Saturday
January 21, 2017

# Posts by Gregory

Total # Posts: 97

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

college
.) Construct a frequency distribution table for the following set of scores. Include columns for proportion and percentage in your table. Scores: 5, 7, 8, 4, 7, 9, 6, 6, 5, 3 9, 6, 4, 7, 7, 8, 6, 7, 8, 5
August 19, 2010

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
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

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

Writing questions for examination on letters and Proposal writings in English for College Examination.
January 23, 2009

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