Tuesday

January 27, 2015

January 27, 2015

Total # Posts: 76,695

**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*

**Physics**

Two carts with masses of 4.66 kg and 3.00 kg move toward each other on a frictionless track with speeds of 4.77 m/s and 3.33 m/s respectively. The carts stick together after colliding head-on. Find the final speed.
*December 12, 2014*

**Physics**

A tennis player places a 60 kg ball machine on a frictionless surface, as shown below. The machine fires a 0.057 kg tennis ball horizontally with a velocity of 35.4 m/s toward the north. What is the final velocity of the machine?
*December 12, 2014*

**Math**

In the polynomial 7.08x^4 - 126.92x^3 + 595.95x^2 - 241.81x + 2780.54, an x-value of 16 will give: 95,605?
*December 12, 2014*

**chemistry**

what mass of water is necessary to prepare 150.0g of 1.30% saline solution
*December 12, 2014*

**chemistry**

What mass of solution contains 15.0g of sulfuric acid in a 20.0% solution
*December 12, 2014*

**physical**

A ball of mass m=8.5, at one end of a string of length L=3.6, rotates in a vertical circle just fast enough to prevent the string from going slack at the top of the circle. Assuming mechanical energy is conserved, the speed of the ball at the bottom of the circle is:
*December 12, 2014*

**physical**

The potential energy of a 2.0-kg particle moving along the x axis is given by U(x) = 5.0 x^2. When the particle is at x = 1.0 m it is traveling in the positive x direction with a speed of 1.5 m/s. It next stops momentarily to turn around at x =
*December 12, 2014*

**help**

That is it
*December 12, 2014*

**help**

What is a pictorial stage of art?
*December 12, 2014*

**s**

In the draw a line that looks a snake
*December 12, 2014*

**s**

What you would see in the children draw am not sure that mean?
*December 12, 2014*

**Civics**

Florida has 27 representatives while Massachusetts has nine representatives. Why do states have different numbers of representatives? Voters in each state decide how many people to send as representatives. The amount of land a state has within its borders determines the number...
*December 12, 2014*

**Math**

In the polynomial 7.08x^4 - 126.92x^3 + 595.95x^2 - 241.81x + 2780.54, an x value of 10 will give: 95,605?
*December 12, 2014*

**crying**

My stages of art porfolio
*December 12, 2014*

**crying**

Me on children drawings
*December 12, 2014*

**crying**

What does mean to evaluation the drawings
*December 12, 2014*

**s**

I think am tell what in a child like I see trying to draw snake in the picture.
*December 12, 2014*

**s**

What a teachers sees
*December 12, 2014*

**s**

What does it mean to tell what you see in a child drawing ?
*December 12, 2014*

**Algebra**

What is a 4th degree polynomial model calculator for this set of data: 1994 2814 1996 3603 1998 5429 2000 3962 2001 4117 2004 3840
*December 12, 2014*

**physics**

A football punter accelerates a 0.47 kg football from rest to a speed of 6.4 m/s in 0.27 s, what constant force does the punter exert on the ball? N upward
*December 12, 2014*

**Algebra**

i have to take the standard form of the Equation 11x - 4y = 32 and change it to slope- Intercept form y = my + b Answer 4y = 11x - 32
*December 12, 2014*

**physics**

A common graphical representation of motion along a straight line is the v vs. t graph, that is, the graph of (instantaneous) velocity as a function of time. In this graph, time t is plotted on the horizontal axis and velocity v on the vertical axis. Note that by definition, ...
*December 12, 2014*

**English **

A person born in a country is blank to that country. What goes in the blank?
*December 12, 2014*

**short story and poetry**

what is the two words describing the main character in the piece of string?
*December 12, 2014*

**Geometry**

an airplane flying at an altitude of 10,000ft or 1.89 miles. The airport at which it is schooled to land is 50 mi away. Find the average angle at which the airplane must descent for landing round your answer to the nearest degree.
*December 12, 2014*

**math**

two integers, x and y have a product of 20. what is the least possible sum of x and y?
*December 11, 2014*

**Math**

Radical ((1-sinx)/(1+sinx))= (1-sinx)/cosx (absolute) Identity identity
*December 11, 2014*

**Pre-Calc**

Identity the identity i meant
*December 11, 2014*

**Pre-Calc**

Radical ((1-sinx)/(1+sinx))= (1-sinx)/cosx (absolute) Simplify
*December 11, 2014*

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