# Posts by Elaine

Total # Posts: 213

**calculus**

Use the method of cylindrical shells to find the volume of the solid obtained by rotating the region bounded by the given curves about the x-axis. xy = 2, x = 0, y = 2, y = 4

*March 7, 2017*

**Physic **

A 25 kg box is set on a flat surface with us=0.62 and uk=0.49. A force of 100N is applied to the box through a rope which makes and angle of 30 degrees with the horizon. (a)what's the component of Fa that is attempting to move the box sideways? (b) what's the normal ...

*March 3, 2017*

**Physic **

A force of 7000N is applied to drag a 500 kg cow across a flat level floor to McSlaughter House. The cow has an acceleration of 2.5 m/s2. (a) what's the weight of the cow? (b) what is the normal force acting on the cow? (c) What is the resultant force that causes the cow ...

*March 3, 2017*

**5th Grade Math - Urgent Part II**

1,000,000 is the only #. For Ex. 4times 2= 8 only 8.

*June 2, 2016*

**5th Grade Math - Urgent Part II**

1,000,000 is the only #. For Ex. 4times 2= 8 only 8.

*June 2, 2016*

**diameter**

The famous rotunda of the Capital Bldg has a floor that is 96 feet in diameter. A marble restoration company charges $40 per sq. yard for its services. How much would it cost to restore the entire floor in the rotunda? My answer 96 feet in diameter C=πd 96+3.14π=105.9

*May 1, 2016*

**Geometry**

A football player completed a 45 yard pass. How many inches is that? How many centimeters? I performed the dimensional analysis 45 yds * 36 in over 1yd final step was 1620 in * 2.54 cm =4114.80 cm

*April 30, 2016*

**programming**

Create the logic for a program that calls a method that computes the final price for a sales transaction. The program contains variables that hold the price of an item, the salesperson's commission expressed as a percentage, and the customer discount expressed as a ...

*February 18, 2016*

**Physics 30**

calculate the netforrce on q2? calculate the net force on q3? q1=+3.0 MC q2=+3.0MC q3=-6.0MC q1-------20cm-------------q2 I I I 50 cm I I I q3

*February 6, 2016*

**Physics 30**

A. Calculate the net force on q2? b. calculate the net force on q3? q1= +2.0 MC q2=+3.0 MC q3=+6.0 MC q1-----30cm-----q2-----------45cm----------q3

*February 6, 2016*

**Physics 30**

The circuit has two resistors? V= 22V R= 27 Komega R=? I= 12mA

*February 6, 2016*

**Physics 30**

A circuit with a single 25.0 omega resistor runs for 5.00 s. During this time10.0 C pass through a point in the circuit. a. What is the power rating of this circuit? b. How much energy is used?

*February 6, 2016*

**Physics 30**

Two point charges objects produce an electric force on each other of 3.6x10^-2 N. What is the electric force between them if the distance is increased five times?

*February 6, 2016*

**PHYSICS**

how far apart are two point charges of 5.0x10^-6 C and 6.0x10^-6 C if they produce an electric force on each other of 0.62 N?

*February 6, 2016*

**chem 30**

When 7.5 g of ethane was completely burned, all the heat produced was used to heat 1.50 kg of water. If the temperature of water rose from 20EC to 80EC, the heat of combustion of ethane is

*January 24, 2016*

**English**

Change the italicized clause to nominative absolute. As the game was over the contestants quietly filed out of the room

*January 18, 2016*

**Kaputian central elementary school**

7,3,1.

*August 9, 2015*

**Math**

A shaded circle has a diameter of 12 feet. Within the circle, is another white circle with a radius of 2 feet. What is the area of the shaded circle.

*May 17, 2015*

**Statistics**

The percentage of various colors are different for the "peanut" variety of M&M's candies, as reported on the Mars, Incorporated website. Brown: 12% Yellow: 15% Red: 12% Blue: 23% Orange: 23% Green: 15% A 14-ounce bag of peanut M&M's is randomly selected and ...

*March 28, 2015*

**MATH**

Show three ways to estimate 3/5x 9 1/2. Identify each method you used

*March 2, 2015*

**Dynamics**

The acceleration of a particle which moves along the x axis is given by a=4x+5x^(3/2) The particle has speed of 2m/s when x=1m x is in meters a is in m/s^2 evaluate the velocity when x = 8m I know that I need to use kinematic eqn 3 adr = vdv then take the integral but I'm ...

*January 12, 2015*

**Math**

explain base 10

*December 8, 2014*

**Teacher Aide**

If you're preparing a bulletin board,how many ideas should you try to get across at one time?

*October 28, 2014*

**alegebra**

A turtle starts moving north at 4 feet per minute from a point P. Five minutes later, a snail starts moving south at 2 feet per minute from a point 50 feet due east of P. What is the distance (in feet) between the two animals five minutes after the snail starts moving?

*September 22, 2014*

**math**

A turtle starts moving north at 4 feet per minute from a point P. Five minutes later, a snail starts moving south at 2 feet per minute from a point 50 feet due east of P. What is the distance (in feet) between the two animals five minutes after the snail starts moving?

*September 22, 2014*

**psycholocy**

Professor Stone follows patterns as they relate to human habitats, development, and behaviors. She is _____________.

*August 11, 2014*

**Physics**

Is it supposed to be -11000 N ?

*March 2, 2014*

**Physics**

A baseball with a mass of 150 g is thrown horizontally with a speed of 39.5 m/s (88 mi/h) at a bat. The ball is in contact with the bat for 1.15 ms and then travels straight back at a speed of 45.0 m/s (101 mi/h). Determine the average force exerted on the ball by the bat. ...

*March 2, 2014*

**math**

Find the z-score such that the area under the standard normal curve to the left is 0.82. ______ is the z-score such that the area under the curve to the left is 0.82. (round 2 decimal places as need)

*December 3, 2013*

**College Anatomy**

Within the nervous system, the (a) are to the ganglia as a tract is to a (b).

*October 24, 2013*

**Anatomy**

The ______ ______ (two words), a syndesmosis, which provides a pivot point where two parallel-aligned bones, like the tibia and fibula, can move against each other.

*October 3, 2013*

**Anatomy**

The ______ of the knee not only provide cushioning but assist with stability and improving fit between the articulating surfaces during movement.

*October 3, 2013*

**Anatomy**

A ________ are designed to alleviate friction that may be caused by accessory structures, like a tendon, during movement of a synovial joint.

*October 3, 2013*

**Anatomy**

Orthodontic braces can be painful, this is due in part to placing mechanical stress on the ____________ (joint type), causing ___________ of the alveolar sockets of the mandible/maxilla as the teeth are slowly repositioned.

*October 3, 2013*

**Thermodynamics**

The initial state consists of a closed system containing one mole of water (liquid) at 85°C and 1 atmosphere pressure. The immediate surroundings are also at 85°C and 1 atmosphere pressure. The change in state is described as this one mole of liquid forming vapor at 85...

*October 3, 2013*

**Materials Transport**

You have a vertical plate which is 20 cm square and 0.75 cm thick. The plate has a thermal conductivity of 4 W/mK. The top edge of the plate is kept at a temperature of 325⁰C, and the bottom edge is kept at a temperature of 275⁰C. The vertical edges of the plate ...

*September 30, 2013*

**Materials Transport**

You have a vertical plate which is 20 cm square and 0.75 cm thick. The plate has a thermal conductivity of 4 W/mK. The top edge of the plate is kept at a temperature of 325⁰C, and the bottom edge is kept at a temperature of 275⁰C. The vertical edges of the plate ...

*September 30, 2013*

**college math**

I need help to simplify (-9)(-7) + 6?

*September 8, 2013*

**sentence@spelling**

which one of the following fragment is a prepositional phrase going to cliveland. listeningto her heart. cmopleted her assigment. during the darkest. night.

*July 23, 2013*

**statistics**

It increases

*May 8, 2013*

**english**

Some people are so ____ living near a nuclear plant that they want the plant's license to be ___. They say the plant threatens ever homeowner's right to safety.

*February 24, 2013*

**Mathematics**

what geometric figure/shape can we find in enchanted kingdom, rizal shrine in laguna, and in gardenia factory?????? i really need it plz help me T.T

*February 22, 2013*

**Chemistry**

What is the mass of a 8.64% (m/m) AlCl3 solution containing 7.59g AlCl3?

*February 7, 2013*

**Chemistry**

Cow's milk contains 32g of protein in 1052g of milk. What is mass/mass percent concentration of protein in the milk?

*February 7, 2013*

**Chemistry**

What is the mass of lithium chloride in 27.8g of a 4.85% (m/m) LiCl solution?

*February 7, 2013*

**Chemistry**

If a 8.0mL sample of blood plasma has a mass of 8.223g and contains 1.233g of urea, what is the mass/mass percent concentration of urea in the sample?

*February 7, 2013*

**physics**

The SI unit of energy can be expresses as what?

*December 4, 2012*

**Econ 102**

the c part is what I need help with.

*December 2, 2012*

**Finance**

5.3 The manager of a large computer network has developed the following probability distribution of the number of interruptions per day: Interruptions (X) P1X2 0 0.32 1 0.35 2 0.18 3 0.08 4 0.04 5 0.02 6 0.01 a. Compute the expected number of interruptions per day. b. Compute ...

*November 27, 2012*

**Chemistry**

a 25.0 mL sample of .050 M solution of aqueous trimethylamine is titrated with a .063 M solution of HCl. calculate pH the solution after 10.0 mL, 20.0 mL, 30.0 mL of acid have been added. pKb of (CH3)_3_N= 4.19 at 25 degrees C

*November 11, 2012*

**Chemistry**

Assuming all gases are at the same temperature and pressure, how many milliliters of hydrogen iodide are produced from 155 of ?

*November 2, 2012*

**Physics**

Hi Damon, thank you for your answer. With u=3.44m/s, Bob will hit the ball on the far side. The instructor showed a graph of the trajectory in class. So we know u is greater than 3.44 m/s but smaller than 5 m/s (he did a trajectory graph for u=5 m/s and Bob passed the ball by ...

*September 19, 2012*

**Physics**

Bob jumps from a 2.0 m high table and wants to jump over a 0.85 m radius ball. How fast must Bob move horizontally to not land on the ball? If we use kinematics equations for projectile, the answer is 2.66 m/s; however, with this velocity the person will land on the ball. I ...

*September 19, 2012*

**case management**

Identify the differences and similarities of case management in the community setting and in the managed care environment?

*September 9, 2012*

**Calculus**

assume that f(x)= x^3(x-2)^2 a) find the x-intercepts algebraically b) find all the critical points c) use the first derivative test to determine local minimums and maximums d)find all inflection points e)state the concavity of the graph on appropriate intervals

*April 24, 2012*

**Math 208**

(x+1)(x+3)=

*February 25, 2012*

**Calculus**

Evaluate the integral from [(2/square rt 2),0] of dx/sqaure root of (4-x^2)

*February 23, 2012*

**Calculus**

If x=2sec (theta), express tan(theta) in terms of x.

*February 23, 2012*

**Calculus**

I have to use integration by parts to integrate tan^-1 (1/x)dx. I'm not sure what to use as u or dv. We were taught to use uv-integral of (vdu) to do this.

*February 15, 2012*

**Calculus**

Integrate [1/square root of(e^(2x)-1)]. I have to use u substitution. We are doing the integrals of inverse trig functions, but I cannot get it to work out!

*February 5, 2012*

**Chemistry**

Calculate the density of 150g of a 25% by wieght solution of sodium chloride dissolved in water and the volume of solution is 145ml.

*January 24, 2012*

**Geometry**

find the area of the triangle 6yd and 2ft

*December 12, 2011*

**history**

00768100

*November 1, 2011*

**algebra**

driving at 46 mph one covers 19mi. in how many seconds?

*July 31, 2011*

**Confidentiality of Health Information**

IN REGARD TO ELECTRONIC MEDICAL RECORDS (EMRS) WHAT IS THE POLICY FOR DISCLOSING AUTHORIZED DATA REQUESTED BY THIRD PARTIES?

*July 14, 2011*

**math**

A cable 40 feet long is cut into three pieces so the length of the second piece is 4 times the length of the first piece, and the third piece is five more than twice as long as the first piece. Find the length of the pieces.

*May 31, 2011*

**math**

A motorcycle leaves Colorado Springs traveling north at an average speed of 47 miles per hour. One hour later, a car leaves Colorado Springs traveling south at an average speed of 54 miles per hour. How long after the motor cycle leaves will it take until they are 552 miles ...

*May 31, 2011*

**logic**

I need help proving these arguments using rules of inference, please. (S>B) > (SvK) (Kv~D) ~ (H>S) ~S.W / ~H ~A > (B>~C) ~D > (~C >A) D v ~A ~D

*May 18, 2011*

**Logic**

Need help supplying proo f for the following problem using the rules of inference 1. (Z.Y)> X 2. ~O>Z 3. ~Y>O 4. ~O.T /S

*May 16, 2011*

**health care ECONOMICS**

How did the Haiti disaster affect healthcare costs in the United States in the short run

*May 6, 2011*

**COM/155**

When writing a paragraph, it is important that the topic sentence and supporting points within that paragraph be directly related. What would be the reaction of a reader if the topic sentences in an essay did not coincide with the supporting points?

*May 1, 2011*

**HCS/552**

How does the Afghanistan opium black market affect the U.S. pharmaceutical industry?

*April 29, 2011*

**role of and health care/nursing role**

I can't fine no information on this question.

*April 6, 2011*

**role of and health care/nursing role**

in health care what trends do you anticipate influencing curriculum content and structure in the next decade?

*April 6, 2011*

**Chemistry**

For the given reaction, how many moles of water will be formed starting with 45.0 moles of aluminum hydroxide: 2AL(OH)3(s) + 3 H2SO4 > Al2(SO4)3 + 6H2O

*April 3, 2011*

**Chemistry**

For the given reaction, how many moles of ammonia will result from 4.0 moles of nitrogen N2(g) + 3H2(g) > 2NH3(g)

*April 3, 2011*

**Chemistry**

How many milliters of 1.80M HCl are required to react with 30.0 grams of calcium hydroxide according to the given equation: CA(OH)2(s) + 2HCl(aq)> CaCl2(aq) + 2H2O(l)

*April 3, 2011*

**ALGERBRA**

CAN YOU PLEASE TELL ME THE SOLUTION FOR THE FOLLOWING 5X>-4 BUT THE SIGN HAS A LINE UNDER IT I REALLY NEED HELP

*March 29, 2011*

**business**

The conceptual framework developed by the Financial Accounting Standards Board

*March 27, 2011*

**math**

6x=48 x=

*March 24, 2011*

**math**

subtract -5-12

*March 24, 2011*

**math**

can you divide -35by 5

*March 24, 2011*

**algerbra**

rewrite division as multiplication and answere as fraction -37-(78)

*March 24, 2011*

**algerba**

rewrite division as mulitplication -37-(78)

*March 24, 2011*

**math**

in triangle abc angle b is 5x angle a and c is 16 degree less than 4 times angle a the size of angle a b c in decimal is

*March 23, 2011*

**algebra**

-1/8-(-1/4) how do i figure it out

*March 21, 2011*

**chemistry**

a catalytic converter combines 2.25 g CO with excess O2 What mass of Co2 is formed

*February 24, 2011*

**chemistry**

how do i find the wavelength?

*February 10, 2011*

**chemistry**

What would the wavelength of radiation whose frequency is 5.75*10 to the 9th cycles per second be? Name the type of radiation it is?

*February 10, 2011*

**chemistry**

What volume of water would be required to dilute a 10.0 mL 0.650 M solution of calcium sulfate to create 0.25 M solution, what would the volume of the new solution be?

*February 10, 2011*

**social studies**

well I think they give them hope to do in California is by given them things, persuading them by

*November 30, 2010*

**5th grade**

My daughter is taking OLSAT test for gift & talented middle school. All practice questions I find are for Kindergarten or 1st grade. Any ideas on how she should prepare? Thank you.

*November 14, 2010*

**Language Arts**

What parts of the rhetorical triangle is irrelevant to formalist critics

*November 7, 2010*

**physics**

A stone is dropped from a 75 m high building. when this stone has dropped 15m, a second stone is thrown downward with an initial velocity such that two stones hit the ground at the same time. find a. time taken for the first stone to fall 75m. (b) the time taken for the second...

*October 19, 2010*

**physics**

A stone is dropped from a 75 m high building. when this stone has dropped 15m, a second stone is thrown downward with an initial velocity such that two stones hit the ground at the same time. find a. time taken for the first stone to fall 75m. (b) the time taken for the second...

*October 19, 2010*

**Ks\aplan**

How has terrorism impacted the police mission in the U.S.? What disagreements exist regarding the appropriate law enforcement behavior which fights terrorism but maintains personal liberties?

*August 8, 2010*

**Physics**

The force shown in the figure moves an object from x = 0 to x = 60 m, where the interval between vertical dashed lines is 20 m. (a) How much work is done by the force? (b) How much work is done by the force if the object moves from x = 20 to x = 60 m? (IN J)

*July 14, 2010*

**math**

(4x+5y)^2 (4x-5y)(4x+5y) 16x^2-40xy+25y^2 check this for me please

*June 2, 2010*

**math**

(6x-5y)^2= 36x-25y 6x-5y (4x+5y)^2 16x+25y 4x+5y Please check to see if right. If not corrected for me.

*June 2, 2010*