missy

Most popular questions and responses by missy
1. algebra

translate the following phrase into an algebraic expression. "the quotient of a number less seven and twenty."

asked on May 30, 2012
2. Math

(6.0x10^5)x(3.0x10^4)=? 18x10^20 18x10^9 1.8x10^20 1.8x10^10 2.(5x10^-2)/(2x10^10=? 2.5x10^-5 2.5x10^-1 25x10^1 25x10^2 3.(2.56x10^6)x(3.56x10^2)=? 9.1136x10^12 91.136x10^8 9.1136x10^8 91.136x10^12 4.In a recent year, the population of California was about

asked on September 22, 2016
3. Math

A baker bought some flour. He used to 2/5 of the flour to make bread and used the rest to make batches of muffins. If he used 16 pounds of flour making bread and 2/3 pound for each batch of muffins how many batches of muffins did he make

asked on November 3, 2016
4. Quantitative Analysis

The dibasic compound B (pKb1 = 4.00, pKb2 = 8.00) was titrated with 1.00 M HCl. The initial solution of B was 0.100 M and had a volume of 100.0 mL. Find the pH at the following volumes of acid added and make a graph of pH versus Va; Va=0, 1, 5, 9, 10, 11,

asked on November 14, 2012
5. Math

Why could the mean of the data set below be misleading? ages of teachers: 29, 38, 39, 26, 29, 29, 39, 77, 38, 29

asked on October 9, 2012
6. Chemistry

A 100.0 mL aliquot of 0.100 M weak base B (pKb=5.00) was titrated with 1.00 M HClO4. Find the pH at the following volumes of acid added Va= 0, 1, 5, 9, 9.9, 10, 10.1, and 12mL

asked on November 14, 2012
7. chemistry

Why is it necessary to heat the hydrate gently at first and then more strongly only after most of the water has been driven off?

asked on November 4, 2016
8. English

Are these right? IF not please help me understand them thank you. Identify the sentence that most strongly relies on emotional language. It took a lot of work, but we finally got the job done. With hard work and dedication, we got the job done.** We had to

asked on May 13, 2015
9. Alg 2

Expressions, Equations and Inequalities I am struggling can someone please explain how to get the correct answer choice thank you! 1. Which of the following is equal to (3x/5-7)+7 5x/3 3x/5 3x-35/5 (3x-7)+35 5. name the property of real numbers illustrated

asked on September 3, 2015
10. Math Concentration

Joe has a ring weighing 10 grams made of an alloy of 13% silver and the rest gold. He decides to melt down the rings and add enough silver to reduce the gold content to 69%. How many grams of silver should he add? My set up is: 10 (.13 + .87) = 10 (.13 + X

asked on June 26, 2011
11. Probability and Linear Math

SET UP BUT DO NOT SOLVE THE FOLLOWING LINEAR PROGRAMMING PROBLEM. A financier plans to invest up to \$500,000 in two products. Project A yields a return of 10% on an investment, whereas Project B yields a return of 15% on the investment. Because the

asked on December 1, 2014
12. Math

The amount allowed in weight per bus is 221 pounds. My friend weighs 60 pounds. For us to ride in a car together how much can you weigh? I wrote this solution. If it is right? if not could you show me the steps? x + 60 < = 161; at most 221 pounds. Is this

asked on May 16, 2013
13. Chemistry

At one stage you add phosphate ion to the ractions sequence. where exactly does this phosphate end up? It is not weighed in with the copper at the end. Reaction sequence: Cu(NO3)2 = Cu(OH)2 =CuSO4 = Cu3(PO4)2= CuCl2=Cu

asked on September 15, 2010
14. college algebra

A model rocket is launches upward with an initial velocity of 160 feet per second. The height, in feet, of the rocket t seconds after the launch is given by h=-16t^2+160t. How many seconds after the launch will the rocket be 290 feet above the ground?

asked on January 30, 2012
15. chemistry help asap

Please check these thanks. 1. In a titration, 33.21 mL 0.3020M rubidium hydroxide solution is required to exactly neutralize 20.00 mL hydrofluroic acid solution. What is the molarity of the hydrofluroic acid solution? Answer: 0.502HF 2. A 35.00 mL-sample

asked on February 6, 2012
16. Chemistry

At one stage you add phosphate ion to the ractions sequence. where exactly does this phosphate end up? It is not weighed in with the copper at the end. Reaction sequence: Cu(NO3)2 = Cu(OH)2 =CuSO4 = Cu3(PO4)2= CuCl2=Cu

asked on September 15, 2010
17. space

from 1700 to 1800 the greatest number of sunspots was just over what

asked on October 23, 2008
18. Trig-Algebra help asap

The adjacent sides of a parallelogram measure 8 cm and 12 cm and one angle measures 60 degrees. Find the area of the parellelogram.

asked on March 12, 2012
19. chemistry

The weak acid HQ has pKa of 4.89. Calculate the [H3O+] of .025 M HQ. when i did this i got 5.2 x 10 ^-14

asked on November 15, 2010
20. college algebra

a cub measures n inches on each edge. If a slice 1 inch thick is cut from one face of the cube and then a slice 3 inches thick is cut from another face of the cube, the resulting solid has a volume of 1560 cubic inches. Find the dimensions of the original

asked on April 16, 2012
21. college algebra

A propane tank has the shape of a circular cylinder with a hemisphere at each end. The cylinder is 6 feet long and volume of the tank is 5pie cubic feet. Find, to the nearest thousandth of a foot the length of the radius x.

asked on April 16, 2012
22. acids and alkalis

Name some alkalis lime. Lye. can you name some other alkalis apart from oven cleaner, soap, toothpaste, moutwash, indigestion medicine and bleach Or other cleaning products Bile in the digestive track is a strong alkali can you name some general things

asked on November 4, 2006
23. Chemistry

At one stage you add phosphate ion to the ractions sequence. where exactly does this phosphate end up? It is not weighed in with the copper at the end. Reaction sequence: Cu(NO3)2 = Cu(OH)2 =CuSO4 = Cu3(PO4)2= CuCl2=Cu

asked on September 15, 2010
24. Math

Tom and Lana both need \$15,000 in 3 years. Tom finds an investment in which he can earn 8% compounded annually. Lana finds an investment in which she earns 7 7/8% interest compounded monthly. Who must invest more money now in order to get \$15,000 in 3

asked on April 13, 2014
25. Chem 2

Metallic Magnesium can be made from electrolysis of molten MgCl2. What mass of Mg is formed by passing a current of 4.55A through a molten MgCl2 for 3.50 days? Please Help!!

asked on November 22, 2010
26. Chemistry

A weak acid HA (pKa = 5.00) was titrated with 1.00 M KOH. The acid solution had a volume of 100.0 mL and a molarity of 0.100 M. Find the pH at the following volumes of base added and make a graph of pH versus Vb: Vb = 0, 1, 5, 9, 9.9, 10, 10.1, and 12 mL.

asked on November 14, 2012
27. Math

Fantasia Florist Shop purchases an order of imported roses with a list price of \$2,375 less trade discounts of 15/20/20. What is the dollar amount of the trade discount? Using your answer to the question above, what is the net dollar amount of that rose

asked on May 29, 2013
28. math

in 1986, 43% of U.S. adults approved of men and women living together without being married. for the period from 1986 through 2007, the percentage approving of cohabitation increased on average by approzimately 0.6 each year. if this trend continues, by

asked on August 12, 2012
29. chemistry

Propane is widely usid in liquid form as a fule for barbecue grills and camp stoves for 58.5g of propane, calculate the following quantities. The grams of carbon?

asked on September 14, 2010
30. physics

A child ties a rock to a string and whirls it around in a horizontal circle. Assuming a 1.50 m -long string making 20.0 ∘ angle below the horizontal, find the speed of the rock. Find the period of its uniform circular motion.

asked on February 9, 2016
31. Chemistry

A solution of vinegar is 5.16% by mass aetic acid, CH3CO2H, in water. Assuming the density of vinegar is 1.00 g/mL, what is the molarity of the acetic acid?

asked on October 18, 2010
32. Chemistry

At equilibrium, [S(CH2CH2Cl)2] = 350 M, [SCl2]=.325M, and [C2H4] =.273 M for the reaction below. SCl2 + 2C2H4 = S(CH2CH2Cl)2 What is the Kc?

asked on November 1, 2010
33. Literature

When you save documents, it is important to check the _____ at the top of the navigation window to ensure saving your file in the current location A.adress bar ** B.insert ribbon C.file type D.file name

asked on October 8, 2014
34. Chemistry

A buffer is prepared by mixing 205 mL of .452 M HCl and .500 L of .400 M sodium acetate. (Ka =1.80 x 10^-5) a) What is the pH? b) How many grams of KOH must be added to .500 L of the buffer to change the pH by .125 units?

asked on November 29, 2010
35. Geometry

The average human heart pumps about 60 milliliters of blood for each beat. a. About how many liters of blood does your heart pump each day? b. Do you think a reasonable degree of precision for this question would be to report the answer to the nearest 100

asked on December 3, 2013
36. chemistry

Aqueous sulfuric acid is neutralized by aqueous potassium hydroxide. Express your answer as an ionic equation. Identify all of the phases in your answer.

asked on October 12, 2010
37. chemistry

An electron traveling at 4.3×105 m/s has an uncertainty in its velocity of 1.92×105 m/s. What is the uncertainty in its position?

asked on March 30, 2012
38. Alegra Beginning

Rachel earns \$6,000 less than twice as much as Tom. If their two incomes total \$48,000, how much does each earn?

asked on October 24, 2011
39. Science

What is special about characteristics properties of matter? A. The state of matter is the same B. The atoms rearrange C. They do not change D. All the properties change I don't understand the ?

asked on April 16, 2007
40. Math

Given that a cylinder has a volume of 1200cm^3, what is the volume of a cone that has the same height and same radius as the cylinder? explain your reasoning

asked on January 16, 2015
41. Chemistry

SrH2 +2H2O = Sr(OH)2 + 2H2 You wish to calculate the mass of hydrogen gas that can be prepared from 7.74g of SrH2 and 6.45g of H2O How many moles of H2 can be produced from the given mass of SrH2? How many moles of H2 can be produced from the given mass of

asked on September 14, 2010
42. chemistry

CaCO3 = CaO +CO2 after a 15.8g sample of calcium carbonate was heated in an open container to cause decompostition the mass of the remaining solid was determined to be 9.10g. calculate the mass of carbon dioxide produced.

asked on September 14, 2010
43. Language Arts

I just need someone to double check my work. :) Here are my answers: 1. C 2. B 3. A 4. B 5. D 6. B 7. A 8. A Here are the questions: Choose the option that correctly identifies the ( underlined words ) in each sentence. 1. (Stretching for 210 miles), the

asked on January 4, 2013
44. TRIG HELP ASAP

I really need help on this problem. A sector has area of 15 in^2 and central angle of 0.2 radians. Find the radius of the circle and arc length of the sector

asked on February 6, 2012
45. social studies

When Andrew became a Roman Catholic priest, making the vow of celibacy was difficult, but he remained true to his commitment. Andrew found along the way that he had a talent for sculpting and began creating exquisite pieces of religious art. Sigmund Freud

asked on October 10, 2011

The circumference of a circle is 12.56 centimeters. What is the approx. measure of the circle's radius? A. 2 B. 2.5 C. 4 D. 8 I think that the Diameter would be 4.18 so the radius would be 2.04 or rounded to 2.

asked on March 24, 2008
47. Science

Which resource is renewable? A. Coal B. Crude Oil C. Whale Oil D. Natural D. Natural gas I searched Google under the key words "renewable energy sources" to get these possible sources: http://en.wikipedia.org/wiki/Renewable_energy

asked on April 17, 2007
48. math

A marathon runner ran 26.2 miles in 2 h 30 min. Find these rates: a. miles per hour b. miles per minute c. minutes per mile

asked on November 10, 2011
49. math

Instant dinner comes in packages with weights that are normally distributed with a standard deviation of 0.3 oz. If 2.3 percent of the dinners weigh more than 13.5 oz, what is the mean weight?

asked on November 15, 2008
50. chemistry

How many milliliters of 16.0 M HNO3 stock solution wouuld be required to prepare 100.0mL of 3.00 M HNO3? Use the formula M1V1=M2V2

asked on January 23, 2012
51. triginomitry

A cottage under construction is to be 12.6 meters wide. The two sides of the roof are to be supported by rafters that meet at a 50 degree angle.How long should the rafters be?

asked on January 9, 2012
52. math

Instant dinner comes in packages with weights that are normally distributed, with a standard deviation of 0.3 oz. If 2.3% of the dinners weigh more than 13.5 oz, what is the mean weight?

asked on November 15, 2008
53. Physics

Would someone please show me a way to work this out A ball is dropped from the top of a building 150 m high. (Ignore air resistance) A. How long does it take the ball to hit the ground? B. What is the speed of the ball when it hits the ground?

asked on September 13, 2011
54. chemistry

Many analytical instruments require liquid nitrogen. While filling an instrument with liquid nitrogen, an analytical chemist slips and spills the contents of the dewer, 25L, onto the floor. Since the boiling point of liquid nitrogen at 1atm is 77.4 K, all

asked on October 6, 2010
55. math

The diameter of a pipe is normally distributed with a mean of 0.4 inches and a variance of 0.0004. What is the probability that the diameter of a randomly selected pipe will exceed 0.44 inches?

asked on November 15, 2008

What is special about characteristics properties of matter? A. The state of matter is the same B. The atoms rearrange C. They do not change D. All the properties change This question needs a science tutor's response. I don't understand the question. Did

asked on April 16, 2007
57. chemistry

how many liters of hydrogen gas can be formed at 722 mmHg at 15 degress C when 5.5 grams of zinc metal with 150 mL of 1.25 molarity HCl solution?

asked on November 10, 2012
58. algebra-trig help asap

Evaluate the expression. Assume that all angles are in quadrant 1. 1. cos(arccos4/5)

asked on April 18, 2012
59. college algebra

on a ship, the distance d that you can see to the horizon is given by d=1.5 square root h, where h is the height of your eye measured in feet above sea level and d is measured in miles. How high is the eye level of a navigator who can see 16 miles to the

asked on January 30, 2012
60. Chemistry

Suppose that you start with .305g of copper. compute the theoretical yiled of the phosphate in the above procedure. based on what you saw as you performed the experiment, what practical obstacles are there to wighing the cooper(II) phosphate to check its

asked on September 15, 2010
61. chemistry

How many grams of Li3N can theoretically be produced from 1.77 moles of Li? 6Li+N2 = 2Li3N

asked on September 14, 2010
62. 7th Grade Matj

On a recent day, 8 euros were worth \$9 and 25 euros were worth \$27. Write an equation of the form y = kx yo show the relationship between the number of euros and the value in dollars. ___________, where y is dollars and X is euros My answer is \$36 = k32.

asked on April 28, 2016
63. Math

1. A baker had 10 sacks containing the following amounts of flour: 4 ½ kg, 3 ¼ kg, 2 ½ kg, 2 ½ kg, 4kg, 3 ¼ kg, 4 ¼ kg, 5kg, 2 ½ kg, 3 ¼ kg 2. Plot the measurements on a line plot. Give the line plot a title and label the axis. 3. If the baker

asked on February 10, 2016
64. Algebra-Trig help asap

A rhombus has sides of 5 cm each and one diagonal is 6 cm long. Find the area of the rhombus.

asked on March 13, 2012
65. Trig-Algebra help asap

A regular pentagon is inscribed in a circle whose radius measures 7 cm. Find the area of the pentagon.

asked on March 12, 2012
66. social studies

Erica tries to avoid her boss when he's in a bad mood. To keep out of his way, she spends more time doing dreaded but important paperwork, which she usually puts off as long as she can. Her employer's bad moods have the effect of __________ her attention

asked on October 1, 2011
67. Math

5% of a number is equal ti 25. Would this be 20 A.S.A.P.

asked on February 2, 2018
68. Trig-Algebra help asap

A regular octagon is inscribed in a circle with a radius of 5 cm. Find the area of the octagon.

asked on March 12, 2012
69. chemistry

if I were to make 1 liter of 8% alcohol soultion, how much water and how much alcohol would I need?

asked on September 8, 2011
70. The Crucible Crossword Puzzle question

The question is: Thomas Putnam was this about his situation in life. There are 6 letters and the first letter starts with a b and the second to last letter starts with an e. I'm not sure what it is though can you help? Thanks

asked on October 30, 2010
71. chemistry

draw a lewis structure for a resonance form of ClO2- showing the lowest possible formal charges and give the oxidation numbers of the atoms

asked on September 20, 2010
72. history

Who were the major critics of slavery? On what grounds did they attack the institution and what means to end it did they propose?

asked on January 18, 2010
73. history

the most conspicuous change in American life in the 1840s and 1850s was the rapid industrialization of the Northeast." What changes occurred in this region during the period under consideration and how did these changes tend to draw the Northeast and the

asked on January 18, 2010
74. math

I don not understand how to do least common mutiples. Can I please get some help. I need to find the least common multiple of 420 and 196. there is a real neat way to do this which works for the LCM of any number of numerals. 420 196 -------| divide each

asked on April 18, 2007
75. 5th Grade Science

What do all desert plants have in common? A. all have prickles or thorns B. all can survive without water C. all can live without much rain D. all are poisonous to desert animals i think it is B hmmmmm? no water at all? hey k. i picked b cause all plant in

asked on April 18, 2007
76. Math

Jane is 5 years younger than Mary. How old is Jane if Mary is 23 years old? Please show step so I can understand how you get the answer .Because word problem confuse me.Thank you in advance

asked on February 2, 2018
77. latin

translate to good enMonete, custodes, militem infelicem. Apud viros avaros hodie est.

asked on March 6, 2013
78. Chemistry

A sample of natural gas at STP is 78% CH4 and 22% C2H6 by volume. How many moles of each gas are present in 1.60L of the mixture? Assume ideal gas behavior

asked on October 6, 2010
79. chemistry

2Br- + Cl2 = 2Cl- +Br2 how many moles of chlorine gas, are required to react with 169g of bromide(Br-)?

asked on September 14, 2010
80. Geometry

Can you check these multiple choice questions thanks. 1. What is the length of a rectangle that has an area of 20 square meters and a perimeter of 18 meters. A. 10 meters B. 2 meters C. 5 meters D. 9 meters Answer: B 2. Find the minimum perimeter of a

asked on September 5, 2009
81. Math

I'm new to this but.. how many subsets does a five element have. How many subsets does a set of six elements have?

asked on August 18, 2009
82. Science

Which is the best description of bedrock A. Dark soil, rich in humus B. Coarse soil with little humus C. Decaying plant and animal matter D. Solid rock with some cracks b cause its the best

asked on April 17, 2007
83. College algebra

A fountain in a shopping mall has two parabolic arcs of water intersecting. The equation of one parabola is y = -0.25x^2+2x and the equation of the second parabola is y=-0.205x^2+4x-11.75. How high above the base of the fountain do the parabolas intersect?

asked on May 5, 2012
84. algebra-trig help asap

Evaluate the expression. Assume that all angles are in Quadrant I. 14. tan(arccos 3/5)

asked on April 18, 2012
85. algebra

Which set of ordered pairs represents a function from P to Q? P={5, 10, 15, 20} Q={-2,0,2}

asked on February 20, 2012

Can you please check these answers thanks 1. A ladder 14 feet long is leaning against a house. The foot of the ladder is 4.8 feet from the house. Find the angle of elevation of the ladder and the height it reaches on the house. Answer: 13.2=height 18.9

asked on February 11, 2012
87. psychology

Researchers have found that, during childhood: A) girls' gender schemas are more rigid than boys' gender schemas. B)when boys play with girls, the boys lose status. C)boys like it when girls dress and behave like boys. D)girls express stronger preferences

asked on October 10, 2011
88. Chemistry

If a precipitation reaction occurs when a solution of one species is added to a solution of the other, enter the formula, including the state, of the soluble product. If there is no reaction, enter the formula and state of all ions in solution, separate by

asked on January 29, 2010
89. history

Jefferson and the Republicans championed the rights of the states and advocated a strict adherence to the Constitution, but once in office, they found new situations that demanded governmental actions that, in some cases, went beyond what the Federalists

asked on January 18, 2010
90. accounting

On July 1, 2010, Brower Industries Inc. Issued \$32,000,000 of 10-year, 12% bonds at an effective interest rate of 13%, receiving cash of \$30,237, 139. Interest on the bonds is payable semiannually on December 31 and June 30. The fiscal year of the company

asked on January 10, 2010
91. 7th grade math

On a recent day, 8 euros were worth \$9 and 25 euros were worth \$27. Write an equation of the form y = KX yo show the relationship between the number of euros and the value in dollars. ___________, where y is dollars and X is euros My answer is \$36 = k32.

asked on April 28, 2016
92. math

the product of two mixed numbers that are each between 4 and 5 is between 16 and 25. I think that is false. am I correct

asked on January 29, 2015
93. college algebra

a rectangular box has a volume of V(x)=x^3+13x^2+50x+56 cubic inches. The height of the box is x+7 inches. The width of the box is x+4 inches. Find the length of the box in terms of x.

asked on March 18, 2012
94. Trig-Algebra help asap

A rhombus has sides of 5 cm and one diagonal is 6 cm long. Find the area of the rhombus.

asked on March 12, 2012
95. social studies

Which of the following ways of measuring explicit memory usually produces the best results? A)Relearning B) Recall C)Recognition D) Referral I chose B. Am I right?

asked on October 3, 2011

if the break-even point in dollar sales for a company is \$360,000 and the company's contribution margin ratio is 30% and the company expects a profit of \$84,000, what would the sales have to total?

asked on May 4, 2011
97. math

what percent of students have a major other than math, history, english or science. math=200 history=300 english = 400 science=150 other= 200

asked on March 30, 2011
98. French

Could you check these thanks. Part 1: Directions: Ask questions in 2 other ways by replacing the underlined words with où, d'où, comment, qui, avec qui, quand, à quelle heure, combien de, pourquoi, quoi/que/qu'est-ce que. (Note: UNDERLINED WORDS WILL BE

asked on November 8, 2010
99. Chemistry

The Kc for the reaction below is 4.8 X 10 ^-10. 1/2 N2 +1/2 O2 = NO what is the Kc for the following reaction? 2NO=N2 +O2

asked on November 1, 2010
100. Chemistry

Calculate the vapor pressure of a solution of 33.0 g of gylcerol (C3H8O3) in 500g of water at 25 degrees C. the vapor pressure of water at 25 degrees C is 23.76 torr

asked on October 18, 2010

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