Questions Asked on
January 22, 2020

  1. Math

    Esme plans to flip a fair coin 3 times and record the results of each flip. What is the probability that the coin lands with the heads side up on all 3 flips? Enter your answer as a reduced fraction, using the / symbol, like this: 42/53 I believe the

    asked by Trent
  2. Physics

    A sprinter, running a 100-meter race, can accelerate with a constant acceleration for 3.50 s before reaching his top speed. He can then can maintain that speed for the rest of the race. He runs the 100 meters in 10.0 s.

    asked by Dale
  3. Calculus

    A car travels along a straight road for 30 seconds starting at time t = 0. Its acceleration in ft/sec2 is given by the linear graph below for the time interval [0, 30]. At t = 0, the velocity of the car is 0 and its position is 10. What is the position of

    asked by Anonymous
  4. chemistry

    How many mol of PCl5 are in 0.17 g of PCl5? 2.56 × 10–3 mol of PCl5 3.81 × 100 mol of PCl5 3.54 × 101 mol of PCl5 8.16 × 10–4 mol of PCl5 the second one?

    asked by bella
  5. calculus

    Let f be a differentiable function such that f(4)=7 and f′(4)=15. The graph of f is concave up on the interval (3,5). Which of the following is true about the approximation for f(3.5) found using the line tangent to the graph of f at x=4 ?

    asked by toan
  6. chemistry

    Pure water and sodium chloride crystals are both poor conductors of electricity by themselves. However, if sodium chloride crystals are dissolved in pure water, the solution becomes a good conductor of electricity. How does this phenomenon demonstrate the

    asked by bella
  7. chemistry

    Carbon dioxide (CO2) reacts with water (H2O) to form carbonic acid (H2CO3). Which equation demonstrates the law of conservation of matter for this reaction? A. 2 CO + H2O —> H2CO3 B. CO2 + H2O —> H2CO3 C. CO2 + 2 H2O —> 2 H2CO3 D. 2 CO2 + 2 H2O —>

    asked by bella
  8. calculus

    A right triangle has base x feet and height h feet, where x is constant and h changes with respect to time t, measured in seconds. The angle θ, measured in radians, is defined by tanθ=h/x. Which of the following best describes the relationship between

    asked by toan
  9. chemistry

    An unknown substance has been shown to have ionic bonds. Which of the following is most likely a property of this substance? A. low pH B. low boiling point C. high malleability D. high solubility in water d?

    asked by bella
  10. Math

    Points A(−6,1) and B(0,4) are located in a coordinate plane. What is the distance from A to B? Enter your answer as a number, without units. im not quite sure can someone help

    asked by nini
  11. chemistry

    Which compound has trigonal planar geometry? A. CHCl3 B. NH3 C. BCl3 D. HCN D?

    asked by bella
  12. chemistry

    Which of the following best explains why the bonds in ammonia (NH3) are polar covalent? A. Nitrogen has a greater number of isotopes than hydrogen. B. Nitrogen has a greater electronegativity value than hydrogen. C. Nitrogen has a mass number that is 14

    asked by bella
  13. Math

    1. Which list shows numbers ordered from least to greatest? A. -1.5, - 3.0, -7.1 B. - 2.5, - 1.0, - 1.2 C. - 3/3/4, -2/1/4, 1/1/8 *** (MY CHOICE) D. - 3/4,- 1/3/4, 1 2.Which number can be inserted in the parentheses so the numbers are ordered from least to

    asked by HomeworkStan
  14. chemistry

    Sulfur and oxygen form two polyatomic ions: SO32− and SO42−. What is the name of SO32−? sulfate sulfite sulfur dioxide monosulfur dioxide #4?

    asked by bella
  15. chemistry

    An unknown substance has been shown to have metallic bonds. Which of the following is most likely a property of this substance? A. low melting point B. high conductivity C. low pH D. high solubility in water is it B?

    asked by bella
  16. Careers

    With this subjects which career I can choose? Geography, maths lit, history, life science

    asked by Ntivo Mashele
  17. math

    A car travels 416 miles in 8 hours. At that rate, how far will the car travel in 22 hours 104 miles 151.3 miles 1,144 miles*** 3,328 miles

    asked by 21 pilots (not really)
  18. math

    If the length of the shorter leg of a right triangle is 5 cm and the length of the hypotenuse is 13 cm, find the length of the longer leg.

    asked by 5
  19. math

    A(n) __________ circle is used over a number when the solution can be equal to that number.

    asked by ASAP.........
  20. Earth Science -

    In a model ensemble system, what do meteorologists change each time they run a simulation of the same model?(1 point) the initial conditions the mathematical equations used the predicted forecast the range of possible outcomes

    asked by Madi
  21. Physics

    The arm of a crane at a construction site is 16.0 m long, and it makes an angle of 13.9 ◦ with the horizontal. Assume that the maximum load the crane can handle is limited by the amount of torque the load produces around the base of the arm. What maximum

    asked by aquead
  22. social studies

    question 1 Which of the following describes how the structure of feudalism in Europe worked? A.There was a council of vassals; peasants voted for council members to represent them. B.The king chose people to serve on a senate; the serfs voted for people to

    asked by The Middle Ages
  23. Earth Science

    1. Which provides the most direct source of energy for a hurricane?(1 point) A warm ocean water B heating of the air by the sun C friction with the ground D rising, swirling winds 2. How does upwelling affect the weather of a coastal region?(1 point) A The

    asked by Madi
  24. chemistry

    If a polyatomic ion is made of halogen and oxygen atoms, what form would one take if it had the fewest atoms? This form would get only an -ate suffix. This form would get a hypo- prefix and an -ite suffix. This form would get a per- prefix and an -ate

    asked by bella
  25. Math

    If P(A) = 3/5, P(B) = 1/4, and P(A∩B) = 3/10, are A and B independent? Select the option that provides both the correct answer and the correct reason. A: Yes, because 3/5 (1/4) = 3/10. B: No, because 3/5 + 1/4 ≠ 3/10. C: No, because 3/5 ÷ 1/4 ≠

    asked by Trent
  26. Math

    At the end of the summer, Walgreens advertised blow-up pools for 66% off the regular price. Jeff Jones saw a pool with a regular price of $49.99. The dollar markdown is: A) $39.29 B) $32.99 C) $33.99 D) $33.39 E) None of these

    asked by Alex
  27. history

    Why were states so important to the Articles of Confederation? a. They wanted a new monarchy. b. States were under the federal/national government in terms of leadership. c. States had no power and they wanted to be part of one strong group. d. There was a

    asked by Anonymous
  28. algebra

    The data on the graph show the foot lengths and forearm lengths for a group of people. The line of best fit for the data is shown. Use the equation of the line of best fit to predict the length of a person’s forearm if the length of their foot is 8

    asked by jam
  29. chemistry

    Which of the following has the fewest valence electrons? A. nitrogen (N) B. boron (B) C. lithium (Li) D. fluorine (F) is it C?

    asked by bella
  30. Math

    Write the polynomial in standard form. Then name the polynomial based on its degree and number of terms. 6x^2+ 6x^4– 2x^2

    asked by sAd_tEA
  31. algebra

    Jan mixes 1 1/3 cups of white flour,, 1 3/4 cups of whole wheat flour, and 2/3 cup of rye flour. About what fraction of the mixture is whole wheat flour? Solve and explain how you got your answer.

    asked by rose
  32. Math

    90 is the product of Delia's age and 5. Use the variable to represent Delia's age.

    asked by sda
  33. Math

    A surveyor sights two signs and the angle between the two lines of sight measure 55°

    asked by Aleeza
  34. Careers

    What career path can i follow with these subjects Math literacy, physical science,life science

    asked by Zandy
  35. chemistry

    What is the molar mass of acetic acid (HC2H3O2)? (NOTE: H = 1.008 amu, C = 12.011 amu, O = 15.999 amu) 120.1 g/mol 30.0 g/mol 58.0 g/mol 60.0 g/mol is it 58.0 g/mol?

    asked by bella
  36. math

    Explain how the difference of a fraction or a rational number and its additive inverse is equal to zero.

    asked by Niyah
  37. math

    A rectangular piece of sheet metal is 4 ft longer than it is wide. The area of the piece of sheet metal is 45 ft2. Find its length and width.

    asked by anonymous
  38. Math

    A card is chosen at random from a standard deck of 52 playing cards. What is the probability that the chosen card is a king or a queen? A: 4/52 (1/2) = 1 26 B: 4/54 + 4/50 = 104/675 C: 4/52 (4/52) = 162/704 = 1/169 D: 4/52 + 4/52 = 8/52 = 2/13 I belive its

    asked by Trent
  39. science

    Which process is an important part of chemical weathering through oxidation? a.) oxygen giving up electrons to other elements. b.) oxygen capturing electrons from other elements. c.) oxygen capturing protons from other elements. d.) oxygen giving up

    asked by 1234
  40. Writing

    For the following sentences underline the complete predicate and circle the simple predicate

    asked by Kim
  41. Math

    Alex rides 45 miles in 3 hours. Write an equation that shows the relationship between the distance, d and the time, t that he rides if Alex rides at a constant rate of speed? D(Distance) = 15T(Time) Is this right

    asked by Joe
  42. Physics

    A grasshopper leaps into the air from the edge of a cliff at a 47 degree angle. He reaches a maximum height 6.49 cm above the top of the cliff and travels a total horizontal distance of 1.02 m. How tall is the cliff and what is the initial speed of the

    asked by Jack
  43. Physics

    A hydraulic lift has 1000 N applied to an input piston that has an area of 30 cm2. What is the pressure exerted on the input piston?

    asked by Xavier
  44. History

    How did the Protestant Reformation impact Christianity? It made it more popular, correct? People created different branches of Christianity?

    asked by Anastasia
  45. Math

    April rewrote a quadratic function in vertex form. h(x)=5^2-30x+30 step 1 h(x)=5(x^2-6x+ )+30 step 2 h(x)=5(x^2-6x+9)+30-45 step 3 h(x)= 5(x-3)^2+15 In which step did they make a mistake? and how? Please help

    asked by Alex
  46. math

    the total value of the dimes and quarters in a coin bank is $3.70. if the quarters were dimes and the dimes were quarters, the total value would be $4. Find the number of dimes and the number of quarters in the bank.

    asked by xime
  47. Science

    What would likely happen if a frog pond was polluted with trash?

    asked by ❄ Snowflake ❄
  48. Civic

    10 Factors that can hinder a citizen rights

    asked by Kazeem
  49. Chemistry

    What is the enthalpy change when 100.0 g octane (C8H18, MW = 114.23 g/mol) is combusted at 25C?

    asked by Nicole
  50. math

    Write and solve an equation that represents the following situation 35 people paid a total of 245 for admission to a local soccer game. What is the price of admission. Please help im stuck.

    asked by jam
  51. Math

    Four pipes can fill a tank in 70 minutes.how long will it takes to fill the tank if 7 pipes are used.

    asked by Ali
  52. Physics

    Calculate+the+linear+expansivity+of+a+brass+of+length+120m+that+assume+a+new+length+of+120.05m+when+heated+through+a+temperature+of+100°c

    asked by Ben toby
  53. algebra

    Janet is training for a marathon. She decides to track her time per mile, in minutes, for 8 weeks. Which equation best fits the data? A graph is labeled as Marathon Training. The horizontal axis is labeled as Weeks and the vertical axis is labeled as Time

    asked by jam
  54. Math

    Do the ratios 14/7 and 2/1 form a proportion?

    asked by Kitty Cookie
  55. Social Studies

    Which of the following describes how the Catholic Church was a part of European culture in the Middle Ages? A. Most peasants learned how to read and write by attending a Catholic school. B. The Church pushed for people to use reason and to question those

    asked by Afreen
  56. Social Studies

    Why did the pope called for the Crusades? A. to take back the holy lands from Muslim control B. to fight against the Byzantine Empire and restore Catholic practices in that region C. to gain knowledge of the Muslim faith and bring it back to the people of

    asked by A
  57. calculus

    Find the most general antiderivative of the function. (Check your answer by differentiation. Use C for the constant of the antiderivative.) f(x) = 1/2x+ 2/3x^2 - 5/6x^3

    asked by steven
  58. chemistry

    How does Avogadro’s number relate to the atomic mass and moles of an element? 1. Avogadro’s number can be used to convert the atomic mass of an element to the mass of one mole of that element. 2. The atomic mass of an element can be used to convert

    asked by bella
  59. Science/Health

    1) Identify the systems of your body, and explain how these systems work together. 2) Describe the flow of blood to the human body, including through each of the four. Can you guys help me with this?

    asked by XxFox_FrostxX
  60. social studies

    1Which is one way that Homo sapiens differed from Neanderthals? A. They created stone tools. B. They could learn and adapt. C. They hunted for food.**** D. They buried their dead. 2.In what way did Hippocrates influence the field of medicine that can be

    asked by crazy_curls
  61. English

    Which sentence contains a predicate noun? A. The walk through the tunnel was eerie. B. I bought my mom a cookbook for her birthday. C. My dog is a master of the household. D. The ground is very uneven. I think it's A or B. Could you provide me with help

    asked by Carrot
  62. algebra

    If 14 out of 20 people like chocolate milk, what percent of the people do not like chocolate milk? (1 point) 5% 30% 40%*** 70% Which of the following are equivalent to 85%? Choose all that apply. A. 0.085 B. 0.85** C. 85/100 D. 19/20

    asked by bee_bro
  63. chemistry

    Equeston

    asked by Radico
  64. Math

    How do I solve -2v - 7 = -23

    asked by Boomer
  65. Math

    -9 -6 (w+5) a.. -15w +5 b.. -15w+30*** c.... -6w -39 d.. -6w+21 plz help quick

    asked by DONTWORRYABOUTIT
  66. Math

    W/4 - 4 = 4

    asked by I need help
  67. Careers

    What career and job qualification can i get with these subjects? Maths lit,tourism,consumer studies,dramatic arts

    asked by Isabella
  68. math

    17. If you were to sketch a circle graph for the data shown in the table below, about what fraction of the circle would represent comedy? 1/2 1/3 1/4 1/5

    asked by bee_bro
  69. History

    Which of the following best illustrates how the different customs, cultures, and traditions of New Mexico’s ethnic groups help strengthen and unite the state? A. New Mexico’s ethnic groups are like a handful of straws. B. New Mexico’s ethnic groups

    asked by i miss my brother
  70. math

    Explain how the zero property in the problem,2/3(0)=(0)2/3 , is the same with any rational number.

    asked by Niyah
  71. Math

    Hi so this is the connexus unit 7 math test, and I am terrible at math,I really tried but please help. solve the equation -2v-7=-23 And there is more but I can't write them because they are fractions, PLEASE HELP. I cannot fail.

    asked by Yumeko
  72. Math

    A baseball bat and baseballs cost $163.25. The bat costs \$106.45. . What is the cost of one baseball 163.25-8c=106.45;\$33.71 8c+106.45=163.25:\$7.10 8c+163.25=106.45:\$7.10 8c-106.45=163.25:\$3.71

    asked by Emma🤩_
  73. Business

    What are Alteryx Inc. core competencies?

    asked by Amity
  74. Math

    An auto parts company is interested in how long people plan to own their cars. They collect the following data by asking 18 car owners how many years they will drive their current car from the time they bought it until they trade it in: 5 7 8 4 9 10 8 5 4

    asked by Aailyah
  75. algebra

    yalll please help what is equivalent to 3(2x-5) = 4(x+3) ?

    asked by natalie
  76. Science

    How does lead get into water?(1 point) It occurs naturally in water. It is a byproduct of detergents interacting with organic matter. It leaches into water as old pipes corrode. It is released into waterways with industrial waste.

    asked by Anna oop
  77. Math

    Which operation can you use to solve the equation 2/9x = 12? a.Subtract 12 from each side b.Add -2/9 to each side c.Divide both sides by 9/2 d.Multiply both sides by 9/2

    asked by IKTA!
  78. Math

    Find the volume of a square pyramid with a base length of 14.2 cm and a height of 3.9 cm one point 18.5 CM exponent of three 71.0 CM exponent of three 262.1 CM exposure to three 786.4 CM exponent of three

    asked by New
  79. Statistics

    A researcher studying salaries of police officers around the nation surveyed 64 officers and found a mean salary of $71,228 with a standard deviation of $7,425. Make a 99% confidence interval for the mean salary of all police officers.

    asked by Aailyah
  80. Math

    So just wanna be correct, 5x+6(x-2)-8(x-3) A. 19x+36 @@@ B19x+12 c. 3x-36 D.3x+12

    asked by SFS
  81. management

    why are some charges not reported as revenue for health care organizations?

    asked by Sherri Anderson
  82. History

    Which of these New Mexican ethnic groups is most likely to celebrate its heritage by having a powwow? A. African American B. Asian American C. Mexican American D. Native American

    asked by i miss my brother
  83. social studies

    How did knowing how to cut and stack stones help early Andean civilizations grow?

    asked by jayden
  84. Writing

    Write a good paragraph with the following words: Reluctant Suggest Among Nervous Habits Thank You If You Do 😗

    asked by Kadence
  85. Algebra

    Find the velocity of a ball of mass 0.01kg Midway when projected from a height of 10m and has a maximum height of 5m

    asked by Christopher
  86. math

    The rear gear of a bike has a radius of 1.69" and the front gear has a radius of 4.38" and the tire has a radius of 12.6." How far will the bike travel if the pedals are rotated through 180º?

    asked by harvey
  87. math

    The path of water from a hose on a fire tugboat can be approximated by the equation y = −0.006x2 + 1.2x + 10, where y is the height, in feet, of the water above the ocean when the water is x feet from the tugboat. When the water from the hose is 6 feet

    asked by anonymous
  88. Civics

    1.In the Supreme Court case, United States v. Windsor the court decided that the Defense of Marriage Act violated which of the following? A.the comity clause B.the Due Process clause of the Fifth Amendment C.state’s rights D.reasonable discrimination

    asked by Help
  89. math

    1.00 -3.00

    asked by peyton
  90. Algebra

    Is the equation true, false, or open? 4y + 8 = 6y +3

    asked by Dixie
  91. Math

    The ratio of red marbles to blue marbles in a jar is 2 to 5. If there are 35 marbles in the jar, how many red marbles are there? Do have the right answer: 2:35

    asked by Mary
  92. algebra

    -9p-17=10 Answer choices -3 16 18 -16 I think 18

    asked by DingoAteMyBabies
  93. math

    how do i rewrite these so i can graph them? 4x-y=2 x-y=-1

    asked by anime_is_cool
  94. Math

    The ratio of red marbles to blue marbles in a jar is 2 to 5. If there are 35 blue marbles in the jar, how many red marbles are there? 5 x7 =35 2x7=14 red marbles is this right

    asked by Mary
  95. Chemistry

    How many grams of H are in 1 mole of methane? Really having trouble with this and any help would be really appreciated

    asked by Jack
  96. math

    Central Park is a rectangular park in New York City. Find the actual perimeter and area of Central Park.

    asked by Bri
  97. Math

    given that angle ACF ~=~ angle ECF and measure of angle ABF = measure of angle EDF = 90, write a two-column proof to show that Triangle ABF ~=~ triangle EDF

    asked by Madeline
  98. English

    Is this a run-on sentence?: Feudalistic Japan and Europe, followed and were based upon similar ideals, and were formed in the hierarchy; bonds tying individuals together in a descending order: Nobles, warriors to tenants.

    asked by Anastasia
  99. English

    How would you space the latter poem?: With your blue eyes I can hardly resist These emotions that come as a flood to exist Or maybe the ocean waves Reflecting The blue of a penetrating gaze Shadows of sapphire envelope Sea glass washing upon the shores of

    asked by Anastasia
  100. History

    The Hispanic culture is represented in New Mexico through which of the following? Select the two correct answers. A. the architecture of Catholic churches B. the festival of Aki Matsuri C. place names D. rodeo competitions E. powwows and traditional dances

    asked by i miss my brother