Questions Asked on
December 12, 2013

  1. Statistics

    Can someone help me do this problem? A group of environmentalist are trying to estimate the population of the state rid in clear view park. They capture a sample of 500 birds in early spring and tag them. in august they capture 215 birds, of which 20 are

    asked by Tina
  2. Statistics

    How is the rejection region defined and how is that related to the z-score and the p value? When do you reject or fail to reject the null hypothesis? Why do you think statisticians are asked to complete hypothesis testing? Can you think of examples in

    asked by Tangy
  3. Romeo and juliet 1 question

    When do romeo and juliet meet and when do they die? I'm looking for the days , so I think they met on Sunday and died on Thursday but idk so please help:)

    asked by Miley
  4. fin

    As part of a new labor contract, Acme has agreed to make a one-time contribution of Euros 1,000,000 to the construction of a new physical fitness facility for its employees. This amount will be placed in an account earning E% (E = the fifth digit of SUN).

    asked by betty
  5. physics

    A magnetic field is uniform in a region of radius 10 cm, and increasing at 0.02 Tesla/second.

    asked by tinamou
  6. Science

    6) - Which of the following compounds in the liquid phase can be considered an electrolyte?

    asked by Kasi
  7. physics- multiple choice

    1. Two forces are applied to a box on a frictionless surface. One force is 40 N [S]. The second force is 70 N [N30ºW]. What is the overall net force? a) 40.6 N [S59.5ºE] b) 110 N c) 40.6 N [N59.5ºW] d) 40.6 N [S30.5ºW] 2. When drawing free body

    asked by Jessie
  8. science urgent help

    What is the independent variable? Select one option from the list below. 1 is the correct answer help me please .thanks Sue is setting up an experiment to test whether fly maggots select a dark or a brightly lit environment. She sets up a chamber in which

    asked by john?????????
  9. Mathematics

    Without using calculator or tables, simplify log7root7-log5root5 divided by log 1.4

    asked by Jamiu
  10. Math - Trigonometry

    An observer on the ground at point A watches a rocket ascend. The observer is 1200 feet from the launch point B. As the rocket rises, the distance d from the observer to the rocket increases. a. Express the measure of angle A in terms of d. b. Find the

    asked by Shelley Nicole
  11. Math - Trig

    From the foot of a building I have to look upwards at an angle of 22° to sight the top of a tree. From the top of a building, 150 meters above ground level, I have to look down at an angle of depression of 50° to look at the top of the tree. a. How tall

    asked by Shelley Nicole
  12. Journalism

    Please im begging you were going to submit the last articles tomorrow, help me make a feature article ... the topic is about unity for what happened in the philippines, the super typhoon yolanda please pleasple please

    asked by Janice
  13. Physics

    Problem 1- In one day, a 85 kg mountain climber ascends from the 1440 m level on a vertical cliff to the top at 2360 m . The next day, she descends from the top to the base of the cliff, which is at an elevation of 1310 m . a) What is her gravitational

    asked by Anonymous
  14. Physics

    Problem 2- A 350 kg roller coaster starts from rest at point A and slides down the frictionless loop-the-loop shown in the figure. a) How fast is the roller coaster moving at point B? b) How hard does it press against the track at point B?

    asked by Anonymous
  15. Physics

    Problem 3- A 12 kg stone slides down a snow-covered hill, leaving point A with a speed of 10 m/s . There is no friction on the hill between points A and B, but there is friction on the level ground at the bottom of the hill, between B and the wall. After

    asked by Anonymous
  16. mathematics

    From the first principles, find the derivation of (3x-1/2x)

    asked by Jamiu
  17. VNS

    3 workers can do a job in 12 days.2 of the workers work twice as first as the third.How long would it take one of faster workers to do the job alone?

    asked by Sumaiya
  18. Calculus PLEASE HELP

    Show that the maximum profit occurs when the marginal revenue equals the marginal cost. I'm pretty sure this is supposed to be some sort of proof, but I have no idea how to even start it...

    asked by Lindsay
  19. mathematics

    1+1

    asked by Jamiu
  20. Astronomy help

    I have already solve the problems in many time, but still cannot get the correct answer, can someone kindly help me to solve the problem, please? 1. Suppose the Moon is at a (center-to-center) distance D from Earth. Find an exact expression for the

    asked by A
  21. math - trig

    The tallest television transmitting tower in the world is in North Dakota, and it is 2059 feet tall. If you are on level ground exactly 5280 feet (one mile) from the base of the tower, what is your angle of elevation looking up at the top of the tower?

    asked by Shelley Nicole
  22. math - trig

    A submersible traveling at a depth of 250 feet dives at an angle of 15º with respect to a line parallel to the water’s surface. It travels a horizontal distance of 1500 feet during the dive. What is the depth of the submersible after the dive?

    asked by Shelley Nicole
  23. math - trig

    The airport meteorologists keep an eye on the weather to ensure the safety of the flights. One thing they watch is the cloud ceiling. The cloud ceiling is the lowest altitude at which solid cloud is visible. If the cloud ceiling is too low the planes are

    asked by Shelley Nicole
  24. Algebra

    Hi! Can you please re-check my answers. Mt teacher said some of them are not right but when I do it again, I still come up with the same answer. This is about Variations. Thanks! 1. What kind of variation equation is a=kbcd --> my answer is joint variation

    asked by McKenna Louise
  25. Physics

    Two thin, infinitely long, parallel wires are lying on the ground a distance d=3cm apart. They carry a current Io=200A going into the page. A third thin, infinitely long wire with mass per unit length λ=5g/m carries current I going out of the page. What

    asked by roami
  26. Physics

    Two thin, infinitely long, parallel wires are lying on the ground a distance d=3cm apart. They carry a current Io=200A going into the page. A third thin, infinitely long wire with mass per unit length λ=5g/m carries current I going out of the page. What

    asked by Anonymous
  27. Physics

    A straight copper wire that is 1 milimeter in diameter carries a current of 20 miliamps. Whas the magnitude of the largest magnetic field created by this wire in Tesla?

    asked by Anonymous
  28. Physics

    An infinitely long wire carries a current I=100A. Below the wire a rod of length L=10cm is forced to move at a constant speed v=5m/s along horizontal conducting rails. The rod and rails form a conducting loop. The rod has resistance of R=0.4ohms. The rails

    asked by Anonymous
  29. world history

    Most sages of the Axial Age took which of the following views of human nature? A. It's essentially bad. B. It's neither good nor bad. C. It's pre-determined. D. It's essentially good.

    asked by robrert
  30. Chemisry

    What weight of potassium chlorite is required to prepare 89.6 mL of oxygen measured over water at 21.0 degrees Celsius at 743 millimeters of mercury (mmHg). The vapor pressure of water at 21.0 degrees Celsius is 18.65 mmHg

    asked by Amy
  31. Math Quiz

    Math Quiz please help fast Write the following ratio in simplest form: 32 min:36 min (1 point) 8:9 8:36 32:9 128:144 2. Marie saved $51. On Wednesday, she spent $8 of her savings. What ratio represents the portion of her total savings that she still has

    asked by Dan
  32. MATH

    The cost of tuition at Johnson Community College is $190 per credit hour. Each student also has to pay $60 in fees. Write a linear equation model for this situation. Use C for the cost and x for the number of credit hours.

    asked by MICHELLE
  33. MATH Albera

    Sales at a certain department store follow the model where y is the total sales in thousands of dollars and x is the number of years after 2001. What was the first year that sales fell below $50,000?

    asked by MICHELLE
  34. math words problem

    Rich’s weekly salary is based on the number of pairs of shoes he sells. He is paid a base salary of $25, plus $5 for every pair of shoes he sells. The relationship between his pay (p) and pairs of shoes (s) sold can be represented by the linear equation

    asked by MICHELLE
  35. Social studies

    1. Into which political unit is the world primarily organized A. International Organizations B. Limited Governments C. Regional Organizations D. Nation-States 3. One main purpose of government is to A. maintain order and security for citizens. B. hold

    asked by Help me please
  36. Science-bobpursley/Ms.Sue

    1. A trilobite is considered an index fossil because this organism existed during a limited period in Earth's history. That means that any fossil located in a layer of rock beneath a layer containing trilobite fossils is ____________ than a trilobite. 2.

    asked by Anonymous
  37. Social studies

    8.  Which of these best shows a conflict between U.S. political ideals and political reality? A. Americans believe in religious freedom, but most people in the United States are Christians. B. Americans believe in equality, but women usually make less

    asked by Hello
  38. science i really really need help

    What is the independent variable? Select one option from the list below. 1 is the correct answer help me please .thanks Sue is setting up an experiment to test whether fly maggots select a dark or a brightly lit environment. She sets up a chamber in which

    asked by john???urgent plz
  39. Science

    Explain how the process of fertilization take place in human female ?what would happen if there is no fertilization?

    asked by Phwisali
  40. science

    Make a cross to show what will happen if a round seed (homozygus) is crossed with wrinkled green seed?

    asked by Phwisali
  41. programming

    Create the logic for a program that continuously prompts the user for a number of dollars until the user enters 0. Pass each entered amount to a conversion method that displays a breakdown of the passed amount into the fewest bill; in other words, the

    asked by Anonymous
  42. chemistry

    An excess of aqueous AgNo3 reacts with 41 mL of 5 M K2CrO4(aq) to form a precipitate. What is the precipitate?

    asked by Anonymous
  43. science i really really need help

    Sue is setting up an experiment to test whether fly maggots select a dark or a brightly lit environment. She sets up a chamber in which there is a gradient in light intensity from one end (dark) to the other (brightly lit). The experimental hypothesis was

    asked by john???urgent plz read carfully
  44. Algebra 1

    Solve using two different methods. Explain which method you found to be most efficient. A. 3x - 9y = 3 6x - 3y = -24 B. 7x - 3y = 20 5x + 3y = 16 C. y = 1/2x - 6 2x + 6y = 19 I am just stuck and don't know how to do these last few problems on my

    asked by Cassie
  45. Physics

    A Venturi flow meter is used to measure the the flow velocity of a water main. The water main has a diameter of 30.0 cm, and the constriction has a diameter of 10.0 cm. The two vertical pipes are open at the top, and the difference in water level between

    asked by Jimmy
  46. Social studies

    12.   Which of these responsibilities is the job of national government, but not state or local government A. collecting taxes B. repairing roads and highways C. maintaining a military D. running public schools 14. Formal membership in a nation- state is

    asked by homework help
  47. Geography

    What are the prospects of democracy in the region?

    asked by Annonomys
  48. math

    what is the anwser for equivalent to 10⁄15

    asked by ital
  49. Physics Classical Mechanics

    A person of mass m2= 85.0 kg is standing on a rung, one third of the way up a ladder of length d= 4.0 m. The mass of the ladder is m1= 15.0 kg, uniformly distributed. The ladder is initially inclined at an angle θ= 40.0∘ with respect to the horizontal.

    asked by Robert
  50. English

    Four score and seven years ago, our forefathers brought forth upon this continent a new nation conceived in (liberty) and dedicated to the proposition all men are created equal.

    asked by Aryn
  51. biology

    Explain how the Punnett Square is related to probabilities, and describe what different regions of a Punnett Square represent

    asked by Temmick
  52. English

    What type of clause or phrase is italicized in the sentence below? (Jumping across the ditch), the fire threatened our house.

    asked by Aryn
  53. Computer Science

    Answer the following question without running the code. The procedure isMyNumber is used to hide a secret number (integer). It takes an integer x as a parameter and compares it to the secret number. It returns: -1 if the parameter x is less than the secret

    asked by Ege
  54. Science

    Which of the following ets of terms could be used in a deseription of the peripheral nervous system?

    asked by Kayla
  55. Business English

    I need help writing this: You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and tells you to bring with you a polished piece of writing for them to evaluate your writing skills. The paragraph

    asked by Kelley
  56. Algebra 1

    12 + 12x = 12x + 12 A. None B. one C. Infinitely many D. Two solutions I think it's A. Thank you.

    asked by Cassie
  57. Sentence Agreement Errors

    What agreement error would this sentence be? One of the options concerning his future surgeries were discussed with him. Verb tense agreement error, subject/verb agreement error, pronoun agreement error, modifier placement error or parallel structure error

    asked by Becky
  58. Math help,plz :(

    So I'm drawing a scale drawing of A room (Yes, I know what a Scale drawing is) and I don't know how to do it adding proportions.... and what does it mean to Use dimensions to scale the room? Care to explain?

    asked by Princess Anna
  59. science i really really need help

    Sue is setting up an experiment to test whether fly maggots select a dark or a brightly lit environment. She sets up a chamber in which there is a gradient in light intensity from one end (dark) to the other (brightly lit). The experimental hypothesis was

    asked by john???urgent plz
  60. science

    the honeyguide bird leading the honey badger to the bees hive, both eat meat what is the symbiosis for this

    asked by bob
  61. math

    write a five digit number that fits each description use only the digits that the athlete are wearing use each digit only once in each answer find the greatest number less than 1.8 1. The digits ate 41836

    asked by Robyn
  62. physics

    A missile is fired horizontally with an initial velocity of 300 m/s from the top of a cliff 200.0 meters high. a. How long does it take the missile to reach the bottom the cliff? b. How far from the base of the cliff does the missile strike the ground?

    asked by sydney
  63. math

    solve the following inequality /3x + 12/ >/ 21 PS >/ means greater than or equal to.

    asked by lindsay
  64. physics

    A dart player throws a dart horizontally at a speed of of 12.4 m/s. The dart hits the board 0.32 meters below the height from which it was thrown. How far away is the player from the board?

    asked by sydney
  65. Physics... HELP

    A toy car runs off the edge of a table that is 1.225 meters high. If the car lands 0.400 meters from of the table, a. How long does it take for the car to fall? b. What is the horizontal velocity of the car?

    asked by sydney
  66. Math

    A clothing retailer purchased a line of fall leather coats which were priced to sell at $600 each. This price reflected a markup of 45% on the selling price. At the end of the season the retailer had three coats left, which were marked down to 25% and

    asked by Anonymous
  67. calculus

    use a sign chart to solve inequality. Express answers in interval notation. x^2+6

    asked by joker
  68. English

    I urgently need your help with a few sentences. Can you tell me which alternatives are possible? 1) What do you think of/about these shoes? 2) AlL the ones I have been shown are uncool 3) all of the ones I have been shown... 4) He was given two weeks by

    asked by Frank
  69. social studies

    Who suggested the Great Comprise? a. Roger Sherman b. James Madison c. John Adams d. Benjamin Franklin I think the answer is James Madison, but I am not entirely sure.

    asked by Rainshine
  70. science

    What activities would contribute the most global warming?

    asked by Aaron
  71. social studies

    Who was the presiding officer at the Constitutional Convention?

    asked by Rainshine
  72. Biology

    1) What is free gibs? 2)What is energy carriers? 3)If the inner membrate of the mitochondria leaks hydrogen what will happen?

    asked by SHINee
  73. science

    Explain how your skin can be considered an organ.

    asked by Ranjeet
  74. Civics

    1.)Why do states establish licensing boards for various professions? 2.) What would happen to the country's school districts if the federal and state governments didn't provide any financial assistance?

    asked by Stephine
  75. world civilizations II

    nationalist movements: a. all began as traditionalist, religiously based movements b. were called "tongs" in China c. were usually led by people with extensive knowledge of Western ideas and values d. did not begin in Southeast Asia until the 1930's

    asked by Anonymous
  76. math

    What integer would represent "twenty-two hundred feet above sea level"?

    asked by Nina
  77. physics

    An object that deforms when a force is applied to it and returns to its original form when the force is no longer applied is said to be

    asked by Maria Gonzales
  78. Calculus

    Lim x to 3 (-x^2)/((x^2)- 6x + 9) substitution i get -9/0 factoring i get same answer would that mean the answer is infinity? if not how could i prove that it isn't infinity

    asked by eric
  79. physics

    If a board spans two bricks and carries a load of 10kg, where on the board does tension occur?

    asked by Carmen Espinoza
  80. American History

    If John F. Kennedy was in office today, what do you think his approach to the media might be?

    asked by jack
  81. Physics

    A 13g bullet traveling 330 m/s penetrates a 2.0 kg Block of wood and emerges going 270 m/s . If the block is stationary on a frictionless surface when hit how fast does it move after the bullet emerges?

    asked by Anonymous
  82. Math

    Altogether,Renee walks a combined "2 4/5" miles to and from the train each day.How long is the walk to the train?

    asked by CeCe
  83. college chemistry

    If 100.0 mL of 0.0025 M Na2SO4 (aq)is saturated with CaSO4 how many grams of CaSO4 would be present in the solution? [Hint: Does the usual simplifying assumption hold?]

    asked by sarah
  84. Math

    4x=y 4(7)=28 x=7 y=28 4(-5)=-20 x=-5 y=-20 4(-3)=-12 x=-3 y=-12

    asked by Jerald
  85. chemistry

    how many moles of nitrogen would be needed to make 10.0 ammonia?

    asked by Ashley
  86. physics

    The area of a span that is unaffected by an applied force is

    asked by angela
  87. physics. HELP

    Phil jumps off a high-diving platform with a horizontal velocity if 2.8 m/s and lands in the water 2.6 seconds later. a. How high is the platform b. How far out from where he jumped does he land?

    asked by sydney
  88. chemistry

    ok, so i did a lab called: measurements using electrochemical cels and electroplating, and one of the post lab questions asks,if the student fails to dry the electrode, in this case (Cu+2), what effect does it have on the calculated value of Faraday? and

    asked by K
  89. Physics, HELP

    AN auto, moving too fast on a horizontal stretch of mountain road, slides off the road, falling into deep snow 43.9 meters below the road and 87.7 meters beyond the edge of the road. a. How long did the auto take to fall? b. How fast was it going when it

    asked by sydney
  90. Math

    Jordan has $10.00.if each drawing pen costs $1.449,how many can he buy?

    asked by Taylor
  91. Math

    Jordan has $10.00.If each drawing pen costs $1.49,how many can he buy?

    asked by Matt
  92. physics

    An airplane traveling 1001 meters above the ocean at 35 m/s is to drop a box of supplies to shipwrecked victims below. a. How many seconds before being directly overhead should the box be dropped?

    asked by tina
  93. physics

    an auto, moving too fast on a horizontal stretch of mountain road, slides off the road, falling into deep snow 43.9 meters below the road and 87.7 meters beyond the edge of the road. a. How long did the auto take to fall? b. How fast was it going when it

    asked by tina
  94. physics

    A missile is fired horizontally with an initial velocity of 300 m/s from the top of a cliff 200.0 meters high. a. How long does it take the missile to reach the bottom the cliff? b. How far from the base of the cliff does the missile strike the ground?

    asked by louis
  95. Math

    x+4=y 8+4=12 x=8 y=12 7+4=11 x=7 y=11 5+4=9 x=5 y=9 -7+4=-3 x=-7 y=-3 2+4=6 x=2 y=6

    asked by Jerald
  96. Math

    -8x=y -8(7)=-56 x=7 y=-56 -8(-6)=48 x=-6 y=48 -8(-8)=64 x=-8 y=64 8(-8)=-64 x=8 y=-64 -7(=8)=56 x=-7 y=56

    asked by Jerald
  97. Math

    x-3=y -1-3=-4 x=-1 y=-4 -6-3=-9 x=-6 y=-9 2-3=-1 x=2 y=-1 7-3=4 x=7 y=4 -5-3=8 x=-5 y=8

    asked by Jerald
  98. English

    What should the warrant be about in a argumentative essay?

    asked by Shannon
  99. Math

    x-8=y 4-8=-4 x=4 y=-4 8-8=0 x=8 y=0 0-8=-8 x=0 y=-8 6-8=-2 x=6 y=-2 -1-8=-9 x=-1 y=-9

    asked by Jerald
  100. language arts

    What do country life and city life have in common? I am making a Venn diagram for language arts and have identified their separate traits, but can't think of any they have in common.

    asked by Rainshine
  101. Math

    2x+1=y 2(-1)+1=-3 x=-1 y=-3 2(0)+1=1 x=0 y=1 2(-2)+1=-5 x=-2 y=-5 2(1)+1=3 x=1 y=3 2(4)+1=9 x=4 y=9

    asked by Jerald
  102. science

    Use of which of the following does not contribute carbon dioxide to the environment? refrigerator charcoal grill computer bicycle

    asked by Aaron
  103. Math (pre calculus)

    The population of a certain town grows from 10,000 in 1982 to 35,000 in 1995. At this rate, in what year will the population reach 300,000? Tip* Population growth formula: P = P(subzero)multiplied by e^(k)(t)

    asked by danielle
  104. 4th grade math

    In a functional table, the input (a) is 10 and the output is 30. what are two possible rules? output = ____________________ output = ______________________

    asked by mythreyee
  105. science

    What is a form of pollution triggered by a formation of a gas and can have dramatic effects? fog pesticides acid rain oil spill

    asked by Aaron
  106. Math (pre calculus)

    Solve 2^3-x = 5^2x+1 Give an exact solution.

    asked by danielle
  107. Math

    y=8x-9 8(1)-9=1 x=1 y=-1 8(-8)-9=-73 x=-8 y=-73 8(3)-9=13 x=3 y=13 8(-4)-9=-41 x=-4 y=-41 8(-2)-9=-25 x=-2 y=-25

    asked by Jerald
  108. mah statistics

    the following table gives the number of camcorders sold on a given day in an electronics store X: 0, 1, 2, 3, 4, 5, 5, P(x) 0.5, .12, .23, .3, .16, .1, .04 find the mean, variance, and standard deviation of the daily sales of camcorders in the store.

    asked by james ohara
  109. math

    the population of a town is declining at a rate of 4.1% per year. the current population is 25000. 1)what will the population be in 7 years. 2) how long will it take the population to reach 15000?

    asked by Riana
  110. Math

    y=9x-6 9(8)-6=66 x=8 y=66 9(7)-6=57 x=7 y=57 9(5)-6=39 x=5 y=39 9(-7)-6=-69 x=-7 y=-69 9(2)-6=12 x=2 y=12

    asked by Jerald
  111. College Algebra

    Use a system of equations to solve the problem. A rectangular picture frame has a perimeter of 2,200 centimeters and a width that is 300 centimeters less than its length. Find the area of the picture. _____ cm2

    asked by Dee
  112. English

    1. Shut the door behind you. 2. Shut the door behind yourself. 3. I looked about me. 4. I looked about myself. 5. We have the whole week before us. 6. We have the whole week before ourselves. (Which expressions are grammatical? Is each pair grammatical?)

    asked by rfvv
  113. Algebra

    Factor by grouping v^3-2v^2-4v+8

    asked by Anonymous
  114. physics

    How much tangential force must be exerted to stop a rotating solid disk (radius = 1.50 feet) weighing 480 lbs in 12.0 seconds? The disk is initially rotating at 600 RPM.

    asked by Anonymous
  115. algebra

    -3x-5y=-6 6x+5y=-34 how do i solve this using elimination?

    asked by jc
  116. Physics

    A chunk of metal with a mass of 81.1 grams and a specific heat of 153 joules per kilogram·kelvin is heated to 95.7 degrees Celsius and placed in 144 milliliters of water at 19.5 degrees Celsius. What are the final temperatures of the metal and the water?

    asked by Matt
  117. Physics

    Suppose 2.7 centimeters of rain at 15 degrees Celsius falls on a rectangular field of dimensions 2.1 kilometers by 1.1 kilometers. The amount of energy released when water vapor condensed and cooled to form this rain is equivalent to how many

    asked by Jimmy
  118. Math

    Is 0.475 divided by 0.045, equal to 10.5555 (with repeating fives)?

    asked by Anonymous
  119. MATH

    Need help on the question below. A cat has a litter of 5 kittens. Which simulation could be used to determine the probability that exactly 3 kittens will be female? a. tossing 5 coins b. spinning a spinner with 5 equal parts c. using a random integers 1 to

    asked by Brandi
  120. English (advertisements)

    "This city of 200,000 has over 400 restaurants" Is that an unfinished claim? Unfinished claim-When you make a comparison, you state two things that are compared (for ex I am taller than you) Advertisers may intentionally not finish the comparison "this

    asked by Jerald
  121. algerbra

    3x-2y=8 2x=2y=22 How i solve with substitution?

    asked by jc
  122. science

    why does buying food that is grown in your local area help prevent loss of biodiversity?

    asked by Aaron
  123. Math help?

    Can someone plz explain how to show scaled measurements in a scale drawing? For example: Width/x=24in/1in length/x= 24in/1in

    asked by Princess Anna
  124. Math - Oh my gosh please help!

    Lisa's Running Distances Day Distances (in kilometers) Monday 2.05 Tuesday 4.10 Wednesday 3.80 Thursday 1.95 Friday 4.05 Estimate the average distance, in kilometers, Lisa ran for the five days. Explain your estimation strategy. Based on your previous

    asked by Anonymous
  125. science

    sound and light prentice hall science Explorer book 6th grade page 15 section 2 assessment 1.c. comparing and contrasting which wave properties are distances? which are measured relative to time

    asked by John Dosley
  126. Algebra

    A small business invests 33,000 in equipment to produce a product. Each unit of the product costs $1.70 to produce and is sold for $5.00. How many items must be sold before the business breaks even?

    asked by Please help
  127. Physics-science

    what is the heat required in kilo calories to covert 2kg of ice at 0 c completely into stream at 100c

    asked by sherrie
  128. math

    how do i work the problems 2 20-7=18-___

    asked by kiristen
  129. World Geography

    a What are the major groups that blended to form the culture of this region? b What are some major sources of income in the economies of Central America and the Caribbean? c What forms of music have evolved in the region?

    asked by m
  130. Precalculus

    A plane flies 30 mi on a bearing of 200 degrees and then turns and flies 40 mi on a bearing of 10 degrees. Find the resultant displacement vector as a distance and bearing.

    asked by Anonymous
  131. Social Studies

    I am in 5th grade, and I need a easy interesting current event to write a paragraph about. Help me find a subject!!

    asked by Lila
  132. Politics

    A major factor contributing to nonvoting is A. high income B. partisanship c. reductions of barriers to voting D. political alienation Is the answer B

    asked by Michelle
  133. Samantha

    Hello, i have to write a ccot essay. can someone please help find details for each of my subtopics? the topic: analyze continuities and changes that resulted from the spread of islam into west africa betweeen circa 800 ce to 1750 ce. changes: trade and

    asked by World History
  134. science

    What determines the carrying capacity of a particular population by an ecosystem? A.keystone species B.pioneer species C.limiting factors D.renewable resources

    asked by Aaron
  135. Math

    Carolyn and Kim are selling lemonade this summer. It costs 10 cents to make each cup of lemonade. They are going to sell each cup of lemonade for 25 cents. What is the total cost to make 55 cups of lemonade? If they sell 55 cups of lemonade, what is the

    asked by Anonymous
  136. math

    Solve (x^3 y)^2/8x^1/3

    asked by Lindsay
  137. Quick math help

    Apply a translation up 6 units to the following F(x)- -6x-10

    asked by Anonymous
  138. Quick math help

    Apply a reflection and translation down 3 units to the following: G(x)=3x-2

    asked by Anonymous
  139. Math

    Carolyn and Kim are selling lemonade this summer. It costs 10 cents to make each cup of lemonade. They are going to sell each cup of lemonade for 25 cents. What is the least number of cups of lemonade they need to sell in order to collect $10.00 more than

    asked by Anonymous
  140. Quick math help

    Write an equation in slope intercept form perpendicular to: -2x+8y=16 and goes through (4,5)

    asked by Anonymous
  141. Quick math help

    Write an equation in slope intercept form perpendicular to (-3,10) (3,-2) and goes through (-2,5)

    asked by Anonymous
  142. Precalculus

    I know I posted this before,but I did not learn it your way .....instead I drew a picture and use the law of cosines....is there a way you can show me the work using law of cosines?? A plane flies 30 mi on a bearing of 200 degrees and then turns and flies

    asked by Anonymous
  143. trig

    Juana and Diego Gonzales, ages six and four respectively, own a strong and stubborn puppy named Corporal. It is so hard to take Corporal for a walk that they devise a scheme to use two leashes. If Juana pulls with a force of 23 lbs at an angle of 18° and

    asked by J
  144. math

    jenna has two lengths of ribbon, one 24 inches one 36 inches. she want to cut the ribbon inot equal lengths and not have any left over. what lengths can she cut the ribbon?

    asked by kelly
  145. English

    1. If your friend has bad grades, what would you say to help her get better grades. 2. If your friend had bad grades, what would you say to help her get better grades. ------------------ Which one is grammatical? Do we have to use 'has' or 'had'? Are both

    asked by rfvv
  146. math

    The Food Barn sells candy bars at a price of 5 for $1. Margaret bought $12 worth of candy bars there and resold half of them at a price of 3 for $1 and half at a price of 2 for $1. How much profit did she make (assuming her labor costs are zero)?

    asked by tyra
  147. Math

    A toothpaste company did a survey at the mall. They found that 42.5% of those surveyed brushed their teeth twice a day. Which random numbers would you generate on a computer spreadsheet to simulate the survey? a. random integers from 425 to 1000 b. random

    asked by Brandi
  148. SS

    Tropical storms often hit Japan during the ________. summer winter spring fall Summer?

    asked by Anonymous
  149. Statistics

    True or False As sample size increases, the value of the standard error also increases.

    asked by Lyndyc
  150. Statistics

    True or False The mean for a sample of n = 4 scores has a standard error of 5 points. This sample was selected from a population with a standard deviation of ċ = 20.

    asked by Lyndyc
  151. physics

    A tight uniform string with a length of 1.80 m is tied down at both ends and placed under a tension of 100 N. When it vibrates in its third harmonic, the sound given off has a frequency of 79.0Hz . Part A What is the mass of the string?

    asked by HELP!!!! FINALS WEEK
  152. physics

    A 0.20 kg baseball moving at +25.20 m/s is slowed to a stop by a catcher who exerts a constant force of -387 N. A)How long does it take this force to stop the ball? B)How far does the ball travel before stopping?

    asked by Najah
  153. SS

    Which of the following caused a severe economic crisis in Japan during the 1990s? Taxes were raised too high. Bad bank practices caused a recession.** Too many workers went on strike. Trade embargos increased. Which of the following is a cultural exchange

    asked by Anonymous
  154. PHYSICS HELP!

    A 73.5 kg ice skater moving to the right with a velocity of 2.64 m/s throws a 0.18 kg snowball to the right with a velocity of 23.8 m/s relative to the ground. (a) What is the velocity of the ice skater after throwing the snowball? Disregard the friction

    asked by Najah
  155. physics HELP!

    A 4.0 g coin sliding to the right at 26.0 cm/s makes an elastic head-on collision with a 12.0 g coin that is initially at rest. After the collision, the 4.0 g coin moves to the left at 13 cm/s. (a) Find the final velocity of the other coin. cm/s (b) Find

    asked by Najah
  156. PHYSICS HELP!

    An 88.5 kg fullback moving east with a speed of 5.5 m/s is tackled by a 94.0 kg opponent running west at 2.90 m/s, and the collision is perfectly inelastic. (a) Calculate the velocity of the players just after the tackle. m/s (b) Calculate the decrease in

    asked by Najah
  157. statistic

    The data (1,5), (3,16), (5,35), (7,67), (9,110) could be modeled as a linear relationship if

    asked by helen
  158. statistic

    Which set of points can be modeled without a power model? (2 points) {(2.2, 4.33), (3.5, 6.641), (4.8, 10.184)} {(1.4, 0.133), (2, 0.21), (2.6, 0.333)} {(1.1, 17.155), (1.7, 14.941), (2.3, 13.013)} {(1.4, 5.192), (1.8,6.104), (2.2, 7.016)}

    asked by helen
  159. statistic

    With an exponential transformation, how does the data set (x, y) change? (2 points) (log x, y) (x, log y) (log x, log y) cannot be determined without a data set

    asked by helen
  160. statistic

    Explain the transformation needed to convert the following data to a linear data set. {(1, 0.98), (2, 1.39), (3, 1.71), (4, 1.98), (5, 2.22), (6, 2.43)} (6 points)

    asked by helen
  161. statistic

    Which of the following behave exponentially over time? Select all that apply. (6 points) finances population area pricing volume bacteria mass

    asked by helen
  162. statistic

    With an exponential transformation, how does the data set (x, y) change? (2 points) (log x, y) (x, log y) (log x, log y) cannot be determined without a data set

    asked by helen
  163. Math

    A firefighters ladder, 65 feet long, rests against a tall building. If the bottom of the ladder is 16 feet from the building, how high up the wall does the ladder reach.

    asked by Anonymous
  164. math

    A standard deck of 52 playing cards is placed facedown on a table.how many cards must you draw from the deck to be certain that you have a pair of the same value?

    asked by udaya
  165. math

    what is the smallest number of people that must be gathered together to be certain that at least two people of the group were born in the same month?

    asked by udaya
  166. math

    A certain school has an enrollment of 400 students.Must there be at least two students in this school whose birthdays fall on the same day of the year?For this problem consider only non leap years.

    asked by udaya
  167. Physics

    A ball has an initial velocity of -23m/s. If the ball has a new velocity of 76m/s after 27 seconds, what is the ball acceleration

    asked by Jade
  168. physics

    When the net force that acts on a hockey puck is 12 N, the puck accelerates at a rate of 48 m/s2. Determine the mass of the puck.

    asked by john
  169. pHYSICS HELP!

    A tennis player places a 44 kg ball machine on a frictionless surface, as shown below. The machine fires a 0.064 kg tennis ball horizontally with a velocity of 35.2 m/s toward the north. What is the final velocity of the machine?

    asked by Najah
  170. math

    Tom and Max have 72 football cards.Tom has 2 more than 4 times as many cards as Max has. How many football cards does Tom have?

    asked by Sam
  171. chemistry

    will iron rust if it is placed in a test tube of ethanol acid with no water inside. Explain

    asked by samuel
  172. physics

    A 1.13 kg skateboard is coasting along the pavement at a speed of 4.28 m/s when a 0.93 kg cat drops from a tree vertically downward onto the skateboard. What is the speed of the skateboard-cat combination?

    asked by Najah