Questions Asked on
October 26, 2016

  1. Math

    Starting at 1:00 p.m., the temperature changes −4 degrees Fahrenheit per hour. Write and solve an equation to find how many hours xx it will take to reach −1°F.

    asked by Madeline
  2. Math

    The perimeter of the parallelogram is 102 feet. Find m. Write your answer as a decimal or mixed number. The sides of the parallelagram are 3 and 3m

    asked by Madeline
  3. Science

    What distance was used to define the astronomical unit (AU) A. the average distance across the sun, its diameter B. the average distance from the sun to mercury, the closest planet C. the average distance from the sun to earth, our home planet D. the

    asked by Brook
  4. Government

    Which of the following is a true statement about the power of congress? A. Congress may overrule the bill of rights B. Congress may pass any law necessary and proper to carry out it enumerated powers C. Congress may overrule decisions by federal judges D.

    asked by Mila
  5. math

    Write the number that makes the statement true. 1. 205.5 m = _____ mm (1 point) 205,500 0.2055 20.55 20,550 2. 199.2 km = _____ m (1 point) 199,200 19.92 19,920 0.1992 Use benchmarks to estimate the sum. 3. + (1 point) 2 1 0 Estimate the difference. 4. 6

    asked by help me
  6. History

    1. How did the Magna Carta affect the power of the English king? A. It had no effect on the king's power. B. It closely linked the king's power to the power of the nobles. C. It weakened the king's power. D. It strengthened the king's power. 2. What was

    asked by Anonymous
  7. math

    Last Saturday, Jay spent 6 hours playing games, studying and talking with his friends. He spent 2/5 of the time paying games and 1/2 of the time studying. How many minutes did he spend talking with his friends?

    asked by Lillianna
  8. MATHS 2

    If x+y=45°, prove that {(cotx+1)(coty+1)}/{cotx×coty}=2 Please help me in this TRIGONOMETRY problem. From the topic - TRIGONOMETRY Ratios of compound angles

    asked by A GOODSTUDENT
  9. alg

    Which of the following lists of ordered pairs is a function? A.(2, 4), (3, 9), (4, 16), (5, 25) B.(0, 2), (4, 2), (0, –4), (4, –2) C.(1, 1), (2, 3), (1, 5), (4, 7) D.(2, 4), (–2, 4), (3, 9), (–2, –4)

    asked by coder
  10. Algebra 1

    Choose the correct solution in roster form. N is the set of natural numbers that are factors of 12. {1, 2, 3, 4, 6} {1, 2, 3, 4, 6, 12}** {1, 2, 3, 4, 5, 6, 8, 12} {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}

    asked by Anonymous
  11. History

    How did geography shape civilizations in ancient India and China? A) they built cities away from areas prone to flooding and dangerous weather B) they grew along rivers and other bodies of water C) they emerged where mountains and other natural barriers

    asked by Kylie
  12. Algebra 1

    Suppose U = {1, 2, 3, 4, 5, 6, 7, 8} is the universal set and P = {2, 4, 6, 8}. What is P' ? {2, 4, 6, 8} {1, 2, 3, 4, 5, 6, 7, 8} {1, 3, 5, 7}** {1, 3, 5, 7, 8}

    asked by Anonymous
  13. Algebra

    Find a polynomial function of lowest degree with rational coefficients that has the given numbers as some of its zeros. 3-i,sqrt2 f(x)=??

    asked by Gabby
  14. Math

    Use the circle graph to determine how many hours per day Becky spends on each activity. School=25% Eating=10% Sleep=40% Homework=10% Freetime=15% I think my answer would be 25/100=x/1 4 hours Can you please check my answer,Please help me I am a little

    asked by Patrick
  15. Core World History

    Why did independent Greek city-states develop instead of a single state covering the entire Greek peninsula?

    asked by Lenae
  16. 7th American History

    Can someone help me please? I have to summarize why John Adams was not reelected in the election of 1800. I know that he wasn't because he declared war on his first term and Thomas Jefferson was a popular candidate, but are there any more reasons?

    asked by Anonymous
  17. Permutations

    Solve for n given: nP2 = 110

    asked by Instantaneous
  18. Chem 2

    You are instructed to create 600. mL of a 0.56 M phosphate buffer with a pH of 7.6. You have phosphoric acid and the sodium salts NaH2PO4, Na2HPO4, and Na3PO4 available. (Enter all numerical answers to three significant figures.) H3PO4(s) + H2O(l)

    asked by Mia Ismaili
  19. ab calculus

    Air is being blown into a spherical balloon at the rate of 75 cm3/s. Determine the rate at which the radius of the balloon is increasing when the radius is 28 cm.

    asked by ron
  20. Physics

    A ball is tied to a string and whirled in a horizontal circle at a constant 4 revolutions per second. Categorize the following according to whether they are 0 in value, constant in value, or change: v: linear speed (scalar) v: linear velocity (vector) ar:

    asked by Anonymous
  21. math

    Which of the following statements best describes the effect of replacing the graph of y = f(x) with the graph of y = f(x) − 11? answer choices: The graph of y = f(x) will shift up 11 units. The graph of y = f(x) will shift right 11 units. The graph of y

    asked by hey
  22. Math

    Hank has a board that is 6 2/3 feet long. He cuts the board into equal pieces that are each 5/6 foot long. How many 5/6 foot pieces can Hank cut from the board?

    asked by Lei
  23. Math

    A monument has a base and a statue. The base is a rectangular prism that measures 4 feet by 6 feet by 2 feet. The statue is a cube with edges that are 2 feet long. What is the volume of the monument?

    asked by Shaun
  24. math

    Change from rectangular to cylindrical coordinates. (Let r ≥ 0 and 0 ≤ θ ≤ 2π.) (a) (3, −3, 2) (b) (−2, −2sqrt3, 5)

    asked by anon
  25. Spanish

    Instructions: Modifique el párrafo por cambiar las palabras entre comillas al tiempo FUTURO. Modelo: Mi familia ‘va a visitar’ a nuestros abuelos este verano. Mi familia visitará a nuestros abuelos este verano. Este año ‘vamos a hacer’ una

    asked by Chris
  26. History of Technology

    In developed countries, technological advances are most closely related to: A. cultural philosophy. B. warfare. C. applied science. D. theoretical science. Ans : D

    asked by angela
  27. Physics

    Two identical massless springs of constant k = 200N/m are fixed at opposite ends of a level track, as shown. A 5 kg block is pressed against the left spring, compressing it by 0.15m. The block is then released from rest. The entire track is frictionless

    asked by Anonymous
  28. College Calculus

    If a ball is thrown vertically upward from the roof of 48 foot building with a velocity of 96 ft/sec, its height after t seconds is s(t)=48+96t−16t^2. What is the maximum height the ball reaches? What is the velocity of the ball when it hits the ground

    asked by Jaken
  29. AP Chemistry

    A typical bathtub can hold 94 gallons of water. Calculate the mass of natural gas that would need to be burned to heat the water for a tub of this size from 59 ◦F to 101 ◦F. Assume that the natural gas is pure methane (CH4) and that the products of

    asked by David
  30. Aria

    If a projectile is shot vertically upward from the ground with an initial velocity of 100 ft per sec, neglecting air resistance, its height s (in feet) above the ground t seconds after projection is given by s= -16t^2 + 100t a) After how many seconds will

    asked by Math
  31. Help on Social Studies please!

    Part A: What is the basic independent unit of world politics? a. country b. province c. nation *** d. organization Part B: Which of the following groups is an example of the basic unit you selected in the previous question? a. people who share a common

    asked by Eva
  32. Algebra 1

    Write the solution to the inequality in set-builder notation. 5r + 8 < 63 {r | r < 11}** {r | r < 15} {r | r < 71} {r | r < 8}

    asked by Anonymous
  33. Math

    The transportation departments is resurfacing 12.75 miles of roadways in Navarro County. The crew completes work on a 1/8 mile section of roadway each hour. How many hours will it take to complete the resurfacing project?

    asked by Lei
  34. Algebra

    Acme Movers charges ​$280 plus ​$40 per hour to move household goods across town.​ Hank's Movers charges ​$75 per hour. For what lengths of time does it cost less to hire​ Hank's Movers? It costs less to hire​ Hank's Movers for times less than

    asked by Gabby
  35. calculus

    A car is traveling west at 67 mi./hr and a truck is traveling south at 59 mi./hr. Both are headed for the intersection of the two roads. At what rate are the car and truck approaching each other when the car is 0.2 mi. and the truck is 0.5 mi. from the

    asked by josh
  36. Physics (Mechanics)

    A student of mass M = 62 kg takes a ride in a frictionless loop-the-loop at an amusement park. The radius of the loop-the-loop is R = 19 m. The normal force by the track on the student at the top of the loop-the-loop is N1 = 100 N Find the speed of M at

    asked by Kevin
  37. query

    ruhi spend 30% of her monthly salary on rent transportation and bills in the respective ratio of 7:5:3 if he spends 3560 on transportation how much is her monthly salary

    asked by Amit
  38. science

    An atom that has the same amount of atoms of each element on both sides of the reaction obeys what law? law of conservation of energy law of conservation of mass law of conservation of temperature law of conservation of atoms I know the Answer law of

    asked by Miracle Mckeller
  39. Physics

    Three charges +2q, -q and -q are placed at the vertices of an equilateral triangle. What is the electric field and the potential at the circumcenter of the triangle?

    asked by Reda
  40. Science HELP!!

    Compare and contrast the roles of genetic factors and local conditions in determining physical traits Contrast dominant, recessive, codominant, and incomplete dominant traits and give examples of each Summarize the process of sexual reproduction and

    asked by Callie
  41. algebra

    Find the perimeter of the triangle whose vertices are the following specified points in the plane? (0,-3), (-2,1) and (-4,6)

    asked by cindy
  42. american history

    what event led to the first shots being fired at the battles of lexington and concord

    asked by Anonymous
  43. Calc

    You plan to paint a sphere of radius 200 cm with a coat of pain .2 cm thick. Use differentials to approximate the amount of paint that is needed. Use the equation for the volume of a sphere.

    asked by Jenna
  44. Finance

    You have been hired as a consultant for Pristine Urban-Tech Zither, Inc. (PUTZ), manufacturers of fine zithers. The market for zithers is growing quickly. The company bought some land three years ago for $1.30 million in anticipation of using it as a toxic

    asked by Riley
  45. castor financial math

    Find the interest in dollars and the proceeds for the following problem. Choose the correct answers. Tim Tele received a $380 discount loan to purchase a DVD player. The loan was offered at 18% for 60 days. Find the interest in dollars and the proceeds for

    asked by kp
  46. statistics

    In studying the responses to a multiple-choice test question,the following sample data were obtained. At the .05 significance level, test the claim that the responses occur with the same frequency. show work for test statistic & p. response a b c d e/ 12

    asked by Dhelp
  47. Physics

    A 3 kg object initially at rest is acted on by a non-constant force which causes it to move 3 m. The force varies with position as shown in the figure. a) How much work is done on the object by this force? b) What is the final speed of the object as it

    asked by Anonymous
  48. math

    There are 24 students in a class. If 1/4 students wear glasses. How many students do not wear glasses? I multiply 24(1/4)=6 so 24-6=18 so is 18 students correct?

    asked by Tommy
  49. algebra

    basic cellphone plan cost $20 per month for 60 calling minutes. Additional time costs .40 per minute. The formula gives the monthly cost for this plan C, for x calling minutes, where x > 60. How many calling minutes are possible for a monthly cost of at

    asked by lisa
  50. physics

    A box is being accelerated across a rough, level surface. A force is being applied to the box in an upward and a rightward direction (as shown below). This force makes an angle of 30 degrees with the horizontal. The force of friction experienced by box

    asked by anonmous
  51. Calc answer check

    True or false If y =ax+b then DeltaY/DeltaX = dy/dx If Y= x+c then dy = dx If you can measure the length and width of a rectangle correct within .1 cm, then the calculated area will be correct within .1 cm as well. I have True for the first 2 and false for

    asked by Amber
  52. Math

    You must scuba dive to the entrance of your room at Jules' Undersea Lodge in Key Largo, Florida. The diver is 1 foot deeper than 2323 of the elevation of the entrance. What is the elevation of the entrance?

    asked by Madeline
  53. Math

    The temperature at 6:00 pm was 33°f.over the course of the day, the temperature decreased 5.5°F per hour. What was the temperature at midnight?

    asked by Lydia
  54. Math

    On a random day in the spring 88% of the students are present at school.If there are 528 students presents how many total students are enrolled?

    asked by Leah
  55. algebra

    Write an algebraic expression for the given quantity. Let x represent the unknown value. a value increased by 6

    asked by debbie
  56. Chemistry

    Standardization of iodine solution was prepared using 10.0 mL of a standard, 1.00 mg/mL, ascorbic acid solution. Titration with the iodine solution required 35.80 mL to reach the end point. What is the molarity of the iodine solution?

    asked by Rachael
  57. cooking appliance

    the time required for epoxy resin cement to set is about

    asked by chris
  58. Math Test

    8.) Which one of these is a irrational number? *1/32 *3.141592*** *Square root of 16 *-22 My answer: ***

    asked by 123bruh
  59. physics

    Calculate the component of a force of 200N at a direction of 60degre to the force

    asked by abiy
  60. Calc

    Find the particular solution that satisfies the differential equation and the initial condition. f '(s) = 10s − 4s3, f(3) = 7 & f ''(x) = 6, f '(2) = 14, f(2) = 19

    asked by Emily
  61. Chemistry

    Note- I do not want the answers. I just need to know how to set up each.. The combustion of isopropyl alcohol (Molar Mass=60.1 g/mole) is described by the following balanced equation: 1 C2H8O + 9 O2 (g) -> 6 CO2 (g) 8H2O (l) + 4012 kJ of heat energy a) How

    asked by Hanna
  62. oceanography

    One (1) kilogram of seawater (35‰) contains __ grams of dissolved salts and grams of water?

    asked by sarah
  63. science

    Urea forms a ideal solution in water. Determine the vapour pressure in an aqua solution containing 10 percent bymass at 40degree Celsius

    asked by priya
  64. Mathematics

    a retailing entrepreneur sells sophisticated running shoes whose weights are normally distributed with mean of 12 grams and a standard deviation of 0,5 grams. (a) what is the probability that a shoe weighs more than 13 grams (b) what must be the standard

    asked by Farai
  65. Math2

    IF (1/SinA)+(1/cosA)= (1/sinB)+(1/cosB) Prove that cot((A+B)/2)=tanA tanB Please helppppppppppp

    asked by A GOODSTUDENT
  66. Life Management

    "I'M RIGHT!" Casey and Anne are arguing over whether to go to a movie or go bowling. Anne thinks bowling is a bore and she doesn't want to go. Anne doesn't like sports activities of any kind, and therefore, feels Casey should just do what she wants to do.

    asked by Alice Keign
  67. Physics

    How much work must be performed by a hand or other such agent to move the 8kg block very slowly 10 cm to the right if the attached spring was initally relaxed? Let k = 200 N/m and mK = 0.5. Show the equation and the plug the numbers into the equation and

    asked by Anonymous
  68. algebra

    basic cellphone plan cost $20 per month for 60 calling minutes. Additional time costs .40 per minute. The formula gives the monthly cost for this plan C, for x calling minutes, where x > 60. How many calling minutes are possible for a monthly cost of at

    asked by lisa
  69. math

    On the blueprint of a house, 24 millimeters represents 5 meters. The length of the living room is 30 millimeters on the blueprint. What is the actual length of the living room?

    asked by black
  70. Science

    If a female dog has her tail cut off in an accident. A few months later, she has eight puppies. How many puppies were probably born with tails?

    asked by Callie
  71. Social studies 9

    Imagine a political candidate, Maria Gutierrez, Gutierrez has appeared on television as part of a multi-candidate debates. However, she is also invited often to discuss and debate views by herself on a popular news channel. 3. How will the news channels

    asked by Cat
  72. oceanography

    14C has a half-life of 5,730 years. If we start with 70 grams of 14C at time zero how many grams of14C will be left after three half-lives?_________

    asked by sarah
  73. PSU

    A 2.3kg stone is thrown from ground directly upward. the maximum height reached by the stone is 45m. Neglecting air resistance, a) with which initial speed was the stone thrown? b)what is the flight time of the stone until it hits the ground again? c)what

    asked by Abdelaziz
  74. algebra

    if sin alpha is 0.28° where 0° is less than or equal to alpha less than or equal to 90°, evaluate cos alpha, tan alpha, sec alpha, cosec alpha and cot alpha. please help, it's urgent.

    asked by liz
  75. Algebra

    A fitness club offers two membership options. The first option has an initial fee of $50 and then charges $30 per month. The second option has no initial fee but charges $40 per month. After how many months, x, will the first option be a better value than

    asked by Aimee
  76. cooking appliance

    a digital clock on small cooking appliance keeps time by

    asked by chris
  77. Calculus (answer check)

    The measurement of the radius of a circle is 16 inches, with a possible error of .25 inches. (Use differentials to approximate the possible propagated error and the percent error. Propagated error= 1.6% Percent error= 4.6%

    asked by Sarah
  78. Calculus (AC)

    Steve, you've been an amazing help. Thank you so much. This is the last question I need checked. Solve ∜82 using differentials. I got 3.00926

    asked by Sarah
  79. Physics

    Since moment of inertia is a scalar quantity, a compound object made up of several objects joined together has a moment of inertia which is the scalar sum of the individual moments of inertia. A) A wooden cylinder has mass m and radius R. To be used as a

    asked by Anonymous
  80. Math

    Every Wednesday is salad bar day at Ashley's school. The most popular ingredients are cherry tomatoes, cucumber slices, and shredded carrot. Last Wednesday, out of the 27 students in Ashley's class- 14 took carrot 13 took cucumber 16 took tomato 8 took

    asked by Victor
  81. Math

    I need two 12x23 feet of carpet for my basement at $6.00 per square foot. How much will this cost?

    asked by Alicia
  82. math

    Stanley has 3 times as much savings as Chole. Aaron has $38 less than Chole. They have a total savings of $2822. How much savings does Aaron have?

    asked by Anonymous
  83. math

    (MC) If the compound interest on $1000 for two years at 9% p.a., payable half-yearly is $x, find x. A) 1000x9/100x2 B) 1000(1+9/100)⁴ C) 1000(1+4.5/100)⁴ D) 1000(1+9/100)²-1000 E) 1000(1+4.5/100)⁴-1000

    asked by Anna Choi
  84. chem

    the relative molecular mass of molecule of chlorine is 72.which properties of the atoms in this molecule are the same

    asked by salma
  85. algebra

    company A charges $110 for the truck and $55 per hour for the movers company B charges $100 for the truck and $ 60 per hour for the movers create a cost equation for each company where y is the total cost and x is the number of hours of labor

    asked by HR
  86. Cal

    You plan to paint a sphere of radius 200 cm with a coat of pain .2 cm thick. Use differentials to approximate the amount of paint that is needed. Use the equation for the volume of a sphere. So far I have C=81, X=82, f(x)= x^1/4 and C-x = 1 (If correct)

    asked by Belle
  87. Calc

    Use spherical coordinates. Evaluate Triple integral SSSE where E lies between the spheres x^2 + y^2 + z^2 = 25 and x^2 + y^2 + z^2 = 49 in the first octant.

    asked by anon
  88. physics

    The work that a force does by acting on an object is equal to what? 1) the product of force (in the direction of motion) and distance and is negative if the force and motion are in the same direction 2) the product of force (in the direction of motion) and

    asked by Beth
  89. Chemistry

    What is the mass of water produced when 5 moles of hydrogen burn in the presence of excess oxygen?

    asked by Flaka
  90. algebra

    Find the pattern and fill in the missing entries. in(x) | out(y) | 23 2 | 8 -2 | -4 8 | 26 0 | ? ? | 302 1.5 | ?

    asked by Isabella
  91. Chemistry

    The solubility of KI in ethyl alcohol is 2.00 grams of KI in 100.0 grams of this alcohol. From this information, calculate the molarity of this solution.

    asked by Anonymous
  92. Maths

    Find a Square root of 7.66 correct to two decimal places

    asked by Yamini Shinde
  93. Maths

    Given That The Area Of Triangle AQR is 32cm^2 such that AQ=8,AB=14,AR=10 and CR=7.2,calculate the area of triangle ABC.Plz! Answer My Question And Its A Homework!

    asked by Sibonisile
  94. Math

    Use an example to describe the multiplicative relationship between two equivalent ratios

    asked by Adrianna
  95. Math

    Each student receives the same number of pencils and the same number of notebooks. This year she gave out 96 pencils and 72 notebooks. Which is the greatest number of students that can be in Ms. Thomas’s class this year?

    asked by amber
  96. Physics

    A ball of mass 8 kg moving with a speed of 2m/s and rebounds with the same speed.Determine the impulse experienced by the ball. (a)20.0kg/m (b)10.0kg/m (c)0.01kg/m (d)1.3kg/m

    asked by Wilsmister
  97. Physics

    A 150 kg body is at rest and covers the constant force needed to impart a velocity of 8m/s to it in 5s.

    asked by Wilsmister
  98. Spanish

    Jaylnn's Spanish Literature post.

    asked by SraJMcGin
  99. 8th Grade Pre-Algebra

    Find the value of the following expression: (2^8 ⋅ 5−5 ⋅ 19^0)−2 ⋅ (5-2/2^3)^4 ⋅ 2^28 (5 points) Write your answer in simplified form. Show all of your steps. (5 points) Please somebody help me I'm so confused. I know I'm supposed to use PEMDAS

    asked by Music Lover 14
  100. maths

    if platonic solid has 8 vertices and 12 edges calculate the number of faces

    asked by lucia
  101. Physics

    A bullet is fired with an initial speed of 200 m/s. If a target is 500ft away, at what angle should the rifle be raised in order to hit the target?

    asked by John
  102. Calculus

    A particle moves according to the equation of motion s(t)=t^2-2t+3 where s(t) is measured in feet and t is measured in seconds. Find the total distance traveled in the 3 seconds.

    asked by Audrey
  103. Science-physics

    A bottle weighs 35g when empty,95g when filled with water and 119g when filled with an organic liquid. What is the capacity of the bottle: A-60cm cube B-84cm cube C-130cm cube D-154cm cube

    asked by Matthew
  104. physics

    Sam and Sue are running side by side in a marathon. They are running at a constant velocity of 10 km h . What is Sue's relative velocity to Sam? A) 0 km/h B) 5 km/h C) 10 km/h D) 20 km/h

    asked by W
  105. Math (Grade 11)

    1) The measurement is 15.5, the tolerance is 5. Whats the precision, uncertainty, range, nominal value and precent error? 2) The measurement is 14.5, the tolerance is 6. Whats the precision, uncertainty, range, nominal value and percent error? 3) The

    asked by Kelly
  106. English

    Why was Span One unique? ( The Prisoner Who Wore Glasses )

    asked by Pool
  107. Biology

    In which type of cell does a cell plate form during cytokinesis? a. in plant cells b. in animal cells c. in plants and animals d. in all cells answer: d

    asked by Kimmy
  108. Statistics

    The Villopolis Parks Department has just installed 1900 new lightbulbs with an expected mean lifespan of 66 months and a lifespan standard deviation of 6 months. Assuming normally distributed bulb failure, how many bulbs will need to be replaced after 56

    asked by Jourdan
  109. Physics (Mechanics)

    A 905 kg car moves in a circle of radius 13.1 meters in a flat parking lot. If the car can travel at 9.1 m/s without slipping, what is the force of friction between each tire and the parking lot? What is the coefficient of friction between each tire and

    asked by Kevin
  110. Math

    The first pattern of triangles it uses 4 matches ( 3 matches for build a triangle and 1 matches for connected to other triangles). a)Find the number of triangles if there are 100 matches? b) write the formulas

    asked by Anonymous
  111. Math

    How many numbers between 100 and 200 can be expresssed as powers of 2? I have trouble with powers but I'm an A math student.

    asked by Hales
  112. Math

    keith went to the candy store and bought 2/6 of a pound of candy.8/10 of keiths candy was chocolate. how.many pounds of chocolate candy did keith buy?

    asked by Kara
  113. pre cal

    find B in [0,pi] and real number C such that cot theta= C tan(theta-B)

    asked by T-Money💰💎💰
  114. Science

    A sky driver jumps out of a plane and as he fall he has acceleration of 9.8 m/s squared. How many seconds will it take to reach a speed of 28.5 m/s?

    asked by Patricia
  115. Math

    1. Is square root of negative 10 irrational or rational? 2. Is 2.79797979... irrational or rational? I'm not very good at identifying irrational and rational numbers at least I tried too. 1. irrational 2. rational

    asked by Ras
  116. Math

    Find the number of foul shots Ryan made if he made 60% of the total shots he took I am not sure how to set up the problem

    asked by Stephanie
  117. Math

    What is 6th to the 7th power?

    asked by May
  118. Chemistry

    How to find mmol? this is for dilantin by multistep synthesis lab. using 350 mg of benzoin = mmol? using 160 mg NH4NO3 = mmol?

    asked by Denaiel
  119. Math

    Which of the following equations has an infinate number of solutions? A. 3x-3=-4x B. 2y+4-y=16 C. 7x+5=4x+5+3x D. 6y-2=2 (y-1) Is it D

    asked by Embershy
  120. math and science for Young children

    Lev vygotsky a contemporary of jean Piaget differed from Piaget in that

    asked by gege
  121. Financial Accounting

    On March 31 a post closing trial balance was completed On April 4, the business purchased a new truck on account. The residual value is $2400, and the estimated useful life is 5 years. How do I enter this information into a general journal? Do I even need

    asked by Michelle
  122. maths

    x sells an article to Y at a profit. Y then sells it to Z for $60 at a profit of 20%. If X had sold the article directly to Z for $60, how much MORE profit would he have made? A) $10 B) $12 C) $48 D) $50 E) It cannot be found.

    asked by Anna Choi
  123. math

    Write an addition story for two 3 digit numbers. Write your answer.

    asked by linda
  124. Algebra

    Solve the following equation: 9z^2+34=36z The solutions are:

    asked by Tony
  125. Algebra

    What is the solution to a two-variable equation? What are the ways to represent solutions to a two-variable equation?

    asked by Spetle
  126. Chemistry

    20cm3 of 0.1m sulphuric acid was required to react with 50.0cm3 of a solution of sodium hydroxide

    asked by Aliyah
  127. math

    Find the area of a circle of radius: a. 7cm b. 14cm c. 10.5 Use pi= 22/7.

    asked by niya
  128. Physical Science

    A bullet is fired with an initial speed of 200 m/s. If a target is 500ft away, at what angle should the rifle be raised in order to hit the target?

    asked by John
  129. science

    the volume of 50gram of a substance is 20centimetercube if the density of water is 1gram/centicentimetercube will the object float or sink

    asked by rahul sharma
  130. motor driven small appliance

    vacuum strength is rated in terms of

    asked by chris
  131. Algebra

    Find the pattern and fill in the missing entries. In (x) out (y) 23 2 8 -2 -4 8 26 0 302 1.5 Rule:

    asked by Bryan
  132. math

    The height of a triangle is 4 inches more than the base. The area of the triangle is 35 square inches. Find the base and height of the triangle.

    asked by troy
  133. Math

    Natatile has 138 DVD's and 419 CD's. If yu were to estimate the sum of the DVD's and CD's, what sentence could you write? Then find your estimated sum.

    asked by Amy
  134. English

    I want to go to London. It is ten miles form here. ------------------------------ Does 'it' refer to 'London'? Or does it refer to 'the distance' used as an impersonal pronoun? =============================== How far is it from here to the station? (Here

    asked by rfvv
  135. Chemistry

    What is the standard concentration of FeSCN^2+ if 18mL of 0.200M Fe(NO3)3 were combined with 2mL of 0.0020M KSCN?

    asked by Victoria
  136. Algebra

    If a rectangular solid has a volume of x^3+2x^2+x, what could represent the lengths of the sides? don't have a clue how to start

    asked by Megan
  137. Physics

    A point mass block slides without friction on the loop-de-loop track of radius R as shown. From what height h must it be released from rest in order to make it around the loop without leaving the track? Show the equation and then plug the numbers into that

    asked by Anonymous
  138. Algebra 1

    Simplify the difference (-7p^4+4p^3+6)-(3p^3-5p+3) I removed the parenthesis and changed the addition and subtraction signs to their opposites on the second set; -7p^4 + 4p^3 + 6 - 3p^3 + 5p - 3. When I combined the like terms, I was able to simplify the

    asked by Sami
  139. Chemistry

    Homework question? Colmanite [Ca2B6O11 * 5 H20] is a salt whose boron content gives glass high clarity. You are a buyer for an optical fiber manufacturer and want pure material. You have just received a Certificate of Analysis for a lot that is 12.8 +-

    asked by Timmy
  140. Math GRE

    A broker charged an average commission of 12 percent on two transactions: one for $600 and the other for $900. If his commission for the $900 transaction was 10 percent, what percent was his commission for the $600 transaction? A) 1% B) 12% C) 13% D) 14%

    asked by Marco Victoria
  141. English

    How far is it from this town to London? 1. It is ten miles to London. 2. It is ten miles away to London. 3. It is ten miles away. 4. It is ten miles from this town to London. ------------------- [Explanation] 1. It doesn't refer to 'this town' in #1. It is

    asked by rfvv
  142. Math

    What is the 23rd term of the sequence 2,4,6,8,

    asked by John
  143. Calculus

    Starting at t=0, a particle moves along the x-axis so that its position at time t is given by x(t)=t^4-5t^2+2t. What are all values of t for which the particle is moving to the left? (A)0

    asked by Mike
  144. 6th grade Math

    Can someone help me with this problem? if 80% of students Dr. the Bus driver. there are 410 students how many know the Bus driver. My answer is 310. is this correct ____ _80___ 410 100 32,800 divided by 80 = 410 410 - 100 =310

    asked by Tiffany
  145. Maths

    Let u=7^x. Using the rules for powers show that i) 7^x-1 = u÷7 and ii) 7^2x-1 = u^2÷7

    asked by Lauren
  146. Calculus

    Find the equation of the tangent line to the curve 2x^2y-3y^2=-11 at the point (2,-1).

    asked by Audrey
  147. Social Studies

    How did the Islamic empire spread so quick along with the religion?

    asked by Madeline
  148. Personal question

    How would you deal with someone that has been bullying you since fourth grade? I have talked to adults talked to councelors and I have talked to his mother who happened to be my fifth grade teacher yet he is still at it. I don't want to seem like a baby

    asked by Madeline
  149. Pyle

    Ramona has 2 cups of sugar and each brownie needs 3/8 cups of sugar. How many brownies can she cover with sugar?

    asked by Tiara
  150. statics

    A1. Miss Dombo, a Ticketing Manager with an Airline ying international routes, has realised that not all passengers show up for their reserved seat. It is clear to her that each passenger's behaviour is independent of the other. Having xed the chances of a

    asked by TINASHE
  151. History

    How were third-wave empires different from those of earlier periods? *

    asked by Anonymous
  152. geography

    during what period of time did global interdependence first emerge

    asked by Anonymous
  153. lego robotics

    WHY DID THEY NOT LET ME IN!!!!!?????

    asked by zachary
  154. Algebra

    One number is three times the another number. If both numbers are positive and their product is 27, find the numbers

    asked by Chloe
  155. algebra

    pedro and juan can do a piece of work in 3( 3)/(7) days. if pedro works in 3 days and juan in 4 days, they will finish the work. find the time required by each to do the work.

    asked by irish
  156. Math

    Mei is at the store buying cheese. The cost of the cheese is $0.28 per ounce. She buys 11 ounce of the cheese how many much money does mei spend on the cheese?

    asked by Jenny
  157. Math

    A writer was paid $27,000 for a 3,000-word article. Find the rate per word

    asked by Jenny
  158. Physics

    What the hell are u teaching people!!! :)

    asked by Chris
  159. Math

    How can knowing associative property help you compute 2x8x2 mentally

    asked by valerie
  160. Elementary Stats

    A box contains two red balls, four green balls, and two white balls. You extract balls from the box with replacement 100 times. Eachh time you extract a red ball, you win $1; a green ball, you lose $0.50; a white ball, nothing happens. -Make a box model of

    asked by Timmy
  161. Physics

    A ball of mass 8 kg moving with a speed of 2m/s and rebounds with the same speed.Determine the impulse experienced by the ball.

    asked by Anonymous
  162. Math

    How do you use associative property to compute 2x8x2 mentally

    asked by Anonymous
  163. Math

    I'm estimating each product of fractions and whole numbers. I need to understand the steps to find the answers..... example: 5/7of22?

    asked by Anonymous
  164. Maths

    A records voltages from 0 volts to 20 volts. If the average value for three readings on the meter was 16 volts, then what the smallest number possible reading, in volts?

    asked by Anonymous
  165. math

    Andy finished his job 50% more work then Ali in the same amount of time. Both of them take 10 hours to finish a job. How many hours Ali to finish the same job?

    asked by Anonymous
  166. Calculus

    Find the slope of x^2-16xy+y^2=1 at (1,1). Is this -1?

    asked by Anonymous
  167. English

    I need to find some interesting articles or videos or anything.. for my English class. My class is not for native speakers (ESL class). Can you please give me some interesting sites that have articles or videos or anything for class discussion??

    asked by Hama
  168. Math

    Just by reading the steps I am lost please if someone can help me i am studying for a quizz on Friday but I want to undestand . All I understand is the meaning I can see any expression multiplied by 1 is equivalent to original expression but I am lost with

    asked by Jessica
  169. Math

    Find the value of the following expression: (2^8 x 5^-5 x 19^0)^-2 x (5^-2/ 2^3)^4 x 2^28 Can someone show me the steps on how to solve this?

    asked by CCB
  170. Math multiplicative identity

    Can someone please explain to me how they got this . I keep breaking my head using multiplicative identity 5/3 ×6/6=30/18

    asked by Jasmin
  171. Chemistry

    A gallon of isopropanol (IPA) weighs 6,55 lbs. Since 1 lb=453.6 grams, calculate how many moles of ethanol (MM=60.1 grams per mole) are in a gallon of this substance.

    asked by Anonymous
  172. Math

    Santo has 14 yellow markers. He has twice as many blue markers as yellow markers. He has twice as many red markers as blue markers. How many markets does he have in all?

    asked by Anonymous
  173. maths

    By making the substitution u=7^x and using part a, derive a hidden quadratic equation 7^(2x-1) +4×7^(x-1) -1/14 =0 and hence find all of the solutions to the above equation.

    asked by Lauren
  174. maths

    By making the substitution u =ln x show that the following equation has exactly one real-number solution: -12/ln x +ln x^4 = -9

    asked by Lauren
  175. History

    interaction between states and civilizations occurred to a greater extent than ever before in the third wave civilization period---is this a change or a continuity? * Change?

    asked by Anonymous
  176. Differential calculus

    Differentiate the following y=root(e^x)/x

    asked by Mohammed
  177. Math

    Find the unit rate 396 km in 6 hr

    asked by Jenny
  178. physics

    A block with a mass of 0.306 kg is attached to a spring of spring constant 444 N/m. It is sitting at equilibrium. You then pull the block down 4.50 cm from equilibrium and let go. What is the amplitude of the oscillation?

    asked by taylor
  179. Algebra

    What is the solution to a two-variable equation? What are the ways to represent solutions to two-variable equation?

    asked by Spetle
  180. maths

    what time on Friday is 10 hours 47 minutes before 09:26 on Saturday exactly on 24-hours watch?

    asked by Anonymous
  181. Math

    Miguel has 325 baseball cards and 272 football cards. He said that he has 597 cards in all. Is his answer reasonable? Explain using estimation

    asked by Amy
  182. Math

    If my input is 0 and output is blank then my input is 1 and output 2 then input 3 output 22 input 4 output 32 how do i find the first output that is blank?

    asked by Morgan
  183. Easy Algebra Equation

    5-2(x+6)=14 Solve for x. I got 10.5 but the check won't come out right???

    asked by Konkel
  184. English

    Thank you for your help. I have posted one more time about the use of 'it.' 1. The station is 50 meters away. 2. The station is 50 meters. 3. It is 50 meters away. 4. It is 50 meters. 5. The distance is 50 meters away. 6. The distance is 50 meters.

    asked by rfvv
  185. Math

    If john walks 3 miles every day how many miles will he walk in 9 days

    asked by Ahtesham
  186. common core math


    asked by barbara
  187. Math

    alicia rides 25% of a 100 mile trip the first day. she rides 331/3% of the remaining distance the second day.whatpercent of the original distance dose she have ride to finish her trip

    asked by Austin
  188. Math

    Find the unit rate: Jim roller skates 12 miles in 2 hours.

    asked by Amy
  189. Social Studies

    Our government is divided into three of these.....what

    asked by Rayleigh Dorris
  190. Math

    If divided by 7. The remainder is 3. If divided by 4, the remainder is 0. It is less than 30

    asked by Josh
  191. English

    1. Ulleongdo is 87.4 km away from Dokdo. 2. It is 87.4 km away from Ulleongdo to Dokdo. 3. It is 87.4 km from Ulleongdo to Dokdo. (Are they all grammatical?)

    asked by rfvv
  192. math

    if the diameter of circle is 18 inches what is the length in inches of retangle

    asked by monie
  193. math

    How many different single-scooped ice-cream you can have, if there is 6 flavors and 3 different cones?

    asked by bella
  194. maths

    2a third divide by 1 Five divide

    asked by Geocha
  195. Differential calculus with analytic geometry

    use implicit differentiation to find dy/dx. xy^2+4y^3=x-2y

    asked by Mohammed
  196. Math

    a parking lot has 66 parking spaces. If there are 16 more compact spaces than regular spaces. How many spaces are there for compact cars?

    asked by John
  197. Maths

    in a class of 73 children, 43 play bowling, 44 play softball and 17 play neither sport? How many play only bowling?

    asked by Anonymous
  198. math

    if a 12 ounce can of beans cost .59 how much does one ounce cost .59/12=.04

    asked by Taylor
  199. math

    5x - 5y = -5 4x + 2y = 20

    asked by Teresa
  200. Math

    What is 12 × 12

    asked by Diane
  201. math

    12 ounces of corn costs .59 16 ounces of corn costs .81 which is the better by .59/12=.04 .81/16-.05

    asked by Taylor
  202. Math


    asked by John doe