Questions Asked on
January 28, 2015

  1. Science

    1) Which of the following is a chemical change? (1 point) Boiling of water Melting a cube of ice Dissolving 10 grams of salt in water Splitting water into hydrogen and oxygen*** 2) What is the mass of water that results from combining 2.0g of hydrogen with

    asked by Skylar
  2. Math.

    1. Find the area of the given circle. Round to the nearest tenth. *theres a picture of a circle and the radius is 3.5* A. 22.0 cm *squared* B.38.5 cm *squared* C. 11.0 cm *squared* D. 42.8 cm *squared* 2.Find the circumference of the given circle. Round to

    asked by Anonymous
  3. Science

    Which kind of pollution is illustrated by a pipe gushing polluted water into a river? A. Point source B. Nonpoint source C. Carbon source. D. Resource source

    asked by Ariel
  4. math

    A cube of wood measures 5 centimeters on a side and weighs 19 grams. What is the density of the cube of wood? Will the cube of wood float in water?

    asked by Evangeline
  5. Math

    Express the function in the form f o g. (Use non-identity functions for f and g.) G(x)= cube root of (x/(9+x)) {f(x),g(x)}=?

    asked by TayB
  6. Physics

    An airplane cruises at 880km/h relative to the air. It is flying from Denver, Colorado due west to Reno, Neveda, a distance of 1200km and will then return. There is a steady 90km/h wind blowing to the east. What is the difference in flight time between the

    asked by Skyler
  7. Math

    Monica paid sales tax of $1.50 when she bought a new bike helmet. If the sales tax was 5% how much did the store charge for the helmet before tax?

    asked by Makenzey
  8. science

    If a kestrel eats a mouse that eats grass, the kestrel is a

    asked by Vicki
  9. Math

    Lela and pepe are playing a video game. The game scores are a ratio of 1:5. Lela completes a quest and earns 48 points. Their score ratio is now 5:9. What is pepe's score?

    asked by Roni
  10. math

    A jug of milk holds 4 quarts. How many liters of milf does the jug hold. Round to the nearest hundredth of a liter. 1L= 1.06 qt A) 0.27 L B) 3.77 L C) 4.24 L D)5.06 L not sure on this one Garrett is 64 in tall. How many centimeters tall is he? Round your

    asked by Abby
  11. English

    Which statement best describes Haiku poetry? H Haiku includes two or more stanzas of free verse. Haiku includes two or more couplets. Haiku includes both internal and end of the line rhymes. Haiku includes a triplet with a theme from nature. ***

    asked by jeje
  12. English

    What is a key characteristic of a refrain in poetry? imagery alliteration repetition rhyme***

    asked by jeje
  13. chemistry

    Calculate the pressures, P, in atmospheres at which the mean free path, l, of a hydrogen molecule will be 1.50 μm, 1.50 mm, and 1.50 m at 20.0 °C. The diameter of a H2 molecule is 270 pm. Which formula would I use?

    asked by Anonymous
  14. Science

    I would really appreciate it if someone checked my answers and told me if they were right. Thx. ~Ashley 1. Which of the following determines the strength of the force of gravity between two objects? Check all that apply. A: The speeds of the objects. *B:

    asked by Xx_Ashley_xX
  15. science

    an animal that basks on a warm rack during the morning hours but retreats to the sade of the rocks during the middle day is most likely a(n) A)ectotherm B) endotherm C)vertebrate D) chordate

    asked by KK
  16. Math

    Express the function in the form f compose g. (Use non-identity functions for f and g.) u(t) = cot t/(9+cot t) {f(t), g(t)}=?

    asked by TayB
  17. English

    Please some one check to see if I got these right. Thank you:) 1.Which personal pronoun correctly completes the sentence? The pitcher for our team will be either __________ or Jake. him his he** 2.Which personal pronoun correctly completes the sentence?

    asked by Anonymous
  18. Langarts "Yearnings"

    "Yearnings" The slab of clay before me, lifeless and lacking ambition, refuses to be molded. "Shape your dreams!" The art teacher says. "Let your hands talk to your hearts!" Nothing- Just unshaped dreams, silent hands, and hardening clay on a

    asked by hello
  19. Science

    How do lawmaker make good environmental decisions? A. By relying on the short-term benefits of an environmental issue. B. By weighing down the costs and benefits of an environmental issue C. By relying only on the economical impact of an environmental

    asked by Ariel
  20. Geometry midpoint formula

    A circle on the Coordinate plane has a diameter with endpoints at (6,8) and (15,8). What are the coordinates of the center of the circle? What is the radius of the circle? Identify the coordinates of another point on the circle. Explain how you found your

    asked by Marianna
  21. physics

    Assuming that the human body has a 1.2-cm-thick layer of skin tissue and a surface area of 1.5m2 , estimate the rate at which heat is conducted from inside the body to the surface if the skin temperature is 34 ∘C. (Assume a normal body temperature of 37

    asked by unknown
  22. english

    We live in a microbial world, and there are many opportunities for food to become contaminated as it is produced and prepared. Many food-borne microbes are present in healthy animals (usually in their intestines) raised for food. Meat and poultry carcasses

    asked by stacyy09
  23. georgia state history

    The map of Mississippian Indian settlement is most likely displaying which cultural phenomena prior to European contact?

    asked by jam
  24. algebra

    The mean on a Advanced Algebra test was 78 with a standard deviation of 8. If the test scores are normal distributed, find the interval about the mean that contains 99.7% of the scores. Use the empirical rule.

    asked by Katie
  25. physics

    A typical multivitamin tablet can contain 2.00mg of vitamin B2 (riboflavin), and the RDA is 0.0030 g/day. How many such tablets should a person take each day to get the proper amount of this vitamin, assuming that he gets none from any other sources?

    asked by danny
  26. Social Studies

    which of the following best reflects the combination of tradition and modernity in the region? A.a female doctor wearing an hijab B.a male banker driving a female relative C.two women praying together in their home D.a group of men praying together at a

    asked by Delilah
  27. chemistry

    A solution of HClO is mixed and found to have a pH of 4.53. Find what the initial concentration of HClO was for this solution. Ka = 3.00 × 10−8 for HClO. Answer in units of mol/L please help this is due in 1 hour

    asked by Anonymous
  28. Early childhood

    Which statement best illustrates the nature of a Bildungsroman? A.The hero in this story never seem to understand his own faults B.In Caldwell novel her protagonist, Lucille, seek the approval of seriously slimy characters C.The hero in this story stands

    asked by smile face
  29. maths

    A survey o 85 students asked them about the subjects they liked to study 35 students liked maths,37liked history,26 liked physics,20 liked maths and history,14 liked maths and physics,2 liked all the subjects. a) how many of these students like maths and

    asked by deepthi
  30. Math

    Fred, Burt, Conrad, Otto, and Hugh run a race. All the runners can be taken to have the same level of ability, so it may be assumed that all of the possible orderings of the five runners are equally likely. Express your answers to the questions to two

    asked by help pls
  31. Math

    A $1,600.00 principle earns 7% interest, compounded semiannually twice per year. After 33 years, what is the balance in the account. My answer is $112,992.00

    asked by Steve
  32. Algebra 1

    does the rule y=-3x^5 represent an exponential function

    asked by Steve
  33. LA

    Hi, Ms. Sue . Can you please look over this? Which sentence contains a predicate noun? A)The walk through the tunnel was eerie. B)I bought Mom a cookbook for her birthday. C)My dog is master of the household. D)The ground is very uneven. I choose C?

    asked by Anonymous
  34. physics

    The U.S. five-cent coin, the nickel, has a mass of 5.1 g, a volume of 0.719 cm3, and a total surface area of 8.54 cm2. Assuming that a nickel is an ideal radiator, how much radiant energy per second comes from the nickel, if it is at 24∘C?

    asked by unknown
  35. Chemistry

    A 76.00-pound flask of mercury costs $132.00. The density of mercury is 13.534 g/cm3. a) Find the price of one cubic inch of mercury by calculating the following intermediate values.

    asked by Aaron
  36. chemistry

    Find the initial concentration of the weak acid or base in an aqueous solution of pyridine (C5H5N) with a pH of 8.65. Kb = 1.80×10e-9 . Answer in units of mol/L

    asked by Anonymous
  37. Earth Science

    10.   Which statement best describes the formation of diamonds?  A. Diamonds form in kimberlites under very low pressure. B. Diamonds form in talc under very low pressure. C. Diamonds form in talc under very high pressure. D. Diamonds form in

    asked by Sarah
  38. Chemistry

    How would you make 100 mL of a carbonic acid buffer at 0.2 M and pH = 9.8 using 0.5 M HCO3 and either 0.1 M NaOH or 0.1 M HCl and water?

    asked by Ammu
  39. chemistry

    Find the initial concentration of the weak acid or base in an aqueous solution of pyridine (C5H5N) with a pH of 8.65. Kb = 1.80×10−9 . Answer in units of mol/L

    asked by Anonymous
  40. personal finance

    Which type of tax is calculated on a per-item basis?

    asked by christian
  41. math

    Bronze is an alloy or mixture of the metals copper and tin. The properties of bronze depends on the percentage of copper in the mix. A chemist decides to study the properties of a given alloy of bronze as the proportion of copper is varied. She starts with

    asked by pizza
  42. Trigonometry

    (Triangle ABC is scalene) AC is a straight shore line and B is a boat out at sea. Angle A is 60 degrees and Angle C is 45 degrees. Find the shortest distance from the boat to the shore if A and C are 5km apart...I honestly have no idea where to start with

    asked by Abby
  43. Chemistry

    Draw the Lewis structure for each of these molecules. 1. PH3 2. H2S 3. HCl 4. CCl4 5. SiH4

    asked by Zach
  44. mathematics

    In a truck of red and green peppers the ratio of red peppers to green peppers is 3:4.if the truck contains 120 green peppers,how many red peppers are there?

    asked by Felicia motaung
  45. Chemistry

    Which of the following are excited in ultraviolet photoelectron spectroscopy? A. Valence electrons B. Core electrons C. X-rays

    asked by Morgan
  46. Early childhood

    Which statement best illustrates the nature of a Bildungsroman? A.The hero in this story never seem to understand his own faults B.In Caldwell novel her protagonist, Lucille, seek the approval of seriously slimy characters C.The hero in this story stands

    asked by smile face
  47. math

    I have 23 hundreds, 47 tens, 5 ones, 8 tenths and 10 hundredths. What number am I. We got the numbers to the left of the decimal - 2775 but to the right is it .81 or .18 or .9 as 10 hundredths is the same as 1 tenth so add 8 tenths and 1 tenth together?

    asked by Robin
  48. f

    You have just purchased a new warehouse. To finance the purchase, you’ve arranged for a 35-year mortgage for 85 percent of the $3,100,000 purchase price. The monthly payment on this loan will be $17,200. What is the APR on this loan? What is the EAR on

    asked by ali
  49. Language Arts

    In which sentence is the word utter used correctly? A. The seals utter past crabs and seaweed B. The seals will not utter minnow feed C. The playful seals utter cries of delight D. The stingray and the shark utter the seal I really need help :-(

    asked by Helper
  50. Chemistry

    How much of each of the following substances would you add to water to prepare 1.90 L of a 0.15 M solution? (a) H2SO4 from "concentrated" (18 M) sulfuric acid mL (b) HCl from "concentrated" (12 M) reagent mL (c) NiCl2 from the salt NiCl2·6 H2O g (d) HNO3

    asked by Anonymous
  51. chemistry

    a 1.00*10^1 mL sample of an unknown liquid has a mass of 7.99 g. Calculate the density of the liquid using the proper number significant figures

    asked by mike
  52. Math 6 grade

    If you need to find the percent of a number, explain how you can predict whether the part will be less than, greater than, or equal to the number. HELP PLEASE

    asked by Kathy
  53. Earth Science

      A heterogeneous mixture is a  A. mixture in which its components retain their identity. B. component added to sand that makes it inseparable. C. mixture that always contains water. D. mixture in which its components can't be separated.  A?

    asked by Sarah
  54. Math

    Fred, Burt, Conrad, Otto, and Hugh run a race. All the runners can be taken to have the same level of ability, so it may be assumed that all of the possible orderings of the five runners are equally likely. Express your answers to the questions to two

    asked by Denial

    a copper cylinder is initially at 20.0 degree Celsius. At what temperature will its volume be 0.150% larger than it is at 20.0 degree Celsius?

    asked by JEMAR
  56. World History

    Alexander's plan to unite a great empire didn't last because a. the Persians reconquered their lost lands. b. his generals divided the kingdom after his death. c. his generals divided the kingdom after his death. d. the Romans rose to power and conquered

    asked by Eden S.
  57. chemistry

    Nuclear magnetic resonance spectroscopy can be used to study which type of atoms? A. 16O B. 1H C. 2He

    asked by Morgan
  58. algebra

    a production crew is assembling a three-level platform inside a stadium for a performance. the platform has dimensions shown in the diagram and has a total volume of 1250 cubic feet. What is the volume, in terms of x, for each of the three levels of the

    asked by Tad
  59. chemistry

    How is a spectrum obtained in NMR spectroscopy? A. Low-frequency radio waves bombard the atom and cause nuclei in a low spin state to move to a higher spin state. B. High-frequency ultraviolet rays bombard the atom and cause nuclei in a high spin state to

    asked by Morgan
  60. Chemistry

    Which of the following elements can be detected by XPS? A. Hydrogen and lithium B. Boron and helium C. Lithium and boron I think the answer is c.

    asked by Morgan
  61. Algebra

    Can you please help me solve r1/r2 = sqrt(M2/M1)for M1. My answer: M1=M2r2^2/r1^2 Is this correct?

    asked by Maddy
  62. Physics

    an aircraft lands on a runway with length of 205 m at a speed of 295 km/h what is the minimum constant deceleration required for a safe landing

    asked by mike
  63. Math

    Find the product 8 1/3 x 3/5 in simplest form Find the product 5 1/2 x 3 1/3 in simplest form Use distributive property to find the product 4 2/5 x 10

    asked by Heather
  64. Math

    The radius, r cm, of a circle at time t seconds is given by r = 2t 2 + 1. Express its area, A cm2 , in terms of t and find the rate of change of the area at the instant when t=2. (Leave your answer in terms of p )

    asked by Aaqib zaman
  65. chemistry 116

    The thermite reaction demonstrated in class requires high temperatures to start the reaction. A simple open flame is not enough to start the reaction. Once the reaction is going, then it generates enough heat to keep the reaction going. According to the

    asked by danny
  66. chemistry

    In a reaction, 41.8 g of chromium(III) oxide reacts with 14.8 g of aluminum to produce chromium and aluminum oxide. If 28.6 g of chromium is produced, what mass of aluminum oxide is produced? How do I go about solving this problem?

    asked by Sarah
  67. physics

    The three charges in the figure are at the vertices of an isosceles triangle. Calculate the work that needs to be expanded, in Joules, to bring the charges together (as shown.) Take q=5.7 μC. The length of base is b=2.30 m. The lengths of sides are s=5.80

    asked by Allie
  68. Earth Science

    15.   Which statement best describes the composition of magma?      A. Magma is an element all its own.B. Magma contains the same elements as snow.C. Magma contains only three elements.D. Magma contains the same elements as Earth's crust. 

    asked by Sarah
  69. physics

    Assume a goose has a 2.2-cm-thick layer of feather down (on average) and a body surface area of 0.16m2 .What is the rate of heat loss (conduction only) if the goose, with a body temperature of 41 ∘C, is outside on a winter day when the air temperature is

    asked by unknown
  70. Math Help!!

    When the owner of a gas station sets the price of 1 gallon of unleaded gasoline at 2$, he can seek approximately 20,000 gallons per day. When he sets the price of gas at 5$ per gallon, he can sell approximately 14,000 gallons per day. Let G(x) denote the

    asked by Tori
  71. Chemistry

    How can the atomic orbital be described in the quantum mechanical wave model of the orbitals? A. A collection of balloons B. A circular ring C. A probability density

    asked by Morgan
  72. Chemistry

    1. Write the balanced equation. Use ONLY this equation to reference how the reactions below will shift. Consider whether there is an addition, a removal, or no effect to the reaction. Co(H2O)6^2+ + 4Cl^- CoCl4^2- + 6H2O 2. Write the equilibrium expression

    asked by Kate
  73. Earth Science to Ms.Sue

    7.   What gives the gem amethyst its purplish color? A. Quartz B. Titanium C. Oxygen D. Iron The answer was not A, got this question wrong.

    asked by Sarah
  74. Algebra

    Write a recursive formula for the following sequences: 1) 1,6,11,16... 2) 4, 12, 36, 108... 3) A ball is dropped from an initial height of 10 feet. The maximum heights the ball bounces are as shown (10 ft, 6 ft, 3.6 ft, 2.16 ft) a-write a recursive formula

    asked by INeedHelp
  75. Math

    The volume, V cm3 , of a cone height h is (pi)(h^3)/ 12. If h increases at a constant rate of 0.2 cm/sec and the initial height is 2 cm, express V in terms of t and find the rate of change of V at time t.

    asked by Aaqib zaman
  76. History

    In what present day states did the Dutch establish new Netherland?

    asked by Riley
  77. chemistry

    calculate the volume of concentrated 4M HCl that is needed to create a 1 L solution of 0.1 M HCl.

    asked by keira
  78. Physics

    A compact car, with mass 725kg, is moving at 115km/h toward the east.....find the magnitude and direction of it's momentum. Draw an arrow on your sketch showing the momentum

    asked by Desmond
  79. Algebra

    32.0=5.5x10^2(1/T)+14.2 Solve for T I am confused about what the first step would be to solving for T. Would I divide 5.5x10^2(1/T) and move it to the left side? Please help.

    asked by Maddy
  80. Physics

    A 7.1 kg watermelon is placed at one end of a 5.9 m, 244 N scaffolding supported by two cables. One supporting cable is at the opposite end of the scaffolding, and the other is 0.54 m from the watermelon. How much tension is in the cable at the end of

    asked by James
  81. Finance

    Assume personal income was $28 million last year. Personal outlays were $20 million and personal current taxes were $5 million. a. What was the amount of disposable personal income last year? Disposable personal income (DPI) = personal income – personal

    asked by Cathy
  82. Pre-Calc

    Find all solutions of the equation in the interval [0, 2pi). Show all work. sin(x+(pi/6))-sin(x-((pi/6))=1/2

    asked by Louis
  83. Algebra

    The ratio of the corresponding side lengths of two rectangular tables is 4:5. What is the ratio of the perimeters? What is the ratio of the areas?

    asked by Bobby
  84. physics

    What is the mass of 5.00L of pure water?

    asked by danny
  85. math

    Mr. Smith’s first period class had an average of 90% on the first test, and his 4th period class had an average of 82%. If there were 30 people in his first class, and 22 in his second, what is the average score of someone in his class?

    asked by katie
  86. Math

    You are buying a fence to enclose a garden that has an area of 360 square feet. x + 9 The bottom of garden x side of garden a) What is the width of the area to be enclosed? Answer in units of ft b) How much fencing do you need? Answer in units of ft

    asked by Shelby
  87. Chemistry

    Can you please help me solve r1/r2 = sqrt(M2/M1)for M1. My answer: M1=M2r2^2/r1^2 Is this correct?

    asked by Maddy
  88. Physics

    Well, I just found out that I failed my physics midterm. I got a 51. Yes I studied but I still don't get the forces and inclined planes. And my parents are going to kill me if they find out. The midterm brought down my grade to a 79!! Any advice? P.S I

    asked by Liz
  89. Math

    A variable star is one whose brightness alternately increases and decreases. For one such star, the time between periods of maximum brightness is 5.6 days, the average brightness (or magnitude) of the star is 5.5, and its brightness varies by ±0.30

    asked by TayB
  90. science

    most bacteria are A) unicellular eukaryotes B) unicellular prokaryotes C) multicellular eukaryotes D) multicellular prokaryotes

    asked by KK
  91. math

    Jessica sold 210 magazine subscriptions during a fundraiser at her school. The subscriptions either cost $23 per year or $45 for two years. Her sales totaled $6,150. How many one-year and how many two-year subscriptions did Jessica sell?

    asked by Irene Wu
  92. Calc 2

    A 3-lb bucket containing 20- lb of water is hanging at the endof a 20-ft rope that weights 4 -oz / ft. The other end of the ropeis aattached to a puley. How mauch work is required to wind thelenght of the rope onto the pulley, assuming that the rope

    asked by Laua
  93. Math

    Find the exact value: cos(pi/16)cos(3pi/16)-sin(pi/16)sin(3pi/16)

    asked by Abby
  94. 10th algebra

    x2+22x +c find the value of c that makes the trinomial a perfect square

    asked by joe
  95. Finance

    The Health Corp issued an 12%, 15 yr bond 5 yrs ago. At the time of issue the bond's par value was $1,000. Comparable bonds are yielding 10% today. What must Health Corp's bond sell for in today's market to yield 20% (YTM) to the buyer? Assume bond pays

    asked by Heather
  96. Earth Science

       What element has 81 protons in the nuclei of its atoms?  A. Thallium B. Uranium C. Platinum D. Lead A?

    asked by To Ms.Sue
  97. algebra

    Suppose your parents deposited $1,500 in an account saying 3.5% interest compounded annually (once a year) when you were born. I have to find the account balance after 18 years , please help

    asked by timberly
  98. Chemistry

    32.0=5.5x10^2(1/T)+14.2 Solve for T I am confused about what the first step would be to solving for T. Would I divide 5.5x10^2(1/T) and move it to the left side? Please help.

    asked by Maddy
  99. History

    Explain John C. Calhoun's Doctrine of Nullification. Answer: The Doctrine of Nullification states that a state had a right to reject, ignore, or nullify a law they considered unconstitutional. Calhoun supported state's rights

    asked by M
  100. physics

    If 0.060kg of ice at 0 ∘C is added to 0.320kg of water at 25∘C in a 0.150-kg aluminum calorimeter cup, what is the final temperature of the water?

    asked by unknown
  101. Physics

    An archer's bow applies a force to an arrow over a distance of 19cm, while firing it vertically upwards. If the arrow achieves a speed of 8.0m/s and the efficiency of the bow is 75%, determine the average force applied to the arrow by the bow. So far I

    asked by Pablo
  102. project management

    Given then that we each have our own risk tendencies (some people love taking risks, while others avoid it like the plague), how can we determine a risk profile for our project, since each of our organizations has its own tendency to deal with risk?

    asked by jimmy
  103. Math

    Jose said all of the multiples of 8 are also multiples of 2? Manila said that all the multiples of 8 are also of 4. Who is correct?

    asked by Damiano
  104. Math

    Sam painted a wall in his. On Monday, he painted half of the wall. He painted 2/3 of the other half on Tuesday, and finished painting the wall o Wednesday. How much of the wall did Sam paint on Wednesday?

    asked by Anonymous
  105. biology

    a category within biology that deals with the physical and chemical functions

    asked by dakota
  106. Math

    A hardware store will deliver up to 6 items for a $25 delivery charge. There is a charge of $4 for each additional item to be delivered. Write a piecewise function for the cost of having x items delivered. I understand the answer is 25 for x 6. But how do

    asked by Anonymous
  107. Math

    A=2600e^0.08^t % increase each year

    asked by Ben
  108. chemistry

    Find the percentage composition of (NH4)3PO4 What i don't understand is if the mass of the element isnt given how would i calculate?

    asked by Rose
  109. Physics

    In the annual battle of the dorms, students gather on the roofs of Jackson and Walton dorms to launch water balloons at each other with slingshots. The horizontal distance between the buildings is 36.0 m, and the heights of the Jackson and Walton buildings

    asked by Jade
  110. math

    The Downtown Theater group sold 650 tickets to its latest production. They sold only regular seats and box seats. Regular seats cost $12 each and box seats cost $18 each. Altogether, the theater collected $8,550 in ticket sales. How many regular seats and

    asked by Irene Wu
  111. mathematics

    Increase 20 in the ratio 3:2?

    asked by Felicia motaung
  112. math

    explain the error Janine tells her friend that ordered pairs have an x coordinate of 0 lie on the x axis. She uses the origin as an example. Describe Janine's error. Use a counterexample to explain why Janine statement is false.

    asked by camryn
  113. chemistry

    A weak acid (HA) is found to ionize 20.9% when mixed at a concentration of 0.22 mol/L. What is the value of Ka for this acid?

    asked by Anonymous
  114. English

    I am working on writing a paper. We have to use MLA format. I am a little confused on how to site my sources. I wrote the following paragragh: Panama Canal is an international waterway located across the Isthmus Panama. The Canal was built by the United

    asked by Ricky
  115. Science-Chemistry

    Can you please help me solve r1/r2 = sqrt(M2/M1)for M1. My answer: M1=M2r2^2/r1^2 Is this correct?

    asked by Maddy
  116. English

    I need help finding real life examples of these themes? 1. Guilt can destroy a person, body, and soul. 2. True repentance must come from within. 3. Revenge destroys both the victim and seeker 4. One must have the courage to be true to one's self. 5.It is

    asked by Amy
  117. chemistry

    Calculate the mass of CaCO3 in a 100ml solution that contains 70% of CaCO3 and the density is 1.02g/ml at room temperature

    asked by Maureen
  118. Math

    Hello! Can you check my answers for these 4 worksheet questions? Thank you in advance (: 1. The following ordered pairs give the scores on two consecutive 15-point quizzes for a class of 18 students. (7, 13), (9, 7), (14, 14), (15, 15), (10, 15), (9, 7),

    asked by Allison
  119. math

    how many pounds are in one kilogram round to nearest tenth

    asked by Anonymous
  120. physics

    A swimmer can swim 3 mph in still water. She decides to swim perpendicular to the river current which is 3 mph. If the river is 19.89 miles wide, it will take the swimmer ___ hours to cross the river.

    asked by diana
  121. math

    Adrian jogs 3/4 mile each morning. How many days will it take him to jog 3 miles?

    asked by Anonymous
  122. History

    How did nation's sections differences in economies lead to sectionalism? Answer : Each seciton has different economics because each place has different climates so they'll benefit on different things. South relies on slaves. Northeast relies on

    asked by M
  123. Physics

    A spring with an unstrained length of 0.075 m and a spring constant of 2.7 N/m hangs vertically downward from the ceiling. A uniform electric field directed vertically upward fills the region containing the spring. A sphere with a mass of 4.84 10-3 kg and

    asked by Bob
  124. math

    After Khalil gave Benjamin 3/5 of the rocks in his collection, Benjamin had 70 rocks. If Benjamin had 25 rocks in the beginning, how many rocks did Khalil have in the beginning?

    asked by Sonia
  125. Math

    A bamboo plant grew 3 feet and 6 inches in 3 days. If the plant grew the same amount each day. how many inches did plant grow each? 12 x3=36 36+6=42 42*3=126 126 inches

    asked by Freda
  126. Chemistry

    Since chlorine has similar electronegativity as nitrogen, why can't chlorine form hydrogen bonds?

    asked by John
  127. math

    The scale on a map i 1cm to 4km What does 4cm on the map represent ?

    asked by Christy
  128. math

    B . . . . . . . . . . . . . . C A Triangle ABC is right angled at A. The area of triangle is = ½bh. The area of the triangle is 3/2x^2 + 10x + 16cm^2 where x is a positive integer. The area of the triangle ABC can be written in the form 1/2 (x+a)(bx + c)

    asked by Jay
  129. science and technology engineering mathematics

    Do you have sites that can help me understand science and technology engineering mathematics?

    asked by science and technology engineering mathematics
  130. chemistry

    sodium cyanide nacn, contains how many single, double or triple bond?

    asked by saima
  131. physics

    A swimmer can swim 1.7 mph in still water. She decides to swim upsteam against the current which is 0.7 mph. It will take the swimmer ___ hours to travel 8 miles as measured by a person standing on the river bank.

    asked by diana
  132. geometry

    The diagonal of a square checkerboard is 2 inches long. Find the length of one side of the checkerboard

    asked by rena
  133. Physics

    What mass of water requires 1.89X10^8 joules of energy to heat from 15 degrees Celsius to 75 degree celsius? The specific heat of water is 4190 J/kg degree celsius

    asked by C-Los
  134. physics

    A particle is traveling in a straight line at a constant speed of 29.9 m/s. Suddenly, a constant force of 14.5 N acts on it, bringing it to a stop in a distance of 58.2 m. (a) What is the direction of the force? (b) Determine the time it takes for the

    asked by amad
  135. math

    Prove the identity (sinx+cosx)^2 = 1+sin2x Thank you

    asked by Bear
  136. History

    How did Squanto help the colonists in New England

    asked by Riley
  137. Math

    Water is poured steadily into an empty container. If the volume of water in the container after 5 seconds is 30 cm3 , find a) The rate of change of volume b) The volume of water after 12 seconds

    asked by Aaqib zaman
  138. Math

    The radius r (cm) of a circle at time t seconds is given by r = 9t - t^3 . At each of the following instants, find the rate of change of the radius (w.r.t.'t') and state whether the radius is increasing or decreasing at these instants. a) t =1 b) t =2 c) t

    asked by Aaqib zaman
  139. math

    What is the cost of tiling a rectangular plot of land 500 m long and 200 m wide at the rate of rs 8 per hundred Sq m?

    asked by Anonymous
  140. Hydrology

    I have no idea how to calculate this, I just need some direction please (like an equation)? Consider a drainage basin 187 km2. How much water is produced (m3) if 2.5 inches of rain falls on the basin? How many people could be supported on the water

    asked by Shelly
  141. Math

    In triangle ABC, the degree measure of angle A is 20 degree greater than the degree measure of angle B. Angle C is a right angle. What is the measure of angle B? Is it 70 degrees. 90-20=70

    asked by Matthew
  142. History

    Which part of North America did LaSalle claim for France in1684

    asked by Riley
  143. math

    An open box is to be made from a flat square piece of material 20 inches in length and width by cutting equal squares of length x from the corners and folding up the sides. (a) Write the volume V of the box as a function of x. Leave it as a product of

    asked by jp
  144. History

    What was American's mistaken view of the Native Americans, and how did that relate to American's acceptance of Jackson's relocation of Native American tribes to reservations west of the Mississippi River? Answer :Andrew Jackson believed they had a right to

    asked by M
  145. physics

    A net force of (2.5 N)i hat − (4.7 N)j hat acts on a 3.2 kg object. Find the acceleration a with arrow.

    asked by amad
  146. history

    Identify at least two actions of the leader yongle that benefited or protected the people. Please help me or give me a website that will help me I am in a rush I only have until 7:00

    asked by lulu
  147. physics

    a spring balance is tied to a massless inextenxible string a small object of mass 60kg is attached to the hook of the spring balance. this system is now whirled about a vertical axis so that object performs ucm with centripetal

    asked by abhijit
  148. Math

    A rectangle has sides of length x cm and 2x - 4cm and the length x cm at time t seconds is given by x = 2 + 3t, (t>=0) . Show that the area, A cm^2 , the rectangle, in terms of t is A =12t + 18t^2 . Hence find the rate of change of the area at the instant

    asked by Aaqib zaman
  149. Math

    The radius, r cm , of a spherical balloon at a time t seconds is given by r = 3 + 2 / (1+t) What is the initial radius? Find the rate of change of r (w.r.t.t) when t=3

    asked by Aaqib zaman
  150. Chemistry

    What is the formula of reactants for Dibromobis(Triphenylphosphine Oxide) Manganese(II)?

    asked by Brini
  151. Math

    What decimal represents the probability that the spinner will stop on an orange section?

    asked by Chandra
  152. anthropology

    Gender Socialization As humans, we learn our culture as well as how to be who we are by way of Enculturation (study term). In your team’s view, how will the members of your created culture learn their culture; what is the process of enculturation

    asked by jimmy
  153. Math

    What is 4+ 1000000.

    asked by Sam
  154. math

    1. How many milligrams (mg) are equal to 1000 micrograms (mcg)? 2. How many pounds (lb) are in one kilogram (kg)? 3. How many milliliters (mL) are in 1/2 of a household measuring cup? 4. Which of the following is an example of a correct conversion factor?

    asked by Anonymous
  155. Biology

    Given 3x10^6 cell/mL in 3mL. Perform dilution calculation so that you can have 1x10^5 cell/200ul. Please help me with this question. Much appreciate.

    asked by Venice
  156. chem

    The value for ΔH° for the reaction below is -72 kJ. How many kJ of heat are released when 1.0 mol of HBr is formed in this reaction? H2(g) + Br2(l) = 2HBr(g)

    asked by danny
  157. chemistry

    Core electrons shield what from the pull of the nucleus? A. Valence electrons B. Neutrons C. Protons I think the answer is a

    asked by Morgan
  158. math, algebra

    If Will gives Molly $9 dollars he will have the same amount of money as her. If Molly give Will $9, the ratio of money she has to the money will has will be 1:2. How much money does will have in the beginning? Can you give me an explanation of each step,

    asked by R
  159. government

    what exactly do we have to do U.S. Constitution, Article I, Section 7, clause 2: Every Bill which shall have passed the House of Representatives and the Senate Evidence of action in the document-

    asked by anonymous
  160. Math

    The length, l mm of an elastic string at time t seconds is given by l=t^3 / 3 - 4t +10 Find the instants (that is, the value of t ) when a) The length is increasing at a rate of 5 mm/Sec b) The length is decreasing at a rate of 4 mm/Sec

    asked by Aaqib zaman
  161. Math

    The volume, V cm3 , of a cube at time t seconds is given by V=(4 + 1/3t)^3 find the rate at which its volume is increasing at the instant when t = 2.

    asked by Aaqib zaman
  162. Math

    The area, A cm3 , of a circle increases at a constant rate of 2 cm2 ´ s -1 . If the initial area of A is 1 cm2 , show that the radius of the circle at time t is given by r=sqrt( 2t+1/ pi) sqrt on both denominator and numerator

    asked by Aaqib zaman
  163. math-algebra

    How do you find the GCF (greatest common factor) of -m^8n^4 and 3m^6n?

    asked by G.G
  164. English

    An agreement could be when you go to a furniture store like Ashley’s, and they have many sales going on, for example no interest until March 2017 but, payments have to be made in time, and furniture has to be paid before March 2017. If a person finds

    asked by antonio
  165. help math algebra

    How do you find the GCF (greatest common factor) of -m^8n^4 and 3m^6n?

    asked by G.G
  166. Question to Ms.Sue

    Why are all of my questions deleted,someone else could have helped me with them??????

    asked by To Ms.Sue
  167. Math

    Find f o g o h f(x)= sqrt(x-5), g(x)=x^2, h(x)=x^3+6

    asked by TayB
  168. math

    A circle has an area of 154cm2 what is the diameter of the circle

    asked by saleh
  169. Biology

    I'm trying to find out how regular cells are similar to cancer cells? I have read the chapter 2 times already and the only thing I can come up with is they both divide to make new cells.

    asked by Mike
  170. chemistry

    Which of the following pairs of compounds has the same molecular shapes? a) AlCl3 and BF3 b) AlCl3 and PCl3 c) BF3 and NF3 d) CO2 and SO2

    asked by saima
  171. Algebra 1

    Is the following written in scientific notation? 4.8 X 100^7 My answer is no

    asked by Steve
  172. physics

    A 4.3kg object moves across a floor with a velocity of + 8.2 m/s and slides to rest in 5.8 s. The net force producing this acceleration is:

    asked by robbi
  173. grammar

    Hello, and good afternoon. My question deals with subject verb agreements. I understand time periods and amounts are singular verbs. Here are my samples: 'Three weeks is a lot of time to do a project,' and 'One half of the children like cupcakes.' I know

    asked by Angelica
  174. math

    AB = 8 cm, AC = 6 cm, AD = 7 cm, CD = 2.82 and CAB =50°. Find the length BC, angle ABC, angle CAD , area of triangle ACD.

    asked by kudu
  175. statistics

    my question is: So if the chance is 1 in 17,259,390 of winning, what is the expected value of the win? How would I do this problem. Hope you can help. Thank you

    asked by Mary Ann
  176. History

    What were the differences between primary and secondary resources in 1684?

    asked by Riley
  177. Partly science, partly curiosity

    Does iodized salt mold?

    asked by Katt
  178. mathematics

    Decrease 32 in the ratio 3:4?

    asked by Felicia motaung
  179. Calculus

    Find ¡Ò[dx/(x-2)(x+3)(x-4)] this is really confusing and I need help with it.

    asked by Francis
  180. Math. Just checking

    Just making sure because im doing h.w over scientific notations and I know how to do them.. I'm just checking if I'm right.. in scientific notations the number has to be between 1 and 10 right?

    asked by Anonymous
  181. History

    How did Jackson's war on the Second Bank of the US end up causing economic depression? Answer : He claimed the National Bank was unconstitutional even though the Court ruled it as constitutional. He took federal funds out of the bank and ordered all

    asked by M
  182. English please help

    Is this antithesis or just parallelism? " more preschool- age children (about 80 a year) are killed by guns each year than police officers are killed by guns (about 50)"

    asked by Anonymous
  183. Genetics

    Why are emerging f2 progeny frome crosses one, two, and three should be counted and phenotyped over a period of seven days? I have... for the first say of emergence, cultures produce more females than males. On successive days, the proportion of males

    asked by Mel
  184. Math 20-1

    The length of a rectangle is 5 cm more than its width. What are the possible dimensions of the rectangle if the area must be at least 84 cm^2? (2 marks)

    asked by Alex
  185. History

    Life of Andrew jackson

    asked by M
  186. Math

    In the equation c=9h, identify which variable is the independent variable and which is the dependent variable.

    asked by Amy
  187. English

    What device is this? "... The Armatix smart gun would not trigger the law"?

    asked by Anonymous
  188. math

    A roll of ribbon contains 92 inches of ribbon. If you need strips of ribbon 4/5 inches long, how many strips could you cut from this roll?

    asked by Rene
  189. South University

    Find the equation of the line, with the given properties, in slope-intercept form. Slope=−4, through (−7,7) The equation of the line is . 

    asked by Valarie
  190. Math

    Find the equation of the line, with the given properties, in slope-intercept form. Slope=−4, through (−7,7) The equation of the line is . 

    asked by Valarie
  191. Math, trignometry,Algebra

    The curve y=sin(x)+pi/2 will experience which transformation from the function y=sin(x) 1)A shift pi/2units right 2)none of the above 3)A shift pi/2 united down 4)A shift pi/2 units up 5)A shift pi/2 units left

    asked by jazzy
  192. American Government

    The GOP broke new ground with the selection of which of the following as the chair of the republican national committee?

    asked by denise
  193. math

    For every cup of seltzer you use, how much orange juice do you use?

    asked by ciara
  194. physics

    What would be the charge on five alpha particles?(An alpha particle is helium nucleus) I started with 2 from the helium multiply by 5 and got 10. I don't know what to do next. Please help???

    asked by cassie
  195. math

    9 feet equal how many inches

    asked by Anonymous
  196. math

    limit of x approaches -3. (2x^2 + 4x + 1)

    asked by jay
  197. chemistry

    which of the following have a covalent bond? AlCl3, NH3, H3O, H2O

    asked by saima
  198. Calculus

    1) An equation of the line contains points (7/9, 7) and (-7/9) is 2) Find the slope of the line tangent to the curve y=x^2 at the point (-0.6, 0.36) and find the corresponding equation of the tangent line

    asked by Seth
  199. physics

    A projectile is fired at 33.1° above the horizontal. Any effects due to air resistance are negligible. At the highest point in its trajectory, its speed is 15.5 m/s. Calculate the horizontal component of the initial velocity.

    asked by confused
  200. pre-algebra

    3x + 4=19 x=5 -32=24-2f f=16 Please check.Thank you.

    asked by marybeth
  201. Calculus

    Evaluate lim x->0 (Sin^3 3x - 3x^3/x^3 x^4) I got zero (0) to be my answer by imputing 0 in place of x but am not so sure if the answer should be 0, am thinking it should be like 1/0 or something like that.

    asked by Francis
  202. math

    If Will gives Molly $9, he will have the same amount of money as her. If Molly gives Will $9, the ratio of the money she has to the money Will has will be 1 : 2. How much money does Will have in the beginning?

    asked by Lenny
  203. algebra

    If Will gives Molly $9, he will have the same amount of money as her. If Molly gives Will $9, the ratio of the money she has to the money Will has will be 1 : 2. How much money does Will have in the beginning?

    asked by Sonia
  204. Math

    Five sixth plus one third

    asked by Wiil
  205. Managemnet

    How to prepare an EFAS table for United Technologies.

    asked by Luis
  206. math

    -32 is < or = to 24 - 2f 5+c/9 is > or = to -31

    asked by pooh
  207. mixed number

    how to convert 65/63 into a mixed number

    asked by Tamiko
  208. pre-algebra

    3m-4=14 m=6 11=2y-15 y=13 Please check Thank you.

    asked by marybeth
  209. Math

    The product of 0.15 an an unknown factor is 1.38. What is the unknown factor?

    asked by Amy
  210. Math 20-1

    What is the solution for 2x^2-7x > always greater than -3 ? (2 marks) (Show your work)

    asked by Alex
  211. Math

    The amount of water,V cm3 , in a leaking tank at time t seconds is given by V = (15-t)^3 for 0

    asked by Aaqib zaman
  212. math


    asked by john
  213. maths

    Find the value of 5v - 7 given that -7 - 1= 6

    asked by justus
  214. math

    You are paid $40 an hour to wash windows. If you have worked for 4 4/5 hour, how much money have you earned?

    asked by Rene
  215. Math

    X-Y=5 X-Y=11

    asked by Student
  216. Math

    What is -a^-2 if a equals -5

    asked by Kim
  217. Physics

    As mentioned, after the hovering period at 100 m , the vehicle made a vertical powered descent to h = 30 m, ending with a downward (!) velocity of 2 m/s at this altitude. Assume that the engine provided a constant (!) thrust-to-weight ratio during this

    asked by Wouter
  218. Algebra

    let f(x)=-2x+4 and g(x)=-6x-7 find f(x)-g(x) Can someone walk me through this problem? I still haven't gotten the hang of it.

    asked by Jasmine
  219. MATH

    Two Trains are leaving Kansas City at noon. One is traveling northeast at 38MPH. The other is heading west at 46KPH. At what time in Los Angeles will the trains be 214 miles apart?

    asked by G
  220. childcare

    A very young child takes his socks off. The caregiver puts it back on. This process is repeated over and over. The child is engaging in __________ play.

    asked by lyn
  221. math


    asked by dessie
  222. chemistry

    Give the shapes of CH3, O3, SnCl3, BrF3, I3

    asked by saima
  223. mathematics

    'ls for a distance of to a point B on a bearing of 1a boat leaves a dock at point A and trave35 degrees. the boat then changes course and travels for a distance of 8km to a point C on a bearing 060 degrees.'.

    asked by alexia
  224. Algebra I

    Operations with Integers 6/25 [- 5/9] 6 * 5 ______ 5*5*9 Now I cancel the five on top and one of the five on the bottom. = 6/45 I don't know if I did the operation correct? Thank You for your help.

    asked by Mia
  225. math

    Franklin Furniture Company sells chairs for $110 each and tables for $322 each. Last month the company sold 65 items for a total of $12,450. How many chairs and how many tables did they sell?

    asked by Irene Wu
  226. English

    1. I wish I were good at ja dance. 2. I wish I were good at ja dances. ------------- Which on is grammatical?

    asked by rfvv
  227. History

    How did Andrew Jackson's humble origins endear him to the average American

    asked by M
  228. Earth Science

    Please check down below.

    asked by To Ms.Sue
  229. math

    5+c/9=31 9-n/5=19

    asked by caleb
  230. math

    19 > - n/5 + 9 3x + 4 < 19

    asked by pooh