Questions Asked on
July 14, 2011

  1. chemistry

    what is the percent by mass of NaHCO3, in a solution containing 20 g NaHCO3 dissolved in 600 mL H20

    asked by rocky
  2. Math

    Suppose the interest rate is 8% APR with monthly compounding. What is the present value o an annuity that pays $90 every 6 months for 5 years?

    asked by Sandra
  3. physics

    Consider a 626N weight held by two cables. The left hand cable had tension T and makes an angle of theta with the wall. The right hand cable had tension 720N and makes an angle of 27 degrees with the ceiling. What is the tesion T in the left hand cable

    asked by alexa
  4. physics

    A motorcyclist is trying to leap across a canyon by driving horizontally of the cliff that is 70.0 m high at 38.0 m/s. Ignoring air resistance, use energy conservation to find the speed with which the cycle strikes the ground at a height of 35.0m on the

    asked by Angel
  5. Chemistry 111

    calculate the number of moles of magnesium, chlorine, and oxygen atoms in 8.80 moles of magnesium perchlorate?

    asked by kee
  6. physical science

    If the earth had twice its present radius and twice its present mass, what would happen to your weight? Explain. What is the relationship between the radius (R) of orbit of a satellite and its period (T)?

    asked by Edward
  7. Chemistry 111

    How many moles of methane are produced when 8206 moles of carbon dioxide gas react with excess hydrogen gas?

    asked by angel
  8. physics

    An ideal gas is confined to a container with adjustable volume. The pressure and mole number are constant. By what factor will volume change if absolute temperature doubles

    asked by joyce
  9. Chemistry 111

    How many moles of nitrogen N are there in 71.0g of Nitrous Oxide(N2O)?

    asked by angel
  10. algebra

    mike wants to make meatloaf and the recipe calls for six pounds of meat if he uses a 3 to 1 ratio of beef to pork how much pork will he use

    asked by LO
  11. chemistry

    At 20°C, a solution contains 120 g of NaNO3 in 100 g of water. Is this solution saturated, unsaturated, or supersaturated?

    asked by rocky
  12. Chemistry

    Why is the solubility of KHTar greater in a 0.10M NaNO3 solution than in distilled water?

    asked by Becky
  13. science

    What pressure will be exerted by 10 moles of hydrogen gas in a 7.5 L cylinder at 20°C? (Given: R = 8.314 L∙kPa/K∙mol)

    asked by jane doe
  14. chemistry

    What is the number of moles of gas contained in a 3 L vessel at 300 K with a pressure of 1.50 atm? (Given: R = 0.08205 L∙atm/mol∙K)

    asked by Anonymous
  15. Chemistry 111

    How many moles of hydrogen gas would be needed to react with excess carcon dioxide to produce 88.1 moles of water vaporazation?

    asked by kisha
  16. Chemistry 111

    how many grams of water are needed to react with 80.0g CaCn2?

    asked by kisha
  17. MATH

    express the repeating decimal as a quotient of two integers 1.63

    asked by NICHOLE
  18. algebra 2

    You invest $100,000 in an account with an annual interest rate of 4.5%, compounded semiannually. How much money is in the account after 10 years? Round your answer to the nearest whole number.

    asked by Anonymous
  19. Chemistry 111

    As a sample of propane C3H3 contains 14.8 moles of carbon atoms. How many totals moles of atoms does the sample contains?

    asked by kee
  20. geometry

    find the area of the equilateral triangle if a side is 8 radical 3m. round to the nearest who number

    asked by Hope
  21. Child Psychology

    I need someone to check my answers, to make sure that I have answered them correctly. My answers are marked with xxxx next to my choice out of the four choices. 1. Edwin is doing his doctoral work in the area of gifted education. One of the major

    asked by Sharon
  22. geometry

    The diagonals of rhombus FGHJ intersect at point K. If side GH is equal to 3x - 10 and side JH is equal to 6x - 19, find x.

    asked by tom
  23. Chemistry

    I just completed a lab called "Acid-Catalyzed Dehydration of an Alcohol: Synthesis of 2-Octenes." I started with 2-octanol and the lab instructions said the product had the possibility of being 1-octene, trans-2-octene, and/or cis-2-octene. I did end up

    asked by Carole
  24. chemistry

    Assuming all volume measurements are made at the same temperature and pressure, how many liters of oxygen gas would it take to react completely with 7.25 liters of hydrogen gas? Show all of the steps taken to solve this problem. Unbalanced equation: H2 (g)

    asked by kendra
  25. Chemistry 111

    Calculate the number of moles of alumunium sulfer, oxygen atoms in 9.00 moles of Alumunium sulfate, Al2(SO4)3?

    asked by kee
  26. Physics

    A high fountain of water is located at the center of a circular pool as in Figure P1.41. Not wishing to get his feet wet, a student walks around the pool and measures its circumference to be 13.0 m. Next, the student stands at the edge of the pool and uses

    asked by Mesha
  27. sciene

    which of the following insect behaviors is similar to one of the functions of a worker honeybee? 1. a mud-dauber wasp laying an egg in a tubular nest of mud 2. a lightning bug flashing its abdomen to attract a mate 3. a forager ant gathering food to store

    asked by googii
  28. Physics

    Your whole family has taken showers before you, dropping the temperature in the water heater to 18 degrees Celsius. If the water heater holds 150 kg of water, how much energy will it take to bring it to 50 degrees Celsius? If the energy is supplied by a 5

    asked by Jennifer
  29. Chemistry 111

    how many grams of Nh3 are produced from 5028g CaCn2?

    asked by kisha
  30. chemistry

    Explain how the addition of a solute affects the vapor pressure of the solvent.

    asked by kendra
  31. science: chemistry

    Which equation is set up correctly to determine the volume of a 1.5 mole sample of oxygen gas at 22°C and 100 kPa?

    asked by jane doe
  32. Science

    Suppose in a restaurant your coffee is served about 5 or 10 minutes before you are ready for it. If you want the coffee to be as hot as possible when you drink it, should you pour in the room temperature cream right away or when you are ready to drink the

    asked by Kandi
  33. chemistry

    The boiling point of a solution will ______ and the vapor pressure will _______ with a(n)_____ in the amount of dissolved solute.

    asked by kendra
  34. Algembra

    a train leaves a station and travels north at 85 km/hr. Four hours later, a second train leaves on a parrallel track and travels north at 125km/hr. How far from the station will they meet?

    asked by Ann
  35. MATH

    EMILY WANTS A NEW DRESS. SHE ONLY HAS $30 TO SPEND. SHE LIVES IN A STATE WHERE THE SALES TAX IS 5%. ABOUT (ESTIMATE) HOW MUCH CAN THE DRESS COST IF SHE WANTS TO SPEND ALL HER MONEY?

    asked by ROSE
  36. chemistry

    if 0.5 moles of H2SO4 combine with 0.2 moles of CaSO4 then how many moles of Ca(OH)2 will be there?

    asked by richa
  37. accounting

    Williams Company's direct labor cost is 25% of its conversion cost. If the manufacturing overhead for the last period was $45,000 and the direct materials cost was $25,000, the direct labor cost wa

    asked by Anonymous
  38. calculus

    h(x)= integral from (1, 1/x) arctan(2t)dt part 1: let U= 1/x and du= ? -> using u=1/x, we can write h(x)= integral from (1, 1/x) arctan (2t)dt as h(u)= integral from (1,u) arctan(2t)dt and h'(u)= arctan (2) Part 2: By the chain Rule, for functions h(u) and

    asked by Anonymous
  39. business communications

    A job application letter is effective in convincing the reader that an applicant is knowledgeable of the company by? a.)providing relevant evidence from what the applicant has done in the past to support claims that this person can do the job.

    asked by lachelle mitchell
  40. Physics

    A 6 µC charge is placed at the origin and a second charge is placed on the x-axis at x = 0.34 m. If the resulting force on the second charge is 4.0 N in the positive x-direction, what is the value of its charge?

    asked by Cynthia
  41. algebra

    Solve the equation 3x-3=3. Show all the work.

    asked by Josey
  42. chemistry

    Doing review for an exam and I can't find how to do this problem in my notes. 2 SO2 + 2 Cl2 -----> 2 SOCl2 + O2 from a previous problem I solved: rate=k[SO2]^2[Cl2] k = 467.666666... or in sig. figs 467 Energy reaction: T= 25 C The activation energy (Ea)

    asked by energy diagram
  43. physics

    What's the speed of the Hubble telescope when it is in orbit 598 km above the earths surface?

    asked by kesha
  44. american Govt

    The governors of most states a serve two-year terms b may serve more than two consecutive terms c are succeeded by the lieutenant government d may be recalled from office by the voters

    asked by Anonymous
  45. american govt

    Preparing a State budget is an example of a governor's is it executive? I'm not sure I thought legislative and executive prepares the budget legislative powers executive powers judicial powers constituent powers

    asked by Anonymous
  46. chemistry

    How many kilojoules of heat energy does it take to change the temperature of 50 grams of water from 20 C to 24 C?

    asked by g
  47. Math

    describe the pattern you could use to complete the following grid, and then complete it. 0.22 __ __ __ 0.84

    asked by Jr
  48. Government

    1. Which of the following exerts the most influence over the policies and actions of Japan's House of Representatives? A. The Japan Socialist Party B. The Liberal Democratic Party C. The Supreme Court D. the bureaucracy I'm stuck between b and d? 2. Japan

    asked by Ant
  49. physics

    What's the speed of the Hubble telescope when it is in orbit 598 km above the earths surface?

    asked by kesha
  50. MATH

    DANIEL HAS A MONEY MARKET ACCOUNT WITH %1,200. THE BANK OFFERED HIM A SPECIAL RATE OF 5.25% PER MONTH. HOW MUCH MONEY WILL DANIEL HAVE AFTER THE FIRST MONTH?

    asked by ROSE
  51. physics

    What is the kinetic energy of a 29 kg dog that is running at a speed of 7.9 m/s (about 18 mi/h)?

    asked by chanelle
  52. chemistry

    if there were no buffers in our blood, what would happen when we drank something acidic?

    asked by ana
  53. math

    List the terms that complete a possible pattern in each of the following and state whether the pattern is arithmetic, geometric, or neither: (a) 38, 33, 28, 23, 18, … (b) 640, 320, 160, 80, … (e) 1, ___, ___, ___ 25, 36, 49

    asked by judy
  54. math-algebra 1

    Find the 6th term of the geometric sequence whose common ratio is 1/3 and whose first term is 7.

    asked by Emily
  55. Physics

    I have these two equations that I'm supposed to set equal to each other and find the answer for h which is height for this problem. But I don't think I'm solving it correctly. 0 - (h/5) = -1.1(v0) - (1/2)(-9.8)(1.1)^2 (v0)^2 = 2(-9.8)(h/5 - h) My final

    asked by Kai
  56. physical science

    During a rain storm, rain comes straight down with a velocity -15 m/s and hits the roof of a car perpendicularly. The mass of the rain per second that strikes the roof is .060 kg every second. Assuming that the rain cones to rest upon stiking the car (Vf

    asked by wendell
  57. statistics

    Assume that 90% of the general population is right-handed. Suppose that 100 students are randomly selected. what is the probability that 84% or more is right handed

    asked by Amanda
  58. physics

    Advertisements for A toy balk once stated that it would rebound to a height greater than the hethe height from which it was dropped. Is this possible?

    asked by edward
  59. business communications

    which of the following communication behaviors of interviewees is Most likely to be successful in an interview? A.)using technical jargon appropriate to the position. B.)making it clear that they are using the interview to learn about the company and what

    asked by lachelle mitchell
  60. Stats

    You take and SRS of size 25 from a population with mean 200 and standard deviation of 10. Find the mean and the standard deviation of the sampling distribution of your sample mean.

    asked by Ryan
  61. MATH

    THE SMITH FAMILY IS GOING TO BUY A HOME FOR $150,000. THEY WILL NEED A 10% DOWN PAYMENT. HOW MUCH WILL THEY NEED?

    asked by ROSE
  62. Government

    __________ services are provided by both state AND local government. A. Education and public safety B. Education and defense C. Public safety and industrial regulation D. Urbanization and education I think it's A?

    asked by Ant
  63. Math

    The winner of a popular lottery is offered one of two options: i) a lump sum of $102 500 ii) $1000 every month for 10 years If the money can be invested at 3.0% p/a, compounded monthly, which option should the winner choose? Justify your reasoning. Every

    asked by Kate
  64. math

    perform the indicated operation reduce answer to lowest terms 3/17 + 6/170=

    asked by NICHOLE
  65. science: chemistry

    Which equation is set up correctly to determine the volume of a 1.5 mole sample of oxygen gas at 22°C and 100 kPa?

    asked by jane doe
  66. chemistry

    phenol is insoluble in NNAHCO3 solution while acetic acid is soluble.give reason.

    asked by nat
  67. computer graphics

    A pie chart needs to be drawn to show the percentage of total marks obtained by students. suppose 8%of studentss got 90% and above ; 52% got 75%to805 ; and 30% got 60% to 75%and remaing otained below 60%mark. no one failed .write an algorithm to drraw the

    asked by uday
  68. chemistry

    How many moles of CO2 would be made if you have 8 moles of C3H8? C3H8 + 5O2 → 3CO2 +4 H2O

    asked by g
  69. physics

    A block accelerates at 3.3 m/s^2 down a plane inclined at an angle of 26 degrees.Find micro(k) between the block and the inclined plane. The acceleration of gravity is 9.81 m/s^2. This is my work but i am not sure if it is correct: sum of forces on x axis=

    asked by alexa
  70. Physics

    A football player runs the pattern given in the drawing by the three displacement vectors A ,B ,C and . The magnitudes of these vectors are A = 4.00 m, B = 17.0 m, and C = 19.0 m. Using the component method, find the (a) magnitude and (b)direction of the

    asked by Kelli
  71. Science

    In the United States, we are fortunate to have an abundant supply of food, and much of this is due to our agricultural technology. However, there are many concerns about our food source, including genetically modified crops, the use of more chemicals, and

    asked by Libra
  72. algebra II

    Barry Newman's savings account has a balance of $2707. After 4 years, what will the amount of interest be at 5% compounded annually?

    asked by Anonymous
  73. 5/90 lotto winning numbers

    how can i work for three winning numbers out of the 90 numbers

    asked by fuseini
  74. Physics

    Explain a situation when the normal force is not equal to the force of gravity

    asked by Capreeca
  75. geometry

    In a circle with centre P,a chord AB is parallel to a tangent & inersects the radius drawn from a point of contact at the midpoint of the radius .If AB=12,FIND THE RADIUS OF THE CIRCLE.

    asked by Mahek
  76. stats

    Use normal approximation(Z-score for p-hat) to find the probability that student scores 80% or lower on a 100 question quiz. A)If the test contains 250 questions, what is the probability that student will score 80% or lower

    asked by Ryan
  77. stats

    Fred rolls a die 200 times and rolls a "5" 28 times. How unusual is freds experiment? Do you believe his die is fair?... extended ... what if fred had rolled the die 200 times and came up with a "5" only 20 times?

    asked by GLEN
  78. science

    Two masses traveling in the same direction (m1=10kg u1=9ms^-1) (m2=8kg u2=4ms^-1). They both collide and move off together. What is their resultant velocity after collision. The loss of kinetic energy.

    asked by Sam
  79. MATH

    LINDA INHERITED AN ESTATE WORTH $225,000. THE ATTORNEY TOLD HER THAT THE INHERITANCE TAX WAS 7% AND THAT THEY WOULD DEDUCT IT FROM THE ESTATE BEFORE GIVING HER THE MONEY. HOW MUCH MONEY WILL LINDA RECEIVE?

    asked by ROSE
  80. Statistics - Probability

    The probability of receiving a "false positive" from a mammogram is 7%. What is the probability that out of 10 mammograms, a patient receives at least 1 false positive?

    asked by Ana
  81. geometry

    ABCD is a parallelogram. If AB is equal to 2x + 1 and CD is equal to x + 13, find x

    asked by lana
  82. statistics

    In our initial survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation 3.03. Using this information, what would be the first and third quartile be for the class? ( P(Z

    asked by david
  83. calculus

    h(x)= integral from (1, 1/x) arctan(2t)dt part 1: let U= 1/x and du= ? -> using u=1/x, we can write h(x)= integral from (1, 1/x) arctan (2t)dt as h(u)= integral from (1,u) arctan(2t)dt and h'(u)= arctan (2) Part 2: By the chain Rule, for functions h(u) and

    asked by Anonymous
  84. English

    How does the medium in which you are communicating your message influence your writing and editing styles? I think it means medium of writing is what type of writing the person is doing. But I am not sure help please :-) I am a little confused.

    asked by Ellie
  85. literature

    during the renaissance, dramatists began writing about? A. science B. religion C. history D. everyday people. i think its c. history

    asked by aracely
  86. Inorganic Chemistry

    I messed up on my titration: filled part of the burette with a supersaturated solution of KHTar(2.073g...MM=188.18amu) dissolved in 150mL diH2O, instead of the 0.051M NaOH solution. I know it wasn't more than a few mL, but I noticed a huge difference in

    asked by Christina (PLZ HELP!!)
  87. geometry

    an isosceles triangle has a perimeter of in. the congruent sides measure (2x+9)cm. The length of the third side is 3 x cm. what is the value of x?

    asked by lisa
  88. Chemistry

    When NaCl dissolves in water it breaks up in sodium ions (Na+)and chloride ions(cl).500 ml of a 1M solution of NaCl contains how many (NA+) ions

    asked by Colby
  89. chemistry

    If I have 30 glucose molecules, how many CO2 molecules will that produce?

    asked by mike
  90. Chemistry

    You want to determine the molar heat of solution of sodium chloride using a 10.0 g sample of NaCl(aq) and 50.0 mL of water in a coffee cup calorimeter. Which of the following equations would you use? Assume the specific heat of the solution is the same as

    asked by Neha
  91. Math-Please help :(

    (a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not

    asked by Jen
  92. Statistics

    In a survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation of 3.03. Given that Normally distributed populations have a first quartile of Z=-0.67 and a third quartile of Z=.67, what does this suggest about whether or

    asked by david
  93. physics

    On take off, the combined action of the engines and wings of an airplane exerts a(n) 7767 N force on the plane,directed upward at an angle of 59.1 degrees above the horizontal. The plane rises with constant velocity in the vertical direction while

    asked by alexa
  94. Algebra

    Translate the following statement into English (~r v q)-> ~p The v in the center is for "disjunction" and "or" and that is an arrow meaning "if-then" after the parentheses. p=Jamie is on the train q=Sylvia is at the park r=Nigel is in the car

    asked by Ashley
  95. math

    There are nine cubes how can i arrange the numbers 1-9 in the boxes.Their sums vertically,horizontally,and diagonally must be 15. Note:each digit should be used only once. please do help me

    asked by piamonte
  96. MATH

    EVALUATE 5x - 2y + 4z WHEN x=3, y=2, AND z=4 ??

    asked by ROSE
  97. science(Chemistry)

    Calculate the concentration of the NaOH solution. If 30,0cm3 of a standard oxalic acid[(COOH)2] solution of concentration 0,5 mol.dm-3,is used to neutralize 25,0 cm3 of a sodium hydroxide (NaOH) solution. The balanced chemical equation for the reation is

    asked by Ntombikayise
  98. physics

    A net force gives a 10th kg object an acceleration of 2.0m/s . If the same force were applied to a 20 kg object what would its acceleration be?

    asked by rosie
  99. chemistry

    why does the melted wax turns solid when dropped on water ?

    asked by ivy
  100. geometry

    Triangles ABF and EDG are congruent. Triangles ABF and GCF are equilateral. AG = 24 and CG =1/5 AB. FInd the total distance from A to B to C to D to E

    asked by lisa
  101. physics

    An elavater m=800kg has a maximum load of 8 people of 600kg. The elevatorgoes up to 10 stories = 30m at a costant speed of 4m/s. what is the average power output of the elevater motor if the elevater is fully loaded with its maximum weight? (neglect

    asked by Noemi
  102. chemistry

    How could I determine if one rock is denser than another rock?

    asked by tina
  103. algebra 2

    The pH of a solution is given by the formula pH = -log H+ , where H+ is the concentration of hydrogen ions in moles per liter in the solution. Use this formula to solve the problem. Round answer to one decimal place if necessary. Find the pH of a sample of

    asked by jay
  104. Geometry

    Triangles ABF and EDG are congruent. Triangles ABF and GCF are equilateral. AG = 24 and CG =1/5 AB. FInd the total distance from A to B to C to D to E

    asked by lisa
  105. chemistry

    What are the products ? CH3-CH2-CH2-CH3 + Br2→

    asked by g
  106. statistics

    In our initial survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation 3.03. Using this information, what would be the first and third quartile be for the class? ( P(Z

    asked by david
  107. Math

    (a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not

    asked by Jen
  108. algebra

    Solve x: 2 over 5x+2=10

    asked by Kelvin
  109. chemistry

    if someone has a blood sugar number of 200 after 12 hours of fasting, what would you tell the patient?

    asked by mike
  110. chemistry

    What is the product when ethanol is oxidized?

    asked by g
  111. math

    there are six cubes ho can i arrange the numbers 1-9 in the boxes.their sums vertically,horizontally,and diagonally must be 15. Note:each digit should be used only once. please do help me

    asked by piamonte
  112. math

    There are nine cubes how can i arrange the numbers 1-9 in the boxes.Their sums vertically,horizontally,and diagonally must be 15. Note:each digit should be used only once. please do help me

    asked by piamonte
  113. geometry

    JOhn and Jason are standing 12 feet apart. Julie is standing 31 degrees NW of Jason. John is standing 49 degrees SW of Julie. can you uniquely determine how they stand with respect to each other? on what basis?

    asked by lisa
  114. math

    x^+8x+20 as a perfect square plus a constant then sketch the graph

    asked by Anonymous
  115. Corporate finance

    A 1,000 face value bond has a remaining maturity of 8 years and a required return of 7%. The bond's coupon rate is 8%. What is the fair value of bond?

    asked by lynn
  116. Chemistry

    37 grams of Ca(OH)2 in 500 ml of solution is

    asked by Colby
  117. Maths

    The length and breadth of a rectangle are in the ration 8:5. The length is 10.5 centimeters more than the breadth. What are the length and breads of the rectangle? Kindly give steps also.

    asked by Sunil
  118. PHYSICAL SCIECE

    A seismic wave has a velocity of 5000 m/s and a frequency of 4Hz. wht is the wavelength of this wave? if this was a light wave traveling in a vacuum with the same wavelength, what would be its period?

    asked by CARLOS
  119. stats

    Can someone please help me, I have been working on this for 2 hours now and I keep getting a negative answer. You are given the following data. Number of Absences Final Grade 0 99 1 94 2 79 3 73 4 68 5 53 - Find the correlation coefficient for the data. -

    asked by Celest
  120. chemistry

    What is/are the amino acid products when we have an mRNA that is AUGAAAUUU?

    asked by g
  121. howard community college

    Vitamin A, Vitamin B6, Vitamin C and Vitamin E. Which of these are largely water soluble and which are largely fat soluble? Explain your reasoning in each case.

    asked by nana a
  122. statistics

    In our initial survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation 3.03. Using this information, what would be the first and third quartile be for the class? ( P(Z

    asked by david
  123. Pre Calculus

    use the sum of difference formula what is sin(pi/2-5pi/3)?

    asked by Josh
  124. chemistry

    If I add more and more HCl to a solution, what will happen to the pOH?

    asked by g
  125. Math

    If sales volume exceeds the break-even point, the firm sill experience a)an operating loss,b)an operating profit c)an increase in plant and equipment d)an increase in stock price

    asked by Lea
  126. Math

    (a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not

    asked by Jen
  127. english

    10 examples of back formation

    asked by jm
  128. physics science

    The photoelectric effect occurs only when the incident light has more than a entain minimum

    asked by Tammie Mitchell
  129. algebra 2

    Find the inverse of the function. f(x) = e^-x + 5 f(x) = 10^x + 2

    asked by sky
  130. exp of math

    add and simplify 96/125 + 83/125 + 2/15 =

    asked by aj
  131. Algebra

    What is the equation for this situation. the cost c, in dollars of a car rentalis equal to 9 dollars plus 1/4 the miles driven, m

    asked by Poochie
  132. geometry

    a jeweler creates triangular medallians by bending pieces of silver wire. each medallion is an equilateral triangle. each side of a triangle is 4 cm long. how many medallians can be made from a piece of wire that is cm long?

    asked by lisa
  133. geometry

    one of the acute angles in a right riangle has a measure of degrees. what is the other acute angle?

    asked by lisa
  134. computers

    Computer business systems have been around for 40 years. Desktop computers have been around for 20 years. Why do business systems, in general, still need more development?

    asked by Anonymous
  135. pronouns

    rewrite the first sentence of ch.2, section 5 of the text in your own words. identify commonly used pronouns. explain why using pronouns may help make your writing more effective.

    asked by shakeila
  136. Algebra 2 logarithms

    Use the properties of logarithms to evaluate the expression. 1. 5^log(7x) 2. 10^x + 2 log(x)=x+2 or log(x)=x-2 ????

    asked by jay
  137. answer

    Sharon's share for lunch is $8. If she pays with a $20 bill, how much change should she get?

    asked by Anonymous
  138. Geometry...not getting this

    JOhn and Jason are standing 12 feet apart. Julie is standing 31 degrees NW of Jason. John is standing 49 degrees SW of Julie. can you uniquely determine how they stand with respect to each other? on what basis?

    asked by lisa
  139. statistics

    In our initial survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation 3.03. Using this information, what would be the first and third quartile be for the class? ( P(Z

    asked by david
  140. govt

    Which act is an example of governor's use of legislative powers? a firing a parks commissioner b rejecting part of a recycling bill c pardoning a former senator d assessing flood-control efforts

    asked by aj
  141. space

    What is the role of chemistry in outer space exploration?

    asked by bev
  142. math

    what is a proof of the pythagoarean theorem?

    asked by Chris
  143. Calculus

    The owner of a farm wants to form four rectangular corrals. He has 750 meters of iron gate to enclose and to separate the four corrals. To save materials, he he decides to enclose a large area and to divide into four rectangles. Divide them will use part

    asked by Mabel
  144. Math

    Construct a truth table for the statement. (p ↔ q) → p

    asked by Jen
  145. Chemistry 111

    what is the molar mass of Butane,C7H10?

    asked by angel
  146. Physics

    A stone is launched upaward into the air. In addition to the force of gravity, the stone is subject to frictional forces fue to air resistance. Is the time to reach the top of its flight equal to, smaller or larger than the time to come back to its

    asked by Capreeca
  147. Government

    According to communist theory, the value of a commodity is determined by the: A. Gosplan B. Five Year Plan C. laws of supply and demand D. amount of labor put into it I think it's D?

    asked by Ant
  148. biology

    How is bacterial cell different from an onion peel cell ?

    asked by flash
  149. Algebra

    Construct a truth table for ~q v ~p. I am really lost here.

    asked by Ashley
  150. math

    multiply in the indicated base the base is 9 503 x 67 ¬¬¬¬¬¬¬¬¬¬¬¬

    asked by Anonymous
  151. MATH

    EVALUATE 6a + 4b - 3c WHEN a=4, b=7, AND c= -2

    asked by ROSE
  152. Chemistry

    1 NHzSO4 is what molarity

    asked by Colby
  153. chemistry

    How many TOTAL carbons does 3 ethyl 5, 6 di methyl decane have?

    asked by g
  154. Am. History

    the English were responsible for all of the following colonies EXCEPT: Rhode Island Maryland Massachusetts New Netherland i think that it is New Netherland just looking for confirmation

    asked by Stacy
  155. chemistry

    Why do you think an input of energy is required into a glucose molecule before we can break it down for energy?

    asked by g
  156. Government

    In an earlier part of United States history, Congress...? a. helped further the discrimination of minorities by inaction. b. consistently acted for the benefit of minority groups. c. pursued legislation aiding African Americans, but not women. d. pursued

    asked by Anthony
  157. Chemistry 111

    What is the mass of 7080 moles of magnesium chloride (MgCl2)?

    asked by angel
  158. chemistry

    If I have 10 grams of NaOH in 4 Liters of water, what is the molarity

    asked by ana
  159. algebra II

    What will be the amount in an account with initial principal $6000 if interest is compounded continuously at an annual rate of 3.25% for 9 years?

    asked by Anonymous
  160. phy

    silver ball= 50g water= 350 g water= 0 celcius equilibrium temperature= 10 celcius specefic heat capacity of platinum= 230 what is the temperature of furnace?

    asked by pop
  161. trig

    How do i solve Cos (4x)(2+tan^2X0 = 8?

    asked by Anonymous
  162. Trig math

    How do I solve for x? cos(4x)(2+tan^2x)=8

    asked by Shiv
  163. Algebra

    Construct a truth table for (p ^ ~q) q ^ is meant to be a conjunction symbol

    asked by Ashley
  164. college physcial science

    a car whose inintal speed is 30m/s undergoes a constant acceleration of 5m/s2. In the first 6s after the accleration starts the car travels

    asked by Tammie Mitchell
  165. MATH

    EVALUATE 3x + 2y - 2z WHEN x=5, y=2, AND z=1 ???

    asked by ROSE
  166. Math

    How much would you have to invest at 6.3% interest for it to have grown to $67.06 in five years

    asked by Kate
  167. math

    Can someone PLEASE tell me what "enitmelgens" is unscrambled.

    asked by Roxy
  168. math

    A man is 67 7/18 taller than his son his son is 65 ¾ tall how much taller is the man?

    asked by aj
  169. english

    examples of folk narratives with sources

    asked by ivy
  170. american govt

    Except in Nebraska, each State legislature today is is it bicameral? unicameral bicameral nonpartisan relatively powerless

    asked by Anonymous
  171. chemistry

    If I isolated a strand of nucleotides, how could I determine if they were DNA or RNA?

    asked by ana
  172. chemistry

    What is/are the amino acid products when we have an mRNA that is AUGAAAUUU?

    asked by g
  173. Confidentiality of Health Information

    IN REGARD TO ELECTRONIC MEDICAL RECORDS (EMRS) WHAT IS THE POLICY FOR DISCLOSING AUTHORIZED DATA REQUESTED BY THIRD PARTIES?

    asked by Elaine
  174. Government

    a. are always constitutional b. are always unconstitutional c. may be upheld by the supreme court if they meet certain criteria d. may be passed by congress but not by states. I'm stuck between b and c?

    asked by Anthony
  175. govt

    In 21 states voters may propose and pass laws without the legislature a.by direct initiative b by indirect initiative c by optional referendum d by mandatory referendum

    asked by aj
  176. find the derivative

    3 In (√x + 7)

    asked by Steff
  177. phscial science

    the proportion of the world's electricity that comes from nuclear engergy is about

    asked by Tammie Mitchell
  178. MATH

    SIMPLIFY 3/25 ÷ 1/5 . 9/5 =

    asked by NICHOLE
  179. English

    I'm going to write a list of simple sentences to be used with my six-year-old child in an attempt to make him learn English. Can you help me, please? 1)Go and get your beach towel? 2) How do you call plastic bowls you can use on the beach? Is the white

    asked by Henry2