from her life might be reflected in this? How does this choice relate to Romanticism?

*March 16, 2016*

**Math**

x= amount of children who play tennis y= total amount of children

*March 14, 2016*

**Math**

.25=8/x .20=x/y x=32 .20=32/y y=160

*March 14, 2016*

**Spanish**

Prepara (1) _____ para salir de viaje el lunes por la mañana. Para ello, haz (2) ______ las maletas, sal (3) _____ de la habitación y métete (4) _____ en el coche. Después, ponte (5) _____ el cinturón y ten (6) ____ paciencia porque el viaje ...

*March 3, 2016*

**Math**

1 hour = 60 minutes 1/3 hour = 60/3= 20 minutes 5 hours= 300 minutes 5 1/3 hours= 320 minutes therefore the answer is (320/2)-40

*March 2, 2016*

**physics**

Boxes A and B are connected to each end of a light vertical rope. A constant upward force F = 80.0 N is applied to box A. Starting from rest, box B descends 12.0 m in 4.00 s. The tension in the rope connecting the two boxes is 36.0 N. What are the masses of (a) box B, (b) box A?

*March 1, 2016*

**Math**

12P+15A=100

*March 1, 2016*

**Math**

1- 1/3- 1/5= 15/15- 5/15- 3/15= 7/15 of the pizza is left

*March 1, 2016*

**Calculus**

Two sides of a triangle have lengths 8 m and 13 m. The angle between them is increasing at a rate of 0.08 radians /min. How fast is the length of the third side increasing when the angle between the sides of fixed length is π/3 radians.

*February 24, 2016*

**Algebra**

The problem has two related parts 1) let a be an arbitrary real number. Find the distance between the point (1,2) and the point (4,a). (answer should be an algebraic expression in terms of a). 2) find the value of b for which the point (0,b) is equidistant from (4,4) and (5,-4...

*February 24, 2016*

** essay **

While servant leadership is often associated with Christianity and the Bible, one could argue it is compatible with most religions and philosophies and that it transcends cultures. This assignment presents you with an opportunity to explore other cultures, philosophies, and ...

*February 20, 2016*

**Living environment **

why is estrogen and progesterone most closely associated with build up of the uterine lining in the human female during the menstrual cycle ?

*February 17, 2016*

**Living environment **

Why does meiosis and fertilization lead to the greatest variety of genetic combinations ? . iM doing test corrections and I am struggling to explain the question above . So far all i said was that that was the only answer that made sense but i need more details , please help ...

*February 17, 2016*

**Math and are my answers correct **

1.Male and female high school students reported how many hours they worked each week in summer jobs. The data is represented in the following box plots: two box plots shown. The top one is labeled Males. Minimum at 1, Q1 at 3, median at 10.5, Q3 at 14, maximum at 21. The ...

*February 15, 2016*

**URGENT! Due soon and I used 8 of 10 attempts **

Archaeologists can determine the age of artifacts made of wood or bone by measuring the amount of the radioactive isotope 14C present in the object. The amount of isotope decreases in a first-order process. If 14.5% of the original amount of 14C is present in a wooden tool at ...

*February 14, 2016*

**Algebra**

Write an equation that expresses the following relationship. P varies directly with the square of D. In your equation, use K as the constant of proportionality.

*February 8, 2016*

**Algebra**

Write an equation that expresses the following relationship. U varies directly with the cube of P and inversely with D. In your equation,use K as the constant of proportionality.

*February 7, 2016*

**English**

Thanks

*January 28, 2016*

**English**

Find the complete predicate and the verb or verb phrase, 1. Carl lifted the lid of the pot. Lifted is the verb Lifted the lid of the pot is the Complete predicate Is this right?

*January 28, 2016*

**Physics**

A ball is thrown straight up at 24.0 m/s. Ignore the effects of air resistance in your calculations.After 2.00 s?

*January 23, 2016*

**Connexus Help**

Does anybody go to Connexus Acadimy 7 grade??i need someone to correct my Art questions!!

*January 18, 2016*

**World History**

Which of the following statements about the European colonial powers is correct? A. They were careful not to divide ethnic and cultural groups. B.They believed in a democratic rule. C. They ruled by force and oppression D. They had the consent of the people being governed.

*January 16, 2016*

**algebra**

A student has scores of 72, 78, and 87 on three government exams. What score does she need on a fourth exam to give her an average of 80 or better?

*January 15, 2016*

**Science**

each of the two tall pea plants carry a recessive gene for a small plant in their genetic family tree

*January 11, 2016*

**Physical Education**

yup!

*January 11, 2016*

**Math ASAP**

0.18, 1/5, 0.21, 0.24 the answer is c) :)

*January 11, 2016*

**Spanish**

yup! that's right! :)

*January 11, 2016*

**thank you!**

thank you dr.bob and damon! :)

*January 11, 2016*

**math/ chemistry**

oh, sorry! yes, M= 62g/mol in my case and I need to go from there to mol/L. and the question is: The solubility of magnesium fluoride, MgF2(s), is 1.72x10^-3 g/100mL at 25 degrees. What is the Ksp value for Magnesium fluoride at 25 degrees?

*January 11, 2016*

**math/ chemistry**

so I have this chemistry problem which involves math and basically I need to convert 62 g/mol into mol/L but I don't know how. like do you DIVIDE the g/mol by 1000 to convert g to L? and then how to you get the mol to become the numerator?

*January 11, 2016*

**algebra**

Meghan pays 10% more each month in rent than Scott, and together they pay $892.50 per month. How much does Meghan pay per month? Round the answer to the nearest cent, if necessary. Meghan pays $ each month.

*January 8, 2016*

**algebra**

A student's grade in a course is the average of 4 test grades and a final exam that is worth three times as much as each test. Suppose a student has test grades of 90, 88, 81, and 94. Write an equation to model this situation where x is the student's grade on the final...

*January 8, 2016*

**algebra**

its not a test its an assignment that i don't understand how to do i was looking for someone to explain it to me

*January 8, 2016*

**algebra**

Homework Questions Attempts allowed Limits Points 7 Questions 3 No Time Limit 7 pts possible You're in the middle of taking this assessment. Resume Assessment Answer Back Next Question 6 of 7 (1 point) Jose invests money in two simple interest accounts. He invests twice as...

*January 8, 2016*

**MATH**

HELP PLZ NO ONE WANTS TO HELP, You buy clothing at a sale. You buy sneakers at 2/3 of their original price of 60$, a sweater at 7/10 of its original price of 35$, and a jacket at 5/6 of it original price of 45$, a. how much money did you spend? b. how much money did you save? ...

*December 30, 2015*

**math**

I believe i need more

*December 30, 2015*

**math**

ok so its B If not, how much do you need?

*December 30, 2015*

**math**

A recipe calls for 4 pounds of fruit.you have 60 ounces of fruit. A.do you have as much fruit as you need? B.if not,how much more do you need?

*December 30, 2015*

**History [Check?]**

Thank you soooo much !!

*December 21, 2015*

**History [Check?]**

sorry. To consolidate his power in Italy, Benito Mussolini did all of the following except __________. a.He used militarism to rally his supporters. b.He gave the trade unions greater power. <-?

*December 21, 2015*

**History [Check?]**

Which of the following was not one of the reforms that Ataturk advocated? a.adopt the Latin alphabet <--- b.strictly observe Muslim laws To consolidate his power in Italy, Benito Mussolini did all of the following except __________. a.He used militarism to rally his ...

*December 21, 2015*

**History [check?]**

thanks ! lol.

*December 21, 2015*

**History [check?]**

could you check this for me? After World War I, what did musicians and artists do? a.Most creative people concentrated on very cheerful subjects to lift people's spirits. b.Most musicians and artists created very passionate and violent works. c.Many musicians and artists ...

*December 21, 2015*

**History [check?]**

Thanks, I'm thinking about a.foreign intervention.

*December 21, 2015*

**History [check?]**

To consolidate his power in Italy, Benito Mussolini did all of the following except __________. a.He extolled the glories of ancient Rome. <-- b.He used militarism to rally his supporters. c.He gave the trade unions greater power. Which of the following did not contribute ...

*December 21, 2015*

**History [check?]**

Thank you.

*December 21, 2015*

**History [check?]**

In the 1920s Mussolini rose to power in Italy and in the 1930s Hitler rose to power in Germany. Which of the following had little or no effect on their rise to power? a wealth of natural resources <--? a yearning for stability a desperate desire for security Communism and ...

*December 21, 2015*

**Math**

Thank you

*December 19, 2015*

**math**

how many different words can be made from the word winter without repetition

*December 16, 2015*

**English**

A. he did better in 1864? Thanks!

*December 11, 2015*

**English**

In the presidential election of 1860, Lincoln received 180 out of a possible 303 electoral votes. In the election of 1864, he received 212 out of a possible 233 electoral votes. (The number of possible votes declined because in the second election, only the Northern states ...

*December 11, 2015*

**English**

Sorry about that, thank you :]

*December 10, 2015*

**English**

4.Lincoln's short speech begins with the words "Four score and seven years ago." (The word score comes from an Old Norwegian word meaning "twenty.") What other famous document does Lincoln allude to in the first sentence of his speech? The Declaration ...

*December 10, 2015*

**English**

1. People who guided escaped slaves to free northern states 2. False. 3. Is a fearful trip.. i read that I meant C.

*December 10, 2015*

**English**

Conductors” on the railroad were People who drove the trains People who guided escaped slaves to free northern states People who provided transportation to slaves in free states < or B. Lincoln's short speech begins with the words "Four score and seven years ...

*December 10, 2015*

**English**

Thanks Ms.Sue!

*December 10, 2015*

**English**

Why does Douglass state that “education and slavery were incompatible with each other”? There wasn’t time for slaves to go to school; they had too much work to do Being educated meant that slaves might question their existence and try to escape <---? Slaves ...

*December 10, 2015*

**English**

Can someone help me?

*December 10, 2015*

**English**

Why does Douglass state that “education and slavery were incompatible with each other”? There wasn’t time for slaves to go to school; they had too much work to do Being educated meant that slaves might question their existence and try to escape Slaves do not ...

*December 10, 2015*

**history**

Which answer offers the best explanation for why Tecumseh fought alongside the British in the War of 1812? Tecumseh was well paid by British generals. Tecumseh wanted to preserve trade with Britain. Tecumseh considered the United States to be an enemy. Tecumseh felt his ...

*December 8, 2015*

**Earth science **

According to the suplimentary demands the price you pay for a product is determine both by its availability and by consumer demand for the product. On the basis of the principle, which mineral do you think have a higher value, iron containing mineral or feldspars? Some one ...

*December 6, 2015*

**Phyical science**

I Meant to say can someone please help

*December 4, 2015*