# Short answer find the quotient 6x^3-x^2-7x-9 ------------ 2x+3

143,010 questions, page 658-
## English

Generally, any sentence that contains research-based information must include a three-part in-text citation that lets readers know the source of the information. True False I sat True. Please check my answer.

*asked by Tim on January 28, 2017* -
## chemistry

A solution of 114 mL of 0.190 molecules KOH is mixed with a solution of 200 mL of 0.220 molecules NiSO4. a. write a balanced equation for the reaction that occurs. identify all phases in answer

*asked by susie on October 2, 2011* -
## math

an end-of-season sale for winter clothes advertise 30% to 45% off the original piece. What was the highest original price of a jersey that is now on sale for $12.99. Give your answer as a decimal rounded to the hundredths place.

*asked by dell on November 2, 2012* -
## college

Suppose that, for a certain exam, a teacher grades on a curve. It is known that the grades follow a normal distribution with a mean of 70 and a standard deviation of 7. There are 45 students in the class. How many students should receive an A? Please,

*asked by Anonymous on December 22, 2010* -
## Science

Caleb is holding a metal block in his hand. What could he do to decrease the thermal energy of the block? -Cool it (A) -Drop it (B) -Hit it (C) -Melt it (D) PS. I think it is Cool It, but I do not know for sure if it is correct or not. I do not think any

*asked by Gabby on November 12, 2014* -
## 6th Grade Math

I really don't know what to do on this question. If someone could start me off I could probably get the answer. Remember I am in 6th grade. Dani has a sack of 50 pens. Of these, 10 are black, 15 are blue, and the rest are red. If she grabs a handful of 5

*asked by Missy on April 21, 2008* -
## Computers

To create a software environment, a programmer must define the _____ for each element in the environment. a)properties b)keys c)ranking d)order I think it is a) properties, but I am having a difficult time locating the answer in my text to make sure.

*asked by Sue on February 22, 2010* -
## pharmacy calculation

A suspension contains 2400 mg of active drug in 1000 ml waht is the percentage of drug in the final product? what is the answer? Total mass is 1000g + 2.400g. Percent by mass (m/m)= 2.4 /1002 * 100

*asked by sheila on October 23, 2006* -
## Calculus 1

Related Rates: The minute hand on a watch is 9 mm long and the hour hand is 6 mm long. How fast is the distance between the tips of the hands changing at one o'clock? (Round your answer to one decimal place.)

*asked by TayB on October 8, 2015* -
## Intro to psychology / science

One part of the brain, if stimulated during adolescence, will form two distinct regions. This area of the brain is referred to as: A.) the occipital lobes B.) the pituitary glands C.) Broca's area D.) the parietal lobe I think the answer is B. am i right?

*asked by pateyn on January 5, 2012* -
## Math

Wellesville must meet a budget of $27,000. All of the city's income is derived from property tax. What rate of tax must they use if the assessed value of the taxable property is $1,173,913? (Answer to tenths) how do you work this out?

*asked by Rhett cowley on May 9, 2014* -
## Algebra

Suppose a population of bacteria in a Petri dish has a doubling time of 6 hours. How long will it take for an initial population of 11000 bacteria to reach 20000? Round your answer to two decimal places.

*asked by Tim on October 10, 2015* -
## physics

An airport has runways only 142 m long. Asmall plane must reach a ground speed of 45 m/s before it can become airborne. What average acceleration must the plane’s engines provide if it is to take off safely from its airport?Answer in units of m/s2.

*asked by kayla on September 15, 2011* -
## physics

Two point charges, -20μC and +40μC , are separated by a distance of 17.0cm . What is the magnitude of the electric field at a point halfway between the two charges? Express your answer to two significant figures and include the appropriate units

*asked by jrfannin on February 4, 2014* -
## Statistic

To get an A grade on the test, you need a total score of more than 16 points. One of the students knows the correct answer to 6 of the 20 questions. The rest she guesses at random by tossing a coin (one toss per question, as in 4B). What is the chance that

*asked by AmmanJordan on April 20, 2013* -
## science

To get an A grade on the test, you need a total score of more than 16 points. One of the students knows the correct answer to 6 of the 20 questions. The rest she guesses at random by tossing a coin (one toss per question, as in 4B). What is the chance that

*asked by AmmanJordan on April 20, 2013* -
## Calculus

Evaluate the Riemann sum for (x) = x3 − 6x, for 0 ≤ x ≤ 3 with six subintervals, taking the sample points, xi, to be the right endpoint of each interval. Give three decimal places in your answer and explain, using a graph of f(x), what the Riemann

*asked by nan on March 10, 2016* -
## Chemistry

A solution of 114 mL of 0.160 molecules KOH is mixed with a solution of 300 mL of 0.250 molecules NiSO4. a. write a balanced equation for the reaction that occurs. identify all phases in answer

*asked by Rheagan on October 3, 2011* -
## History

Which of the following was NOT a result of the industrial revolution 1. A decrese in child labor 2. Pollution 3. The use of clocks 4. A decrease in the middle class The answer according the book is #1 except I am confused all the child labor laws came in.

*asked by Lizzie on February 3, 2019* -
## Chemistry - Repost for Raida

This was reposted because the original was posted on another student's thread. An oxide of carbon contains 27% carbon. What is its empirical formula? I don’t understand this question can you please help 0 0 posted by Raida today at 5:03pm Answer ID

*asked by Ms. Sue on January 21, 2019* -
## Purchasing Power of Income/ Economy

We use the _________ to determine the purchasing power of income. A. Interest rate. B. Real GDP. C. CPI. D. GDP. E. None of the above. Check this site for your answer. http://www.bls.gov/cpi/

*asked by Dave on June 14, 2007* -
## Physics

A small rectangular ferry boat is 3.87 m wide and 5.81 m long. When a loaded truck pulls onto it, the boat sink an additional 4.31 cm into the river. What is the weight of the truck? The acceleration of gravity is 9.8 m/s^2. Answer in units of kN.

*asked by Luma on January 27, 2016* -
## chemistry step by step clearly

10L of hard water required 5.6g of lime for removing hardness. hence temporary hardness in ppm of cac03. The answer 1000ppm I really want all tutors to solve it form clearly step by step. Thank a lot

*asked by Ken on July 20, 2014* -
## math

mistyped before. A sphere has a volume of 500/3 pi cubic centimeters. What is the total surface area in square centimeters, of the sphere? The correct answer is 100pi, but I have no idea why. I need to see it worked out from start to finish :(

*asked by robby on October 14, 2011* -
## English

Tom made a big show of arriving at work early and leaving later than everyone else, thereby _____ the rumor that he was a slacker. (debunk) Choose the right word: 1. debunk 2. debunks 3. debunking Answer: debunks

*asked by Kimmy on November 5, 2016* -
## math

The number of washers 3/32 inch thick that can be cut from a piece of stock 25 1/2 inches long, allowing 1/16 inch for waste for each cut is (A) 160 (B) 163 (C) 260 (D) 272 (E) 408 not just answer, please tell me how to do it

*asked by vincent on August 3, 2013* -
## physics

A pelican flying along a horizontal path drops a fish from a height of 4.7 m. The fish travels 7.7 m horizontally before it hits the water below. What was the pelican’s initial speed? The acceleration of gravity is 9.81 m/s2 . Answer in units of m/s

*asked by marco on November 2, 2012* -
## SS7R - HW Check Q2 (this is a different qs.)

Identify Sugar Act. My Answer: 1764 Act that put a three-cent tax on foreign refined sugar and increased taxes on coffee, indigo, and certain kinds of wine. am I correct????

*asked by Laruen on January 24, 2012* -
## physics

An airport has runways only 196 m long. A small plane must reach a ground speed of 38 m/s before it can become airborne. What average acceleration must the plane’s engines provide if it is to take off safely from its airport? Answer in units of m/s 2

*asked by James on September 23, 2014* -
## Chemistry

You are in a mountain range with atmospheric air pressure of 520 , and you wish to boil some eggs. What is the approximate boiling point of the water at this air pressure? Express your answer as an integer and include the appropriate units.

*asked by Sydney on October 4, 2012* -
## Summer School Calculus

Add these two vectors: I used component law, and I got an answer, but I am unsure as to how to do the direction at the end. Add: 9m/s [N30E] and 2m/s [N60E] I wound up with 10.8m/s and I found an angle of 55 but I am unsure as to what do with the 55:

*asked by Derek on June 29, 2008* -
## Math help

A gas station charges $2.19 per gallon of gas. Use function notation to describe the relationship between the total cost C(g) and the number of gallons purchased g. C(g) = –2.19g g = 2.19C(g) C(g) = g + 2.19 C(g) = 2.19g Please tell me the explination

*asked by Mr.Brain on April 22, 2013* -
## statistics

To get an A grade on the test, you need a total score of more than 16 points. One of the students knows the correct answer to 6 of the 20 questions. The rest she guesses at random by tossing a coin (one toss per question, as in 4B). What is the chance that

*asked by AmmanJordan on April 21, 2013* -
## physics

A 30.0μF capacitor is connected to an ac voltage source with an rms voltage of 150V and a frequency of 2.49KHz. What is the capacitive reactance of the circuit? Assume that there is no resistance in the circuit, and answer in units of ohms

*asked by Amy on March 6, 2015* -
## Physics

The board sandwiched between two other boards weighs 92.6 N. If the coefficient of friction between the boards is 0.587, what must be the magnitude of the horizontal forces acting on both sides of the center board to keep it from slipping downward? Answer

*asked by Elizabeth on October 3, 2010* -
## Science

The cirucumference of a ballon is 75 inches and the diameter is 12 inches what is the volume? Science - Ms. Sue, Saturday, February 18, 2012 at 9:54pm Thank you. volume = 4/3 ð r3 V = (4/3) * 3.14 * 6^3 V = (4/3) * 3.14 * 216 V = (4/3) * 678.24 V = ? I am

*asked by Joseph on February 19, 2012* -
## math

A kite with a string 30 meters long makes an angle of elevation of 60° with the ground, assuming the string is straight, how high is the kite? Round your answer to the nearest tenth. Do not include units.

*asked by rebal on May 4, 2015* -
## Physics

A rifle is aimed horizontally at a target 50 m away. The bullet hits the target 2.4 cm below the aim point What was the bullet's speed as it left the barrel? Express your answer to two significant figures and include the appropriate units

*asked by raquel on October 1, 2015* -
## chemistry ap

Assuming all volume measurements are made at the same temperature and pressure, what volume of hydrogen gas is needed to react completely with 3.25 L of oxygen gas to produce water vapor? Answer in units of L.

*asked by chem on April 3, 2015* -
## Math-Geometry

I have to calcualte the volume of a cone. The height is 2.1 ft, and the base is 2 inches. I keep coming up with the answer of 8.792 cu ft. There is 4 choice answers given: 0.061 ft,0.610 ft,6.125 ft and 2.016 ft. I have tried several calculators, none of

*asked by Tammy on February 12, 2013* -
## Microeconomics

If a competitive market operates perfectly, it relies on A. The number of people buying goods B. The laws of supply and demand C. How many products can be produced for sale d. how much people are willing to pay for the products. The answer is B?

*asked by anthony on May 13, 2015* -
## Language Arts

This question asks you about your work in your reading role. You may use your novel to help you answer the question. What impact did the novel have on you as a reader? Would you recommend this book to a friend? Why or why not? Support your response with at

*asked by bubbles on May 14, 2019* -
## Physics

We always hear people say “You should conserve energy! Think of what will happen to the next generation if all our energy resources get depleted!” Is this in contradiction with the Law of Conservation of Energy which states that the total amount of

*asked by Brianna on December 2, 2014* -
## criminal behavior

Describe one of the psychological or physical traits of trait theories associated with criminal behavior, and give an example of a recent criminal who exhibits this trait. Might this crime be prevented in future circumstances? Explain your answer.

*asked by MONI on May 22, 2008* -
## , Supportive Learning Environment,

A teacher observes several children climbing on furniture. What would be the best resolution to this scenario? A. Separating the children into corners B. Asking if they're allowed to climb on furniture at home C. Changing the environment D. Distracting

*asked by Priscila on February 4, 2017* -
## Physics

A person can jump a maximum horizontal distance (by using a 45 degree projectile angle) of 3 m on Earth. The acceleration of gravity is 9.8 m/s2. What would be his maximum range on the Moon, where the free-fall acceleration is g/6 ? Answer in units of m

*asked by chris on February 7, 2013* -
## physics

A pelican flying along a horizontal path drops a fish from a height of 4.7 m. The fish travels 7.7 m horizontally before it hits the water below. What was the pelican’s initial speed? The acceleration of gravity is 9.81 m/s2 . Answer in units of m/s

*asked by marco on November 2, 2012* -
## Physics

A person can jump a maximum horizontal distance (by using a 45 degree projectile angle) of 3 m on Earth. The acceleration of gravity is 9.8 m/s2. What would be his maximum range on the Moon, where the free-fall acceleration is g/6 ? Answer in units of m

*asked by dallas on February 7, 2013* -
## History

The Western presence in Africa left a legacy that: A. was entirely negative. B. disappeared immediately when the colonial powers withdrew. C. was overwhelmingly positive in its impact. D. mixed, with both positive and negative results. Answer: D

*asked by angela on February 19, 2016* -
## physics

A pelican ﬂying along a horizontal path drops a ﬁsh from a height of 3.3 m. The ﬁsh travels 8.7 m horizontally before it hits the water below. What was the pelican’s initial speed? The acceleration of gravity is 9.81 m/s 2 . Answer in units of m/s

*asked by Eva on August 31, 2012* -
## percentage

Sharil is cycling from his house to Jeju Island,which are 15km apart.If Sharil has cycled a distance of 9.5km,what percentage of the total distance does he have left? pls round off ur answer to 1 decimal place

*asked by Da S on February 12, 2012* -
## to angie

Please do not post responses to other students unless you can help them very proficiently with their specific problem or question. This is not a website for "personals" -- so please don't post any personal information about yourself or ask personal

*asked by Writeacher on October 12, 2006* -
## physics

Two boat landings are 8.0 km apart on the same bank of a stream that flows at 2.8 km/h. A motorboat makes the round trip between the two landings in 50 minutes. What is the speed of the boat relative to the water? I think it is something along the lines of

*asked by Delilah on August 10, 2014* -
## Geography

What is the unique about vegetation in the desert and tundra regions? My answer: The characteristics of the vegetation are unique because the plants that live in these extreme climates are specially adapted to tolerate the dry or cold conditions.

*asked by Anonymous on September 3, 2013* -
## To Bobpursley

Ok I finally understand your work and it makes sense to me but I guess it's wrong and I don't see were I followed your work and got the same answer as you positive one... the only thing is I put the problem into my calculator and get negative one and the

*asked by To Bobpursley (Wrong answer???) on November 15, 2009* -
## MATH

WHAT IS THE ANSWER TO THIS QUITION.THIS NUMBER HAS 4 PLACES TO THE RIGHT OF THE DECIMAL POINT . IT HAS 2 HUNDREDS, 3 TEN THOUSANDTHS , AND 1 TENTH . IT IS IN BETWEEN 240 AND 242 . THE THOUSANDTHS PLACE IS ONE LESS THAN THE TENTHOUSANDTHS AND LESS THAN THE

*asked by TRISRAN on August 22, 2007* -
## chemistry

what is the final temperature of amixture containning 25 grams of ice at -20 degree celciusadded to water at room temperature 22oC mass of water is 50g followed the steps given by you but not getting the answer (0degree celsius)

*asked by treasa on May 12, 2014* -
## eco 205

Assignment locate 3 topics (DONE) how are the ten principals of economics relevant to each case. How do you determine which one? What questions to ask self to determine the answer? Where to look outside the examples shown in class?I did read the lesson

*asked by Mary on November 17, 2009* -
## physics help

A 10 g bullet moving at 370 m/s strikes a ballistic pendulum of mass 2kg. The bullet emerges with a speed of 100 m/s. What height does the pendulum rise to? I don't want the answer, i just need hints!!! thnaks

*asked by mary on November 18, 2011* -
## Chemistry step by step thank a lot

10L of hard water required 5.6g of line for removing hardness. hence temporary hardness in ppm of cac03. The answer is 1000 Pls solve it for me step by step Thank a lot all tutors for your help.

*asked by ken on July 5, 2014* -
## Physics

if the water in the river moves downstream at 4mi/hr heading the boat straight across the river, what direction will the boat move relative to the shore? i don't want the answer... i want someone to explain. i wanna learn

*asked by Carlos on October 16, 2013* -
## chemistry

What volume of hcl solution of density 1.2g/cm3 and containing 36.5% by weight hcl, must be allowed to react with zinc in order to liberate 4g of hydrogen The answer 333.3ml Who helps me step by step for me

*asked by ken on July 4, 2014* -
## Business Math

A local Barnes and Noble paid a $79.33 net price for each calculus textbook. The publisher offered a 10% trade discount. What was the publisher’s list price? (Round your answer to the nearest cent.)

*asked by Mandy on February 27, 2014* -
## math

David bought a new refrigerator for $799 and charged it on his credit card. If the card charges 23% simple interest, how much interest would be added after 18 months? Round your answer to the nearest cent. I am new to this can you help explain how to do

*asked by Anuraj on February 9, 2017* -
## math

I'm going over my 4th grader's homework. She has place value math problems. I'm having a problem with this question. In the number 3,024,456, the value of 4 in the hundreds place is _____ times ____ than the value of the other 4. My answer 100 times less

*asked by Evonne on September 3, 2015* -
## environmental science

Please help me on this: 1. Wind can blow soil away very quickly and erode soft rock, while waves erode coastlines and rivers carve deep gorges True or False i think the answer is true but i'm very unsure

*asked by y912f on August 31, 2009* -
## Science

an object has a colume of 25 cm3 and a mass of 50g. Antoher object has the same volume of 25 cm3 and a amass of 75 g. Caluculate the densities of both objects. Show all work. INclude the correct unites with your answer.

*asked by Tracey on September 6, 2007* -
## algebra

can you help me with the Lesson 9: Operations and Applications of Scientific Notation Connections Education 1205070 M/J PRE-ALG - T1 Unit 2: Rational Numbers test.What is the product of (5.1*10^3)*(3.2*10^3)? (please express your answer in scientific

*asked by jasmine on September 25, 2014* -
## ENGLISH HELP PLS

Identify the choice that best describes the sentence. 5. More than 1,000 years passed before Copernicus proposed that the earth orbited the sun. (1 point) a. simple*** b. compound c. complex d. compound-complex *** = my answer

*asked by Chloe on November 14, 2016* -
## ART

HEllo i need help on mixing colors because at school i don't have enough of the needed colors. So plz tell me how to mix and get : Orange Green Yellow BROWN! (For the big tree im drawing) And purple thank you and answer ASAP plz!

*asked by Samantha on May 7, 2015* -
## Math

Suppose a triangular silk scarf has both of its shortest sides 14 inches long. If the angle between these sides is 110º, what is the area of the scarf? Round your answer to the nearest tenth of a square inch.

*asked by karina602 on October 7, 2012* -
## AP Physics

In order to pass a physical education class at a university, a student must run 1.0 mi in 12 min. After running for 10 min, she still has 500 yd to go. If her maximum acceleration is 0.15 m/s2, can she make it? If the answer is no, determine what

*asked by nicky on August 10, 2009* -
## math

A jar contains 20 marbles: 4 red, 6 white and 10 blue. If you remove 1 marble at a time, randomly, what is the minimum number that you must remove to be certain that you have at least 2 marble of each color? I guessed the answer was 18 and it was correct

*asked by john on August 6, 2014* -
## CHEMISTRY

Hello, I am trying to balance this redox reaction WITHOUT using the half-reaction method. Here is the unbalanced equation: MnO4 -(aq) + Zn(s)--> Mn 2+(aq) + Zn 2+(aq) It looks as if both elements are being oxidized. The answer is supposed to be: 2MnO4

*asked by Vanessa on April 22, 2010* -
## Chemistry step by step thank a lot

10L of hard water required 5.6g of lime for removing hardness. Hence temporary hardness in ppm of cac03 The answer 1000 Who helps me to solve it for me step by step clearly Thank a lot all tutors

*asked by Ken on July 13, 2014* -
## Chemistry

The average density of living matter on Earth's land areas is 0.10g/cm squared. What mass of living matter in kilograms would occupy an area of 0.125 ha? I think I can answer this if i knew what ha was. Any help would be appreciated.

*asked by Amanda on September 9, 2007* -
## physics

A pelican flying along a horizontal path drops a fish from a height of 5.1 m. The fish travels 6.1 m horizontally before it hits the water below. What was the pelican’s initial speed? The acceleration of gravity is 9.81 m/s2 . Answer in units of m/s

*asked by kaleb on October 7, 2012* -
## Physics

A person can jump a maximum horizontal distance (by using a 45 percent projectile angle) of 3 m on Earth. The acceleration of gravity is 9.8 m/s2. What would be his maximum range on the Moon, where the free-fall acceleration is g/6 ? Answer in units of m

*asked by chris on February 5, 2013* -
## Algebra

(Note): Hello! I am really stuck on this problem and am trying to figure out how to solve it! I don't want the answer, I just want to know how to solve an equation like this: Consider a sequence whose first five terms are: -1.75, -0.5, 0.75, 2, 3.25 Which

*asked by Amelia on March 12, 2019* -
## Psycholofgy

Help is really needed! I need to know if this the correct answer. I choose B Your actions are most likely to agree with one of your attitudes when a. the actions reverse an old habit. b. the attitude is held with conviction. c. you know that others

*asked by Princess on December 12, 2011* -
## Science Please help Ms. Sue!!!

Which of the following does not reduce water pollution? a) cleaning up oil and gasoline spills. b) reducing pollutants such as pesticides and fertilizers. c) increasing the use of gasoline.*** d) properly treating waste water Can you please check my

*asked by Sarah on April 29, 2015* -
## Math

A player has 37 hits in 192 times at bat. Write the player's batting average as a decimal. Round to the nearest thousandth. A. 0.192 B. 0.193 C. 0.197**** My answer D. 0.293 Is it correct

*asked by Help on December 5, 2016* -
## physics

A swimmer can swim in still water at a speed of 9.47 m/s. He intends to swim directly across a river that has a downstream current of 4.24 m/s. a) How many degrees from straight across the river should he head? Let upstream be a positive angle. Answer in

*asked by a on October 21, 2014* -
## Another Chem Problem

Calculate the total number of F (Fluorine) atoms in 12.15 mol C2HBrClF3. The answer is 2.195 x 10^25 atoms, but I am not sure how they got there. Can anyone give me a hint how to get started? If needed (i'm not sure), the moleculatr mass of C2HBrClF3 is

*asked by Bob on March 8, 2009* -
## Physics

A car starts from the origin and is driven 1.72 km south, then 3.11 km in a direction 58° north of east. Relative to the origin, what is the car's final location? Express your answer in terms of an angle (in degree) and a distance.

*asked by Anon14 on August 30, 2011* -
## physics question

Two cannonballs are shot in sequence from a can-non, into the air, with the same muzzle velocity, at the same launch angle. Based on their trajectory and range, how can you tell which one is made of leand and which one is made of wood. If the same

*asked by himel on August 16, 2016* -
## Calculus

int(dx/(x^2+9)) u = x/3 Use the indicated substitution (above) to evaluate the integral. Confirm answer by differentiation. Okay, so I found that du/dx is 1/3. dx is 3du. Just by looking at the integral I can tell this is some form of tan^-1(x), if we

*asked by Nikki on October 23, 2010* -
## Physics Help!!

A laser beam is directed at the Moon, 380,000 km from Earth. The beam diverges at an angle of 6.2×10−5 rad. What diameter spot will it make on the Moon? Express your answer using two significant figures.

*asked by Sam on October 18, 2010* -
## scientific notation

Express the answer in scientific notation to two decimals unless requested otherwise. A company produced 2,600,000 small appliances in one year and made a profit of $6,690,000. What was the profit on each appliance?

*asked by brad on March 20, 2009* -
## physics

A small rectangular ferry boat is 3.33 m wide and 5.64 m long. When a loaded truck pulls onto it, the boat sinks an additional 3.25 cm into the river. What is the weight of the truck? The acceleration of gravity is 9.8 m/s2 . Answer in units of kN.

*asked by ryan on June 17, 2011* -
## Ms. Sue can you answer this please

Damon had answer, but i just want to see if you'll explain it differently... The population of a town P(t)is modelled by the function P(t)=6t^2+110t+3000, where t is time in years. Note t=0 represents the years 2000. When will the population reach 6000?

*asked by Nina on November 17, 2012* -
## Physics 30

an 1100 kg car accelerates from rest at 3.4 m/s2. if the horizontal force exetred on the wheels by the road is 5600 N, what force must be resisting the motion of the car? use a free body diagram to illustrate your answer

*asked by Anonymous on April 9, 2017* -
## chemistry

The UNBALANCED equation is: Zn + HCl –] ZnCl2 + H2 How many milliliters of a 0.48 M HCl solution are needed to react completely with 7.4 g of zinc to form zinc(II) chloride? Answer in units of mL. 7.4/100.84g*2 mol

*asked by Kiley on November 23, 2015* -
## calc

Consider a function f : {R}^2 \to {R}^2 for which f(4, -4) = (3, 3) and f{D}f(4, -4) = (5 4) (-3 0)

*asked by John on April 11, 2010* -
## Algebra

Today I did a practice SAT problem. If the function ƒ is defined by ƒ(x) = 2x + 3, and if ƒ(a) = 11, what is the value of a? A. 4 B. 7 C. 11 D. 17 E. 25 This is the correct answer and the explanation Here's Why: If the function ƒ is defined by ƒ(x) =

*asked by Lissa on June 26, 2009* -
## Algrebra II-please check my answer

Determine the zeros of the function 7x^2 + 9x = 0 answers were: {-9/7} {-9/7,0} {o,9/7} {9/7} I think the answer is {-9/7,0} but I'm not positive when I worked it-If this is wrong please steer me into the correct calcs because then I don't what I'm doing

*asked by Sammy on January 14, 2011* -
## Trigonometry

Round your answer to three significant digits. Use the distances shown in the following figure to determine the depth of the submarine below the surface of the water. Assume that the line segment between the surface ships is directly above the submarine.

*asked by Karen on November 8, 2014* -
## math

Determine the volume of diluted nitric acid d= 1.11g/ml, 19% hn03. That can be prepared by diluting with water 50ml of conc. hn03 d=1.42g/ml, 69.8% The answer 183.68ml who help step by step

*asked by Fai on December 24, 2013* -
## Math

determine whether the number sentence is true. In each case explain how you could answer without calculating. Check your answers by doing the indicated calculations. A. 50 x 432= (50 x 400) + (50 x 32) B. 50 x 368 = (50 x 400) - (50 x 32) C. 50 x 800= ( 50

*asked by Maddie on October 25, 2017* -
## algebra

Suppose a population of bacteria in a Petri dish has a doubling time of 6 hours. How long will it take for an initial population of 11000 bacteria to reach 20500? Round your answer to two decimal places.

*asked by mat on April 9, 2016*

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