A biologist studied the populations of black bear and brown bears over a 10-year period. The biologist modeled the populations, in thousands, with the following polynomials where x is time, in years. black bears: 2.3x^2 - 5.6x + 2.3 brown

27,304 results
  1. physics

    Figure 8 shows position-time graphs of the straight-line movement of two brown bears in a wildlife preserve. Which bear has the greater average velocity over the entire period? Which bear has the greater velocity at t = 8.0 min? Is the velocity of bear A

  2. biology

    Question 7 A) What is the phenotype of a mouse that has the genotype Bb where B is the gene for black fur and b is the gene for brown fur assuming this gene follows a Mendelian inheritance pattern?(1 point) fur with black hairs fur with yellow hairs fur

  3. physics

    Which bear has the greater average velocity over the entire period? Which bear has the greater velocity at t = 8.0 min? Is the velocity of bear A always positive? Is the velocity of bear B ever negative?

  4. Algebra 1

    Just checking my answers. What is the sum or difference? 1. 2x^4 - 8x^4 A. -6x^8 B. -6x^4*** C. -16x^4 D. -16x^8 What is the sum or difference 2. 10y^10 - 14y^10 A. -4y^20 B. -140y^20 C. -140y^10 D. -4y^10*** 3. Write the polynomial in standard form. Then

  5. science 7A energy and matter in an ecosystem

    In a food chain, with each feeding relationship, the energy transferred from one organism to another will(1 point) be independent of the level. remain constant. increase. decrease. Food chains normally consist of no more than (1 point) six organisms. five

  6. precalculus

    A company can produce a toy bear at a cost of $5 per bear. When the company sells the bears at a price of $22, they can sell 480 bears each week. It is estimated that for every $0.50 decrease in the price, they can sell 20 more bears. Find the price that

  7. Algebra - help

    A biologist studied the populations of common guppies and Endler’s guppies over a 6-year period. The biologist modeled the populations, in tens of thousands, with the following polynomials where x is time, in years. common guppies: 3.1x2 + 6x + 0.3

  8. Algebra II

    The bear population increases at a rate of 2% per year. There are 1573 bear this year. Write a function that models the bear population. How many bears will there be in 20 years?

  9. Science answer check

    1 of 4 Items Item 1 Which statement is correct about a bottleneck event? (1 point) A bottleneck event decreases the population of a species permanently. A bottleneck event increases the population of a species permanently. A bottleneck event decreases the

  10. Really need help

    Researchers plotted a distribution curve for leg length in a population of birds, with length from short to long on the x-axis. The curve shifts to the right after a disturbance. Which statement is correct about natural selection in this population of

  11. Physics

    A black hole is an object with mass, but no spatial extent. It truly is a particle. A black hole may form from a dead star. Such a black hole has a mass several times the mass of the Sun. Imagine a black hole whose mass is fifty times the mass of the Sun.

  12. Algebra

    A biologist studied the populations of black bear and brown bears over a 10-year period. The biologist modeled the populations, in thousands, with the following polynomials where x is time, in years. black bears: 2.3x^2 - 5.6x + 2.3 brown bears: 2.4x^2 +

  13. math

    a population of 900 bears decreases by 15% per year. How many bears will there be in the population after 7 years? round to the nearest whole number 289 2394 9 795 would it be 289?

  14. algebra

    A biologist studied the populations of black bear and brown bears over a 10-year period. The biologist modeled the populations, in thousands, with the following polynomials where x is time, in years. black bears: 2.3x^2 – 5.6x + 2.3 brown bears: 2.4x^2 +

  15. bio

    a brown mouse is crossed with hertozygous black mouse. if the mother has a litter of four, what are thae chances all of them will be brown? http://en.wikipedia.org/wiki/Punnett_square do you have more specifics? because that didn't help a bit There is a

  16. Biology

    Science (Biology) In a species of rodent, fur colour may be black or brown and their tail length either long or short. A pair of rodents were crossed, and their progeny then allowed to interbreed. The result in the F2 were as follows: 29 with brown fur

  17. algebra

    A biologist studied the populations of white-sided jackrabbits and black-tailed jackrabbits over a 5-year period. He modeled the populations, in thousands, with the following polynomials where 𝑥 is time, in years. White-sided jackrabbits: 6.5𝑥^2 −

  18. biology

    Cross 2 heterozygous running, heterozygous black mice A cross between a mouse that is waltzing brown with a mouse that is running brown generates some offspring that waltz. What are the parental genotypes? What Is the offspring phenotype ratio A cross

  19. Biology

    In horses, B = black coat, b = brown coat, T = trotter, and t = pacer. What genotype is a black trotter that has a brown pacer offspring?

  20. Algebra

    I'm needing help with this. Thanks An individual can be classified by gender as male, female, by hair color as black, blonde, brown, red, unknown, and by eye color as black, brown, green. A) How many different classifications are possible (for example,

  21. Calculus

    Two separate rabbit populations are observed for 80 weeks, starting at the same time and with the same initial populations. The growth rates of two rabbit populations are modeled as follows, where t =0 corresponds to the beginning of the observation

  22. Science (Biology)

    In a species of rodent, fur colour may be black or brown and their tail length either long or short. A pair of rodents were crossed, and their progeny then allowed to interbreed. The result in the F2 were as follows: 29 with brown fur with long tails; 9

  23. science can someone please check

    Write a 200- to 300-word response explaining how that physiological process differs among the following organisms: o Bacteria o Grasshopper o Fish o Bear i chose gets rid of waste my answer is as follows Bacteria would get rid of waste by passing it

  24. algebra

    hi! i need some help with Lesson 9: Polynomials and Factoring Unit Test. A biologist studied the populations of common guppies and Endler's guppies over a 6-year period. The biologist modeled the populations in tens of thousands where 'x' is time, in

  25. Algebra Question~!

    A biologist studied the populations of common guppies and Endler’s guppies over a 6-year period. The biologist modeled the populations, in tens of thousands, with the following polynomials where x is time, in years. common guppies: 3.1x^2 + 6x + 0.3

  26. math

    My son is in Kindergarten and I have no idea about the "Counters" in the question: 1st) Cover the teddy bears in the top row with different-color teddy bear counters. 2nd) Color the teddy bears in the bottom row to show the colors." Help. Thanks You.

  27. biology, plz help!

    A girl crossed a pure short, black haired animal with a pure long, brown haired individual (cross A). The F1 consisted of 10 individuals who had all the same phenotypes. She interbred this F1 generation (cross B) and counted the offspring, which consisted

  28. science

    1. which of the following is not part of theory of evolution. a. organisms end to produce more offspring than can survive to reproductive age. b. organisms can acquire changes during their lifetime.*** c. organisms that do not survive to reproduce do not

  29. Algebra (proportions)

    To estimate the size of the bear population on the Keweenaw peninsula conservationists captured tagged and released 50 bears. One year later a random sample of 100 bears included only 2 tagged bears. What is the conservationist estimate of the size of the

  30. PLEASE HELP QUICK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    1)In a food chain, with each feeding relationship, the energy transferred from one organism to another will(1 point) a)remain constant. b)be independent of the level. c)increase. d)decrease. 2)Food chains normally consist of no more than (1 point) a)six

  31. English Help Asap!!

    Selection 1 There is good news and bad news about grizzly bears in the American West. The good news? Their numbers have been increasing in recent years. In 1975, grizzlies made the threatened-species list under the federal Endangered Species Act. The bad

  32. Bio

    Hi there, could you please help me with the following questions: 1.) How does the Hardy-Weinberg provide a baseline for identifying how populations evolve, as a function of changes in their allele frequencies? 2.) Grey squirrels are predominate since they

  33. Math

    Colors are blue, pink,red, brown,black Styles are cardigan, crewneck, v neck What is the probability of choosing a brown sweater at brown?

  34. German

    What is this in german? My english teacher has long brown hair and brown eyes. She is very tall and quite slim. She is a good teacher and is very nice. My mum has black hair and dark brown eyes. She is very tall. She is very caring but can be quite mean

  35. Math

    Miss Emily spent 5/9 of her money on 10 stuffed bears and 5 dolls. She could buy 20 stuffed bears with the rest of her money. What was the ratio of the cost of a doll to the cost of the stuffed bear?

  36. Math

    Use three methods to express each problem’s ratio. Simplify all fractions. 1. Anna has 12 black rabbits and 4 brown. What is the ratio of black rabbits to brown rabbits?

  37. physics

    A black hole is an object with mass, but no spatial extent. It truly is a particle. A black hole may form from a dead star. Such a black hole has a mass several times the mass of the Sun. Imagine a black hole whose mass is eighty-two times the mass of the

  38. accounting

    On February 3, Ron Brown was billed for an office visit. What action should the medical office professional take upon aging accounts receivable on March 1 of the same year? A. Give Mr. Brown a tactful collection call. B. Send Mr. Brown a friendly written

  39. critical thinking

    2) Which of the following, if true, would best explain the material presented in the table? A) The total value of property owned by Black residents in Washington during the 1830-1860 period was similar to that in other cities during this period. B) Rising

  40. crt 205

    2) Which of the following, if true, would best explain the material presented in the table? A) The total value of property owned by Black residents in Washington during the 1830-1860 period was similar to that in other cities during this period. B) Rising

  41. Science help

    I am very confused Researchers plotted a distribution curve for leg length in a population of birds, with length from short to long on the x-axis. The curve shifts to the right after a disturbance. Which statement is correct about natural selection in this

  42. Comm Tech

    Name Age Gender Eye Color Hair C. 1.)Bob 40 M Brown Blonde 3.)Cathy 37 F Brown Blonde 4.)Samantha 51 F Brown Brown 5.)Robin 46 F Brown Black 3.)What is the frequency of brown-haired people in the sample ? A.)3 & 4 B.)2 C.)4 D.)3 My mom says it's "A" but i

  43. Math

    A box of jelly bears contains 52 jelly bears which 19 are white, 10 are brown, 7 are pink, 3 are purple, 5 are yellow, 2 are orange, and 6 are green. In how many ways can you select 9 pieces of candy at random from the box without replacement if 3 white

  44. Honors Biology

    We did a lab today in class where we observed the effects of osmosis. We had two gummy bears in each of three cups, where each cup was filled with either vinegar, syrup, or water. We took the masses of the gummy bears to see if they shrunk or if they got

  45. Kinder math

    Cover the teddy bears in the top row with different color teddy bear counters. Color the teddy bears in the bottom row to show the colors.

  46. question

    The arctic ground squirrel hibernates for as long as ten months of the year. Could a polar bear hibernate? I found this question on the internet and I was wondering what you guys thought? This site answers that question plus many more about polar bears.

  47. biology

    A girl crossed a pure short, black haired animal with a pure long, brown haired individual (cross A). The F1 consisted of 10 individuals who had all the same phenotypes. She interbred this F1 generation (cross B) and counted the offspring, which consisted

  48. Finance

    John has a chocie to make between two investment opportunities. investment 1, would bear a interest of 12.5% over a period of 5 years but is taxable. investment 2 would bear an interest of 8% over the same period but is tax exempt. If john 's taxable rate

  49. physics

    Somebody please shows me step by step to the answer key for part b. I got stuck at it for days The answer key is .126yr but my answer is .687yr. It looks easy but it is not. This what I have done-->I plug in the values that I find on google into the

  50. theory of evolution

    If you could help me with this I would appreciate it In Europe, three lineages of bears evolved from a common ancestor. Two of those lineages led to present-day black bears and brown bears. The third lineage led to cave bears that went extinct 24,000 years

  51. theory of evolution

    Just need some help with checking my answers 1. In Europe, three lineages of bears evolved from a common ancestor. Two of those lineages led to present-day black bears and brown bears. The third lineage led to cave bear that went extinct 24,000 years ago.

  52. Algebra

    A biologist studied the populations of common guppies and Endler’s guppies over a 6-year period. The biologist modeled the populations, in tens of thousands, with the following polynomials where x is time, in years. common guppies: 3.1x2 + 6x + 0.3

  53. algebra

    Bear population. To estimate the size Use a proportion to solve of the bear population on the Keweenaw Peninsula, conservationists captured, tagged, and released 50 bears. One year later, a random sample of 100 bears included only 2 tagged bears. What is

  54. Algebra 2

    To estimate the size of a bear population on the Keweenaw Peninsula, conervationist captured, tagged, and released 50 bears. One year later, a random sample of 100 bears included only 2 tagged bears. What is the conservationist estimate of the size of the

  55. Math(Algebra)

    Estimate the size of the bear population 50 bears, 1 year later 100 bears, 2 with taggs what is the estimated size of the bears can you Please wirite me the stepes so I cam understand what you did. Thank You so much foer your help.

  56. LA

    There's good news and bad news about grizzly bears in the American West. The good news? Their numbers have been increasing in recent years. In 1975, grizzlies made the threatened-species list under the federal Endangered Species Act. The bad news? Some

  57. math

    In Carl's drawer, he has white,gray,and black socks. In his closet,he has black brown,and blue shoes. I need to make a diagrdiagram to display the sample space for Carl choosing a sock and shoe color. Is this right White/black,brown blue

  58. Physics

    At a county fair, a boy and two friends bring their teddy bears on the giant Ferris wheel. The wheel has a diameter of 14.3 m, the bottom of the wheel is 1.9 m above the ground and its rim is moving at a speed of 1.0 m/s. The boys are seated in positions

  59. Physics

    At a county fair, a boy and two friends bring their teddy bears on the giant Ferris wheel. The wheel has a diameter of 14.0 m, the bottom of the wheel is 1.9 m above the ground and its rim is moving at a speed of 1.0 m/s. The boys are seated in positions

  60. Language arts

    Selection 1: There's good news and bad news about grizzly bears in the American West. The good news? Their numbers have been increasing in recent years. In 1975, grizzlies made the threatened-species list under the federal Endangered Species Act. The bad

  61. English

    Evaluate which of the following is the best example of a summary. A.In Goldilocks and the Three Bears, a character named Goldilocks sneaks into a home owned by bears. She eats a bowl of porridge and falls asleep in the house. When the bears return,

  62. la

    Selection 1: There's good news and bad news about grizzly bears in the American West. The good news? Their numbers have been increasing in recent years. In 1975, grizzlies made the threatened-species list under the federal Endangered Species Act. The bad

  63. LA

    There's good news and bad news about grizzly bears in the American West. The good news? Their numbers have been increasing in recent years. In 1975, grizzlies made the threatened-species list under the federal Endangered Species Act. The bad news? Some

  64. Science CONFUSED

    1. Researchers plotted a distribution curve for leg length in a population of birds, with length from short to long on the x-axis. The curve shifts to the right after a disturbance. Which statement is correct about natural selection in this population of

  65. Language arts

    Selection 1: There's good news and bad news about grizzly bears in the American West. The good news? Their numbers have been increasing in recent years. In 1975, grizzlies made the threatened-species list under the federal Endangered Species Act. The bad

  66. Science

    Black coat colour in Labrador Retrievers is produced by the dominant B allele. Brown labs are homozygous recessive (bb). Duke, a black male, whose mother was brown, is mated with Shadow, a black female, who in a previous mating with another father produced

  67. biology - Genetic probability

    Black coat colour in Labrador Retrievers is produced by the dominant B allele. Brown labs are homozygous recessive (bb). Duke, a black male, whose mother was brown, is mated with Shadow, a black female, who in a previous mating with another father produced

  68. Evolution

    In natural populations of the intertidal copepod Finistra elegans, variation exists for two color morphs: a light brown form and a light green form. A student estimates the frequency of the light brown copepod to be 12%, 15%, and 17% over three consecutive

  69. Algebra

    Hi! Can someone help me get started with these 6 problems, please? Would be a huge help! :D 1. A biologist studied the populations of common guppies and Endler’s guppies over a 6-year period. The biologist modeled the populations, in tens of thousands,

  70. Physics

    A brown road runner is standing still pecking at soil looking for worms. Suddenly, a black road runner travelling at a constant speed of 9.25 m/s, overtakes the brown roadrunner. The brown road runner notices that the other one has a worm in its mouth and

  71. Physics/Calculus

    At a county fair, a boy and two friends bring their teddy bears on the giant Ferris wheel. The wheel has a diameter of 14.8 m, the bottom of the wheel is 1.8 m above the ground and its rim is moving at a speed of 1.0 m/s. The boys are seated in positions

  72. Language Arts CHECK AND CORRECT, THANKS! :)

    Selection 1: There's good news and bad news about grizzly bears in the American West. The good news? Their numbers have been increasing in recent years. In 1975, grizzlies made the threatened-species list under the federal Endangered Species Act. The bad

  73. english

    I turn polar bears white and I will make you cry. I make guys have to pee and girls comb their hair. I make celebrities look stupid and normal people look like celebrities. I turn pancakes brown and make your champane bubble. If you sqeeze me, I'll pop. If

  74. Science

    Are black bears and white bears the same species? why or why not?

  75. Business Math 205

    The Stockton Bears Baseball Club Deposits $6,000 at the BEGINNING of each 3-month period for 6 years in an account paying 8% interest compounded quarterly. How much will be in the account at the end of the 6-year period?

  76. MATH WORD PROBLEM

    Diego works at a toy store. His boss tells him to order 420 stuffed bears and toy cars. He must order 4 stuffed bears for every 3 toy cars. a) If he must order 9 large stuffed bears for every 7 small stuffed bears, how many of each stuffed bear should he

  77. Math

    3 animals need to be chosen. There are 3 tigers, 6 bears, and 4 dogs. Find the probability that: a) 1 tiger, 1 bear, and 1 dog are chosen b) 3 bears are chosen c) no tigers are chosen by the way, we are learning combinations and permutations. Thank you for

  78. ap biology

    we are looking at the Hardy weinberg equilibrium theory and we were given fifty problems to work over the break and even though i have answered most of them there is one that has be taken a long time because I am not sure if it can be solved. here is the

  79. MATH

    The weights of black bears are normally distributed with a mean of 264 kg and a standard deviation of 38 kg. Let X be the weight of a randomly selected black bear. Use this information for exercises 2 and 3. 2. If P(a < X < 264) = 0.1139, find the value of

  80. Social Studies

    John Brown called his followers The Army of the North / The Archangels. 12. Brown and his followers __________________________ people who were for slavery. 13. John Brown planned an attack on the target of _________________________. 14. John Brown thought

  81. Math1

    the largest land carnivore is the Alaskan brown bear. It can weigh 1300 pounds but a newborn cub only weighs about about one pound. A typical human weighs about 150 pounds and newborn human typically weighs about 7 pounds. Of human babies were

  82. Intro Finance

    Not sure how to solve: Two Questions: (1)Cindy has income of $12000 in year 0. Calculate her income in year 1 if she wants to consume $26,000 in year 0 and $14,000 in year 1. Assume the interest rate is 4% per year. (2)Jonathan has income of $45000 in

  83. Language Arts

    Okay guys, here are the answers for Lesson 18: Dramatic Transformations Unit Test: Closed Book. May 2019. 1.) to gain understanding 2.) quickly, to create a feeling of conversation. 3.) You're the only one without approval on your project idea, and the

  84. biology

    when a black angus has ofspring that come out brown or just spotted brown..what is the cause of it?

  85. Business Law

    Milton purchased a riding lawn mower from Jack's Law and Garden Shop, a retailer. During the first use, Milton is injured while mowing the hill behind his home when the seat of the mower comes loose and he is thrown from the mower. Milton may sue Jack's

  86. english- critical thinking.

    Property owned by black residents in Washington DC, 1830-1860 Which of the following, if true, would best explain the material presented in the table? A) The total value of property owned by Black residents in Washington during the 1830-1860 period was

  87. BIOLOGY

    A girl crossed a pure short, black haired animal with a pure long, brown haired individual (cross A). The F1 consisted of 10 individuals who had all the same phenotype. She interbred this F1 generation (cross B) and counted the offspring, which consisted

  88. critical thinking

    2) Which of the following, if true, would best explain the material presented in the table? A) The total value of property owned by Black residents in Washington during the 1830-1860 period was similar to that in other cities during this period. B) Rising

  89. 205

    -------------------------------------------------------------------------------- 2) Which of the following, if true, would best explain the material presented in the table? A) The total value of property owned by Black residents in Washington during the

  90. critical thinking

    -------------------------------------------------------------------------------- 2) Which of the following, if true, would best explain the material presented in the table? A) The total value of property owned by Black residents in Washington during the

  91. ENGLISH

    2) Which of the following, if true, would best explain the material presented in the table? A) The total value of property owned by Black residents in Washington during the 1830-1860 period was similar to that in other cities during this period. B) Rising

  92. Critical thinking

    ) Which of the following, if true, would best explain the material presented in the table? A) The total value of property owned by Black residents in Washington during the 1830-1860 period was similar to that in other cities during this period. B) Rising

  93. stats

    test the claim, identify null hypothesis, alternative hypothesis, test statistic, p-value and critical values, and conclusion The health of the bear population in Yellowstone national park is monitored by periodic measurements taken from anesthetized

  94. Science

    A species with two colour variation one mostly green and one is brown.How might populations of species change if the environment becomes a patchwork of tiny green and brown splotches? tnx.

  95. math

    mrsdryson is divding her collection of 52 glass bears into equal groups. she has 1 bear left over. how many did mrs.dryson make

  96. Math

    a dairy farmer has black and brown milking cows. The farmer wants to know how much milk is produced on his farm daily. The farmer selects 15 black cows and 15 brown cows randomly by their tag numbers and logs the amount of milk produced each day for 1

  97. math

    kaya is making dream catchers. each dream catchers uses 6 feathers. she makes 4 dream catchers with black feather 3 with brown 1 with white and 2 with gray. what fraction of the dream catcher have either black or brown feather

  98. Social Studies

    To accommodate the rapid human population growth, the water supply should increase by a. 5 percent each year over a 15-year period. b. 20 percent over a 15-year period.*** c. 50 percent over a 10-year period. d. 10 percent each year over the next two

  99. Math

    The ratio of black squirrels to brown squirrels is 8 to 13 If there were 231 total squirrels what percent to the nearest whole percent were black? And how many squirrels were brown?

  100. chem 101

    if combustion is complete, a brown liquid caramel might form, followed by a brown/black solid. what would be the major component of the solid?

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