Friday

December 2, 2016
Total # Posts: 96

**math**

no because it only has 9s facts.

*November 10, 2016*

**Algebra**

Time--------Water level 0---------------50 2---------------40 4---------------30 6---------------20 Enter the rate of change of the water level in feet per hour.

*April 6, 2016*

**Algebra**

Time(hr) Water level (ft) 0 50 2 40 4 30 6 20 Enter the rate of change of the water level in feet per hour.

*April 6, 2016*

**Algebra**

HOURS STUDYING----- AVG GRADE 0-------------------- 62 1-------------------- 78 2-------------------- 85 5-------------------- 74 WHICH TYPE OF FUNCTION IS MOST LIKELY TO MODEL THESE DATA? A. LINEAR FUNCTION W/POSITIVE SLOPE B. LINEAR FUNCTION W/NEGATIVE SLOPE C. NON-LINEAR ...

*April 6, 2016*

**Algebra**

If the study had included these data, would this change the model relating avg body weight and avg pulse rate? Explain. Animal ----- Avg Wt------ Avg pulse g.pig-----------1------------250 rabbit---------2.5-----------265

*April 6, 2016*

**Algebra**

Animal ----- Avg Wt------ Avg pulse g.pig-----------1------------250 rabbit---------2.5-----------265

*April 6, 2016*

**Algebra**

Kim invested a total of $1500 in two accounts. One account paid 2% annual interest and the other paid 4% annual interest. After one year, Kim earned $44 in interest. How much did she invest in each account?

*March 22, 2016*

**Algebra**

Y= 312.3x+ 18.5 What is the slope?

*March 2, 2016*

**math**

For the Rule of 78, for a 12 month period, the last term in the sequence is 12 and the series sums to 78. For an 18 month period, the last term is and the series sum is . For a 24 month period, the last term is and the series sum is . For a 30 month period, the last term is ...

*January 21, 2016*

**king**

1:7=__:14=__:21=4:__=5:__=:42

*October 11, 2015*

**math, unit price**

4 boxs of chicken nuggets for $25.44.a competing restaurant has 6 box of chicken fingers for $39.00.which food has a higher unit price?

*August 9, 2015*

**Math**

Tom Whisky ou l'Illusioniste toqué?

*June 4, 2015*

**Social Studies**

Well they are both wrong that's 4 sure lol

*June 3, 2015*

**FIN 4018 - INCOME TAX PLANNING**

i don't know

*May 27, 2015*

**calculus**

definite integral of (e^(8x))cosh(8x)dx from 0 to 1/16 -I substitued the definition of cosh in, i.e. (e^(8x) + e^(-8x)/2 but i cant get the "e's" to combine and i know the answer is e/32

*December 6, 2014*

**Math**

Carnations are .60 Tulips are .80

*December 1, 2014*

**physics**

sorry that the graph I tried to make totally sucks. I meant the cars in the middle and right are motor cars and the train is accelerating to the right hand side.

*September 28, 2014*

**physics**

The figure below shows a train with 3 compartments only. Each of the compartments has a mass of 30 tons . Two of them are motor cars while the other one is a trailer car. Each of the motor cars provides a driving force F. Suppose the train is accelerating at 1.5 m s−2 ...

*September 28, 2014*

**physics**

A car travelling at 60 km/h hits a bridge abutment. A passenger in the car moves forward a distance of 67 cm (with respect to the road) while being brought to rest by an inflated air bag. What force (assumed constant) acts on the passenger¡¦s upper torso, which ...

*September 27, 2014*

**Math**

A farmer raises chickens and goats. She knows she has 22 animals all together. All together her animal has 56 feet. how many of each type of animal does she have?

*September 23, 2014*

**Algebra - Functions**

Find the domain: a) [sqrt(x+3)]+[5x^2-180] b) [sqrt(x+3)]/[5x^2-180] c) (8x+9)(9x+8) d) (8x+9)/(9x+8) e) [sqrt(x+2)](5x^2-245) f) [sqrt(x+2)]/(5x^2-245)

*February 28, 2014*

**Chemistry**

6. Explain how you would prepare this solution from powdered reagents and whatever glassware you needed: 3.0 L of 1.3 M NaOH

*November 27, 2013*

**American Govt**

Is efficiency the best standard for evaluating bureaucratic performance, or are there other important criteria by which to assess what the federal government does?

*October 22, 2013*

**American Govt**

Why does the bureaucracy continue to expand?

*October 22, 2013*

**American Govt**

How much control does the public, through its elected representatives in Congress, exercise over the bureaucracy?

*October 22, 2013*

**American Govt**

What expectations does the American public have of the federal government?

*October 22, 2013*

**literature**

Jefferson approved of the arrangement of the federal government into

*September 5, 2013*

**physics**

A Ferris wheel rotates at an angular velocity of 0.28 rad/s. Starting from rest, it reaches its operating speed with an average angular acceleration of 0.021 rad/s2. How long does it take the wheel to come up to operating speed?

*July 16, 2013*

**physics**

A pitcher throws a curveball that reaches the catcher in 0.67 s. The ball curves because it is spinning at an average angular velocity of 340 rev/min (assumed constant) on its way to the catcher's mitt. What is the angular displacement of the baseball (in radians) as it ...

*July 16, 2013*

**World History**

Why did Columbus fail as an administrator on land but excel as a ship captain?

*April 27, 2013*

**World History**

How did the Samurai become such a powerful force in Japan.

*April 13, 2013*

**World History**

Describe the lost libraries of Timbuktu.

*April 6, 2013*

**World History**

To say crusade in arabic means something awful compared to saying crusade in English, which means symply "an adventure or mission possibly of a religious manner

*April 3, 2013*

**World History**

How were the Byzantine's Engineering geniuses? Take two or three of their engineering feats and discuss how these marvels led to the empire's overall success.

*April 3, 2013*

**World History**

Why did Muhammad find the religion of Islam. How and why was the religion able to spread so rapidly?

*March 22, 2013*

**Chemistry**

Thank you so much once again Dr. Bob!

*March 15, 2013*

**Chemistry**

At least with part b. I figured out that part a is Pb(NO3)2

*March 15, 2013*

**Chemistry**

Well, what a coincidence. Hello Stephon! My uncle's name is Stephon, but he lives across the country from me. Anyways, can someone please help me with this problem?

*March 15, 2013*

**Chemistry**

Solid Na2SO4 is added to a solution which is 0.012 M in Pb(NO3)2 and 0.048 M in AgNO3. Assume the volume remains constant. Ksp = 2.0 10-8 for PbSO4 and Ksp = 1.2 10-5 for Ag2SO4. (a) Which compound precipitates first? (b) What is the concentration of the first ion precipitated...

*March 15, 2013*

**Chemistry**

Thank you! I got this one right.

*March 14, 2013*

**Chemistry**

A saturated solution of Mg(OH)2 is prepared having a large excess of Mg(OH)2. Sn(NO3)2 is added to the solution. Ksp = 1.8 10-11 for Mg(OH)2 and Ksp = 5.1 10-26 for Sn(OH)2. (a) What [Sn2+] is required to start the precipitation of Sn(OH)2? (b) What [Sn2+] is required so that ...

*March 14, 2013*

**Chemistry**

This revision was correct. Thank you so much for helping, I actually understand how to solve the problem now.

*March 14, 2013*

**Chemistry**

Pardon me, I meant -2(1.972) for NaOH and + 2(1.972) for NaCl

*March 14, 2013*

**Chemistry**

I think I see the problem. For the first ICE box, shouldn't C for NaOH and NaCl be + 2*(1.972)?

*March 14, 2013*

**Chemistry**

I keep getting 1.0e-10 for x. I even tried 1.03e-10. The answer is incorrect. I checked your work, and everything was calculated correctly, I'm not sure what went wrong.

*March 14, 2013*

**Chemistry**

If 11.6 mL of 0.17 M MgCl2 are mixed with 24.9 mL of 0.58 M NaOH, what will be the final concentration of Mg2+ in solution when equilibrium is established? Assume the volumes are additive. Ksp = 1.2 10-11 for Mg(OH)2

*March 14, 2013*

**World History**

What caused the destruction of Angkor Wat.

*March 8, 2013*

**World History**

Why did Julius Caesar lose power?

*March 2, 2013*

**World History**

What did Julius Caesar do after taking over Rome?

*March 2, 2013*

**World History**

How did Julius Caesar gain power.

*March 2, 2013*

**World History**

Consider the meaning of bloodletting and human sacrifice to the Mesoamericans How do these practices make sense in the context of their belief systems?

*February 23, 2013*

**World History**

What were Alexander's lasting contributions to society?

*February 23, 2013*

**World History**

Why did the Persians who seemed more powerful lose to Alexander?

*February 23, 2013*

**World History**

Please read Chapter 2 in the textbook The First Complex Societies in the Eastern Mediterranean, ca. 4000-550 B.C.E. (pp. 22-43) and answer the following questions: 1. The Hittites were considered to have military superiority at the time, and they were a major challenge to ...

*January 27, 2013*

**World History**

Ancient Egypt has long captured the imaginations of ordinary people, not just historians. There seems to be a fascination with Egypt even more than other ancient cultures. Briefly discuss why you think that Egypt has continued to intrigue people.

*January 27, 2013*

**World History**

What difficulties did early humans face in migrating to Australia and the Americas and what are the theories about how they overcame those difficulties?

*January 19, 2013*

**Algebra II (Exponents)**

Simplify: (8x^ y^27)^1/3

*June 5, 2012*

**Algebra II (Geometric Series)**

What is the sum of the following geometric series: 1+1/4+1/16

*June 5, 2012*

**Math**

Please ignore this question. I was a able to get it. Thanks For Reading!

*February 19, 2012*

**Math**

Need help understanding half-life/decay problem for upcoming test. A water filter is constructed to form a foam that removes 25% of the particulate impurities for each inch of foam. 1.What percentage of the particulate impurities will be removed by a filter consisting of two ...

*February 19, 2012*

**science**

an areroplane flies to the destination 600km west of its starting point. A wind is blowing from the North-west at 75 m/s. The pilot wants to complete the flight in 55 minutes. Calculate the direction to be taken by the pilot.

*February 4, 2012*

**Trig/Math**

RST is a triangle with right angle S. If s- 21.3 Angstroms and t=8.71 Angstroms, find the measure of the larger acute angle.

*November 22, 2011*

**arithmetic**

In a survey of 300 students,96 of them said that math is their favorite subject.

*August 8, 2011*

**construction**

well you are trying to fill inside of a rectangle with water so unless you already tried this I would find the volume of the pool(120x45x10)which gives us 54000. Then you would divide the volume of the pool by the rate at which it is filled so 54000/15(gal. per min.)= 3600. ...

*July 26, 2011*

**Geometery**

I am ask to write a two column proof. Given that AD is the diameter of circle O, and DC is tangent to O at D. Prove that Triangle ABD ~ (congruent) to triangle ADC

*July 26, 2011*

**College Bio**

Imagine you are conducting fieldwork and discover two groups of mice living on opposite sides of the river. Assuming that you will not disturb the mice, design a study to determine whether these two groups belong to the same species. If you could capture some of the mice and ...

*May 3, 2011*

**Tangu**

how long does it takes for 1000 pounds to melt in 12 feet of snow at 39 degrees

*February 13, 2011*

**Chemistry**

What is the maximum amount of sodium chloride that will dissolve in 250 mL of water at zero degrees celsius?

*January 5, 2011*

**statistics**

A population of N=8 scores has a mean of M =20. If one score is changed from X=14to X=30 , what would be the value for the new mean.

*June 23, 2010*

**algebra**

square roots 12a^3/25 equal what it radical and rational exponent

*May 25, 2010*

**math**

Yes you are right it do not have a parentesis it has square root.

*May 25, 2010*

**math**

square root of x+4-2square x-1=-1 could help me please.

*May 25, 2010*

**college algebra**

Radical and Rational Exponent find roots square roots of 12a^3/25 check this for me it find the roots of the problem

*May 25, 2010*

**college algebra**

3/t-3=5/t+4 3(t+4)(t-3)(5) check this problem

*May 24, 2010*

**college algebra**

in the problem there are no brackets x over x minus x/over x-4 equal -4 over x-4 solve each rational equation if it has no equation state so. simply with necessary Please help me

*May 24, 2010*

**college algebra**

x/2-x/x-4=-4/x-4=-4x^2/2 check this please

*May 24, 2010*

**algebra**

x^2+x/x^2-6x+8/x^2+3x+2/2x^2-7x+6 can some help me please...

*May 23, 2010*

**algebra**

x^2-4/x^2+3x+2 4x^2-y^2/y-2x I need help with these problem

*May 22, 2010*

**physics help**

Part one is asking for the speed of the pulse. The equation for speed is v = d/t (or v = s/t depending on your textbook. Velocity = Distance/Time. Since the pulse is traveling from the terminal to the other side, and back to origin, you must take double the distance of the ...

*April 27, 2010*

**life orientation**

By havin ubuntu here at sa

*April 13, 2010*

**Finance**

If sales grew 20% from 10,000,000 to 12,000,000 and the discresinary financing needs is 500,000. What percent of sales grown would be needed to equal a DFN of zero.

*March 31, 2010*

**math**

4,000,000-[(300,000)+x] = 147,000

*March 27, 2010*

**8th Grade Math**

Name the ordered pair if the x-intercept is -2.

*September 24, 2009*

**statistics**

Payne (2001) gave participants a computerized task in which they first see a face and then a picture of either a gun or a tool. The task was to press one button if it was a tool and a different one if it was a gun. Unknown to the participants while they were doing the study, ...

*June 29, 2009*

**statistics**

A psychologist interested in political behavior measured the square footage of the desks in the official office of four U.S. governors and of four chief executive officers (CEOs) of major U.S. corporations. The figures for the governors were 44, 36, 52, and 40 square feet. The...

*June 29, 2009*

**statistics**

On a standard measure of hearing ability, the mean is 300 and the standard deviation is 20. Give the Z scores for persons who score (a) 340, (b) 310, and (c) 260. Give the raw scores for persons whose Z scores on this test are (d) 2.4, (e) 1.5, (f) 0, and (g) –4.5.

*June 29, 2009*

**statistics**

A person scores 81 on a test of verbal ability and 6.4 on a test of quantitative ability. For the verbal ability test, the mean for people in general is 50 and the standard deviation is 20. For the quantitative ability test, the mean for people in general is 0 and the standard...

*June 29, 2009*

**Algebra II**

Thats what I thought but I was not sure. Thanks so much.

*April 16, 2009*

**Algebra II**

8x^3 -1 (2x)^3 - 1^3 (2x-1)(2x^2 + 2x + 1^2) -> but this doesnt factor

*April 16, 2009*

**Business writing**

Writing questions for examination on letters and Proposal writings in English for College Examination.

*January 23, 2009*

**business**

c. What factors should drive a company to continue in, expand, or exit its chosen market

*April 17, 2008*

**chemistry**

are you in my Peel online class too?

*April 12, 2008*

**chemistry**

According to the equation CH3COOH + NaOH ---> NaCH3COO + H2O is the the ratio in which the acid and the base react 1:1? How can I calculate the molar concentration of the acetic acid from this information?

*April 12, 2008*

**business**

Across all 12 countries, prices are now listed in common currency, the euro, and centuries-old currencies have been retired from circulation. Although the change has been emotionally difficult for many people, the European Union did it for solid economic reasons. The potential...

*April 8, 2008*

**business**

What are the benefits to Britain, Sweden, and Denmark of staying out of the euro zone? What are the potential costs? Do you think these countries will eventually join the euro zone? Under what circumstances will they join?

*April 8, 2008*

**social studies**

The monarchies of Russia, Austria, and Prussia enacted policies that: A. increased the role of the military B. Sought to seperate religion from the control of the state C. excluded nobles from all areas of public life D. worked to create an alliance against the French in the ...

*August 10, 2007*

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