Newest questions and responses by joe
  1. Algebra

    Write (8a^-3)^-2/3 in simplest form

    asked on February 1, 2019
  2. Math

    for each pair of shapes decide wheather they are congruent similar or neither.

    asked on February 1, 2019
  3. Math

    The annual inflation rate is 3.1% per year. If a movie ticket costs $10.50 today, find a formula for f the price of a movie ticket t years from today, assuming that movie tickets keep up with inflation.

    asked on January 28, 2019
  4. geography

    Conflict between North Korea and South Korea was caused by a difference in _____.

    asked on January 24, 2019
  5. algebra

    There are four test in the semester and each test has equal value. The first three tests had scores of 70, 85, and 75. What score do I need on the final test to get and A for the course?

    asked on January 23, 2019
  6. History

    What did the founders of the United States consider when creating the national government?

    asked on January 16, 2019
  7. Math

    Log6 1296 3 4 -4 6

    asked on January 12, 2019
  8. Algebra

    What is the property of real numbers? I think it is D. -4(x+4)=-4x-16 Associative Property of Addition Commutative Property of Addition Associative Property of Multiplication Distribution Property

    asked on January 10, 2019
  9. calculus

    When a certain polyatomic has undergoes adiabatic expansion, it’s pressure p and volume V satisfy the equation pV^1.3 = k, where k is a constant. Find the relationship between the rates of change in pressure and volume over time. Show and explain each

    asked on January 9, 2019
  10. Math

    How to solve 1n 2 + 1n x = 5.

    asked on January 6, 2019
  11. Math

    How do you write this equation in logarithmic form? 125^(4/3)=625

    asked on January 5, 2019
  12. Math

    ln(5x + 7) = 8 Not looking for an answer, I’m just stuck. Could someone give me the steps to solve this?

    asked on December 31, 2018
  13. Math

    3 log 2x=4

    asked on December 30, 2018
  14. Java

    If x is an int and the original value of x is 5, what statement would assign an even value to x?

    asked on December 24, 2018
  15. Math

    A force of magnitude 15 N is the resultant of two forces, one of which has a magnitude of 8 N and acts at an angle of 30° to the resultant. Find the magnitude and direction of the other force.

    asked on December 6, 2018
  16. Math

    How is an exponential function different from a polynomial function? Examples?

    asked on December 5, 2018
  17. Humanities

    What are contemporary works to the classical work of the Odyssey

    asked on November 30, 2018
  18. Math

    Estimate each product

    asked on November 29, 2018
  19. math

    explain why the slope of a horizontal line is always zero

    asked on November 26, 2018
  20. Calculus

    A Norman window has the shape of a rectangle surmounted by a semicircle. Find the dimensions of a Norman window of perimeter 39 ft that will admit the greatest possible amount of light. (Round your answers to two decimal places.)

    asked on October 28, 2018
  21. english

    Gr. 9 English I am great at writing nonfiction, but my mind goes blank when trying to come up with a story. These are my instructions: Create your own fable on one of the following topics. Make sure that your fable includes all the parts of the short

    asked on September 28, 2018
  22. physics

    A playground merry go round has a mass of 125kg and radius of 1.6m is rotating with a frequency of 0.42 rev/s. What is the magnitude of its angular velocity in radians per second after a 25kg child gets onto in be grabbing by its edge? The child is

    asked on September 21, 2018
  23. Math proportional reasoning

    Chef Potato needs to be converted from a two-dimensional shape to a three-dimensional object and then enlarged to 300% of his original size for an advertising campaign. The three￾dimensional Chef Potato is similar in shape to a capsule made of a

    asked on September 11, 2018
  24. Riddle

    I am trapped in a room no doors or windows. The only 2 items in the room are a mirror and table. How do I escape ??

    asked on July 14, 2018
  25. Riddle

    Help. Solve You are in a room with no windows, doors or any exit. Your only 2 items in the room are a mirror and table. How do you escape ??

    asked on July 14, 2018
  26. Vector

    Determine the value of a+b if |3a| = 24 cm, |2b| = 10 cm and |3a-2b| = 20

    asked on May 31, 2018
  27. Math

    The fifth term of an exponential sequence is greater than the fourth term by 27/2 and the fourth term is greater than the third term by 9. Find the first term and the common ratio

    asked on May 21, 2018
  28. physics

    The objects listed below are placed at the top of a ramp, and roll down to the bottom without slipping. Assuming that there is no air resistance, rank them in order from fastest average rolling speed to slowest. Penny, large marble, basketball, and hula

    asked on March 28, 2018
  29. Physics

    I cannot find the answer anywhere on the reading or notes. Which of the following is a primary function of an adaptor that you plug into an ordinary electrical socket? It converts AC input to DC output. It converts AC input to AC output of a different

    asked on March 15, 2018
  30. algebra

    Find an equation for a line that has a slope of -13 and contains (-7, 2) Answer choices 1. y = -13x - 89 2. y = 13x + 93 3. y = -13x + 19 4. y = 13x - 33

    asked on March 10, 2018
  31. Math

    What is the probability if two dice are thrown of rolling a 5 with one and a 6 with the other?

    asked on February 13, 2018
  32. math

    Ms Johnson gives one eighth of a pizza to each of her 24 students. Write a multiplication expression and a pictorial representation

    asked on February 11, 2018
  33. math

    Micah has a new remotely controlled car that has a circular range with a radius of 30 feet. What is the area of the circular range?

    asked on January 10, 2018
  34. Algebra

    A chemist made 50 ounces of an acidic solution by mixing two different concentrations of the solution. He mixed x ounces of acidic solution with an 80% concentration and an acidic solution with 90% concentration. Which equation can be used to determine the

    asked on January 7, 2018
  35. Math [Algebra]

    Josh simplified 4x - 8x ÷ 2 and said the answer was -2x. What was Josh's error? What should his answer should've been?

    asked on December 10, 2017
  36. Chemistry

    What is the second electron affinity of Se? I believe the first is... Se- -> Se + e- The second.... Se -> Se+ + e-

    asked on December 8, 2017
  37. Alg 1

    The mean score on Mr. Pascal’s first semester exam for his 28 students is 73 points. If he removes the lowest score of 19 points, what is the adjusted class average ? (arithmetic mean)

    asked on December 4, 2017
  38. math

    The population of Circletown has been growing at an annual rate of 5% for the last 5 years. The population is now 3104 people. What was the population of Circletown 5 years ago?

    asked on December 4, 2017
  39. Algebra I

    The vertical drop of a roller coaster is the largest difference in height between any high point and the next low point. The vertical drops of five roller coasters at Mandelbrot Amusement Park are shown in the table. The Parabola - 165 feet The G Force -

    asked on December 4, 2017
  40. Algebra I

    The vertical drop of a roller coaster is the largest difference in height between any high point and the next low point. The vertical drops of five roller coasters at Mandelbrot Amusement Park are shown in the table. The Parabola - 165 feet The G Force -

    asked on December 4, 2017
  41. Math

    If Teresa's daughter is my daughter's mother then what am I to Teresa. A grandmother B.great grandmother C. Mother D.daughter E. I'm Teresa

    asked on November 30, 2017
  42. Science

    Using the ideal gas equation, determine the number of moles present in a gas if it has a pressure of 2.35 atm, a volume of 1.49 L and a temperature of 40.2 oC. Enter your answer in standard notation.

    asked on November 28, 2017
  43. Algebra

    While going for my daily run, I passed a squirrel carrying a nut in her mouth. When she saw me, she ran towards a safe place and, coming to a stone wall, easily jumped up on it and disappeared. I began to wonder how high I could jump if I were a squirrel.

    asked on November 27, 2017
  44. math

    The weights of ice cream cartons produced by a manufacturer are normally distributed with a mean weight of 10 ounces and a standard deviation of 0.5 ounce.(a) What is the probability that a randomly selected carton has a weight greater than 10.21

    asked on November 20, 2017
  45. French

    Is “bonjour mon baguettes” culturally insensitive

    asked on November 20, 2017
  46. Chemistry

    The heat evolved in the reaction of hydrobromic acid with potassium hydroxide was determined using a coffee coup calorimeter. The equation for the reaction is: HBr(aq) + KOH(aq) -------------> KBr(aq) + H2O(l) When 25.0 mL of 1.00 M HBr at a temperature of

    asked on November 16, 2017
  47. Pre algebra

    Expression in simplest form that represents the perimeter of a polygon that is 8cm 9x 8cm 9x

    asked on November 14, 2017
  48. Social studies

    What are major differences between ancient Aksum and modern day Ethiopia???? Need help fast!!!!!!

    asked on November 14, 2017
  49. Precalc

    Find a possible formula for the trigonometric function whose values are in the following table (note the values in the table may be slightly rounded): x 0.00 0.17 0.33 0.50 0.67 0.83 1.00 1.17 1.33 1.50 1.67 1.83 2.00 g(x) 4.00 5.50 6.60 7.00 6.60 5.50

    asked on November 9, 2017
  50. Precalc

    point) The pressure P (in pounds per square foot), in a pipe varies over time. Four times an hour, the pressure oscillates from a low of 40 to a high of 300 and then back to a low of 40. The pressure at time t = 0 is 40. Let the function P = f(t) denote

    asked on November 9, 2017
  51. Science, Please help, due very soon!!!

    Describe how you would prepare the following two solutions. Be sure to include the type of glassware which you would use and as much detail as necessary for someone to actually prepare the solution using good laboratory technique. • 250 mLs of a 5% NaCl

    asked on November 7, 2017
  52. Chemistry

    This is due very soon, please help!!! Describe how you would prepare the following two solutions. Be sure to include the type of glassware which you would use and as much detail as necessary for someone to actually prepare the solution using good

    asked on November 7, 2017
  53. Chemistry

    Describe how you would prepare the following two solutions. Be sure to include the type of glassware which you would use and as much detail as necessary for someone to actually prepare the solution using good laboratory technique. • 250 mLs of a 5% NaCl

    asked on November 7, 2017
  54. Math

    A sales representative for Data Electronics earns a salary of 1314 dollars per month plus a commission based on the total value of her sales. If she earned 1484.40 dollars for the month and her sales totaled 5680 dollars, what is her rate of commission?

    asked on November 4, 2017
  55. Chemistry

    I dont understand this. please explain the relationship between wavelength, frequency and energy of light waves and the difference between the types of electromagnetic radiation.

    asked on November 3, 2017
  56. Chemistry

    An electron in a hydrogen atom absorbs 15.5 x 10-20 J of energy. If the electron originated at energy level 3, to what level was it excited?

    asked on October 31, 2017
  57. science

    What is the energy of light (in J) emitted by a hydrogen atom when an electron relaxes from the 7 energy level to the 5 energy level?

    asked on October 28, 2017
  58. Chemistry

    What is the energy of light (in J) emitted by a hydrogen atom when an electron relaxes from the 7 energy level to the 5 energy level?

    asked on October 28, 2017
  59. Chemistry

    According to the idea of wave particle duality, which of the following items has a wavelength? Choose all that apply. An electron moving at 2.80 m/s. A planet moving at 180,000 km/hr. A gas molecule moving at 515 m/s A person running at 10 mi/hr. i think

    asked on October 28, 2017
  60. Chemistry

    Why wasn't information about the mass of isotopes sufficient for identifying the isotopes? Provide an example to explain the answer. Figure 2 shows 2.5 min averaged spectra of ambient aerosol at nominal m/z 208 obtained with the HR-AMS located at T0. Panel

    asked on October 27, 2017
  61. Business

    What type of business can be designated as profit or non-profit? a)Corporation b)Company c)Sole proprietorship d)LLC

    asked on October 23, 2017
  62. Algebra

    This is a two part question, make sure you answer both parts: In the following subtraction problem the letters A, B and C stand for three different digits ( There are not any other operations involved in this problem). What digits should replace each

    asked on October 22, 2017
  63. Pre Calc

    1)A particular pain relieving medicine has a decay rate of 10 % per hour. A patient was given a dose of the medicine 7 hours ago and there is currently 68 milligrams of the medicine in the patients bloodstream. 2)How long will the patient need to wait for

    asked on October 19, 2017
  64. Maths

    The heights of four of the starting players on the basketball team are 183 cm, 178 cm, 174 cm, and 185 cm. If the mean height of all five starting player is 182 cm, what is the height of the fifth starting player? Plz explain

    asked on October 16, 2017
  65. Math

    You have five identical pieces of equipment. There is a 1 in 10 chance that each piece will fail in a year. What is the likelihood that ALL pieces fail in the same year?

    asked on October 16, 2017
  66. Algebra

    Trina has 36 marbles in three different colors. There are twice as many red ones as blue ones. There is one more green marble than there are red marbles. How many red marbles are there? How many green marbles are there?

    asked on October 11, 2017
  67. Math

    1) The numbers 2 and 3 are prime numbers. They are also consecutive numbers. Are there other pairs of primes that are consecutive numbers? Why or why not? 2) which group of numbers, evens or odds, includes more prime numbers? Why?

    asked on October 4, 2017
  68. Math

    a) Find all of the numbers between 1 and 1,000 that have 2 as their only prime factor. b) What is the next number after 1,000 that had 2 as its only prime fractor?

    asked on October 4, 2017
  69. phisical science

    On a winter day the temperature drops from –15°C to –25°C overnight. If a pan sitting outside contains 0.20 kg of ice, how much heat is removed from the ice for this temperature change?

    asked on September 29, 2017
  70. anthropology

    I have to write a paper about the role anthropologists play in migration with 3 examples. They just study migration, right? so would I just pick 3 examples of different people that have migrated?

    asked on September 26, 2017
  71. Algerbra

    Six friends split the cost of a party. each person also spends $65 for a hotel room. each person $160 on the party and a room. What is the cost of the phone?

    asked on September 25, 2017
  72. Precalculus

    What is the radian measure of arctan 1/2 + arctan 1/3?

    asked on September 24, 2017
  73. Physics

    Matt is attempting to sail a sailboat northeast across the river with a velocity of 13 m/s relative to the current of water. The water current is flowing from south to north at a velocity of 6 m/s. If the angle between the velocity of the sailboat and the

    asked on September 19, 2017
  74. Algebra

    y varies jointly as X and Z. y=64 when x=4 and z=8. Find y when x=8 and z=6

    asked on August 1, 2017
  75. Math

    9a to the 4th power squared

    asked on July 26, 2017
  76. Help me again in stats

    Find the corresponding z-score to the given value and determine whether the value is unusual. A weight of 225 pounds among a population having a mean weight of 161 pounds and a standard deviation of 23.0 pounds.

    asked on July 6, 2017
  77. Stats in need of help

    Assume that you entered a drawing to win one of 35 movie tickets. If only 650 people enter the drawing, determine the probability of winning (round your answer to three decimal places)

    asked on July 6, 2017
  78. English

    My mother feels (bad, badly) about what happened. I think that it is bad.

    asked on July 3, 2017
  79. math

    Macy's Department Stores markup men's cologne 63% on cost for an 8-ounce bottle. A bottle of cologne costs Macy's $23.00. What is the selling price for the 8-ounce bottle? $31.51

    asked on June 30, 2017
  80. Data

    Of 20 people invited to a pool party, 4 prefer vanilla ice cream, 7 prefer chocolate, and 3 prefer strawberry. The host surveys six of these people at random to determine how much ice cream to buy. a) What is the probability that at least 3 of the people

    asked on June 24, 2017
  81. Math

    Suppose that the weather forecast calls for a 30% chance of rain on each of the three days of a long weekend. What are the odds in favour of no rain throughout the entire long weekend? Claudia and Ally are the two favourites to win an upcoming golf

    asked on June 19, 2017
  82. Math

    Calculate the probability that 200 rolls of two dice rolls will include a) more than 30 sums of 5 b) between 30 and 40, inclusive, sums of 5

    asked on June 12, 2017
  83. Math

    A designer enlarged both the length and the width of a rectangular carpet by 50 percent. The new carpet was too large so the designer was asked to reduce its length and its width by 20 percent. By what percent was the area of the final carpet design

    asked on May 29, 2017
  84. Math

    The list below gives the number of patrons per day over a 30-day period during July at a theatre. 127 126 125 132 128 122 156 172 183 171 160 140 154 160 122 187 185 158 112 145 168 187 117 120 171 171 156 163 168 162 a) Find the mean and standard

    asked on May 24, 2017
  85. Math

    How do I convert improper fractions into decimals?

    asked on May 3, 2017
  86. Maths

    Given that the line y=mx+c is a tangent to the circle (x-a)^2+(y-b)^2 = r^2 show that: (1-m^2)r^2=(c-b+ma)^2

    asked on May 2, 2017
  87. Maths

    show that the circles x^2 + y^2 - 10x - 8y + 18 = 0 and x^2 + y^2 - 8y - 4y + 14x = 0 do not intersect

    asked on May 2, 2017
  88. Spanish 1 b

    please check my answers 2. How do you say one must in Spanish A. Hay que * B. A menudo C. Que más D. Es necesario 5. A person of mixed European and indigenous heritage is commonly to as a____ A. Mixtec B. Mestizo* C. Maya D. Nahuatl 6. Which is not a

    asked on April 18, 2017
  89. math

    a bus driver filled up 7/8 of her fuel tank for a trip. she used 6/7 of the fuel by the end of the trip. the capacity of her tank is 70 gallons. how much fuel did she sue for the trip. express answer a decimal

    asked on April 17, 2017
  90. Maths

    Please help Trigonometric identities proof (cot^2(x)(sec(x)-1))/1+sin(x)=(sec^2(1-sin(x))/1+sec(x) Many Thanks

    asked on April 12, 2017
  91. Maths

    Please solve this trigonometric identity proof problem. I have completed 20; this is the hardest one. Many thanks (sin^3(x)-cos^3(x))/sin(x)-cos(x)=1+sin(x)cos(x)

    asked on April 12, 2017
  92. math

    what is 8,903.045 in 100s place

    asked on March 29, 2017
  93. Maths

    A monument is to be constructed in the form of a pyramid with base ABC in which AB = AC = 15M and BC = 20m. The vertex,v is 12m vertically above A Calculate the area of triangle VAB Calculate the area of triangle VBC Special bricks for the outer faces are

    asked on March 21, 2017
  94. Maths

    An item of jewellery consists of two identical pyramids, PABCD and QABCD, joined at their common rectangular base. AB = 8mm, BC = 12mm and PQ = 30mm. The line pq passes through the centre of the rectangle ABCD. Calculate the area of triangle ABP Calculate

    asked on March 21, 2017
  95. math

    solve for x 4x+5=8+x

    asked on March 8, 2017
  96. chemistry

    3.05 g hydrated copper sulfate produces 1.94 g of anhydrous salt.Assuming complete removal of all water of crystallisation,determine tha formula of hydrated copper sulfate.

    asked on March 2, 2017
  97. Physics

    I have this very confusing two part question that i am having trouble understanding. For the first question i first created a free body diagram to show the forces acting on both the boxes. However i am unsure of what to do after this since i don't

    asked on February 7, 2017
  98. Math

    A restaurant uses 80 pounds of potatoes per week. The restaurant owner buys the potatoes in 10-pound bags from a local farmer. How many bags will the owner need to buy this week?

    asked on February 7, 2017
  99. enviromental chemistry

    If 10 ppm of nitrogen dioxide is present 1000 L of air at a pressure of 1 atm and temperature of 27 °C, what is the amount of ammonia necessary to react?

    asked on February 4, 2017
  100. Math

    Martin has 12 times as many baseball cards as Josie. Josie has 29 more cards than Kal. How many baseball cards does Martin have?

    asked on January 31, 2017


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