# Mary Ann

Most popular questions and responses by Mary Ann-
## music help

what does neumes and color lines show?

*asked on November 22, 2013* -
## math

Please on this question I know I divide but do I do them one at a time or all together. Hamster is 8%, fish 12% and dogs are 23%. I added them together and got 0.43%. The question is- The citizens of a certain community were asked to choose their favorite

*asked on January 15, 2015* -
## physics

A 1.5 kg box moves back and forth on a horizontal frictionless surface between two springs.? The box is initially compressed against the stronger spring, K=32 N/cm, 4.0 cm and released from rest. The smaller box is K=16 N/cm. A) By how much will the box

*asked on December 14, 2009* -
## Algebra

What is the expectation for the $1 bets on a U.S. roulette wheel? See the figure. (Round your answer to the nearest cent.) Three-number bet Thank you

*asked on May 26, 2014* -
## math

he pie chart below shows how the total annual income for a certain family is spent. If the amount budgeted for Housing and Insurance combined is 42,000, what is the total family income? there is saving 8%, food 19%, clothing 18%, auto 12%, entertainment

*asked on January 15, 2015* -
## algeba/can you please ck my answer

Karen and Wayne need to buy a refrigerator because theirs just broke. Unfortunately, their savings account is depleted, and they will need to borrow money in order to buy a new one. Sears offers them an installment loan at 14% (add-on rate). If the

*asked on June 1, 2014* -
## History Help

Why do many historians regard the printing press as the most important invention of the past millennium?

*asked on June 10, 2014* -
## World History

Describe the importance of the Silk Road in the exchange of goods and ideas during this time. Your description should include examples of some of the goods and ideas that moved along the Silk Road and the direction in which they traveled.

*asked on May 14, 2014* -
## Vietnam war HELP

Why did the war in Vietnam result in such widespread opposition?

*asked on January 5, 2014* -
## math/Do not understand

At a local college,153 of the male students are smokers and 357 are non-smokers. Of the female students,145 are smokers and are 355 non-smokers. A male student and a female student from the college are randomly selected for a survey. What is the

*asked on February 18, 2015* -
## english

is an executive summary a persuasive message

*asked on August 6, 2011* -
## history

1. “An individual who breaks a law that conscience tells him is unjust, and who willingly accepts the penalty of imprisonment in order to arouse the conscience of the community over its injustice, is in reality expressing the highest respect for the

*asked on November 27, 2013* -
## Statistics

The records of a computer retail store show that out of the 100 customers who purchased a desktop computer last month, 69 also purchased a service plan that extends the warranty for an extra year. Out of the 25 customers who purchased a notebook computer

*asked on January 5, 2015* -
## algebra

Choose a natural number between 1 and 100, inclusive. What is the probability that the number chosen is not a multiple of 5? (Enter the probability as a fraction.) Thank you it is appreciated.

*asked on May 27, 2014* -
## Physics

can someone help i'm stuck on two questions??? 23. On a velocity-time graph, when is the object not moving? when the slope is a straight line rising to the right when the slope is a straight line falling to the right when the slope is a line curving upward

*asked on October 12, 2013* -
## World History

1.Greek and Roman legacies to the modern world include contributions to modern law and government. Briefly describe how modern law and government have been influenced by classical Greece and Rome. Include at least two examples from the Greeks and two

*asked on April 23, 2014* -
## algebra

Tarot cards are used for telling fortunes, and in a reading, the arrangement of the cards is as important as the cards themselves. How many different readings are possible if four cards are selected from a set of seven Tarot cards? Thank you

*asked on May 21, 2014* -
## probability/please help

At a local college,147 of the male students are smokers and 343 are non-smokers. Of the female students,180 are smokers and 420 are non-smokers. A male student and a female student from the college are randomly selected for a survey. What is the

*asked on August 2, 2015* -
## chemistry

A gas has a volume of 100 ml when the pressure is 735 mm. What volume will the gas occupy at 700 mm ?

*asked on March 29, 2011* -
## chemistry

How many grams Of KCI are dissolved in 100g. of water at 50 degrees?

*asked on November 23, 2009* -
## algebra

What is the expectation for the $1 bets on a U.S. roulette wheel? If the bet is a three number bet. Round to the nearest cent. Thank you

*asked on May 29, 2014* -
## algebra/please help I have been wrong twice

An oil-drilling company knows that it costs $25,000 to sink a test well. If oil is hit, the income for the drilling company will be $395,000. If only natural gas is hit, the income will be $125,000. If nothing is hit, there will be no income. If the

*asked on May 28, 2014* -
## Algebra

I need help with this question; A printer can print 40 pages in 1.6 minutes. a. Write and solve a proportion to find the number of pages that the printer can print in 5 minutes. b. Lana wants to use the printer to print 150 pages. Find the time, in

*asked on June 13, 2014* -
## algebra

Find the amount of periodic payment necessary for the deposit to a sinking fund. (Round your answer to the nearest cent.) Amount Needed A $50,000 Frequency n semiannually Rate r 11% Time t 15 years Thank you for your time, it is appreciated.

*asked on May 18, 2014* -
## English

I need help understanding this question: How does Kurt Vonnegut address the concept of equality differently in “Harrison Bergeron” than Martin Luther King Jr. does in “Letter from Birmingham Jail”? What relationship does Vonnegut’s story show

*asked on June 12, 2014* -
## Chemistry

Calculate the pOH of an aqueous solution of 146.6 ml of 0.000625 M HBr(aq) after dilution to 850 ml.

*asked on March 21, 2013* -
## Chemistry

Calculate the pOH of an aqueous solution of 146.6 ml of 0.000625 M HBr(aq) after dilution to 850 ml.

*asked on March 21, 2013* -
## science

given 90 ml of Hydrogen gas collected with the temperature is 27 degrees C. What volume will the Hydrogen occupy at 42 C ?

*asked on March 29, 2011* -
## box and whisker plot

Make a box and whisker plot with the following statement:The data show the ages of 13 people attending a dinner party. 37, 42, 44, 46, 47, 49, 51, 53, 54, 55, 57, 61, 63

*asked on June 10, 2014* -
## HELP PLZ

1. Milo bought pounds of red apples and pounds of green apples to make applesauce. How many pounds of apples did he buy in all? a. Write an expression that models the problem. b. What is the LCD of the fractions in your expression? Explain how you found

*asked on December 17, 2013* -
## math

good evening, he pie chart below shows how the total annual income for a certain family is spent. If the total annual income is 140,000 , what amount is budgeted for Auto, Insurance, and Entertainment combined? Auto,12%, ins 10% and enter is 13%. I know

*asked on January 22, 2015* -
## math

How can I solve this question, Write 83.9% as a decimal, and write 0.038 as a percentage. I just can not remember how to do this. Sorry and thank you for your help and time.

*asked on January 6, 2015* -
## Algebra where did I go wrong

evaluate the expression 5C2 5! 5-2!= my 1st answer was 20 than 120 either one was right. where do I go wrong Thank so much for your time

*asked on May 22, 2014* -
## U.S History

what are some events and trends that had an impact on American Culture in the 1920s?

*asked on October 13, 2013* -
## Chemistry

Calculate the pOH of an aqueous solution of 146.6 ml of 0.000625 M HBr(aq) after dilution to 850 ml.

*asked on March 21, 2013* -
## U.S history

What was the main constitutional issue regarding Bush's claims to executive privilege? A.Bush's interpretations of executive privilege posed a threat to the impeachment process. B. Bush's interpretations of executive privilege endangered the principle of

*asked on January 13, 2014* -
## math

a ladder is leaning againt the side of a building. The ladder is 10 feet away from the building and touches the building at a point 24 feet above the base. How long is the ladder?

*asked on March 7, 2012* -
## statistics

Can you explain how to do this problem The following is a list of 11 measurements: 72, 28, 56, -47, -36, -41, 21, -31, -56, 41, -54 . Suppose that these 11 measurements are respectively labeled x1, x2,...x11 . (Thus,72 is labeled x1 ,28 is labeled x2 and

*asked on January 12, 2015* -
## world history

which connected the millions of people living in the Inca empire? A. money B. writing C. language D. loyalty **** i think the answer is D but; I'm not sure.

*asked on June 10, 2014* -
## English

Critics often say that Chekhov’s short stories show “slices of life” rather than complete story arcs. How do the endings of "Star Food," "Everything That Rises Must Converge," and "The Bet" reflect what might be considered incomplete story arcs?

*asked on December 24, 2013* -
## U.S. Government and Politics

What were the two main compromises of the Constitutional Convention??? I think they are: the great compromise the three fifth's compromise am i right???

*asked on October 8, 2013* -
## Algebra

An artifact was found and tested for its carbon-14 content. If 75% of the original carbon-14 was still present what is its probable age to the nearest 100 years?. carbon -14 has a half-life of 5,730 years.

*asked on May 10, 2014* -
## math

Thank you for you help. The pie chart below shows how the total annual income for a certain family is spent. If the total annual income is 110,000 , what amount is budgeted for Savings, Housing, and Auto combined? Saving is 18%, housing is 21% and auto is

*asked on January 23, 2015* -
## Algebra/I think I did this wrong

Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 5. We find the heights of 50 people. (You may need to use the standard normal distribution table. Round your answers to the nearest

*asked on May 30, 2014* -
## algebra/ Can see I am right

A state's license plates consist of three letters followed by three numerals, and 241 letter arrangements are not allowed. How many plates can the state issue? I did it this way 26x26x26x10x10x10= 17,576,000 Have I done this correctly or am I missing a

*asked on May 22, 2014* -
## algebra

Assume the car can be purchased for 0% down for 60 months (in lieu of rebate). A car with a sticker price of $42,500 with factory and dealer rebates of $5,100 (a) Find the monthly payment if financed for 60 months at 0% APR. (Round your answer to the

*asked on May 17, 2014* -
## Algebra

Permutation Evaluate the expression 19 P 2 4 P r if there is no r would the answer be just 4 or 0

*asked on May 20, 2014* -
## science

Why do you think the presence of smoke contributed to cloud formation?

*asked on November 1, 2013* -
## history

what are some questions that i can research about the civil war? i already have: 1. How many people fought in the civil war? 2. How many soldiers died during the civil war?

*asked on October 11, 2013* -
## Math

Could someone please show how this is done or explain how to do it. thank you The pie chart below shows how the annual budget for a certain company is divided by department. If the amount budgeted for Editorial and Engineering combined is , what is the

*asked on January 14, 2015* -
## algebra/ please ck my answers

Draw a stem-and-leaf plot for the data set. (Enter numbers from smallest to largest separated by spaces. Enter NONE for stems with no values.) Data set A: The annual wages of employees at a small accounting firm are given in thousands of dollars. 50 15 18

*asked on June 10, 2014* -
## algebra

Suppose that in a particular game two dice are tossed, and various amounts are paid according to the outcome. Find the requested probability. (Enter the probability as a fraction.) If a seven or an eight occurs on the first roll, the player wins. What is

*asked on May 27, 2014* -
## algebra/check my answer

Three fair coins are tossed. What is the probability that at least one is a head? (Enter the probability as a fraction.) I came up with 7/8 Thank you

*asked on May 27, 2014* -
## algebra

if 11% of the 210 million adult Americans live in poverty, how many adult American live in poverty? Thank you for your help

*asked on April 30, 2014* -
## Statistics

Daily output of Marathon’s Garyville, Lousiana, refinery is normally distributed with a mean of 232,000 barrels of crude oil per day with a standard deviation of 7,000 barrels. (a) What is the probability of producing at least 232,000 barrels? (b)

*asked on January 8, 2012* -
## physics

A 400g glider moving to the right at 2 m/s collides elastically with a 500g glider moving in the opposite direction at 3 m/s. find the velocity of each glider? please show work so i can understand it! thanks

*asked on December 15, 2009* -
## math

Sophia's age is twice of her brother and the sum of their is 18. What is the age of sophia and her brother?

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

Find the value of the following" 10!7! over 12!5! If your answer is not an integer, write it as an exact fraction. Thank you

*asked on July 1, 2015* -
## Statistics

Good Afternoon, Hope everyone will have a nice weekend. I am sorry to bother you all, but I am failing statistic. Can someone give me an example of this and example of a regression hypothesis. Thank you

*asked on March 13, 2015* -
## algebrahave i done this right

Evaluate the given expressions (to two decimal places). 2(90)+5(80)+10(70)+3(60)+3(50)+4(40)= than divide by 25 mean =70.8 median =70 mode =70 range = 50

*asked on June 13, 2014* -
## history

I need some help on explaining what japans shogun is and if it was a policy of isolation or engagement?

*asked on June 9, 2014* -
## statisticsWere did i go wrong thank you

Find the range and the standard deviation (correct to two decimal places). 83, 96, 100, 100, 106=divided by 5=97 I did the (83-97)+(96-97)+(100-97)+(100+97)=106-97)= I know I add than divide by 5 and I can not come up with Standard deviation. Where am I

*asked on June 1, 2014* -
## Algebra/Probability

Suppose that you toss a coin and roll a die. What is the probability of obtaining tails or a six? (Enter the probability as a fraction.) I came up with 1/6 which does not sound right thank you for you time on this Holiday

*asked on May 26, 2014* -
## Algebra

Decide whether you would use a permutation, a combination, or neither. Next, write the solution using permutation notation or combination notation, if possible, and, finally, answer the question. A club with 31 members is to select five officers

*asked on May 22, 2014* -
## algebra/stressed

If $32,500 is invested at 6.9% for 3 years. Find the future value if the interest is compounded the following ways: annually, semiannually, quarterly, monthly, daily, every minute (N-525,600), continuously, and simple (not compounded. I don't know to set

*asked on May 17, 2014* -
## algebra

Find the present value, using the present value formula and a calculator. (Round your answer to the nearest cent.) Achieve $225,500 at 8.55% compounded continuously for 8 years, 155 days. I use e for compound continuousy A=Pe^(rt).so I did

*asked on May 16, 2014* -
## algebra

If $32,500 is invested at 69% for 3 years find the future value if the interest is compounded the following ways. annually, semiannually, quarterly, monthly, daily, every minute (N-525,600) continuously, simple (not compounded. Thank you for your time.

*asked on May 14, 2014* -
## ALGEBRA

CONTACT THE EXPRESSIONS.THAT IS USE THE PROPERTIES OF LOGARITHM TO WRITE EACH EXPRESSION AS A SINGLE LOGARITHM WITH A COEFFICIENT OF 1. In 3-2 in 9 + 18 in 3-2 in (9+6) in 3-2 (in 4 + in 8)

*asked on May 8, 2014* -
## Algebra

age of child over age of child +12 x adult dose. if an adult's dose of a particular medication is 100 mg, what is the dose for a 10-year-old child. Round answer to one decimal place. Part b if a 12 year old child dose of a particular medication is 15 mg

*asked on April 24, 2014* -
## U.S history

All of the following were responses by the United States to terrorist attacks both at home and abroad except:? A. the Department of Homeland Security was created as a new cabinet-level agency. B.the Patriot Act was signed into law and became controversial.

*asked on January 13, 2014* -
## Algebra

A positive integer minus a positive integer is always positive. This statement is sometimes true. For example, 17 – 5 = 12, but 15 – 20 = –5. post five other statements about the addition and subtraction of positive and negative integers, and ask

*asked on October 8, 2013* -
## Physics

I need help really bad anyone good at this???? Name three different kinds of graphs that are often used to plot information and discuss the value of each.

*asked on October 7, 2013* -
## Insurance form preparation

Which of the following documents would provide information on a patient's diagnosis? A. Confidential patient information record b. ledger sheet c.medical treatment record d. CPT-4 Tossed up on answer

*asked on May 11, 2011* -
## how is

how is the Web changing communication. ?? You use the web every day. You used it to write this message. Think of all the things you do on the web and put that into sentences. You will have your answer. There are some ideas at the following site (Scroll

*asked on June 19, 2006* -
## Statistics/Binomal

I really need help I do not understand how to start this problem. A machine that manufactures automobile parts produces defective parts 15% of the time. If 7 parts produced by this machine are randomly selected, what is the probability that at least 3 of

*asked on August 14, 2015* -
## math

According to Chebyshev's theorem, at least a percentage of either,56%,75%,85%,89% of the measurements lie between 119.3 mmHg and 146.9 mmHg. I really hate to ask any question of you guys I know you are busy, but I am totally lost with this statistic stuff.

*asked on July 18, 2015* -
## statistics

The following is a list of 10 measurements: after adding and sub all 10 numbers I came up with a -29. Now it wants the sum 10/i,i than xi over 32. Do I x -29 and the 32 or do I divide. This is were I get very confused. I am sorry to ask again but I never

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

can someone please how to do this problem. Find y-intercept y=3.9x-4.2 I am very confused even how to start it. Thank you

*asked on January 15, 2015* -
## math

Hi could you see if I did this one right The pie chart below shows how the total annual income for a certain family is spent. If the amount budgeted for Housing and Entertainment combined is$25,200 , what is the total family income? Housing is 22% and

*asked on January 14, 2015* -
## Algebra/please can some one help I forgot

ind the monthly payment for the loan. (Round your answer to the nearest cent.) Finance $450,000 for a warehouse with a 7.50% 30-year loan Thank you for your help.

*asked on June 17, 2014* -
## Algebra please can you ck my work

Evaluate the given expressions (to two decimal places). log 1.69 =123 log 2^512 = .09 log 2^1 = 0 log o.o46 =1.34 Thank you

*asked on June 13, 2014* -
## algebra/how can I solve this/Thank You

Draw a stem-and-leaf plot for the data set. (Enter numbers from smallest to largest separated by spaces. Enter NONE for stems with no values.) Data set A: The annual wages of employees at a small accounting firm are given in thousands of dollars. 50 15 18

*asked on June 9, 2014* -
## Algebra Last question for tonight

An oil-drilling company knows that it costs $25,000 to sink a test well. If oil is hit, the income for the drilling company will be $395,000. If only natural gas is hit, the income will be $125,000. If nothing is hit, there will be no income. If the

*asked on May 27, 2014* -
## algebra/can you see if I am on the right track

A state's license plates consist of four letters followed by three numerals, and 246 letter arrangements are not allowed. How many plates can the state issue? 26^26^26^26=456976-246 answer 456,730 thank you

*asked on May 25, 2014* -
## algebra

Find the monthly payment for the loan. (Round your answer to the nearest cent.) A $118,000 home bought with a 20% down payment and the balance financed for 30 years at 9.5% Thank you it is greatly appreciated.

*asked on May 17, 2014* -
## algebra

thank you for your help. problem is Convert the credit card rate to the APR. Oregon, 2 1/4% per month

*asked on May 16, 2014* -
## Algebra

who ever will help me I do not understand this problem? Solve each exponential. Give the exact value of x 6^x = 1/36 3^x = 8 I really do not understand at all I have not taken algebra since 8th grade and went back to school at 67, Thank you if you wish to

*asked on May 13, 2014* -
## history

what is the purpose of the preamble?

*asked on October 7, 2013* -
## Math

I have 2 questions involving inventory Question 1. Your a manager of an auto parts store.Figures below contains your records of the annual inventory figures for windshield wipers. Using the FIFO method of inventory pricing,hat is the dollor value of ending

*asked on January 22, 2011* -
## Sttistics/Please Help

What is the value of the Y-intercept of the least-squares regression line from this data? Round you answer to at least two decimal places. I add all the y up's and came up with 2714.4. Then is says the least-squares regression line for these data has a

*asked on September 3, 2015* -
## math

Summation of indexed data, I added the numbers up and I get -27 find the summation 29x does this mean I multiply the -27 by 29 Thank you

*asked on July 12, 2015* -
## Math

good evening, I was wondering if you could direct me in right direction to lean how to evaluate a line that is there with two numbers and I have to find out how to write it. Either by factions or whole numbers. Thank you for you time.

*asked on July 1, 2015* -
## Algebra direction how to do it

Graph the first-degree inequality in two unknowns. y > 4x -4 Thank you very much. I am not sure what a > is

*asked on June 19, 2014* -
## algebra.having problems

Draw a stem-and-leaf plot for the data set. (Enter numbers from smallest to largest separated by spaces. Enter NONE for stems with no values.) Data set A: The annual wages of employees at a small accounting firm are given in thousands of dollars. 50 15 18

*asked on June 11, 2014* -
## Algebra confused/Thank you

Solve the system by graphing. (If the system is inconsistent, enter INCONSISTENT. If the system is dependent, enter DEPENDENT.) 3x + 2y = 5 4x − 3y = 1

*asked on June 7, 2014* -
## Algebra/not sure what to do Thank You

Find three ordered pairs that satisfy the equation. y = 2x − 1 (x, y) = (0) (x, y) = ( 1) (x, y) = ( 2)

*asked on June 4, 2014* -
## Statistics

A class obtained the following scores on a test. Test Score TestScore Frequency 90 1 80 6 70 10 60 3 50 2 40 3 What I did was 90+6(80)+7(10)+3(60)+2(50)+3(40)=1040 than divided by 25 which should give me the means it give me a fraction, I got the median

*asked on May 31, 2014* -
## Statistics/ is this how I do it.

Find the range and the standard deviation (correct to two decimal places). 83,96,100,100,103 find the range and standard deviation Do I that 5 numbers add that divide by 5 for the range I am not sure how to do standard deviation. Thank you

*asked on May 31, 2014* -
## algebra

Find the requested probability. P(A) if P(A) = 0.6. the first A has a line over it. than the P (A) line over it Thank you for you time it is appreciated on this end believe me

*asked on May 27, 2014* -
## algebra/Did I do this right

A single card is drawn from a standard deck of cards. Find the probability if the given information is known about the chosen card. A face card is a jack, queen, or king. P(face card|king) I came up with 12/52 Thank you

*asked on May 26, 2014*