Questions Asked on
October 9, 2015

  1. Physics

    A player throws a ball at an initial velocity of 36 m/s. The maximum distance the ball can reach (assume ball is caught at the same height at which it was released) is? (I tried to solve it but i think it doesn't have all the information needed to slove

    asked by Yass
  2. help

    Methane, CH4, burns in oxygen gas to form water and carbon dioxide. What is the correct balanced chemical equation for this reaction? A. CH4 + O → H2O + CO2 B. CH4 + 4O → 2H2O + CO2 C. CH4 + O2 → H2O + CO2 D. CH4 + 2O2 → 2H2O + CO2

    asked by sidney
  3. P.E.

    A very active person uses a large amount of energy and therefore has a high A. temperature** B. cholesterol level C. fat diet D. metabolism

    asked by Raven
  4. business mathematics

    the maturity value of a $20,000, 7%, 75-day interest-bearing note dated september 10 is?

    asked by jacqueline
  5. Spanish

    What are least two different ways you can ask what you or someone is like in Spanish?

    asked by Kaai97
  6. Spanish

    Which statement is not true about friendships in the Spanish speaking world? a. Close friends of the family often attend family gatherings b. Close friends of the family are treated like family members c. Family members call close friends tia or tio even

    asked by Kaai97
  7. geometry

    Suppose BD−→− bisects ∠ABC. If m∠ABD=12x+24 and m∠DBC=20x+16, what is m∠ABC?

    asked by jackie
  8. chemistry

    If 3.15 mL of vinegar needs 42.5 mL of 0.115 M NaOH to reach the equivalence point in a titration, how many grams of acetic acid are in a 1.40 qt sample of this vinegar?

    asked by Anonymous
  9. english (checking)

    In their written works, both Benjamin Franklin and Thomas Paine __________. explain the importance of being financially frugal demonstrate the ability of humans to improve themselves and society

    asked by Franie
  10. math

    A airplane crosses the Atlantic Ocean (3000 miles) with an airspeed of 600 miles per hour. The cost C (in dollars) per passenger is given by... C(x)= 150 + x/20 + 36,000/x Where x is the ground speed (airspeed plus or minus wind). a. What is the cost per

    asked by v
  11. english (checking)

    Why does Olaudah Equiano use sensory details in "Aboard a Slave Ship"? to bring the horrors of the journey to life

    asked by Franie
  12. Algebra

    Among all pairs of numbers with a sum of 34, find the pair whose product is maximum. Write your answers as fractions reduced to lowest terms.

    asked by Lucy
  13. Social Studies

    1. What do colonialism and imperialism both require? A. one country giving money to another B. 2 countries sharing resources** C. 2 countries working together D. one country ruling another country 2. What did West Africans trade to North Africans in

    asked by Hannah
  14. chemistry

    What is the (H3O+) and the ph of a buffer that consists of 0.25M HNO2 and 0.69M KNO2? (Ka of HNO2 = 7.1 x 10^-4) is this right? pH of acidic buffer pH = pka + log(salt/acid) pka = -log ka = -log(7.1*10^(-4)) = 3.15 = 3.15+log(0.25/0.69) pH = 2.71 [H3O+] =

    asked by patrick
  15. Organic Chemistry

    Simple Distillation: What is the molar composition of the vapor in equilibrium with a boiling liquid that has a composition of 60% A and 40% B? I know that the vapor should be richer in the lower-boiling substance, which is A in this case. And: If a sample

    asked by Sasha
  16. Calculus 1

    A lighthouse is located on a small island 4 km away from the nearest point P on a straight shoreline and its light makes two revolutions per minute. How fast is the beam of light moving along the shoreline when it is 1 km from P? (Round your answer to one

    asked by TayB
  17. STATISTICS

    A salesperson contacts eight potential customers per day. From past experience, we know that the probability of a potential customer making a purchase is .05. b.) What is the probability the salesperson will make exactly two sales in a day? this is what I

    asked by Anna
  18. Maths

    Line L1 has equation 2x -3y+12=0 Gradient of L1 is 2/3x The line L1 crosses the x axis at the point A and the y axis at the point B. The line L2 is perpendicular to L1 and passes through B. A) find and equation of L2 The line L2 crosses the x axis at the

    asked by Anonymous
  19. Math

    If a rock falls from a height of 50 meters on​ Earth, the height H​ (in meters) after x seconds is approximately H(x)=50-4.9x^2 1. ​What is the height of the rock when x=1.6 ​seconds? 2. ​When is the height of the rock 5 meters? 3. When does the

    asked by bo
  20. Spanish

    Which theory was developed based on observations made on the Galapagos Islands? a. big bang b. natural selection*** c. relativity d. planetary motion Where is the best place to put the adjective "perezoso" in the following sentence? Diego(1) es(2) un(3)

    asked by Kaai97
  21. Social Studies

    1. Which is not a factor contributing to poverty in Africa? a. long periods of drought and desertification b. a sudden decline in unemployment*** c.drastic increase in population leading to a shortage in available resources d. an inability to establish a

    asked by Kaai97
  22. umuc

    For the reaction HCONH2(g) NH3(g) + CO(g), Kc = 4.84 at 400 K. If ΔH° for this reaction is 29 kJ/mol, find Kc at 500 K.

    asked by Anonymous
  23. Math

    1. You are having a discussion about sequences with your classmate. She insists that the sequence 2,3,5,8,12 must be either arithmetic or geometric. Is she correct or incorrect? Explain. Can you help please 2. Determine whether the sequence is arithmetic,

    asked by May
  24. pre calculos

    Joely's Tea Shop, a store that specializes in tea blends, has available 45 pounds of A grade tea and 70 pounds of B grade tea. These will be blended into 1 pound packages as follows: A breakfast blend that contains one third of a pound of A grade tea and

    asked by allexelle
  25. Math- HELP

    1. Write the fraction or mixed number as a decimal 7/8 A. 0.78** B. 0.875 C. 0.8777 D. 1.875 2. 1 1/2 A. 0.50 B. 1.5** C. 1.05 D. 1.1 3. 4 3/8 A. 0.375 B. 4.35 C. 4.375 D. 4.5** 4. Write the decimal as a fraction or mixed number 0.4 A. 4/100** B. 2/5 C.

    asked by Nina
  26. Physics

    A bullet leaves a rifle with a velocity of 100 m/s and the rifle mass 2.5 kg recoils with a velocity of 1 m/s. Find the mass of the bullet. PLEASEEEE HELP ME.👏

    asked by Manan Bhattacharya
  27. calculus

    using the two existing corner sides of an existing wall, what is the maximum rectangular area that can be fenced by a fencing material 30 ft long?

    asked by ligas
  28. physics

    Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 427 km above the earth’s surface, while that for satellite B is at a height of 873 km. Find the orbital speed for (a) satellite A and (b) satellite B.

    asked by Regheim Beck
  29. Statistics

    A researcher is studying the effects of caffeine on exam scores of college students. In this study: What would be the population and sample of this research? Extrapolate your views of the advantages and disadvantages of samples and populations to this

    asked by Slomo
  30. MATH HELP PLEASE

    Albert is saving up money for a down payment on a house. He currently has $4718, but knows he can get a loan at a lower interest rate if he can put down $5323. If he invests the $4718 in an account that earns 5% annually, compounded quarterly, how long

    asked by Tim
  31. Engineering Chemistry

    One reaction that destroys O3 molecules in the stratosphere is NO + O3 → NO2 + O2 When this reaction was studied in the laboratory, it was found to be first order with respect to both NO and O3, with a rate constant of 1.9 x 104 L mol-1 s-1. If [NO] =1.2

    asked by Michelle Zuke
  32. Mental & Health

    happiness, sadness,and fear examples_____________ of emotions A.)Learned B.)Primary C.)Secondary D.)Inmate

    asked by Douglas
  33. Math

    60 is 166 2/3% of what number? I got 36.14,is this correct?

    asked by Jake
  34. Math

    An airplane crosses the Atlantic Ocean​ (3000 miles) with an airspeed of 600 miles per hour. The cost C​ (in dollars) per passenger is given by C(x)=150+x/20+36,000/x What is the cost per passenger for quiescent​ (no wind)​ conditions? What is the

    asked by kimmie
  35. Heath class

    Which of the following foods is usually highest in protein? Apple Chicken Bread Candy bar

    asked by Ellie
  36. AP Chemistry

    Hey guys stuck again! Bromine and chlorine dissolve in carbon tetrachloride and react to form BrCl: Br2 + Cl2--> 2BrCl (in CCl4) Under equilibrium conditions [Br2] = [Cl2] = 0.00430 M and [BrCl] = 0.0114 M. The addition of 0.100 moles of Br2 to exactly one

    asked by Allie
  37. Music

    if a dot was added to a quarter note in 4/4 time, how many beats is the note worth???

    asked by Bree
  38. Biology

    I put them in order, but am not sure. Please take a look? Question: Put the following events of the adaptive immune response in the order they occur. (c) You cut yourself and bacteria enter the wound. (f) A dendrite near the cut phagocytizes some bacteria

    asked by Anonymous
  39. History

    The "shot heard around the world" were fired at A.)Trenton B.)Lexington C.)Yorktown D.)Bunker Hill , i anwser c

    asked by Douglas
  40. criminal justice

    Which of the following would NOT exclude a potential juror from service? having a felony conviction? being an active member of the military? being a member of the police force? being 19 years of age? I don't understand? Is it D?

    asked by Franie
  41. Child development

    Compared to adults, when children perform complex tasks they a.use less working memory. b.are likely to perform fewer processes automatically. c.are unlikely to exceed the capacity of their working memory. d.use more sensory memory. I cannot figure out

    asked by Woody
  42. Math / Statistics

    { In a recent basketball game, a player who makes 65% of his free throws made eight consecutive free throws. Assuming that free-throw shots are independent, determine whether this feat was unusual. } I'm just a little lost on how to determine if it's

    asked by Mira
  43. math

    a pole of 50m high stand on a building of 250m high to an observer of at a height of 300 m, the building and the pole stands equal angles. what the distance of the obsrever from the top of the pole

    asked by faizan
  44. quantitative techniques

    The following model is a simplified version of the multiple regression model used by Biddle and Hamermesh (1990) to study the tradeoff between time spent sleeping and working and to look at other factors affecting sleep: sleep=B_0+B_1 totwork+B_2 educ+B_3

    asked by ahsan
  45. Chem

    5.61g of potassium hydroxide(KOH) were dissolved in 200.0 ml of water. The temperature of the water rose from 20.0CE to 27.0CE after dissolving. Calculate the molar heat of dissolving for KOH mKOH =5.61g Tf=27C mH20=200g Ti=20C Tf=27C c=4.18 Q=mct=

    asked by Tegan
  46. pre calc

    Your computer supply store sells two types of laser printers. The first type, A, has a cost of $86 and you make a $45 profit on each one. The second type, B, has a cost of $130 and you make a $35 profit on each one. You expect to sell at least 100 laser

    asked by allexelle
  47. Child development

    Infants' naïve theory of physics leads them to believe that A.gravity is not important so floating objects are not unusual. b.one object striking a second object does not affect the second object. c.objects cannot move through other objects. objects move

    asked by Woody
  48. chemistry

    onsider the following reaction between sulfur trioxide and water: SO3(g)+H2O(l)→H2SO4(aq) A chemist allows 61.5 g of SO3 and 11.2 g of H2O to react. When the reaction is finished, the chemist collects 59.3 g of H2SO4.

    asked by luis
  49. lang arts

    unit 2 lesson 3 quick check 3 questions only the first question is a boy sees a snake lying still in the road he bend close to look at it suddenly the snake moves the boy jumps back what is the climax

    asked by mxlinz
  50. School

    When given three given kinds of meat, three kind of cheese, and three kinds of bread of bread. Lisa can make 27 kinds of sandwich. I cannot figure out what piaget stage this is?

    asked by M
  51. Health class

    ---- are nutrients that are needed for growth and repair of the body's tissues. Carbohydrates Fats Fibers Proteins

    asked by Ellie
  52. pre calc

    Joely's Tea Shop, a store that specializes in tea blends, has available 45 pounds of A grade tea and 70 pounds of B grade tea. These will be blended into 1 pound packages as follows: A breakfast blend that contains one third of a pound of A grade tea and

    asked by allexelle
  53. Math

    What is the probability of getting either blue or freen on a spinner that is 3/10 green and 1/5 blue? I added 3 and 1 and got 4. So is my answer 4/10 ?

    asked by Vanessa
  54. statisciscal inference

    The probability that a patient recovers from a delicate heart operation is .0.9. What is the probability that exactly 5 of the next 7 patient having this operation survive?

    asked by Anonymous
  55. math

    The hieght of a model rocket is 4% of the height of the actual rocket.The model is 1.8 meters high. How high is the actual rocket?

    asked by natalia
  56. pre calc

    Use mathematical induction to prove that the statement is true for every positive integer n. Show your work. 2 is a factor of n2 - n + 2

    asked by allexelle
  57. Social Studies

    Who was Prince Henry the Navigator?

    asked by Animegirl
  58. Microbiology

    Which of the following molecules do you think would make good antigens for recognizing a pathogen? You may choose more than one. 1) a cell wall protein 2) a piece of DNA inside a cell 3) a protein that is part of a flagella 4) a uniquely shaped protein

    asked by Anonymous
  59. math

    If you know that a relationship is proportional and are given one ordered pair that is not (0,0), how can you find another pair? THANK YOU!

    asked by kimie
  60. chemistry

    What is the mass percent of nitrogen in ammonium carbonate, (NH4)2CO3?

    asked by leona
  61. Chemistry

    What is the mass of water required to fill a circular hot tub 3.6 m in diameter and 1.3 m deep? Answer in units of kg.

    asked by G
  62. math

    Could someone please check my math questions? any help will be greatly appreciated! Questions~ 16. A car’s speed before a sudden stop can be estimated by the formula S = √(30gk) , where S = speed of the car in mph, g = drag factor, and k = length of

    asked by Abby
  63. English (checking)

    Which of the following best describes Benjamin Franklin? idle enterprising

    asked by Franie
  64. pre calculos

    A statement Sn about the positive integers is given. Write statements Sk and Sk+1, simplifying Sk+1 completely. Show your work. Sn: 1 ∙ 2 + 2 ∙ 3 + 3 ∙ 4 + . . . + n(n + 1) = [n(n + 1)(n + 2)]/3 ________________________________________

    asked by allexelle
  65. Maths

    Determine the values of K such that the quadratic equation x^2 + 2Kx - 3K =0 has equal roots Thankyou

    asked by Anonymous
  66. Algebra

    Alfred is saving up money for a down payment on a house. He currently has $4185, but knows he can get a loan at a lower interest rate if he can put down $5019. If he invests the $4185 in an account that earns 4.1% annually, compounded quarterly, how long

    asked by Tim
  67. History

    what did the us gain from the treaty of paris A.)Permission to use British forts in Canada B.)Claim to the land called Florida C.)The right to free trade with britian D.)Complete independence from britian

    asked by Douglas
  68. physics

    when starting a foot race a 66 kg sprinter exerts an average force of 640 N backward on the ground for 0.85s. What is his final speed in m/s?

    asked by Anonymous
  69. math

    If bus 1 and bus 2 leaves the station every 20 minutes and bus 2 leaves every 25 minutes...then what time will they leave the station at the same time again?

    asked by Whitness
  70. Algebra

    Molly left home and drove toward the ferry office at an average speed of 27 mph. Mark left two hours later and drove in the same direction but with an average speed of 45 mph. How long did Molly drive before Mark caught up? I am terrible at word problems

    asked by Anonymous
  71. chemistry

    If the charge-to-mass ratio of a proton is 9.58 × 107 coulomb/kilogram and the charge is 1.60 × 10-19 coulomb, what is the mass of the proton?

    asked by annonomus
  72. physics

    a block of mass 5 kg is position at angle 45 degree ,a force of 10 newton is applied to the block parallel to the ground. is the coefficient of kinetic friction is 0.5 , calculate its acceleration?

    asked by Amna
  73. Conversions?

    1) Express 4106 mockingbirds in kilomockingbirds. Answer in units of kmockingbird. 2) Express 10^−3 phones in microphones. Answer in units of µphone.

    asked by G
  74. Criminal Justice

    a judge's primary responsibility is to? state law plaintiff community law or plantiff ?

    asked by Franie
  75. Algebra

    Insert group in symbols to make the equation true 8+12/4*5=1

    asked by Biagio
  76. criminal justice

    in criminal trials the defense calls its witnesses first? true or false -- false? A fact witness opinons and predictions are admissible in court? True or False --- false?

    asked by Franie
  77. history

    can someone check my history questions?? Please? Questions~ 1) Read the quotation below and answer the question that follows. “We are unanimously of opinion, that the law passed by the legislature of Maryland, imposing a tax on the Bank of the United

    asked by Abby
  78. math

    Consider the equation f(x)= -2 sqrt(X+3). List in order the transformations applied to the parent function.

    asked by dave
  79. Child development

    Infants' naïve theory of physics leads them to believe that a.gravity is not important so floating objects are not unusual. b.one object striking a second object does not affect the second object. c.objects cannot move through other objects. d.objects

    asked by Woody
  80. physics

    On a plot of position x versus time t for an object’s motion, what corresponds to the object’s average velocity between instant t1 and instant t2? (a) intercept of the plot on the horizontal axis (b) intercept of the plot on the vertical axis (c) slope

    asked by ahmed
  81. Math

    Taiti drank 3/4 glass of orange juice, 1/8 glass of prune juice, and 1/2 glass of milk. How much did she drink all together?

    asked by Anonymous
  82. Chemistry

    A sphere of metal has a radius of 5.7 cm and a density of 8.33 g/cm^3. What is the mass of the sphere? Answer in units of g.

    asked by G
  83. math

    The sum of the ages of Jose and Valerie is 78 years. 9 years ago, Jose's age was 3 times Valerie's age. How old is Jose now? (A) Translate the given information into an equation using the variable x = current age of Jose. Your equation should contain 78,

    asked by Anonymous
  84. English

    What sentences are compound or complex? 1.He, passionate, studious, austere, and having already a bride in his Art; she a maiden of rarest beauty, and not more lovely than full of glee; all light and smiles, and frolicsome as the young fawn; loving and

    asked by Please HELP
  85. English

    My son has already started writing a story using the vocab words Legendary gaped glared muttered flinched fluke snickering stunned. He is king of confused , can you correct the mistakes and help us in completing it. Below is the story: In December 2015 I

    asked by Sunshine
  86. bio

    During lab, you are provided with a stock antibody solution (Ab) that has a concentration of 400 μg/μl (Tube 1). It is necessary make the following dilutions.

    asked by Anonymous
  87. Physics/trig

    A fire hose ejects a stream of water at an angle of 33.6 ° above the horizontal. The water leaves the nozzle with a speed of 29.6 m/s. Assuming that the water behaves like a projectile, how far from a building should the fire hose be located to hit the

    asked by Jenna
  88. Probability

    A tourists bureau survey showed that 75 % of those who seek information about the state actually come to visit . The office received 8 requests for information. What is the probability that probability that 4 to 6 inclusive of the people will visit sc?

    asked by Amber
  89. Solar Energy please help

    Greeting All, please assist with the below. Thanks. The spectral power density of a solar simulator is given by: P(λ)=7.5∗1015λ−2.25∗109 [Wm^-2m^-1] for 300nm

    asked by G2015
  90. prasanna high school

    Subject:maths. question: the sum of first 6terms.of an aritmetic progression is 6.the product of 2nd term & 5th term is -80 find the terms of A.P.

    asked by Anonymous
  91. Probability

    Lidsney inspected shipments of applices. She inspected 3 from a batch of 140 . If she finds 3 with defects the entire lot is rejected. If max knows knows that 9 of her appliances have minor defects. Find the probability that lidya will reject max shipment

    asked by John
  92. Math

    Geography Helen made 6 pizzas and cut each of them into eighths. If she severed 3 1/4 pizzas, how many slices of pizza did Helen left over

    asked by Mi
  93. Math

    A jar of bacteria doubles every two minutes. If the jar is 1/8 full by noon, at what time will the jar be completely full?

    asked by Kayla
  94. Math

    Which of the following represents 28 = 7 * 4 a) 28 is 14 timwes as many as 2 b) 7 is 4 times as many as 28 c) 28 is 4 times as many as 7 d) 4 is 7 times as many as 28

    asked by MissRed
  95. Calculus

    lim x -> pi/2 (sin(x/2)-cos(x/3)) Evaluate Please help

    asked by Alz
  96. Algebra

    I'm going back to school after 29 years and I feel so confused. Can you help me? There were 6205 CVS stores in the US in 2006 and 7703 CVS stores in the US in 2013. Write a linear equation in slope-intercept form that models this growth. Let x stand for

    asked by Madeline
  97. Maths

    Solve |a|-3/4=-5/8 a. 1/8 or -1/8 b. 7/8 or -7/8 c. 1 3/8 or -1 3/8 d. No solution could someone walk me through perhaps? I missed a ton of class and there's nothing about this stuff in the review notes my teacher gave me.

    asked by Fae
  98. Math

    A sc tourists bureau survey showed that 75 % of those who seek information about the state actually come to visit . The office received 8 requests for information. What is the probability that probability that 4 to 6 inclusive of the people will visit sc?

    asked by Melanie
  99. pre calc

    A statement Sn about the positive integers is given. Write statements S1, S2, and S3, and show that each of these statements is true. Show your work. Sn: 2 is a factor of n2 + 7n

    asked by allexelle
  100. math

    identify all of the basic trig functions that fit each description. 1) is negative for angles in the 2nd and 4th quadrant 2) is unbounded answer: tan, cot 3) has a range of -1 ≤ y ≤ 1 answer: sin, cos are my answers correct? and i'm not sure what the

    asked by stewie
  101. Math

    My numerator is less than my denominator.I am more than 1/2. What fractions can Ibe

    asked by Justin
  102. Algebra

    Albert is saving up money for a down payment on a house. He currently has $4718, but knows he can get a loan at a lower interest rate if he can put down $5323. If he invests the $4718 in an account that earns 5% annually, compounded quarterly, how long

    asked by Tim
  103. physics

    The elastic potential energy E is given by E=C p^2 g^2 A l0^3,where p is the density of the metal.g is the acceleration of free fall. A is the cross-sectional area of the wire and C is a constant. determine the si base units of C?

    asked by monique
  104. science

    light that has a frequency of 1.5 x 1015 Hz.

    asked by joel
  105. physics

    Pilots of high-performance fighter planes can be subjected to large centripetal accelerations during high-speed turns. Because of these accelerations, the pilots are subjected to forces that can be much greater than their body weight, leading to an

    asked by Regheim Beck
  106. Maths

    Write in completed square form -x^2 - 3x + 7

    asked by Anonymous
  107. Social Studies

    When was the age of exploration

    asked by Animegirl
  108. Algebra

    I've been working at this for some time and have been unsuccessful. I know i'm supposed to use the principle interest formula but that's all. I think i'm missing something Rebecca put $24,000 in an education account on the day her daughter was born. If the

    asked by Dexter
  109. math

    use the method of cylindrical shells to find the volume generated by rotation the region bounded by x=y^2+1, x=2, about y=-2. Sketch the region, the solid, and a typical shell. I know that for shells, its 2pix*f(x)*dx. i am having trouble figuring out what

    asked by Jedidiah
  110. Pre-calculus

    Hi i need to find x in 9^(2x-6)=6^(8x-5) So what i did was: 3^(4x-12)=6^(8x-5) log3(3)^(4x-12)=log3(6)^(8x-5) 4x-12=(8x-5)log3(6) now i'm stuck. and i actually feel that the whole thing is wrong. help, pls

    asked by Lid
  111. math

    Evaluate the given integral, where C is the circle with positive orientation. Cauchy integral theorem, integral over C (2z-3)/(z^(2)-4)(z+2) dz, C:|z+3|=3

    asked by jay
  112. History

    How can an individual’s actions make a significant difference in the course of history? My answer: For example: If you are a dictator you have complete control over the people which means that you will have to do what the dictator says or you will suffer

    asked by Crypticraven01
  113. Calculus

    Find the volume of the solid obtained by rotating the region bounded by y=x^2, y=sqrt(x), about y=1. I have to use either the disk or washer method and i believe i use washer. i set up the integral to be pi[(1-x^3)^2 -(1-sqrt(x))^2] from 0 to 1 for my

    asked by Jedidiah
  114. English

    I need a real life example of something that illustrates these qualities from "How to Read Literature Like a Professor?" by Thomas C. Foster I am doing a chapter from the book called Nice to Eat You: Acts of Vampires Basically this is what I got from the

    asked by Annie
  115. adv functions urgent

    any math teachers around?

    asked by em
  116. Math

    Consider the equation f(x)= -2 sqrt(X+3). List in order the transformations applied to the parent function.

    asked by David
  117. math

    Ismael bought a new phone. After the first 5 hours of use, the average remaining lifetime of the battery is 7 hours. Find the probability that the battery will last between 11 and 15 hours.

    asked by ISMAEL
  118. Algebra

    (x+3)/(x+8)-(x-8)/(x-3) I worked this out and got -55 Ans. But was marked wrong because the Ans. is 55 why and how does this end with no minus(-)sign please show working

    asked by bc
  119. History

    What heroic qualities did Sarah Bache possess? Do the heroic qualities mean like loyalty and generosity? My answer would be Sarah possessed kindness and loyalty showing that she didn’t just care about her well being but all of the people around hers well

    asked by Crypticraven01
  120. Maths

    |a|-3/4=-5/8 a. 1/8 or -1/8 b. 7/8 or -7/8 c. 1 3/8 or -1 3/8 d. No solution could someone walk me through perhaps? I missed a ton of class.....So did Fae.

    asked by Lina
  121. Math

    Create a number puzzle with a two-step equation.

    asked by J.J.
  122. Science

    An electron travels 1.23 m in 4.66 × 10−8 s. How fast is it traveling? Answer in units of m/s.

    asked by G
  123. Criminal Justice

    Appellate courts may rule without ever hearing an oral arguement? True or False ? False?

    asked by Franie
  124. biology

    why did dinosaurs evolve earlier than humans?

    asked by mark
  125. Math

    Skyler is 2 years older than Sonya. In 9 years the sum of their ages will be 50. How old is Sonya now? (A) Translate the given information into an equation using the variable x = current age of Sonya. Simplify the left side of your equation. _____________

    asked by Anonymous
  126. math

    Could someone please check my math questions? your help would be greatly appreciated!! Simplify #1 through 3. 1. 20/2 – 32 – (-2)2 a. -3 b. 5 c. 16 d. 24 2. 3(x – 5) – (x + 2) a. 2x – 13 b. 3x – 13 c. 2x – 3 d. 2x – 17 3. (¾) / (2/5) a.

    asked by Abby
  127. Math

    Change the function below into standard form (y = a cos[b(x-h)]+k) then give the vertical shift. y = (cos[2x-π])/3 is this right: y = 1/3 cos[2(x-π/2)]+1/3 vertical shift: 1/3 up

    asked by Hannah
  128. math

    If 4x+5y=10, and 2x+3y=8, then 3x+4y

    asked by Marilo
  129. Programming

    MyGoods sells Laptop, Printer, VGA cable and HDMI cable. The prices are as below: Items Price (RM) Laptop 2500.00 Printer 450.80 VGA Cable 20.65 HDMI cable 80.20 Write a program that allows the user to enter the total of item they wish to buy for each

    asked by Alex
  130. muzo

    The elastic potential energy E is given by E=C p^2 g^2 A l0^3,where p is the density of the metal.g is the acceleration of free fall. A is the cross-sectional area of the wire and C is a constant. determine the si base units of C? Am Confused... help ...

    asked by hilz
  131. Math

    I don't understand how to solve this equation -2+5x-7=3x-9+2x could you help me out?

    asked by Dylan
  132. History

    Differences in Similarities between Sweden, Malaysia, and India

    asked by Anonymous
  133. English

    Hello Can someone help me please writing a short story for a 4th grade student using the vocabulary words: Glared, legendary, muttered, gaped, flinched, fluke, snickering and stunned Thank you

    asked by Sunshine
  134. precalc

    Luke and Mason are standing 23 feet apart on the football field. Luke throws a high, slow pass to Mason. While the ball is in the air between them, each person notes the angle of elevation from himself to the ball. The angle of elevation from Luke is to

    asked by jake
  135. Maths

    How would you solve this in order to find t? 0.2t(t-5.1)(t-9.1)=2.4+0.75t I tried differentiating it, but I wasn't getting the answer I was supposed to

    asked by alicia
  136. statistics

    why and what dothese answers mean 29th percentil greater than 30th percentile

    asked by laurie parker
  137. commerce

    fixed cost is 40000 and variable cost are 60 percent of sales. If sales decrease by 20 percent then what is break even point?

    asked by Deepak
  138. Trig

    Having completed another stimulating school day, Michael and Alyssia both leave at the same time. They walk together for a while and then go their separate ways. These paths make a 60° angle with one another. Michael toddles along at 2ft/sec, while

    asked by Anon
  139. HELP

    a+b=m, ab=3m+6, and a^2+b^2=100

    asked by Marilo