Tuesday

March 3, 2015

March 3, 2015

Total # Posts: 78,434

**basic chemistry**

If 0.50 mol of Na3PO4 is mixed with 0.30 mol of BaCl2, the maximum number of moles of barium phosphate which can be formed is: How do i set up the problem?
*December 15, 2014*

**Math**

Find the sum of the series -4 + 1 -1/4 + 1/16 - 1/64 + 1/256 + ... .
*December 15, 2014*

**Math**

Find the general term of the geometric sequence 36 , 6 , 1 , 1/6 , 1/36 ,... .
*December 15, 2014*

**general chemistry **

Which produces the greatest number of ions when one mole dissolves in water? (A) NaCl (B) NH4Cl C) NH4NO3 (D) Na2SO4
*December 15, 2014*

**general chemistry **

If 1.0 g samples of each compound were dehydrated, which sample would lose the greatest mass of water? Molar Masses: LiCl* H2O= 60. g mol–1 MgSO4* H2O= 138. g mol–1 FeSO4*H2O= 170. g mol–1 SrC2O4*H2O=194. g mol–1
*December 15, 2014*

**Quick math help**

On my test over parallel lines and proportional parts in triangles today, there was a question that asked to solve for x. There was 2 problems with x in them in the triangle. So would I just have to multiply each part by two and set them equal to each other?
*December 15, 2014*

**math**

Thank you, your the best :)
*December 15, 2014*

**math**

The Eskimos are trying to generate more money because player wages are increasing. they have came up with a couple of plans: Plan 1 : they are going to open up 1850 new seats in the endzone that will be reserved for family seating. they project that they will, on average, get ...
*December 15, 2014*

**MATH**

A carpenter has a board that is 10 feet long. He wants to make 6 table legs that are all the same length. What is the longest each leg can be? Please explain how you find a sum of this problem.
*December 15, 2014*

**alegebra / math**

How much more money? The ratio of Beatriz’s savings to Hannah’s savings is 4 : 7. The ratio of Hannah’s savings to Julia’s savings is 3 : 5. The three girls have a total savings of $136. How much more money has Julia saved than Beatriz? Explain how you got ...
*December 15, 2014*

**MATH**

A sporting goods company can ship 6 footballs in each carton. How many cartons are needed to ship 75 footballs? Explain how you did it?
*December 15, 2014*

**MATH**

Can you please explain how you find this answer. Thank you
*December 15, 2014*

**MATH 4TH GRADE**

Teacher has 27 students. She asks the students to form as many groups of 4 as possible. How many students will not be in a group?
*December 15, 2014*

**Help**

There are 2 piles of papers on a desk. Each pile has the same number of papers. There are 12 papers in all on the desk. How many papers are in each pile?
*December 15, 2014*

**math**

teacher has 27 students. she asks the students to form as many groups of 4 as possible. How many students will not be in a group?
*December 15, 2014*

**French**

Is this grammatically correct? J'aime jouer à des jeux vidéo.
*December 15, 2014*

**Urgent geometry help**

On my test over parallel lines and proportional parts in triangles today, there was a question that asked to solve for x. There was 2 problems with x in them in the triangle. So would I just have to multiply each part by two and set them equal to each other?
*December 15, 2014*

**math**

How much more money? The ratio of Beatriz’s savings to Hannah’s savings is 4 : 7. The ratio of Hannah’s savings to Julia’s savings is 3 : 5. The three girls have a total savings of $136. How much more money has Julia saved than Beatriz? Explain how you got ...
*December 15, 2014*

**English**

What is the meter of the following line from “A Sybil” by Rilke? “Her age became too much to say” Im confused and cant find an answer. Iambic pentameter Iambic tetrameter Trochaic pentameter Trochaic tetrameter
*December 15, 2014*

**chemistry(ppm parts per million)**

But i get 0.0017
*December 15, 2014*

**Math**

Mary's parents decide to give her an allowance every Saturday. The first Saturday they give her .01 cent. For each successive week they double the amount given the previous week. If Mary saves her allowance, in how many weeks will she be a millionaire?
*December 15, 2014*

**English**

Chrom
*December 15, 2014*

**English**

Which Greek root means “relating to color”? Not sure which one it is. chrys chron chord chrom
*December 15, 2014*

**english**

Is sandwich a compound word?
*December 15, 2014*

**chemistry**

58 = 50.0/s 58 x s = 50.0 S= 50.0/58
*December 15, 2014*

**chemistry**

So would the answer be 0.86
*December 15, 2014*

**Math**

plz help me
*December 15, 2014*

**Math**

How much more money? The ratio of Beatriz’s savings to Hannah’s savings is 4 : 7. The ratio of Hannah’s savings to Julia’s savings is 3 : 5. The three girls have a total savings of $136. How much more money has Julia saved than Beatriz? Explain how you got ...
*December 15, 2014*

**math**

what is recipricol and can you give me an example. thank you
*December 15, 2014*

**math**

Tide's boat rental charges a rental fee of $200 plus $30 per hour. Surfs rental charges a rental fee of $240 plus $25 per hour. For what number of hours is the boat rental cost the same at each rental business
*December 15, 2014*

**Chem Moles**

just tell me the answer
*December 15, 2014*

**chemistry**

If your car gets 21.4 mpg, how many L of CO2, will you release into the atmosphere, if you drove the 1280miles from Towson University to key West Florida for a much needed break after taking Chemistry 121? Assume 1.05atm and 17.0C. What would your carbon load be in lbs (lbs of...
*December 15, 2014*

**Car Design**

What other subject area is used with art for a career in car design? Language Arts history math health I think math
*December 15, 2014*

**urgent help statistic**

A random sample of 20 people who resided within the u.s resulted in average viewing time of 4.76 hrs per day with a sample standard deviation of 2.297 hrs. obtain and interpret a 95% confidence interval, for the mean viewing time of all americans confidence interval: Interpert...
*December 15, 2014*

**Physics **

Instructions: Read the following paragraph carefully. Then use what you know about momentum, work, and energy to answer the following questions. Be sure to show your work. You are a traffic accident investigator. You have arrived at the scene of an accident. Two cars of equal ...
*December 15, 2014*

**Math**

students planted 6 equal-size gardens, they divided each garden into 3 equal sections and planted herbs in 2 of the 3 sections, what fraction of the gardens did the students plant with herbs? Shouldn't it be 2/6?
*December 15, 2014*

**Science**

Creativity is always discouraged in scientific endeavors. True or False. I thinks its true.
*December 15, 2014*

**Calculus **

Use linear approximation to approximate f(0.8) given f(x)=2x^3-3x+1 I'm not sure how to do it without a point given.
*December 15, 2014*

**physics**

There are 45,000 calories in one ounce of pasta, how many ounces do i have to eat to get from ground floor to the 3rd floor (18.2 m)? my weight is 58kg
*December 14, 2014*

**Calculus**

Show that Rolle's Theorem applies to the given function for the given values of x: x=-1 and x=4 for f(x)=3x-x^2+2.
*December 14, 2014*

**physics**

The kinetic energy is 5 x 10^5 So make sure to type (5*10^5J)*(102/53)^2
*December 14, 2014*

**Calculus**

Let f(x) be a polynomial function such that f(-2)=5, f'(-2)=0, and f"(-2)=3. The point (-2,5) is a(n)____of the graph f. A. Relative maximum B. Relative minimum C. Intercept D. Point of Inflection E. None of these
*December 14, 2014*

**English II**

What kind of stylistic device could it be identified as?
*December 14, 2014*

**English II**

What about "Their joy at my return equalled their sorrow at my departure"? Could this b a antithesis
*December 14, 2014*

**English II**

Can "I left Baltimore with a young heart overborne with sadness, and a soul full of apprehension", be used as antithesis?
*December 14, 2014*

**mechanic**

3. Which of the following is a likely location for a pressurized oil leak to occur
*December 14, 2014*

**Calculus**

Use linear approximation to approximate f(0.8) given f(x)=2x^3-3x+1
*December 14, 2014*

**Calculus**

Find the x-values where f(x)=x^4-8x^3 attains a relative minimum, relative maximum, and inflection points, if any. Justify your answers. My derivative test didn't seem right.
*December 14, 2014*

**Calculus**

for the given values of x* sorry for the typo.
*December 14, 2014*

**Calculus**

Show that Rolle's Theorem applies to the given function for ht eg oven values of x: x=-1 and x=4 for f(x)=3x-x^2+2
*December 14, 2014*

**Quick english help**

Please check & see if I classified these sentences as simple, complex, or compound correctly! 1. His tie is going to choke him unless we can get it off. (Is this a complex sentence?) 2. She laughed so hard until the teacher told her to stop. (Is this a complex sentence?) 3. ...
*December 14, 2014*

**Calculus**

A baseball diamond is a square with side 90 ft. a batter hits the ball and runs toward first base with a speed of 24 ft/s. (a) At what rate is his distance from second base decreasing when he is halfway to first base? Is the answer 0.0932ft/s? I don't see that it is ...
*December 14, 2014*

**Calculus**

A boat is pulled into a dock by a rope attached to the bow of the boat and passing through a pulley on the dock that is 1 m higher than the bow of the boat. If the rope is pulled in at a rate of 1m/s,how fast is the boat approaching the dock when it is 8 m from the dock?
*December 14, 2014*

**Calculus**

A baseball diamond is a square with side 90 ft. a batter hits the ball and runs toward first base with a speed of 24 ft/s. (a) At what rate is his distance from second base decreasing when he is halfway to first base? (b) At what rate is his distance from third base increasing...
*December 14, 2014*

**Math**

Expand and simplify: (9z2 - 2z + 10)(3z + 12)? I got 27x^3+102z^2+24z+120 correct me if i'm wrong pls? ty
*December 14, 2014*

**Calculus**

A baseball diamond is a square with side 90 ft. a batter hits the ball and runs toward first base with a speed of 24 ft/s. (a) At what rate is his distance from second base decreasing when he is halfway to first base? (b) At what rate is his distance from third base increasing...
*December 14, 2014*

**algebra**

find a quadratic equation with roots -1+4i and -1-4i can someone help explain the steps?
*December 14, 2014*

**algebra**

find all the zeros of the equation. -3x^4+27x^2+1200=0 I'm really confused, can someone help explain?
*December 14, 2014*

**History-canoes**

Does anyone know what the canoes used during the Lewis and Clark expedition were made out of? Was it birch bark?
*December 14, 2014*

**Thesis Help**

Does this include leadership and legacy? Does it make sense and portray Scagaweas role in the Expedition? Sacagawea played a major role in the succes of the Lewis and Clark Expedition from helping with translating and navigating to calming and gathering food for the exploresrs...
*December 14, 2014*

**math**

Last year,a total of 498 people attended an annual free concert outside city hall. This year,572 people attended the concert. To the nearest tenth, what is the percent increase in attendance from last year to this year?
*December 14, 2014*

**gen chem (already have answer) **

Suppose 77.4 g P4S6 (MM = 316.24 g/mol) and 269 g KClO2 (MM = 106.55 g/mol) were reacted together. What is the limiting reagent, and how many moles of the limiting reagent were initially present? P4S6 + 11 KClO2 -> 2 P2O5 + 6 SO2 + 11 KCl We got the answer: 0.25 moles of ...
*December 14, 2014*

**basic chemistry**

Yes please!
*December 14, 2014*

**basic chemistry**

The answer doesn't match with Damon's post. His mass came out way too high.
*December 14, 2014*

**basic chemistry**

Fe3O4 + 4 H2 -> 3 Fe + 4 H2O What mass (g) of Fe3O4 would be needed to react with 1.38 x 10^3 mol H2?
*December 14, 2014*

**gen chem**

What mass of Fe3O4 would be needed to react with 1.38 x 103 mol H2? Fe3O4 + 4 H2 -> 3 Fe + 4 H2O
*December 14, 2014*

**chemistry**

How many moles of iron are expected from the reaction between 115 moles of H2 with excess Fe3O4?
*December 14, 2014*

**chemistry**

does an atom of an element have similar chemical properties with an ion of the same element?
*December 14, 2014*

**physics**

Calculate the mass of the air in a 5 m ✕ 3 m ✕ 2.5 m room, assuming that it is at 1 atm and 19°C.
*December 13, 2014*

**Math**

(2x-1)(3x-7)(4x+3) =6x^2-14x-33x+7 =(6x^2-19x+7)(4x+3) =24x^3+18x^2-126x+28x+21 =24x^3+18x^2-88x+21 <-- my answer but the correct answer is 24x^3-50x^2-23x+21 please correct me? thank you!
*December 13, 2014*

**Math**

complete the equation for the linear function whose graph contains the points (2,5) and (3,0) y - ____ = _____(x -2) *fill in the blank - not sure how to do this question cleaning company charges a fee of $65 in addition to $10.50 per hour of cleaning.. x = the number of hours...
*December 13, 2014*

**physics**

A copper telephone wire has essentially no sag between poles 34.0 m apart on a winter day when the temperature is −20.0°C. How much longer is the wire on a summer day when the temperature is 32.0°C? (Note: Table 19.1 is available for use in solving this problem.)
*December 13, 2014*

**math**

Fourteen and a third cream cakes were eaten for dessert! How many sixths of cream cake is this in total ?
*December 13, 2014*

**physics**

A 4.10 kg block is pushed along the ceiling with an constant applied force of F = 81.5 N that acts at an angle è = 52° with the horizontal, as in the figure below. The block accelerates to the right at 5.10 m/s2. Determine the coefficient of kinetic friction between...
*December 13, 2014*

**Science**

How to find Electron Configuration
*December 13, 2014*

**grade 10 physics**

john is walking at such speed so that his kinetic energy is 20 J, what is his speed? It started to rain John runs at a rate of 4.2 m/s find the change in KE.
*December 13, 2014*

**Physics grade 10**

sorry i forgot.john is walking at such speed so that his kinetic energy is 20 J, what is his speed? It started to rain John runs at a rate of 4.2 m/s find the change in KE if his mass is 50 kg.
*December 13, 2014*

**math**

Ivan bought 8 pounds of flour for $4 . How many pounds of flour did he get per dollar?
*December 13, 2014*

**confidentiality in allied health**

1.A 7.D 8.A 11.D 14.D 20.D
*December 12, 2014*

**confidentiality in allied health**

1. Which one of the following statements is an example of hearsay? "The report said the patient died on January 15." "I saw the doctor administer the injection." "I checked the patient's blood pressure three times."...
*December 12, 2014*

**Math**

Use differentials (or equivalently, a linear approximation) to approximate sin(27 degrees) as follows: Let f(x) = sin(x) and find the equation of the tangent line to f(x) at a nice point near 27 degrees. Then use this to approximate sin(27 degrees).
*December 12, 2014*

**Confidentiality in Allied Health**

According to the AMA, what is a key reason behind a physician's duty of confidentiality to a patient?
*December 12, 2014*

**Confidentiality in Allied Health**

According to the AMA, what is a key reason behind a physician's duty of confidentiality to a patient?
*December 12, 2014*

**Confidentiality in Allied Health**

Which one of the following steps can shield against discovery of an incident report?
*December 12, 2014*

**Confidentiality in Allied Health**

What is one type of information that must be reported to the NPDB
*December 12, 2014*

**Confidentiality in Allied Health**

One requirement of the business records exception to the hearsay rule is that the
*December 12, 2014*

**Confidentiality in Allied Health**

Medical malpractice payments
*December 12, 2014*

**Confidentiality in Allied Health**

What is one type of information that must be reported to the NPDB?
*December 12, 2014*

**Math**

Expand and simplify: (5r - 6s + s2) (13r + 3s - 5s2) I got 65r^2-25rs^2+78rs+18s^2+3s^3+5s^4 but it's wrong?! Please correct me!
*December 12, 2014*

**law and ethics in allied health**

Which one of the following statements is an example of hearsay?
*December 12, 2014*

**Math help!**

Annual deposits of $3150 are made into a bank account earning 4 % interest per year. (a) What is the balance in the account right after the 15th deposit if interest is calculated annually? (b) What is the balance in the account right after the 15th deposit if interest is ...
*December 12, 2014*

**law and ethics in allied health**

Attorneys often take malpractice cases on a contingency fee arrangement, which means their fees
*December 12, 2014*

**Math**

You have an ear infection and are told to take a 200 mg tablet of ampicillin (a common antibiotic) four times a day (every six hours). It is known that at the end of six hours, about 5% of the drug is still in the body. What quantity of the drug is in the body right after the ...
*December 12, 2014*

**law and ethics in allied health**

The Patient Self-Determination Act requires all hospitals that receive Medicare and Medicaid funding to
*December 12, 2014*

**Physics**

A 3.32 kg mud ball has a perfectly inelastic collision with a second mud ball that is initially at rest. The composite system moves with a speed equal to one-eighth the original speed of the 3.32 mud ball. What is the mass of the second mud ball?
*December 12, 2014*

**law and ethics in allied health**

The branch of ethical theory that considers the origin and meaning of ethical principles is known as
*December 12, 2014*

**law and ethics in allied health**

Which type of normative ethics theory describes deciding to abort a woman's pregnancy to save the woman's life
*December 12, 2014*

**law and ethics in allied health **

Res ipsa loquitur means that the burden of proof
*December 12, 2014*

**law and ethics in allied health**

While a patient is having surgery, his doctor notices a small mole. The doctor doesn't think the mole is anything to worry about, but he decides to remove it to perform a biopsy. What is the doctor guilty of?
*December 12, 2014*

**Physics**

A 5.6 g coin sliding to the right at 22.6 cm/s makes an elastic head-on collision with a 16.8 g coin that is initially at rest. After the collision, the 5.6 g coin moves to the left at 11.3 cm/s. (a) Find the final velocity of the other coin. cm/s (b) Find the amount of ...
*December 12, 2014*

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