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Posts by Suzanne

Total # Posts: 181

math
a card game goes like this: you draw a card from a 52 card deck. If it is a face card jack queen or king you win 5 dollars; otherwise, you lose 2 dollars. What is your expected value for this game? e(x)= (5)1/52-(2)1/52= 3/52 or 3.00

Algebra
calculate the time for the colony to reach 1 million bacteria. Number of bacteria present. Doubles every minute 2 4 8 16 32 64

Math
the same as the above.it's very perfect.

pyscology
'when Mary is late coming home from work,john decides that it is because she lost interst in their relationship.this situation illustrates the blank effect'

Calculus
The revenue for a sale of x books at $70 each is given by R(x)=70x. The commission for a revenue of x dollars is given by C(x)=.20x. Express the commission as a function of the number of books sold.

math
Write a real world description to fit the expression negative 50 divided by 5

Math
For $4.50 a grocer buys a case of fruit which contains 14 dozen. She knows that four dozen will spoil before sells them. At what price per dozen must she sell the good ones to gain 1/3 of the whole cost.

Math
Three individuals form a partnership and agree to divide the profits equally. X invests $4,500, Y invests $4,500, and Z invests $1,000. If the profits are $1,500, how much less does X receive than if the profits were divided in proportion to the amount invested?

Math
What is the next number in this series? 2 1 .5 .25 .125

math
In printing an article of 21,000 words, a printer decides to use two sizes of type. Using the larger type, a printed page contains 1,200 works. Using the smaller type type, a page contains 1,500 words. The article is allotted 16 full pages in a magazine. How many pages must be...

math
When wire is selling at $.0125 a foot, how many feet can you buy for $1.00?

Math
A train travels 70 feet in 1/10 second. At this same speed, how many feet will it travel in 3 1/2 seconds?

English/grammar
All of your hard work and dedication has molded you into an amazing young lady. or All of your hard work and dedication have molded you into an amazing young lady.

Physics
Two noises produce sound levels of 70 and 80 dB when acting separately. Find the sound level in dB when the sources act together.

math
Five three digit numbers including N were to be added. While adding, the reverse of N was added by mistake instead of N. Hence the summ increased by 11 times the summ of the digits of N.Eight times the difference of N's units and hundreds digit is 6 more than twice its ...

math
While adding ten two-digit numbers the digits of one of the numbers were interchanged. As a result the sum of all the ten numbers increased by a value which was four less than that number. Three times the sum of the digits of the original number is ten less than the number. ...

math
A bag has balls of four colours - red,blue,green and pink.Half the total number of balls are pink. One-fourth of the number of green balls equals one-third of the numher of blue balls. The number of pink balls is 4 less than twice the total number of green and blue balls. The ...

math
*neat and good

math
Thank you very much. Explained neat and wast. I was breaking my head for this.

math
An amount of $9000 is divided among four persons A,B,C and D. The sum of shares of A,C and D is four times the share of B. The sum of shares of B and D is equal to four-fifths the sum of shares of A and C. Find the share of D. Please help!! How to frame equation for share of ...

math
Thank you!

math
Liz,John and Kim had some amount of money.Liz gives half of her amount to John, who then gives half of what he now has to Kim. Kim gives half of what she has now to Liz, who, now has exactly what she started with. If the sum of John's initial amount and twice Kim's ...

Chemistry
The Ksp for BaCrO4 is 1.2X10-10. Will BaCrO4 precipitate when 10 mL of 1 X10-5M Ba(NO3)2 is mixed with 10 mL of 1X10-3M K2CrO4? I am not sure where to start

physics
a projectile is dropped from the top of a building - it falls 1900 ft prior to reaching the ground. determine the magnitude of the acceleration in ft/second squared to the nearest tenth. Question 1 options:

English
Grammatical ones are #1,3,5,7,8,9,11,13,15,18. All forms of ing are not ungrammatical only some. Most sentences that consists of He is would be He's An example would be He is feeling happy. Incorrect He's feeling happy. Correct

geography
The Alternative for the Americas agreement of the early 2000's is primarily aimed at A. creating a Latin American Union B. inviting foreign investment from Asia C. improving ties with the European Union D. excluding the United States from Latin America My answer is D, if ...

Geography
Regarding tropical rainforests, the term evapotranspiration refers to the fact that A. deforestation causes a decline in atmospheric oxygen. B. the humidity of rain forests can produce local and regional precipitation C. deforestation causes a loss of soil fertility due to ...

English
Answer is number 1

geography
In the post-industrial era, an edge city is a/an A. urbanized development that is an extension of a megalopolis B. complex of warehouses, shopping malls and offices located along traffic routes C. merger of several residential suburbs into one entity D. large suburban ...

Statistics
No idea where to begin... Do men or women watch more T.V. per day? To answer the question two samples were select with the help of SPSS and the following results were produced. Is there a significant difference between men and women in watching T.V.? Perform five-step model to...

chemistry: please check work
How many grams of solute are contained in 64.3 mL of 0.0238M KOH? Do I convert 64.3ml to L=.0643L Multiiply .0643L and .0238M KOH=.00153 Multiply .00153 and 56.105 g/mol KOH=.0858g KOH

Chemistry: Please check my work!I am stumped
When nitroglycerin (C3H5N3O9) explodes, it decomposes into the following gases: CO2, N2, NO, and H2O. If 239g of nitroglycerin explodes, what volume will the mixture of gaseous produces occupy at 1.00 atm pressure and 2678oC? a. Write a balanced equation for the reaction. b. ...

Chemistry: please help, I am stumped
When nitroglycerin (C3H5N3O9) explodes, it decomposes into the following gases: CO2, N2, NO, and H2O. If 239g of nitroglycerin explodes, what volume will the mixture of gaseous produces occupy at 1.00 atm pressure and 2678oC? a. Write a balanced equation for the reaction. b. ...

chemistry
A. 4C3H5N3O9>12CO2+5N2+2NO+10H2O Not sure about the other yet. I am trying to figure it out , so I can explain it to my daughter. Is A correct?

chemistry
When nitroglycerin (C3H5N3O9) explodes, it decomposes into the following gases: CO2, N2, NO, and H2O. If 239g of nitroglycerin explodes, what volume will the mixture of gaseous produces occupy at 1.00 atm pressure and 2678oC? a. Write a balanced equation for the reaction. b. ...

chemistry
I have no clue how to do b and c.

chemistry
If 2.33 L of propane (C3H8) at 24oC and 67.2 kPa is completely burned in excess oxygen, how many moles of carbon dioxide will be produced? a. Write a balanced equation for the reaction. b. Use stoichiometry to find the volume of carbon dioxide. c. Use the ideal gas law to ...

chemistry
How do I actually do this? I am trying to show my daughter how to do it and have no clue.

chemistry
Convert the following pressures to pressures in atmospheres. a. 151.98 kPa b. 45.6 psi

Chemistry
A gas has a pressure of 4.62 atm when its volume is 2.33 L. If the temperature remains constant, what will the pressure be when the volume is changed to 1.03 L? Express the final pressure in mm Hg.

CHP
how to calculate FTE allowing 15% adjustment fact.

books (Henry VIII)
Thank you very helpful

books (Henry VIII)
I know I have posted this question before put under the wrong context I accidentally wrote Hamlet instead of Henry VIII. That's because I was working on both pieces of work. My answers have changed and want to know if they are correct. Please check over my work, any help ...

books (Hamlet) (look over questions please)
c. Cardinal Wolsey suggests that he is absolved from responsibility for Buckingham's death when he states A. "This, and all else... is most false" (lines 24-26) B. "The duke by law / Found his deserts" (lines 26-27) C. "You have as little honesty ...

books (Hamlet)
The Earl of Surrey's most cutting use of irony is..? Choose from either.. A) "Thou art a proud traitor, priest." (line 9) B) "Whilst your great goodness, out of holy pity, / Absolved him with an axe." (lines 22 and 23) C) "Your goodness, / Since ...

chemistry
na+c1-(aq)+hc1(aq)

Math
Math Question = an aquarium holds 6 and 1/4 gallons of water. the water level dropped to 4/5 of this amount .how much water should be added to fill the aquarium Above is my son's math question and we can't figure out how to solve it. The possible answers are: 74 and 1...

physics
a river flows due east at 1.50 m/s. A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 10m/s due north relative to the water. (a) what is the velocity of the boat relative to the shore? (b) if the river is 300 m wide, how far...

physics
a soccer player kicks a rock horizontally off a 40.0-m-high cliff into a pool of water. if the player hears the sound of the splash 3.00 s later, what was the initial speed given to the rock? assume the speed of sound in air to be 343m/s.

math
how to make a parallellagram with a base of 8cm and perimeter is 28cm?

Math
Solve the puzzle =RIGHT(LEFT($B$2,84),1) =RIGHT(LEFT($B$2,17),1) =RIGHT(LEFT($B$2,138),1) =RIGHT(LEFT($B$2,2),1) =RIGHT(LEFT($B$2,234),1) =RIGHT(LEFT($B$2,138),1) =RIGHT(LEFT($B$2,4),1) =RIGHT(LEFT($B$2,173),1) =RIGHT(LEFT($B$2,2),1) =RIGHT(LEFT($B$2,209),1) =RIGHT(LEFT($B$2,4...

math
ffffffffffffffffffffffffffffffffffffffffff

Grammar
Actually this is a run-on.

Geometry
mÚAOC = 7x - 2, mÚDOC = 2x + 8, mÚEOD = 27

MATH
I have to make 4 square dog pens fit into a 169 square meter yard. the yard is square whole numbers If you square the yard it isn't whole numbers. 84.5 One of the pens is 24 square meters Please help me begin.

Chemistry Question
.76 A

Chemistry
N2(g) + H2(g) -> NH3(g) ; how many moles of NH3 is is produced when 0.67 moles of N2 reacts with H2?

Math
express each answer in exponential form using the indicated bases: 1. 4 x 4 x 4 x 4, base 2 2. 100 x 100 x 100, bases 2 and 5 3. 4 x 8 x 4 x 8, base 4

Chemistry
What do sodium bicarbonate and magnesium hydroxide have in common?

1/2 cup fraction word problem
Jane is using a recipe to bake cookies.Recipe calls fo a little less than 1/2 of choc chips. Which amount is less than 1/2? 4/8 2/3 4/7 3/7 off the top of my head I see that 4/8 is equal should I use ldc and make 2/3 4/6 4/7 8/14 3/7 6/14 then what?? should I reduce?? then I ...

fractions
fraction word problem. please advise on how to work the problem Phillip and Jane had a pie each. Phippip ate 1/4 of his and Jane ate more of the pie than Phillip. Which fraction of his pie could Jane have eaten. Possible answers: 2/5 1/6 2/8 or 1/8 Please advise whether or not...

fractions
fraction word problem. please advise on how to work the problem Phillip and Jane had a pie each. Phippip ate 1/4 of his and Jane ate more of the pie than Phillip. Which fraction of his pie could Jane have eaten. Possible answers: 2/5 1/6 2/8 or 1/8

Math
STATISTICS Why is collecting data on the same time everyday more accurate when compared to collecting data at different times everyday?

math
What is the sin of 495 degrees?

Statistics/Social Psychology
I have collected ssps data and am having trouble taking the data and putting it into a coherent sentence. I can't paste the chart but here is what I have. An independent-samples t-test was conducted to compare the length of jail sentence given based on the favorability to ...

Math
I need to find the domain of f(x) = (3x+3)/ (x^2 -3). I keep getting (U SQUARE Root of 3 and - Square root of 3 U ) Does that mean that the answer is all real numbers? I know that x can not=3, What am I doing wrong? Thanks.

Math
f(x)=(x^3-27)/(x^2-3x) I need to find the slant. If the vertical asymptotes is x=0 then is the slant y=x+3?

6th grade math
Linda is painting a design. Each tube of paint will cover an area of 51 square centimeters. At least how many tubes of paint will Linda use to paint section c? Note: section c is 6cm The answers to choose fom are a) 1 b) 2 c)3 d) 4 I tried 51 divided by 6 ,but it is not coming...

6th grade math
answer f or g maybe g is the answer ?

6th grade math
Which proportion can you use to find the width of a full size railroad track? of 1 millimeter for every 87 millimeters in a full size train. The model railroad cars run on a track that is 16.5 mm wide. f) 1/87 = x/16.5 g) 1/87 = 16.5/x h) 1/x= 87/16.5 j) 16.5/87 = x/1

6th grade math
These numbes are arranged fom greatest to least. Which value is next? 7/8 0.75 5/8 then blank f)1\2 g) 0.58 h) 6\8 j)0.65

6th grade math
Is there a quick way to get the answer to this problem without doing a calculation of each possible answer. These numbers are arranged from greatest to least. Which value is next. F) 1/2 G) 0.58 H) 6/8 J) 0.65

algebra
How to simplify the square root of 45 plus 4 square root 5

algebra
How to simplify the square root of 45 plus 4 square root 5

algebra
How to simplify the square root of 45 plus 4 square root 5

proper fraction to mixed number
Thanks

proper fraction to mixed number
The instructions say to convert 3/4 - 1/8 to a mixed number the answer I have is 5/8 Can you convert a proper fraction to a mixed number ?? Suzanne

chemistry
How do you compute the rate of effusion of one gas compared to another, like Neon to CBr4?

physics
A group of swimmers is resting in the sun on an off shore raft. They estimate that 1.1m separates a trough and an adjacent crest of surface waves on the lake. In addition, they count 23 crests that pass by the raft in 15.7seconds. What is the frequency of these surface waves? ...

Algebra 2
How can you check if 3+i is a zero of the equation x^4-6x^3+6x^2+24x-40?

math/ CIRCUMFERENCE of a circle
A person has a measuring wheel that records the distance the wheel is rolled along the ground. The circumference of the wheel is one yard. If the wheel is pushed half a mile, how many times will the wheel go around (1mi=5280 ft)?

math/ CIRCUMFERENCE of a circle
A person has a measuring wheel that records the distance the wheel is rolled along the ground. The circumference of the wheel is one yard. If the wheel is pushed half a mile, how many times will the wheel go around (1mi=5280 ft)?

6th grade math
Form and equivalent division problem for 5 / 1/3 by multiplying both the dividend and divisor by 3. Then find the quotient. IS it 5 / 3/9 Do I finish by mutliplying 5/1 x 9/3(reciprocal)?

6th grade math
Is the answer to G - 2 2/5 = 5 4/5 G = 7 6/5 ?

6th grade math
thanks

6th grade math
What is the number of 5/6s in 3? Is the answer 18/ 5 ? If not, please explain.

6th grade math
How many 5/6's are in 1? Is the answer 6/5 ??

methods of sbtracting mixed fractions
How did you change 9 70/84 to 8 154/84?

methods of sbtracting mixed fractions
Hello, I need did a subtraction problem with mixed numbers by converting the LCD of the denominator. However, when I went to Algebra.help they did the problem by converting the mixed problem to an improper fraction and then worked it that way. However, I know that the answers ...

pre algebra 6th grade
Tara's bank account contains $250.00. She made only one deposit exactly one year ago. The bank account pays a simple interest rate of 8%. How much money did Tara deposit in the account one year ago?

physics
Why can't you hit a feather in mid-air with a force of 200 N?

mat116
Graph the system of inequalities: x+3y <or= 9 3x+y <or= 9 x >or= 0 y >or= 0

6th grade math
Problem: How many 3/4ths are in 1? Is the calculation correct? 1 / 3/4 1 x 4/3 = 4/3

6th grade english
Is "reminds" a present, present participle, past, or past participle? Kim "reminds" Robin of their five days at camp.

stat
a sample of 150 adults is composed of 100 women and 50 men. estimate the standard error of the proportion for the female population

6th grade fractions
What does manipulative mean?? Which fraction manipulative covers 1/2 of 1/3 ?

math
What is the opposite of 10?

HIS 115
Thank you for your help!

HIS 115
What does "claims of sovereignty" mean?

HIS 115
I am reviewing the Gutierrez Map and I need to know, what does this mean: How might the map’s indication of where Native American’s lived have strengthened European claims of sovereignty? Could you please reword this question so I can understand what it is asking.

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