Wednesday

July 29, 2015

July 29, 2015

Total # Posts: 1,437

**Calculus**

If an arrow is shot straight up from the surface of the moon with an initial velocity of 100 ft/s, its height in feet after t second is given by s(t)=(100t)−(83/100)(t^2). Use the limit definition of the derivative to find the answers to the following questions. Find the...
*June 8, 2013*

**math**

15 tv were shipped 4 were defective if 2 tv's were random selected compute the possibility of both tv's working and the probability that at least one of the 2 tv does not work
*June 6, 2013*

**math**

Bessy has 6 times as much as Bob, but when each earns $6, Bessy will have 3 times as much money as Bob. How much does each have before and after earning the $6? How do you set up the equation?
*June 3, 2013*

**Statistics**

How do you fine the P-value?
*May 25, 2013*

**chemistry**

Ignoring activities, determine the molar solubility (S) of Zn(CN)2 in a solution with a pH = 3.63. Ksp (Zn(CN)2) = 3.0 × 10-16; Ka (HCN) = 6.2 × 10-10. I'm completely lost help please!
*May 23, 2013*

**Animal Anatomy & Physiology 1**

Which of the following would involve primarily skeletal muscle activity? A. scratching the ear with hind limb B. movement of food down the intestines C. heart pumping blood D. urination
*May 16, 2013*

**Can't find in text book. Anatomy & Physiology 1**

A researcher develops a new drug that kills cells by preventing transcription. The most direct effect of the drug is to prevent cells from? A. making new DNA B. exporting substances to the cytoplasm C. making protein D. breaking down substances in the cytoplasm
*May 16, 2013*

**Please help! Exam Monday! Anatomy & Physiology**

A characteristic of smooth muscle, not seen in skeletal or cardiac muscle, is? A. intercalated disks B. peristalsis C. sarcosomes D. longer, cylindrical myofibrils
*May 16, 2013*

**Please help! Exam Monday! Anatomy & Physiology**

Which of the following is true regarding the spleen? A. the red pulp is made up of phagocytic cells B. the white pulp is made up of phaocytic cells C. the red pulp is clustered around capillaries D. the white pulp is clustered around arterioles
*May 16, 2013*

**Please help! Exam Monday! Anatomy & Physiology**

From the left ventricle, blood flows most directly into which structure? A. aorta B. vena cava C. right ventricle D. left atrium
*May 16, 2013*

**Please help! Taking exam Monday! Anatomy & Physiol**

Nutrients move out of the blood and into the body cells through which blood vessels? A. arteries B. veins C. capillaries D. lymphatic vessels
*May 16, 2013*

**Anatomy & Physiology 1**

An animal that's experiencing a laryngospasm has its airway obstructed when which of the following occurs? A. vocal folds and associated cartilage and muscles close the glottis. B. the soft palate covers palate C. the hard palate covers the glottis D. the epiglottis covers...
*May 16, 2013*

**math**

Solve the following: 56 is ______% of 125 What number is 45% of 680? ..
*May 15, 2013*

**Anatomy & Physiology**

Although all of the structures of the respiratory system are in contact with the circulatory system, which respiratory structure is most closely associated with dense network of capillaries? A. pharynx B. vocal folds C. trachea D. alveoli
*May 15, 2013*

**Anatomy & Physiology**

A characteristic of smooth muscle, not seen in skeletal or cardiac muscle, is? A. intercalated disks B. peristalsis C. sarcosomes D. longer, cylindrical myofibrils
*May 15, 2013*

**Anatomy & Physiology**

A researcher develops a new drug that kills cells by preventing transcription. The most direct effect of the drug is to prevent cells from? A. making new DNA B. exporting substances to the cytoplasm C. breaking down substances in the cytoplasm D. making protein
*May 15, 2013*

**Anatomy & Physiology**

The nonliving matrix of the connective tissue through which the blood cells freely flow is the? A. plasma B. extracellular fluid C. intracellular fluid d. submucosa
*May 15, 2013*

**Anatomy & Physiology**

The scientific binomial name of a species is Canis vulpis. Which of the following is true? A. the species belongs in the family Canis B. the species belongs in the genus vulpis C. the species belongs in the genus Canis D. the species belongs in the family vulpis
*May 15, 2013*

**Anatomy & Physiology**

The scientific binomial name of a species is Canis vulpis. Which of the following is true? A. the species belongs in the family Canis B. the species belongs in the genus vulpis C. the species belongs in the genus Canis D. the spoecies belongs in the vulpis
*May 15, 2013*

**Anatomy & Physiology**

The nonliving matrix of the connective tissue through which the blood cells freely flow is? A. plasma B. extracellular fluid C. intracellular fluid D. submucosa
*May 15, 2013*

**science**

The nonliving matrix of the connective tissue through which the blood cells freely flow is the? A.plasma. B. extracellular fluid. C. intracellular fluid. D. submucosa.
*May 14, 2013*

**science**

The scientific binomial name of a species is Canis vulpis. Which of the following is true? A. The species belongs in the family Cranis. B. the species belongs in the genus vulpis. C. the species belongs in the genus Canis. D. the species belongs in the family vulpis.
*May 14, 2013*

**biology**

A researcher develops a new drug that kills cells by preventing transcription. The most direct effect of the drug is to prevent cells from? A. making new DNA. B. exporting substances to the cytoplasm. C. making protein. D. breaking down substances in the cytoplasm.
*May 13, 2013*

**biology**

The nonliving matrix of the connective tissue through which the blood cells freely flow is the? A. plasma B. extracellular fluid. C. intracellular fluid. D. submucosa
*May 13, 2013*

**biology**

The scientific binomial name of a species is Canis vulpis. Which of the following is true? A. the species belongs in the family Canis. B. the species belongs in the genus vulpis. C. the species belongs in the genus Canis. D. the species belongs in the family vulpis.
*May 13, 2013*

**statistics**

find the area between z=0 and z=0.9 under the standard normal curve is
*May 11, 2013*

**Chemistry**

For the following battery: Cd(s) | CdCl2(aq) || Cl–(aq) | Cl2(l) | C(s) (a) Write the reduction half-reaction occuring at the C(s) electrode. (Include physical states of reactants and products.) C(s) electrode:? (c) Calculate the mass of Cl2 consumed if the battery ...
*May 6, 2013*

**accounting**

The forecast overhead for the current year will be $11,279,512 and that total machine hours will be 160,228 hours. The actual overhead is $7,919,409 and the actual machine hours are 90,509 hours. If the Thomlin Company uses a predetermined overhead rate based on machine hours ...
*April 30, 2013*

**life orientation**

5 environmental health hazards that cause Ill health crises and disasters in South africa
*April 29, 2013*

**Physics**

Pls Flu post 1 and 2.
*April 26, 2013*

**Chemistry**

Find the entropy change of the universe when 2 moles of water freezes at -10 degrees celsius. The delta G for the freezing of water at -10 degrees celsius is -210 J/mol and the heat of fusion of ice at this temperature is 5610 J/mol.
*April 21, 2013*

**Chemistry**

Find the entropy change of the universe when 2 mol of water freezes at -10 degrees celsius.
*April 21, 2013*

**Math**

How to solve I want to build fence. Around garden garden is 4 meters wide and 7 meters long? How many meters of fencing needed to buy
*April 18, 2013*

**Economics**

A decrease in the income tax rate _Increases_____ the value of the multiplier? That was my answer. Increases?
*April 15, 2013*

**uop**

10) Independent Variable is to CAUSE as Dependent Variable is toâ€¦? A. Predictor B. Effect C. Response D. Perception
*April 13, 2013*

**uop**

9) A specific score in a distribution of data minus the mean and divided by the standard deviation produces a value known as aâ€¦? A. Beta B. Z Score C. Variability Score D. Coefficient of Determination
*April 13, 2013*

**UOP**

8)X- DIVIDED BY 9=18 (Solve for X) A. 17 B. 21 C. 12 D. 31
*April 13, 2013*

**UOP**

7) What is the relationship of the Mean, Median and Mode as Measures of Central Tendency in a true Normal Curve? A. They are equal B. They align Median, Mode and Mean in that order C. They align Mean, Median and Mode in that order D. They align Mode, Median and Mean in that order
*April 13, 2013*

**UOP**

6) A Dichotomous Variable represents what level of measurement within the realm of quantitative analysis? A. Ordinal B. Nominal C. Ratio D. Interval
*April 13, 2013*

**UOP**

5) In a 95% Confidence Interval, the true mean has what chance of falling between the Lower Limit and Upper Limits of the calculated confidence interval? A. .90 B. 95% C. .05 D. 5%
*April 13, 2013*

**UOP**

An extreme score that sets apart in value from the general distribution of values with which it is connected is known asâ€¦? A. Champion score B. Anomalous indicator C. Outlier D. Incongruous data
*April 13, 2013*

**UOP**

What particular measure of correlation would be most appropriate for use with two variables measured at an ordinal level? a. Spearmanâ€™s Rho B. Pearsonâ€™s r C. Contingency Coefficient D. Chi Square
*April 13, 2013*

**UOP**

Independent trials in relationship to probability theory means that? a. The outcome of each trial is totally independent from each other trial conducted B. Each outcome has an indendent relationship to the whole C. The outcome of each trial is dependent upon the previous but ...
*April 13, 2013*

**stats.**

All the following are measures of variability or dispersion within a set of data except? range, median, standard deviation, variance
*April 13, 2013*

**math**

find the circumference of a frisbee that has a diameter of 4 inches?
*April 4, 2013*

**Economics**

What is the concept of the invisible hand?
*April 3, 2013*

**Economics**

A market failure is when markets do not bring about profit maximization?
*April 1, 2013*

**Health Ethics**

I just need to describe the situation and identify and explain the law that relates to the scenario. The scenario states that the manager terminated the employees. I am assuming this means all employees involved including the original person who filed the complaint. Is that ...
*March 27, 2013*

**Health Ethics**

Would the manager be terminating the three witnesses plus the original complaintant?
*March 27, 2013*

**Health Ethics**

I have tried to answer these questions myself but still need some more help. The following are my responses. Please review and let me know if you think my answers are correct. If I have chosen the correct law for Question #2 please help me with information on this law in ...
*March 27, 2013*

**Health Ethics**

I need help with the following scenario to get started on a project. I am totally lost. Please HELP! Scenario: One of the patient care aides has complained to her manager that the Chief Medical Officer of the hospital has been following her around, making lewd comments, and ...
*March 27, 2013*

**algebra**

a chemist has 12% hydrochloric acid+24% hydrochloric. How many of each should be 16 liters of 21%hydrochloric?
*March 25, 2013*

**history**

alfred m. landon
*March 25, 2013*

**Algebra**

Abe and Sal left at the same time. They traveled in opposite directions. Sal traveled 50mph faster than Abe. After four hours, they were 400 miles apart. Find Abe's speed.
*March 15, 2013*

**Geometry**

Point M is the midpoint of the line equation ABMC. Which of the following is not true? (1)AM = MC (2) AB < MC (3) AM > BC or (4) BM < MC
*March 12, 2013*

**Algebra**

Please look at the following simplification of an algebraic expression. Which line contains the mistake and why? Line 1: (2x + 6x) + 4y + 3x - 2xy Line 2: (8x) + 4y + 3x - 2xy Line 3: 8x + 3x + 4y - 2xy Line 4: 11x + 4y - 2xy Line 5: 13xy
*March 11, 2013*

**math**

UGH! The human population of the world is over 6 billion. The increase of the human population P (in billions) can be approximated using the following formula: P = 0.073t + 6.08, where t is the number of years after the year 2000. Use the formula to predict how many years it ...
*March 11, 2013*

**math**

I am beginning to feel stupid here! Twelve more than twice a number is 22. Find the number
*March 11, 2013*

**math**

Marks: 6 If in a triangle ABC, m<45=degrees and m<B=75 degrees, what is M<C?
*March 11, 2013*

**Math**

Find the area of a circle with a radius of 4 meters (use 3.14 for PI)
*March 11, 2013*

**College Math**

Find the area of a triangular piece of carpet that has a 12-inch base and is 18 inches high.
*March 11, 2013*

**eth 125 Wk 5**

what the the economic, social and political standing of african americans in todays society
*March 10, 2013*

**Algebra**

I thought number 4 on this list was incorrect but didn't know how to fully explain it here is the list that I have. Please look at the following simplification of an algebraic expression. Which line contains the mistake and why? Line 1: (2x + 6x) + 4y + 3x - 2xy Line 2: (...
*March 8, 2013*

**Algebra**

11x + 4y - 2xy Is this correct and if not why?
*March 8, 2013*

**nursing**

A physician orders dolasetron (Anzemet) 1.8 mg/kg IV for prevention of chemotherapy-induced nausea and vomiting. Dolasetron (Anzemet) is available in a 20 mg/mL vial. How many milliliters will be prepared and administered per dose to a 134-lb client? not to sure, please help
*March 5, 2013*

**Math**

Find the total investment and the interest earned when $2,500 is invested at 5% compounded semiannually for 3 years.
*February 20, 2013*

**enl**

My cat is too playful
*February 19, 2013*

**geometry**

6. The isosceles trapezoid is part of an isosceles triangle with a 34° vertex angle. What is the measure of an acute base angle of the trapezoid? Of an obtuse base angle? The diagram is not drawn to scale. (1 point)73o; 107o 34o; 146o 73o; 146o 34o; 107o
*February 13, 2013*

**Chemistry**

What is sigma framework?
*February 11, 2013*

**chemistry**

The scientist has an IR spectrometer in her lab. She acquires an IR spectrum of compound X and finds a relatively weak intensity absorption at ~2100 cm-1 and some medium to strong absorptions in the 2850~2960 cm-1 region plus a strong absorption at 3300 cm-1. Identify the type...
*February 10, 2013*

**Math**

Thank you, but i'm still a little confused. I understand everything until the +.76x + .76x (x add to .76x=1.76x) Are you saying to add .76x + .76x then, take the sum of that and add to .0152? I still can't get the 1.76...
*February 10, 2013*

**Math**

Working on a problem and can't figure out how the book rearranged this problem to get the following: 0.76= x/0.0200-x then, the book rearranged to solve for x... x= 0.0200 X 0.76/ 1.76 I don't understand how 1.76 was obtained? I see that you cross multiply to get 0....
*February 10, 2013*

**Chemistry**

A 0.100 mol sample of H2S is placed in a 10.0 L reaction vessel and heated to 1132°C. At equilibrium, 0.0285 mol H2 is present. What is the value of Kc at this temp? 2 H2S(g) 2 H2(g) + S2(g After I do my calculations, I get Kc= (0.0057)2 X (0.00285)/(0.0043)2 and get 5.03 ...
*February 9, 2013*

**Chemistry**

The main reason for the increase in reaction rate with temperature is that: The activation energy increases rapidly with temp (I think it is this one) A 10 C temp rise results in the rate doubling heats acts as a catalyst or The fraction of high-energy molecules increases ...
*February 9, 2013*

**Advanced Algebra Honors**

A rectangular garden 50 m. long and 34 m. Wide is surrounded by a uniform dirt road. Find the width of the road if the total area of the garden and road is 4292 m^2.
*February 7, 2013*

**Literature**

I need help doing a chapter by chapter analysis of the short story Flags Waving by Carolyn Steele Agosta
*January 31, 2013*

**geometry**

Angle BAC equals 1/2 angle ACB; what is angle DAB?
*January 29, 2013*

**least to greatest**

1/5, 1/6, 5/10
*January 22, 2013*

**money conversion problem**

I have a currency conversion problem that I have found difficult to solve. Suppose that a currency speculator believes that as time goes on the exchange rate is going to fall. On November 1st the speculator converts $1,000 US into Canadian dollars (just call the converted ...
*January 22, 2013*

**Algebra**

find the slope -intercept form for 2x+6y=11
*January 12, 2013*

**math**

find the amplitude of y = 3sin2πx.
*January 11, 2013*

**Computers**

In vista and windows 7, which process allows you to display two documents side by side?
*January 5, 2013*

**math**

what fraction of 2 hours is 40 minutes ?
*December 31, 2012*

**math**

calculate the monthly payment by loan amortization table: loan $26,000; down payment $5,000; 11% 36 months
*December 30, 2012*

**math**

write a 2 column proof, Given D is the midpoint of AC, E is the midpoint of BC and DE is congruent to EF, prove: DE is parallel to AB and DE = 1/2 AB. answer is 15 steps
*December 29, 2012*

**math**

I am really stuck on a couple of these. 2 column proof Given: FH is congruent to GE and angle HFG is congruent to angle EGF Prove: triangle GEH is congruent with triangle FHE.
*December 29, 2012*

**geometry**

I am really stuck on a couple of these. 2 column proof Given: FH is congruent to GE and angle HFG is congruent to angle EGF Prove: triangle GEH is congruent with triangle FHE.
*December 29, 2012*

**geometry**

write a 2 column proof, Given D is the midpoint of AC, E is the midpoint of BC and DE is congruent to EF, prove: DE is parallel to AB and DE = 1/2 AB. answer is 15 steps
*December 29, 2012*

**Pre Algebra Help ASAP**

The reason the that C has an infinite number of solutions as opposed to the others is because you essentially have 7x +5 = 7x +5 (because you can add the 4x and 3x to make 7x so any answer will work because it will be the same answer on each side no matter what and the other ...
*December 21, 2012*

**College Algebra**

Reiny thank you because I didn't answer Damon's I knew it had to have something to do with 25 being 1/4 of 100 but your explanation of thinking of it as * 1/4 made sense to me so thank you
*December 21, 2012*

**College Algebra**

Why is t= ln(2)/.04 the same as t= 25ln(2)? Please explain it step by step. What rule do you use or how do you change the .04 to the 25?
*December 21, 2012*

**Algebra Grade 7**

the number cube question Assuming the die (number cube) is fair, any side is equally probable. Therefore the probability of landing on "1" is 1/6. The key here is that the tosses are independent: The previous tosses have no impact on the result of the next toss. So ...
*December 21, 2012*

**Algebra Grade 7**

The chance of having a boy or girl each time is 1/2 so wouldn't you just say 1/2 * 1/2 *1/2 * 1/2 = 1/16 chances of having 2 boys and 2 girls because each of the 4 times it would be 1/2 to have one or the other so it doesn't change just because of what you had previous...
*December 21, 2012*

**Math**

(a) 2D = 13 - 3 (subtract 3 from both sides) then 2D = 10 so divide both sides by 2 and you end up with D = 10/2 10 divided by 2 is 5 so D = 5 (b) 12E - 3= 0 add three to both sides and know you have 12E=3 now divide both sides by 12 and you have E=3/12 Three divided by 12 is ...
*December 21, 2012*

**College Algebra**

I have t = ln(2)/.04 and the book has the answer as 25ln(2) I know these are the same but please show me the steps to go from ln(20)/.04 to 25ln(2) What rules etc. make it so I can do that so I can do it on later problems Thank you
*December 20, 2012*

**CHEMISTRY HELP ASAP**

A 1.26 g sample of He gas has a pressure of 0.123 atm and a volume of 32.6 L. What is the temperature of the sample, in °C?
*December 19, 2012*

**math**

4/5 of x = $12.52. what is x?
*December 13, 2012*

**combusion -science **

the reaction order with respect to C4H10 =.15 and the reaction order with respect to O=1.6 , the pre exponential factor =4.16.10^9 . the activation energy =125000 kl/kaul. write out an expression for the rate of butane destruction
*December 9, 2012*

**chemistry**

Its general formula is BaTi(SiO3)3.If a 15-carat stone were pure BaTi(SiO3)3, how many moles of silicon would it contain? (There are exactly 5 carats per gram.)
*November 29, 2012*

**Math**

when he left on vacation, the odometer in Carl's car read 32,654 miles. hen he returned from his trip it read 33,895. If he used 54.7 gallons of gas, how many miles per gallon did he get? Round to the nearest hundredth.
*November 28, 2012*