Questions Asked on
March 22, 2017

  1. Math

    segment jk has coordinates j(3 -6) and k(-3 2) when segment jk is dilated with a scale factor -4, what are the coordinates of J' and K'? J'(7,-2) and K'(1,6) J'(-12,24) and K'(12,-8)

    asked by Jass
  2. Math

    By picking a natural number randomly up to 100 find the probability of the number being a perfect cube

    asked by Eliyaz elllu
  3. Maths

    the angles of of evolution of the top of a hill from the City centres of two towns on either side of the hill are observed to be 30° and 60° respectively. if the distance of hill of the top from the city centre of first is 9 kilometre find in

    asked by Angel
  4. Math

    If you have 2 balls in your mouth, and 3 men come in. How much balls do you have in your mouth?

    asked by Anonymous
  5. Math

    You can register a pickup truck as a passenger vehicle if the truck is not used for commercial purposes and the weight of the truck with its contents does not exceed 8500 pounds. Your pickup truck weighs 4200 pounds. Write an inequality to represent the

    asked by Anonymous
  6. Math

    Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels at 75 miles per hour. The westbound train travels at 65 miles per hour. How long will it take for the two trains to be 196 miles apart?

    asked by Marz
  7. Geometry

    The cost of the wood is $34 per square foot.The units in the graph are in feet. How much will it cost to create the deck? 8'x 8' 1/2"

    asked by Victoria
  8. Physics

    A spring is compressed a distance of 'x' stores 500J of energy. How much energy is stored in the spring if it is compressed a distance of 4x?

    asked by kiddo
  9. Calcalus

    If ln(x^2-15y)=x-y+5 and y(-4) by implicit differentation = Thus the equation of the tangent line to the graph at point (-4,1) is y=

    asked by Rileigh
  10. Chemistry

    A store receives a shipment of defective balloons. Each has a tiny pinhole of the same size. If one balloon is filled with helium and another is filled with air to the same volume and pressure, which balloon will deflate faster and how much faster? The

    asked by Emily
  11. physics

    Agalvanometer of resistance 25 ohmes shows full scale deflection for current​ of 10mA, to convert it into 100 V range voltmeter , the required series resistance is

    asked by Ratnesh upadhyay
  12. maths

    3. Suppose a bookcase shelf has 5 Mathematics texts, 3 Biology texts, 6 Chemistry texts and 4 Physics texts. Find the number n of ways a student can choose: a. one of the texts; b. one of each type of text.

    asked by roze
  13. Math

    I am confused on this. Can anyone show me where to start on how to solve it? Given the cipher and function below, decode the following message: 14-2-21-9 10-20 7-22-15 Function: f(x)=2x-2 Cipher A=2, b=4, c=6, d=8, e=10, f=12, g=14, h=16, i=18 j=20, k=22,

    asked by Math
  14. Maths

    You own a bicycle shop. There are 79 tyres and 35 seats. How many tricycles are there? Please help???

    asked by Sm
  15. oop

    2. Write a program to let the user capture personal details : names, address, telephone, age, city, then display them. Use both “readline” and “showInputDialog” functions.

    asked by shirley
  16. Maths

    Determine the profit function P(x), if the revenue function and cost functions are R(x)=70x-1000 and C(x)=30x+1000 respectively. Also find the break-even point.

    asked by Lettiey
  17. math

    the difference between two fractions is 1/10. the smaller fraction is 4/7. what is the sum of the two fractions?

    asked by ronalyn
  18. Physics

    A car is traveling on a level horizontal rode comes to a bridge during a storm and finds the bridge washed out. The driver must get to the other side, so he decides to try leaping it with his car. The side of the road the car is on 21.3m above the river,

    asked by Mark
  19. Physics

    A car is traveling on a level horizontal rode comes to a bridge during a storm and finds the bridge washed out. The driver must get to the other side, so he decides to try leaping it with his car. The side of the road the car is on 21.3m above the river,

    asked by mark
  20. trigonometry

    two angle of a triangle are 38 degree 27 minutes and 48 degree 42 minutes, respectively. if the longest side of the triangle is 256.6 cm ong find the length of the shortest side.

    asked by frances
  21. trigonometry

    a lighthouse A bears N 36 degree 20 minutes E at a ship S. after sailing 2.75 km in the direction N 78 degree 50 minutes E to point T, the bearing of the lighthouse becomes N 8 degree 30 minutes E. find the distance from A to T.

    asked by frances
  22. physics/maths help damon or steve or scott

    A body moves in a straight line,with initial velocity and uniform acceleration.find how far it travels in 12sec.,given that it travels 246m in the first 6 sec.,and 69m in the last 3sec.find the initial velocity. Please show step

    asked by weryiyemi
  23. English

    1. The drinks are on the house. 2. Beer is on the house. 3. You meal is on the house. 4. Dinner is on the house. 5. The pie is on the house. --------------------------- Are they all grammatical? Why do you use 'house'? Don't you use 'restaurant'?

    asked by rfvv
  24. math

    I am looking at following question: Anna is 1.8m tall and her pet flea is 1.8mm tall. How many times is Anna taller than her pet flea? the answer of the book is 1.8x1000/1.8=1000 but I am afraid that it is not correct. it should be that Anna is 1000 times

    asked by Jianguo
  25. English

    1. Lunch is on me. 2. What do you mean by "lunch is on me"? 3. I mean I will pay for the lunch. 4. Thanks a lot. I really enjoyed the lunch. Then ice cream is on me. ------------------------ In #3, why is 'the lunch' used? In #4, 'the lunch' is used. Why

    asked by rfvv
  26. Science

    Two students discover that 500g of water occupies a volume of 50mL. Is this result correct? Explain your answer.

    asked by Anonymous
  27. English

    1. Lunch is on me. 2. I'll buy you lunch. 3. I'll take you out to lunch. ------------------------------- Are they all the same in meaning? Is 'lunch' in #3 used as a verb? 4. Long time no see. 5. It's been a long time. 6. I haven't seen you in ages. 7.

    asked by rfvv
  28. Maths

    A number is as much greater than 28 as it is less than 42.find the number

    asked by Finney
  29. English Grammar

    Please kindly help me to correct the usage in the sentence below. 1. Teacher: Can you explain to me when you _learn____ the Past Simple & the Present Perfect? Learn Utilise Use Adapt 2. Student: I think the Past Simple is for a ___definite__ time in the

    asked by gin
  30. english grammar

    please kindly help me to correct the usage in english grammar. 1. Teacher: So what do you know __about___ prepositions? From At In About 2. Student: Well I know that they usually come _before___ nouns. On After Under Before 3. Teacher: Very good. Which do

    asked by gin
  31. math real and complex numbers lesson

    (7,-9)+(3,5)

    asked by Anonymous
  32. Physics

    Find the centripetal acceleration of a car that rounds an 80 m radius curve at 10 m/s.

    asked by Anonymous
  33. maths

    find x so that the length of the segment joining the origin to (x,8)is 10

    asked by khullak khamba Maring
  34. Icd10

    A patient presents with hypertrophic scarring to her chin from a burn received one year ago. Scar management has failed. What ICD-10-CM codes are reported? Select one: a. T20.03XA, L90.5 b. T20.03XA, T20.03XS, L91.0 c. L90.5, T20.23XA d. L91.0, T20.03XS D

    asked by Michelle
  35. Math

    Find the area of the circle.Use 22/7 as pi. this is 6th grade work sorry i have been stuck for an hole hour

    asked by Triston
  36. science

    A person claps his hands near a cliff and hears the eco after 2 seconds if the speed of the sound in air is 340m/s find the distance of the cliff from the percent

    asked by shruthi
  37. Precalculus

    Evaluate the given expression: d/dx[5(x^2 + 3|x|)] Any help with this is appreciated!

    asked by Amanda
  38. biology

    a)what are the main similarities b/n cholera and typhoid?

    asked by guto
  39. physics

    a car acclerate uniformly from rest andattains a speed of 40m/sin 10second itcoversa distanceof

    asked by musawwiralam
  40. Math

    Which of the following equivalences is true? x^2 ≥ 0 ⇔ (x+1)^2 ≥ 1 x^2 ≥ 0 ⇔ x^2+1 ≥ 1 x > 0 ⇔ x^2 > 0 x^2 > 0 ⇔ x^2+1 ≥ 1 x ≥ 0 ⇔ x^2 ≥ 0

    asked by Anon
  41. Science Ecology

    List at least three ways in which Grassland and Tundra biomes are similar.

    asked by Parker
  42. PLEASE HELP AND HURRY

    If M 3 = 42°, what is m

    asked by SALTY beanz
  43. Chemistry

    PbO2 + 2H2 = Pb + 2H2O If 478g of lead doixide is heated, what is: a. the number of moles of lead dioxide used? b. the number of moles of lead produced? c. the mass of lead produced? I am stuck.... please help!!

    asked by bobthebuilder
  44. Math

    1.-5+3=__ a.-8** B.-3 c. 2 d. 8 2. Select the word that best completes the statement The sum of two integers is ____ Postive a. Always B. sometimes** c. never 3. 16 +(-9)= a. 7 b. -7** c. 25 d.-25 4. -14+(-18)= a. -4 b. 4 c. 32** d. -32 NEED FEEDBACK ASAP

    asked by Bill Shrum
  45. social studies

    what can be inferred about how elizabeth cady stanton's personal qualities affected the women's suffrage movement?

    asked by bella
  46. Social Studies

    Which of these are part of the estate's water system? aviary wrestling grounds baths colonnade

    asked by Someone who needs help
  47. Calculus

    What is the function y (x) if it statisfies Y"=6 y'(1)=4 and y (1)=6

    asked by Idontknow
  48. Social Studies

    Which of the following events led to the Korean War? A. the invasion of Japan into Korea B. the sending of UN forces into Korea to assist South Korea C. the formation of the Demilitarized Zone D. the division of Korea between the Soviets and Americans I

    asked by Anonymous
  49. Social Studies

    4. Tiberius and Gaius Gracchus wanted to give women the right to vote. give land to the poor. take over roman government. free all enslaved people. 5. Roman rulers helped unify the empire by granting every free person _______ in AD 212. citizenship money

    asked by Someone who needs help
  50. math

    You invested money into two funds. Last year,the first fund paid a dividend of 8% and the second a dividend of 5%, and you received a total of $1330. This year, the first fund paid a 12% dividend and the second only 2% and you received a total of $1500.

    asked by Kate
  51. Math

    Find the equation for the tangent line to the curve at the point defined by the given value of t.also find d²y/dx² at this point x=SECt, y=TANt,where t=π/4.

    asked by Abdullah11
  52. math

    find the missing dimension of a rectangle prism with the volumn of 120 cubic feet a width of 4 feet and the length of 4 feet

    asked by calese
  53. Social Studies

    6. To lessen the effects of inflation on the economy, Rome put _____gold in it's coins in the AD 200s. no only less more

    asked by Someone who needs help
  54. Social Studies

    7. To which city did constantine move the capitol of the roman empire? Sardinia Galilee Cairo Byzantium

    asked by Someone who needs help
  55. Physics

    A square-shaped loop carries current I. What is the magnitude and the direction of the magnetic field at point P, which is located on the bottom segment of the loop? Each side of the square loop has length d. The answer should be given in terms of d, I,

    asked by Alice
  56. Math

    If you are flying to a city 400 miles away, what will be the difference in flight times between flying into a 40-mph headwind and flying with a 40-mph tailwind if the plane's maximum speed with no wind is 160 mph?

    asked by Megan
  57. Math

    Have you ever been on an airplane and heard the pilot say that the plane would be a little late because it would be flying into a strong headwind or that even though the plane was taking off a bit late, you would be making up time because you would be

    asked by Megan
  58. Math

    Solve: - (square root) x^2

    asked by Deonte Jefferson
  59. Ruwaydah

    This is my hw, however i do not know to put these quotations in my sentences can someone help me? and please do not copy this!I repeat I have recently read Liane Beam Wansbrough’s article on the topic of cosmetic plastic surgery, and I am writing to

    asked by ASAP
  60. Math

    Find the equation for the tangent line to the curve at the point defined by the given value of t.also find d²y/dx² at this point x=SECt, y=TANt,where t=π/4.

    asked by Abdullah11
  61. English

    one only has to read the daily papers to acknowledge the numerous unnecessary cosmetic operations which have resulted in permanent disfigurement. Does this make sense?

    asked by ASAP
  62. English

    Introducing cosmetic surgery to vulnerable adults and teenagers is cruel at best and without a doubt immoral. Beauty should not be taken so seriously that it effaces personality. Unfortunately, we are living in a world that is image obsessed and the kind

    asked by ASAP
  63. Math1

    Find a bank account balance if the account starts with $100 , has an annual rate of 4% , and the money left in the account for 12Yrs. This is a Exponential growth word problem.

    asked by Rocky
  64. chemistry

    calculate the heat of formation of methane given the heat of combustion of C,H2 and CH4 as-393,-285 and -887kj per mol respectively.

    asked by halima
  65. Math

    A girl starts to walk to her school, which is 20 miles away, at 6:50 and at a rate of 3 miles per hour. After a while, her dad picks her up and drives her through the remainder of the way at 30 miles per hour. If they arrived at school at 9:00, how far did

    asked by Scarlet
  66. calculus review please help!

    1) Find the area of the region bounded by the curves y=arcsin (x/4), y = 0, and x = 4 obtained by integrating with respect to y. Your work must include the definite integral and the antiderivative. 2)Set up, but do not evaluate, the integral which gives

    asked by Danni
  67. algebra 1

    3. A ball is thrown into the air with an initial upward velocity of 46ft/s. Its height (h) in feet after t seconds is given by the function h = -16t^2 + 46t + 6. After how many seconds will the ball hit the ground? A. 3 B. 4 C. 5 D. 6 I think D, if i'm

    asked by Ralf miles
  68. statistics

    a survey from teeneage research unlimited found that 30% of teenage consumers receive their spending money from parttime jobs. If 5 teenagers are selected at random, find the probability that at least 3 of them have part time jobs

    asked by samuel
  69. Science

    Which of the following would best explain why a species of wildflower native to Switzerland is observed growing in the wild in Montana?

    asked by Bliss
  70. Math1

    Bacteria can multiply at alarming rate when each bacteria splits into two new cells , thus doubling. If we start with only one bacteria which can double every hour , how many bacteria will have by the end of one day?

    asked by Rocky
  71. math

    find the area of a triangle i dont have a pic so ill just tell you the measurements 5.5m, 6.9m, 4.9m choices: a. 16.5m2 b.11.55m2 c.23.1m2*** d.4.85m2 is my answer correct if not please explain how to do it

    asked by worthless
  72. math

    how do you write 700,000,000+2,000,000+80,000+90 in standard form

    asked by see
  73. Math

    If a baseball and bat cost $110, and the bat costs $100 more than the ball, how much does the ball cost? I don't get it i say it's 10 but its not its 5 YYYYYYYYY

    asked by Daniel
  74. Algebra

    Use associative property to rewrite the expression z+(a+b)

    asked by Seresa
  75. la

    which of the following is considered plagiarism A. adding footnotes B.presenting your own opinion C.including a works cited page D.directly quoting without providing the source

    asked by Anonymous
  76. 4th grade math

    Aidan mixes 630 milliliters of blue paint w/2 liters of red paint to make purple paint. How many milliliters of purple paint does Aidan have?

    asked by Carla
  77. physics

    A wheels is turned at prequency at 2.0 revelation per second and then is allow to come to rest. If it those so in 30sec ? How far did it turn in aprocess

    asked by Uzairu
  78. Math

    Marissa pours one and a half cups of punch in each class how many fluid ounces each serving

    asked by Gabe
  79. algebra

    Solve: 4/s = -2/9 The answer is -18 Show work of how to get -18 Thank you!!

    asked by Kyle
  80. Math - Rate Of Change

    What does it take to win a tug of war? PUNCHLINE • Algebra • Book A 2006 March Mathworks

    asked by Anonymous
  81. Maths

    factorise 2x^3+432

    asked by Adeline
  82. Algebra

    How do I prove this statement? sin^-1(sin Ø) = Ø I can't figure out how I would go about proving it. Any help is appreciated.

    asked by anon358
  83. Ethics

    Is there an ethical right to health care? If so, what are the practical consequences of concluding that this ethical right exists? I believe so but not too sure

    asked by Anonymous
  84. Chemistry

    Calculate the enthalpy of formation of carbon dioxide in the following reaction: C(s) + O2(g) -> CO2(g) Use the following equations: a) H2O(l) --> H2(g) + 1/2 O2(g): ΔH° = +285.8 kJ/mol b) C2H6(g) --> 2C(s) + 3H2(g): ΔH° = +84.7 kJ/mol c) 2CO2(g) +

    asked by anon
  85. Physics

    A square-shaped loop carries current I. What is the magnitude and the direction of the magnetic field at point P, which is located on the bottom segment of the loop? Each side of the square loop has length d. The answer should be given in terms of d, I,

    asked by Please help!
  86. Math

    a box contains red markers ,blue markers amd green markers . there are more blue makers than red .the probability of randomly selecting a blue marker from the box is 1/5 . that is a possible probability that a randomly selected marker from he box is red?

    asked by Jordan bell
  87. math

    calculate the first ten term of an Arithmetic progression whose 5th term is 24 and the difference the 7th and 10th term is 15

    asked by Lazarus
  88. Math1

    Find a bank account balance if the account starts with $100 , has an annual rate of 4% , and the money left in the account for 12Yrs. This is a Exponential growth word problem.

    asked by Jordan
  89. Chemistry

    Write an equation for the half-reaction in which a potassium atom, K, is oxidized. A) K + e- ----> K+ B) K ----> K+ + e- C) K- ----> K+ + 2 e- I think A

    asked by M, S, E
  90. Math1

    The population of Winnemucca, Nevada , can be modeled by P=6191(1.040^t where t is the number of years since 1990. What was the population in 1990? By what percent did the population increase by each year?

    asked by Jordan
  91. Chem

    How does water's shape make it a good solvent

    asked by Anonymous
  92. Math

    Gina ate 1/6 of an apple pie.Greg ate 1/2 of the same pie.How much of the apple pie was left?

    asked by Ileana Rivera
  93. Physical science

    Explain why an endothermic reaction might cause a drop in temperature.

    asked by Emily
  94. Math

    If a small airplane flew 490 miles to San Antonio, Texas and the flight took 2 hours and 48 minutes, what Was the rate at which the jet Was flying

    asked by Low
  95. Math1

    In 1985, there were 285 cell phone subscribers in the same small town of Centerville. The number of subscribers increased by 75% per year after 1985. How many cell phone subscribers were in 1994?

    asked by Jordan
  96. Social studies

    The indigenous people of the prairie provinces were strongly dependent on the buffalo herds for survival.

    asked by The prairie provinces
  97. Chemistry

    Which elements have the greatest tendency to behave as oxidizing agents? A) metals B) nonmetals I think the answer is B.

    asked by M, S, E
  98. math

    jennifers pool is 8m deep and has a radius of 5m. the pool is half full....How many ml of water is in the pool.

    asked by Emma
  99. math

    the circumference of the circle 12.5m. what is the area of the shaded region

    asked by Emma
  100. Chemistry (Ochem)

    I know that there is such thing as inversion of stereochemistry,but is there such thing as inversion of stereocenter? Are stereocenter and stereochemistry the same thing or mean the same thing? Thank you, Vivian

    asked by Vivian
  101. Math(PLEASE HELP ME ASAP)

    5/100 = 30/x solve for x

    asked by Young Trippy Lil G
  102. algebra 6th gr

    A triangle & a rect. have the same area. the base of the triangle is 12 ft & the height is 5 ft. If the rect. has a length of 10 ft, what is the rectangle width. This one is confusing, can someone help me please

    asked by Asheli
  103. Chemistry help!!

    Calculate the concentration of a solution prepared by adding 15.00 mL of 2.10 X 10^-3 M KMnO4 from a buret into a 50.00 mL volumetric flask, which is then filled to the 50.00 mL graduation mark with distilled water.

    asked by Lyndsay
  104. Math

    Mark put $3290 into a bank that offered 3% interest rate compounded monthly. Mark kept the money in this account for 9 years and then moved all this money to a new account that offered 6% interest rate compounded weekly. Do not round any numbers until you

    asked by Adam
  105. math

    Zeb is going to deposit $3370 into an account that earns 14% APR compounded annually for 37 weeks. What is the "n" in the compound interest formula? n= What is the "t" in the compound interest formula? Enter as a fraction. years What is the "nt" in the

    asked by Adam
  106. Math

    Solve without the use of a calculator: sin20(tan10+cot10) I know it should equal two but I don't know how to get there

    asked by bLUE
  107. Algebra 1

    Multiply the binomial and trinomial (x-2)(x^2+2x+4) Can someone please help ? I do not understand what to do. Thank You

    asked by Help please
  108. Physics

    Let F1=10i-15j-20k,F2=6i+8j-12k. Find their dot product and the angle between those two vectors

    asked by Anonymous
  109. Math PLEASE HELP!

    1.Suppose that the function f(x) = 7x + 2 represents the number of cars that drive by in x minutes. How many cars will drive by in 10 minutes? a. 27 b. 70** c. 72 d. 90 2. Buses on your route runs every 11 minutes from 7:00am to 11:00am. You arrive at the

    asked by Oreo Chips
  110. math

    hi I reposted this question to see if I would get the answer the person who posted this one last time says that 9sqrt3 is wrong (and I check if they were right) do here is the question again Given: ∆PQR, m∠R = 90° m∠PQR = 75° M ∈ PR (meaning that

    asked by Grace
  111. Mathhhhh

    There are 260 skittles but only 133 were eaten. How do I find the percentage of what was eaten?

    asked by Kim
  112. math

    A rectangle has a length of 9inches and a height of 1.5 feet. What is the area of the rectangle in square feet?

    asked by Cassidy
  113. Bio

    What are the starting molecules for each step of cellular respiration? I know the steps are glycolysis, pyruvate processing, citric acid cycle and electron transport/chemiosmosis

    asked by Jae M.
  114. Maths

    Use lagrange multiplier to find greatest and least distance from point (2,1,-4) to ellipsoid x^2 +5y^2 +z^2 =1. I tried solving it but i got a polynomial to power 4. Its too long to post my working so ill just dropbox it.

    asked by Elven
  115. science

    What are some ways (at least two) that cells can increase their (Unicellular and multi-cellular organisms) surface area to volume ratio without splitting into multiple cells? I am having trouble finding information on the ways.

    asked by Sarah
  116. Statistics

    Billy Isastar, a famous basketball player, is not a very good free throw shooter. He manages to connect on 65% of his attempts. What is the probability that the first free throw Johnny hits in a game is on his fourth attempt? a. .015 b. .028 c. .179 d.

    asked by Ariel
  117. Math1

    Bacteria can multiply at alarming rate when each bacteria splits into two new cells , thus doubling. If we start with only one bacteria which can double every hour , how many bacteria will have by the end of one day?

    asked by Jordan
  118. statistics

    41% of the student body at Urban High are "cool". Mr. Uppity has devised a test for determining if a student is "cool" or not. What is the average number of students Mr. Uppity needs to test in order to find one who is "cool"? a. 3 b. 3.57 c. 2.43 d. 1.44

    asked by anna
  119. ap

    What is the most accurate description of human nature?

    asked by robert
  120. geometry

    find the perimeter of a regular octagon with an area of 80 m and an apothem of 5m

    asked by sanjana
  121. calculus

    Equilateral hexagon is revolving around one of its edges. Find the volume of the solid of revolution. no idea how to do this can someone please help!!! urgent!

    asked by eliz
  122. S.S(PLEASE HELP ME ASAP)

    Explain the split between the Shiites and the Sunnis

    asked by Young Trippy Lil G
  123. Science please help

    What are some ways (at least two) that cells can increase their (Unicellular and multi-cellular organisms) surface area to volume ratio without splitting into multiple cells? One way that cells can increase their surface area to volume ratio without

    asked by Sarah
  124. Science

    Which of the following would have more thermal energy? 200 mL of water at 100 degreesC or 100 mL of water at 100degreesC

    asked by Logan
  125. Math - Calculus

    You are given 1200 cm^2 of cardboard to make a box with a square base and an open top. Find the largest possible volume of the box.

    asked by Sammy
  126. Calculus

    Let f(x)=αx^2+βx+γ be a quadratic function, so α≠0, and let I=[a,b]. a) Check f satisfies the hypothesis of the Mean Value Theorem. b)Show that the number c ∈ (a,b) in the Mean Value Theorem is the midpoint of the interval I.

    asked by Makenna
  127. Chem: please help

    Calculate the concentration of a solution prepared by adding 15.00 mL of 2.10 X 10^-3 M KMnO4 from a buret into a 50.00 mL volumetric flask, which is then filled to the 50.00 mL graduation mark with distilled water.

    asked by Sam
  128. Chemistry

    A 32.3 g iron rod, initially at 22.4 ∘C, is submerged into an unknown mass of water at 62.9 ∘C, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 59.4 ∘C.

    asked by Anonymous
  129. Math

    a shark jumps out the water. Yhe function f(x)=-16x^2+21x models the shark's height, in feet, above the water after x seconds. How longis teh shark out of the water

    asked by Maria F.
  130. Statistics

    A person has money worries and decides to invest in the computer industry. They want to know how the value will change over time. They used an exponetial regression model where the predictor is time in months and the response var is money measure in

    asked by Anonymous
  131. Statistics

    You look at the relationship between how much time people spend on the website ‘Bookface’ and how productive they are at work. time spent on Bookface is the predictor variable, and time spent working is the response variable. correlation between

    asked by claire
  132. Math

    Talor is building a birdhouse for his backyard. He needs a piece fo wood that is 8 inches long and 6 inches wide. What is the area of the piece of wood tayler needs

    asked by David
  133. English

    1. My hobby is watching a musical. 2. My hobby is watching musicals. 3. My hobby is watching a baseball game. 4. My hobby is watching baseball games. --------------------------------- Which ones are commonly used? Do we have to use the singular form or the

    asked by rfvv
  134. English

    1. Are there any volunteers who can recite all the sentences on the page? 2. Are there any volunteers that can recite all the sentences on the page? (Are both OK? Do we have to use 'who' or 'that' in the sentences?)

    asked by rfvv
  135. Math

    The speed of light is 3x10^8 m/s. If the sun is 1.5 x10^11 meters from the earth, how many seconds does it take light to reach the earth?

    asked by Emma
  136. Language arts

    What does "SCS,F,S,SCV,CD,CX"?

    asked by Paige
  137. Science

    What are some ways (at least two) that cells can increase their (Unicellular and multi-cellular organisms) surface area to volume ratio without splitting into multiple cells?  One way that cells can increase their surface area to volume ratio without

    asked by Sarah
  138. Language Arts 7

    NEED HELP ASAP!!!!! Has anyone read "Two Kinds" from The Joy Luck Club? Need my answers checked please;) 1.) In "Two Kinds" why does the mother take her daughter to the Mission district to get her hair curled? a.)She wants her daughter to look more

    asked by Palena
  139. Math

    Jamie used a microscope to measure the diameter of a hair. She found that the diameter of the hair was 0.000072 meter. How is this number written in scientific notation? I know the answer is 7.2 times 10 exponent -5 but can someone tell me the steps

    asked by Bubbles
  140. 6th grade AC math. Rates? I think

    1 lap around a track = 1/5 of a mile. A horse horse ran a total of 3 laps in 1 minute and 30 seconds. What's the horses average speed in miles per Minute? I've tried so hard all I can come up with is 1/5 of a mile per each 1/2 minute (30 seconds) is that

    asked by Anna
  141. chemISTRY

    A hot lump of 33.2 g of copper at an initial temperature of 70.5 °C is placed in 50.0 mL of H2O initially at 25.0 °C and allowed to reach thermal equilibrium. What is the final temperature of the copper and water given that the specific heat of copper is

    asked by Hannah