# Tasha

Popular questions and responses by Tasha-
## math

a bin contains seven red chips, nine green chips, three yellow chips, and six blue chips. Whats the probability od drawing a red chip, replacing it, then drawing a blue chip

*asked on March 15, 2009* -
## Physics

A dog searching for a bone walks 3.50 m south, then 8.20 m north of east, and finally 15.0 m west. (a) What is the magnitude of the dog's total displacement? (b) What is the direction of the dog's total displacement where directly east is taken as zero

*asked on February 8, 2012* -
## chemistry

Four identical 1.0-L flasks contain the gases He, Cl2, CH4, and NH3, each at 0°C and 1 atm pressure. Which gas sample has the greatest number of molecules?

*asked on October 27, 2010* -
## Trigonometry

Simplify the expression using trig identities: 1. (sin4x - cos4x)/(sin2x -cos2x) 2. (sinx(cotx)+cosx)/(2cotx)

*asked on July 15, 2012* -
## Accounting

1. The price of a bond is equal to the sum of the interest payments and the face amount of the bonds. 1. True 2. False 2. When a corporation issues bonds, it executes a contract with the bondholders, known as a bond debenture. 1. True 2. False 3. A

*asked on July 25, 2010* -
## Health Care Administration

A Health Care Administrator has been hired by an, Ambulatory health care setting. What should the health care administrator expect to encounter in this type of health care setting, and how would the health care deal with issues or the different encounters

*asked on March 4, 2012* -
## math-help solve please

find out how long it takes a $2700 investment to double if it is invested by 7% compounded semiannually. Round to the nearest tenth of a year . Use the formula A=P[1+r/n]^nt

*asked on February 19, 2009* -
## Statistics

A bag contains 8 red marbles 4 blue marbles and 1 green marbles. Find p(not blue)

*asked on November 13, 2016* -
## Math

How many triangles are in a polygon whose sum of its interior angles is 1080°.

*asked on September 16, 2018* -
## statistics

"suppose that IQ scores have a bell-shaped distribution with a mean of 97 and standard deviation of 17.Using empirical rule, what percentage of IQ score are less than 46?"

*asked on September 8, 2013* -
## AP chemistry

A 28 g sample of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 19.5 g. What was the mass of iron in the sample of ore? Answer in units of g.

*asked on August 3, 2010* -
## children's literature

two types of biographies are:

*asked on June 6, 2013* -
## world history

How did powerful families of Japan like the Fujiwara legitimate their power at court

*asked on November 3, 2011* -
## chemistry

a balloon has 1.2l of a gas is at 1.1 atm.What will be the volume of the baloon if the baloon is placed in a partial vacuum with a pressure of 0.35atm?

*asked on September 30, 2011* -
## Geometry

Can the Isosceles Triangle Theorem be written as a biconditional? If yes, rewrite it as one, if no, explain why not.

*asked on January 18, 2008* -
## Math

Customers arrive at a movie theater at the advertised movie time only to find that they have to sit through several previews and prepreview ads before the movie starts. Many complain that the time devoted to previews is too long. A preliminary sample

*asked on April 2, 2019* -
## Math

What's the common factors of 10ab and 15a

*asked on December 7, 2016* -
## chemistry

Consider the reaction between 52.0 mL of liquid ethanol (C2H5OH; density = 0.789 g/mL) and 25.4 L of O2 at 27.0°C and a pressure of 1.65 atm. The products of the reaction are CO2(g) and H2O(g). Calculate the number of moles of H2O formed if the reaction

*asked on November 9, 2014* -
## government

If Congress disagreed with a Supreme Court ruling on a federal statute, it could possibly

*asked on July 7, 2010* -
## math

Following are three sets of letters. Draw one letter from Set 1 and place it in Set 2. Then draw one letter from Set 2 and place it in Set 3. Finally, draw a letter from Set 3. What is the probability that the last letter drawn is a B? B C B B B B Set 1

*asked on April 5, 2010* -
## math

a bin contains seven red chips, nine green chips, three yellow chips, and six blue chips. Whats the probability od drawing a red chip, replacing it, then drawing a blue chip

*asked on March 15, 2009* -
## Chem

Choose the member of each set that you would expect to be more soluble in water. Explain your answer. Chloroform, CH3Cl, or hydrogen chloride. My gut instinct was HCl, however I'm not sure why [or if] it's more soluble than CH3Cl. Of course HCl is more

*asked on March 20, 2007* -
## science

When hydrochloric acid reacts with sodium sulfide, hydrogen sulfide gas and sodium chloride are produced. How many moles of H2S will be generated by 2.56 moles of HCl? 2HCl + Na2S → H2S + 2NaCl

*asked on January 26, 2017* -
## physics

2. An object is 20.0 cm from a converging lens, and the image falls on a screen. When the object is moved 4.00 cm closer to the lens, the screen must be moved 2.70 cm farther away from the lens to register a sharp image. Determine the focal length of the

*asked on April 30, 2015* -
## math

Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.42 cross 10−5 watts/cm2

*asked on May 23, 2014* -
## subject verb agreement

there are several forms that you have to complete when you adopt a pet

*asked on January 11, 2013* -
## Chemistry

Can someone please explain this problem to me step by step pleaseeeeeee? In the following acid—base neutralization reaction HNO3 (aq)+ KOH (aq)---KNO3(aq) + H2O(I) What is the molarity (M) of an HNO3 solution if 50.0ml is needed to react with 25.0ml of

*asked on October 23, 2012* -
## Chemistry

Based on the following chemical equation answer the question below show all your calculation The balanced chemical reaction of iodine with hydrogen sulfide h2s(g)+i2(s)-----2HI(g) + S(s) (a) Based on the above chemically balanced equation, how many grams

*asked on October 20, 2012* -
## Chemistry

A 1.90-g sample of a large biomolecule was dissolved in 25.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule. For carbon tetrachloride, the boiling point constant is

*asked on July 15, 2012* -
## Basic Chemistry

What is the pressure of 64.0 g of oxygen gas in a 1.50-L container at -37°C a. 4.12atm b. 51.6atm c. 19.6atm d. 8.2atm

*asked on December 5, 2011* -
## cultural anthropology

Which of the following would anthropologists not consider a caste? A) the Eta of Japan B) Blacks in the American South in segregation days C) Anthropologists would classify all of these groups as castes. D) the Camar (leather-workers) of India

*asked on October 17, 2011* -
## Chemistry

Rubbing alcohol is a 90 mass % solution of isopropyl alcohol, C3H8O, in water. How many grams of rubbing alcohol contains 20.0 g of isopropyl alcohol?

*asked on February 1, 2011* -
## Microeconomics

Combination Health Care All Other Goods A 0 100 B 25 90 C 50 70 D 75 40 E 100 0 b. What is the opportunity cost of combination C? c. Suppose a second nation has the following data. Plot the PPC, and then determine which nation has the comparative advantage

*asked on October 17, 2010* -
## geometry

BC is an altitude with length of 30 of ƒ´ABD. AC has a length of 16 What is the length of CD? If necessary, round your answer to two decimal places.

*asked on June 27, 2010* -
## math

Following are three sets of letters. Draw one letter from Set 1 and place it in Set 2. Then draw one letter from Set 2 and place it in Set 3. Finally, draw a letter from Set 3. What is the probability that the last letter drawn is a B? B C B B B B Set 1

*asked on April 5, 2010* -
## math

A club has 5 members. From these members, the positions of president, vice-president, and treasurer have to be filled. In how many different ways can these positions be filled

*asked on July 1, 2019* -
## Math

The vertical angle of a cone is 60°and its slant height is 30cm. Find the radius of the base

*asked on September 16, 2018* -
## Math

6 lumberjacks can cut down 15 mahogany trees in 2 hours. How much longer will it take 8 lumberjacks to cut down 35 trees working at the same rate

*asked on September 16, 2018* -
## physics

when a tennis ball is served, it is a contact with the racket for a time that is typical 0.005 seconds. find the force needed to serve a 60.0 gram tennis ball moving with a velocity of 30.0m/s

*asked on November 14, 2017* -
## Math

Determine whether or not the first number is divisible by the second number 10,199; 3

*asked on October 24, 2017* -
## Math

Quadrilateral abcd has vertices A(1,1) B(3,5) C(4,7) D(2,6). In what quadrant is abcd located?

*asked on August 18, 2016* -
## spanish

I need help on writing five paragraph on why i like spanish

*asked on February 2, 2016* -
## business finance

please point me in the right direction to begin. Thanks! Your small business needs to buy new office furniture for your new headquarters. You have the option of leasing the furniture, or buying the furniture. You can purchase the furniture for $15,000 per

*asked on September 15, 2014* -
## business finance

I am in need of some major help. Your small business needs to buy new office furniture for your new headquarters. You have the option of leasing the furniture, or buying the furniture. You can purchase the furniture for $15,000 per year, or lease the same

*asked on September 15, 2014* -
## chemistry

how many grams of hydrogen are needed to completely react with 8 moles of nitrogen from this equation N2+H2=NH3

*asked on April 28, 2014* -
## math

The account balance on April 1st is $50.51. On April 15th a payment of $15.00 is made. On April 25th a purchase of $19.27 is made. What is the finance charge if the annual rate is 18%?

*asked on April 12, 2014* -
## Physics

How much heat must be removed when 25 grams of steam at 100°C Is condensed to form liquid water at 100°C?

*asked on March 6, 2013* -
## Math

In one year, Melinda grew 2 1/4 inches to 48 3/8. What was her height at the beginning of the year?

*asked on February 19, 2013* -
## Chemistry

What is the molarity of a solution of Mg(OH)2 if the solution contains 1.35 g in exactly 100 mL of solution??? A 15.0 mL solution of H2SO3 is neutralized by 12.0 mL of a standradized 1.00M NaOH solution. What is the concentration of the H2SO3

*asked on December 12, 2012* -
## Chemistry

Can someone please explain this problem step by step. How would you prepare 1000.0ml of 0.600M NaOH solution starting from concentration of 1.000M

*asked on October 23, 2012* -
## Chemistry

the following acid—base neutralization reaction HNO3 (aq)+ KOH (aq) --KNO3(aq) + H2O (I) What is the molarity (M) of an HNO3 solution if 50.0ml is needed to react with 25.0ml of 0.150M KOH solution?

*asked on October 20, 2012* -
## chemistry

Based on the following chemical equation, answer the questions below. Show all your calculation The balanced chemical reaction of iodine with hydrogen sulfide is as follows: H2S(g)+I2(s)-----2HI(g) + S(s) (a) Based on the above chemically balanced

*asked on October 19, 2012* -
## Chemistry

In the following acid—base neutralization reaction HNO3(aq)+ KOH(aq) ----KNO3(aq) + H2O (I) What is the molarity (M) of an HNO3 solution if 50.0 ml is needed to react with 25.0 ml of 0.150M KOH solution?

*asked on October 19, 2012* -
## English

How do you determine criteria for evaluating something? What specific areas should you consider? What is the importance of establishing clear criteria?

*asked on September 27, 2012* -
## math

what is the ratio of the number of seconds in a day to the number hours in a day

*asked on August 24, 2012* -
## information literacy

Which of the following will probably contain the most objective data? A. A letter rebutting an article in a medical journal B. An editorial in The Washington Post C. A report with charts documenting hourly wage rates by occupational group D. A memoir about

*asked on January 15, 2012* -
## information literacy

When choosing your search strategy for a search engine, it's best to A. combine keywords into phrases by using quotation marks. B. enter the least important word first. C. use verbs, articles, and capitals. D. ignore alternate spellings.

*asked on January 15, 2012* -
## English

What is the verb in this sentence I was dehydrated after my long jog in the park.

*asked on October 25, 2011* -
## college pathology 2

Have anybody take this class? If so can you help me!!!!

*asked on May 26, 2011* -
## college pathology 2

What does a vegetative state refer to? A.) Decreased responsiveness and an inability to function B.) Loss of awareness and mental capabilities, resulting from diffuse brain damage, although brain stem functions continue C.) Continuing intellectual

*asked on May 26, 2011* -
## chemistry

i am trying to find the average rate of h2? from mastering chemistry home work. part a answer was 0.027m/s and part b answer was 0.054m/s. i cant find part c home answer

*asked on April 19, 2011* -
## Microeconomics

Suppose a second nation has the following data. Plot the PPC, and then determine which nation has the comparative advantage in which activity. Show whether the two nations can gain from specialization and trade.

*asked on October 17, 2010* -
## psychology

describe why it is important to consider each domain in the study of adult development

*asked on September 26, 2010* -
## chemistry

1.0 of a 4.0 solution is added to water so that the final volume is 8.0 .

*asked on May 24, 2010* -
## physics

the speed of a transverse wave on a string is 450 m/s while the wavelength is .18m. the amplitude of the wave is 2mm how much time is required for a particle of the string to move through a total distance of 1km

*asked on April 25, 2010* -
## math

Can someone assit me with my two math problems Assume that the salaries of elementary school teachers in the united states are normally distributed with the mean of 36,000 and a standard deviation of 6,000. What is the cut off salary for teachers in the

*asked on April 18, 2010* -
## Math

Hi these are the problems I attempted, can someone tell me If I did them correctly? Thanks in advance3 Jane has invited 126 people for a pizza party. If each pizza has 18 slices and she estimates that she needs 3 slices per person, then how many pizzas

*asked on March 20, 2010* -
## algebra

Cole's two student loans totaled $31000. One of his loans was at 2.8% simple interest and the other at 4.5%. After one year, Cole owed $1024.40 in interest. What was the amount of each loan?

*asked on March 19, 2010* -
## National Deploma Graphics

What are the changes between realisum and abstraction in Europe ?

*asked on November 19, 2009* -
## mathematics

Squareroot of (0.0256/25) giving your answer in standard form. Is the ans (0.0256/25)= 0.001024 Squareroot of 0.001024 = 0.032

*asked on June 13, 2009* -
## 7th grade

can there be a prepositin in the subject

*asked on February 5, 2009* -
## Chem

Why -OH groups readily soluble in water? If the hydrogen bonds are relatively strong, shouldn't they be less soluble? The OH^- ion is polarized. Water molecules are polarized. Like dissolves like.

*asked on March 20, 2007* -
## science

the potential energy of a golf ball in a hole is negative with respect to the ground. Under what circumstances(if any) is the ball's kinetic energy negative? Its rest energy? The kinetic energy of the ball is zero when it isnt moving, whether it is ion the

*asked on February 19, 2007* -
## com 120

Richard III supposedly had the young princes murdered. Never found out what really happened to them. Thank you for using the Jiskha Homework Help Forum. He was accused of the death of the young princes but since the bodies were never found, who knows? Here

*asked on October 26, 2006* -
## government

A statement of personal belief or judgement

*asked on June 10, 2020* -
## Physics

In a sound wave in air, the adjacent rear faction and cooperation are separated by a distance of 17m. If the velocity of the sound is 340ms, determine the frequency

*asked on March 3, 2020* -
## Math

Given a triangle abc such that

*asked on September 16, 2018* -
## Math

In a math class, students can take either algebra or geometry or both. If there are 50 students in the class and 35 take geometry, while 28 take algebra, how many students take both?

*asked on September 16, 2018* -
## chemistry

What is the empirical formula of a compound that contains two moles of calcium, two moles of sulfur and eight moles of oxygen? A. CaS0 B. CaS02 C. CaSO4 D. Ca2S0 i think D

*asked on May 14, 2018* -
## Math

x + y = 21 what can be the smallest integer for positive xy

*asked on January 27, 2018* -
## Math

lucy has 77 blank recipe cards. she divided her recipe box intpo 9 sections. if 5 sections have 1 more card than all the other sections, how many cards are in each section?

*asked on November 28, 2017* -
## Math

our credit card has a balance of $5800 and an annual interest rate of 18 %. You decide to pay off the balance over three years. If there are no further purchases charged to the card, a. How much must you pay each month? b. How much total

*asked on November 14, 2016* -
## Strategic Management

A multidomestic strategy is similar to a transnational strategy. True or False?

*asked on October 2, 2016* -
## Calc

Hello everyone! Could you please help me with this one, I do not even know where to begin D: Show that of all isosceles triangles with two equal sides L and L, the one with the largest area is the one whose two equal sides are perpendicular. The only thing

*asked on August 11, 2016* -
## English

The question is what is the subject of the poem (Incident in a rose garden) I say it's death. Is this right?

*asked on February 4, 2016* -
## Algebra

If (c) were f(k)=-4/k+7, what value of k would be excluded from the domain?

*asked on November 25, 2015* -
## math

A circular pool 2 meters in diameter is in the middle of a 5 meter by 5 meter square of gravel.What is the area actually covered by gravel?

*asked on November 21, 2015* -
## math

estimate the product. choose a method. 63×19

*asked on November 18, 2015* -
## Us history

"Yellow journalism" during the late 19th century was marked by A) a decrease in readership B) over reliance on fossil evidence C) a decline of popularity of radio D) sensational headlines in questionable

*asked on November 17, 2015* -
## math

Ms. Bran brought 36 muffins to school. They were equally packed into 4 boxes. How many muffins were in each box?

*asked on November 10, 2015* -
## Business Law

You are the chief executive officer of Money Games Inc. (MGI), which has begun to market Borrow & Spend, a video game set in the world of finance. To buy ads, MGI borrows 50,000 from First Saving Bank. On MGI’s behalf, you signed a note for the loan and

*asked on June 8, 2015* -
## science

The analysis of lead (Pb) in a sample of solder was carried out using atomic absorption spectroscopy as follows. 1.013 g of solder was completely dissolved in a small volume of nitric acid and the solution made up to 1.000 L with distilled water. A 50.0

*asked on April 4, 2015* -
## Chemistry

Please help!! If the density of fresh water at 4 degrees Celsius is 1.00g/mL, determine if the following objects will sink or float in water. 1.) A 200 feet (61m) tall pine tree that weighs 11,200 pounds (5,080 kg) and has a density of 0.88g/mL 2.) One

*asked on February 12, 2015* -
## Mat104

ind the future value, using the future value formula and a calculator. (Round your answer to the nearest cent.) $955 at 5.5% compounded quarterly for 3 years

*asked on February 9, 2015* -
## Math

1/27 + 1/9 + 1/3 + ... + 81 I know the series is geometric. d = 1/3 Multiplying each by 1/3 to get the next value do i use the sum of geometric series a(1-r^n)/ 1-r

*asked on December 12, 2014* -
## Reading

In Regarding Pain of Others, what does that title suggest about the nature of the inquiry Sontag will make? In what ways does it capture the essence of Sontag's point? In what ways did it fail to do this?

*asked on September 3, 2014* -
## Physics

Can someone explain the magnitude and direction of the acceleration of a ball moving upward, downward,and at the highest point? a=g

*asked on June 8, 2014* -
## algebra

The atmospheric pressure P in pounds per square inch (psi) is given by P = 14.7 e−0.21 a where a is the altitude above sea level (in miles). If a city has an atmospheric pressure of 12.21 psi, what is its altitude? (Recall that 1 mi = 5,280 ft. Round

*asked on May 23, 2014* -
## math

Sam Seller offers credit at 19% interest per year.

*asked on April 12, 2014* -
## operating system

A database structure can be changed by?

*asked on October 8, 2013*