Questions Asked on
April 16, 2020

  1. math - modular arithmetic

    In the statement below, the two blanks can be filled by positive single-digit numbers in such a way that the statement is always true: $$\text{If }2x\equiv y+5\ (\bmod\ 9)\text{, then }x\equiv \underline{\ \ \ }\,y+\underline{\ \ \ }\ (\bmod\ 9).$$What is

    asked by anonymous
  2. Math/Finance

    Jose started a small business and wants to determine when the business will become profitable. His operating costs can be expressed as y=$10,000+$3,000x, where x is the number of months he stays in business. His sales revenues can be expressed as

    asked by Mikayla
  3. MATH

    Buford pays for a $4000.00 vacation with a credit card that has a 20% APR. He decides to make $200.00 monthly payments. What is the total amount of interest and fees based on the APR?

    asked by Romero
  4. Math/Finance

    Jasmine is taking out a small business loan for her floral shop. She plans to apply for a $30,000 loan with a 5-year term and a 3.75% interest rate. She is unsure of her expected monthly profits, so she wants to know the benefit of a smaller loan. Using

    asked by Donovan
  5. Math

    A company is valued at $100,000,000 and has 5,000,000 shares of stock. What is the value of each share?

    asked by Remy
  6. Geometry

    Use triangle ABC to write the value of tanA as a ratio. Triangle A B C has segment A B that measures 45 units, B C is 28 units, and A C measures 53. Angle B is a right angle. What is the ratio for tanA? Enter your answer as a fraction in simplest form,

    asked by GROOVE
  7. Physics

    5. Salim has a paper route. In the winter time, he puts his newspapers on a toboggan to pull them through the snow. The combined mass of the papers and the toboggan is 24 kg. The coefficient of static friction between the toboggan and the snow is 0.18. The

    asked by help
  8. MATH

    Levi would like to use a credit card to make a $3000 purchase. He is considering two credit options. The first requires a down payment of $1000 followed by monthly payments of $125. The second requires a down payment of $1300 followed by monthly payments

    asked by Romero
  9. Geometry

    In right triangle ABC, ∠A is a right angle, m∠B=44∘, and AC=10. sin44∘≈0.695 cos44∘≈0.719 tan44∘≈0.966 Triangle A B C as described in the text. What is the measurement of BC? If necessary, round your answer to one decimal place, like

    asked by GROOVE
  10. Geometry

    Use triangle ABC to write the value of sinB as a ratio. Triangle A B C with right angle at A, and hypotenuse B C. The following measures are labeled in the figure: A B=5, B C=13, A C=12. What is the ratio for sinB? Enter your answer as a fraction in

    asked by GROOVE
  11. MATH

    Jasmine is taking out a small business loan for her floral shop. She plans to apply for a $30,000 loan with a 5-year term and a 3.75% interest rate. She is unsure of her expected monthly profits, so she wants to know the benefit of a smaller loan. Using

    asked by Romero
  12. Geometry

    In right triangle JKL, ∠L is a right angle, m∠J=62∘, and JK=17. sin62∘≈0.88 cos62∘≈0.47 tan62∘≈1.88 Triangle J K L as described in the text. What is the measurement of JL? If necessary, round your answer to one decimal place, like this:

    asked by GROOVE
  13. Geometry

    Which value is equivalent to sin42∘? a. cos3∘ b. cos90∘ c. cos45∘ d. cos48∘

    asked by GROOVE
  14. Science

    Consider the ideal transformer, where i1(t)=20cos(120πt) Amps and v1(t)=100cos(120πt−45∘) volts, and a = 1 and b = 10. What is the rms value of i2 in amps? what is the amplitude of i2 in amps?

    asked by Arivu
  15. Math

    The surnames of 40 children in a class arranged in alphabetical order. 16 of the surnames begins with O and 9 of the surname begins with A, 14, of the letters of the alphabet do not appear as the first letter of a surname If more than one surname begins

    asked by Isaac
  16. pre-calculus

    Initially 700 milligrams of a radioactive substance was present. After 2 hours the mass had decreased by 5%. Construct an exponential model A(t) = A0ekt for the amount remaining of the decaying substance after t hours. Find the amount remaining after 24

    asked by Maddie
  17. Texas State History

    which of the following best characterizes interest groups in texas? A)The Texas Ethics Commission police interest groups to sop bribery disguised as campaign contributions B)Interest groups in Texas have very little influence on decisions made by texas

    asked by Jojo
  18. Calculus

    A science project studying catapults sent a projectile into the air with an initial velocity of 24.5 m/s. The formula for distance (s) in meters with respect to time in seconds is s = -4.9t2 + 24.5t. Find the time that this projectile would appear to have

    asked by Jon
  19. math

    Find the missing dimension of the cylinder. Round your answer to the nearest whole number. Volume = 10,000π in.3 diameter= 32in

    asked by Jessica
  20. math

    what algebraic expression for the following word phrase: the quotient of 7 and the sum of 9 and z a. 7/9+7z b.7(9+z) c.7/9-z d.7/9+z

    asked by help
  21. Math

    From midnight to 6:00 am, the temperature rose 8°C. At 6:00 am, the temperature was − 20 ° -20°C. What was the temperature at midnight? Please Explain the Answer to Me

    asked by Connexus Smartz
  22. math

    a gift box is 10 inches long and 6 inches wide it is 3 inches tall what is the volume of the box

    asked by omar
  23. Math

    A class of 24 students was asked to identify a team sport in which the have participated. There responses are shown in the plot line.

    asked by Aww yeah this kid is awesome
  24. science

    Moby travels down a halfpipe on his skateboard in five seconds. His speed at the bottom is 10 m/s. What was his acceleration?

    asked by magrvcens
  25. English

    1. What mood or feeling does the description of the setting in the first stanza of "The Highwayman" add to the poem? a. a feeling of drawn-out terror c. a feeling of sad uncertainty b. a feeling of mystery and anticipation d. a feeling of joy and eagerness

    asked by Billlybob
  26. stats

    Researchers are investigating whether people who exercise with a training partner have a greater increase, on average, in targeted exercise intensity compared with people who exercise alone. Two methods of collecting data have been proposed. Method I:

    asked by Anonymous
  27. Chemistry

    True or False: 1. Mass and weight are both independent of gravity. 2. Your weight on the moon is the same as your weight on the Earth. 3. Your mass on the moon is the same as your mass on the Earth. 4. Weigh and Mass are the same thing.

    asked by Sky
  28. Math

    Use the given function value(s), and trigonometric identities(including the cofunction identities), to find the indicated trigonometric function. sec θ = 5 a) cos θ = 1/sec θ = 1/5 b) cot θ = cos θ/sin θ =cosθ/cos(90-θ) I did a but im stuck for b,

    asked by John
  29. Geometry

    Which value is equivalent to cos15∘? a. sin45∘ b.sin75∘ c. sin85∘ d. sin30∘

    asked by GROOVE
  30. Math

    A company developed a Box in the shape of a prism as shown below a formula for the volume of a triangular prism is V = BH which expressing can be used to find beat the area of the base of this prism in square centimeters

    asked by Aaliah
  31. Math

    If 1 cubit ≈ 18 inches and 1 span ≈ 9 inches The tallest person on official record was Robert Wadlow, who stood 8 ft, 11 in. What would Wadlow's height have been in cubits and spans? How does Wadlow's height compare to Goliath's? So basically Goliath's

    asked by Andrea
  32. English

    Is 'tiresome' a two-syllable word or a three-syllable word?

    asked by rfvv
  33. Social Studies

    Which of the following statements about the building of Canada's transcontinental railway is TRUE? A. The workers faced the same challenges in each section of the country. B. The completion of the railway brought many newcomers to the West and changed the

    asked by ❄ Snowflake ❄
  34. Chemistry

    How to write Lewis formula if cyanogen

    asked by Maryam
  35. chemistry

    To what temperature must a given mass of nitrogen at O°C be heated so that both its volume and pressure will be doubled?

    asked by terry
  36. Algebra

    Solve the equations: 48+2x^2=16 k^2 = k 17^2 = 15^2+(2m)^2

    asked by Anonymous
  37. Science

    suppose 2 45g if ice cubes are added in a glass containing 500cm^3 of cola at 20°C. When the thermal equibruim is reached all the ice will.have melted and the temperature of the mixture will be somewhere between 20°C and 0 °C . Calculate the final

    asked by Thato
  38. geometry

    Divers looking for a sunken ship have defined the search area as a triangle with adjacent sides of lengths 2.75 and 1.32 the angle between the sides is 35 degrees. find the search area.

    asked by matt
  39. Home Economics

    Making a single pointed dart

    asked by Ann
  40. math

    example sorry for caps You are designing a rectangular playground. ON YOUR SCALE DRAWING, THE VERTICES OF THE RECTANGLE ARE (6,3), (6,5), AND (8,3). wHAT ARE THE COORDINATES OF THE FOURTH VERTEX? 1: (4,5) 2: (8,5) 3: (8,1) 4: (5,8)

    asked by Math
  41. Math

    You finally get an allowance! You put $2. away in January, $4. away in February, $8. away in March, $16 away in April and followed this savings pattern through to December. How much money do you have in 12 months?

    asked by Anonymous
  42. Algebra

    Solve for d. d2 = 121 Write your answers as integers or as proper or improper fractions in simplest form. d = or d =

    asked by carmella
  43. math

    wha expression is equivalent ti -21+28x

    asked by julie
  44. Math

    Five times the sum of a number and 28 is at most -15

    asked by Anonymous
  45. Economics

    How does the CFA franc remove a trade barrier within West and Central Africa?

    asked by Lillith
  46. math

    The Rodriguez family has a rectangular backyard. They have 200 feet of fencing. The dimensions of their yard are 65 feet wide and 42 feet long. Does the family have enough fencing to build a fence around their backyard?

    asked by jhvljh
  47. Chemistry

    Determine the number of molecules in 8.62 x 10^-3 g of dinitrogen pentoxide. a) 4.80 x 10^19 molecules b) 4.80 x 10^25 molecules c) 4.80 x 10^23 molecules d) 0.931 molecules

    asked by Cameron
  48. Chemistry

    Calculate the number of particles in 7.8 mol MgCl2(s). Indicate the correct type of particle (atom, molecule, ion, or formula unit). a) 4.7 x 10^24 formula units b) 1.3 x 10^23 formula units c) 4.7 x 10 ^24 molecules d) 1.3 x 10^23 molecules

    asked by Diana
  49. Algebra

    A survey of voters explored the relationship between the ages of voters and whether or not they support building skateboard ramps at a local park. Chart: Age In Favor Opposed Total 18-37 40 10 50 38-57 27 23 50 58 and 6 44 50 over Total 73 77 150 1.) What

    asked by Maddie
  50. Math

    What is the surface area that the two pools will cover in the back yard? 7m 3.5m length 4m 3m width

    asked by Demi
  51. Science

    Identify and explain 5 major land biomes by their characteristics that were in your lesson. Open ended question.

    asked by No-Face
  52. math

    Sally has saved 21 quarters over 8 days from washing cars. How many cents does Sally have ?

    asked by Anna
  53. Literature

    What did Louis Pasteur see as a child that haunted him for the rest of his life? a doctor touching a hot poker to the wounds of people bitten by a mad wolf a mad wolf foaming at the mouth and chasing people people dying slowly from a sickness caused by a

    asked by sally
  54. science

    A diffraction grating has a length of 1.1 cm and contains 1.7e4 lines. Calculate the first order diffraction angle for light with a wavelength of 448 nm. Give you answer in degrees. Anyone know??

    asked by Ellie
  55. Math

    Please...I really need help on this question...Thanks. -Noah is trying to create a sequence for his group. He wants the common ratio to be 4, he wants the 5th term to be 15 and he wants the 8th term to be 900. However, this is NOT possible! Explain to Noah

    asked by Klara
  56. English

    Dogs are useful animals (Convert into pronoun form)

    asked by Shereen
  57. math

    A tank on a road roller is filled with water to make the roller heavy. The tank is a cylinder that has a height of 6 feet and a radius of 2 feet. One cubic foot of water weighs 62.5 pounds. Find the weight of the water in the tank.

    asked by Hannah
  58. Math

    Im confused i get a lot of numbers If i go with numbers i think 190 grams better 190 grams cost 1.49 and 850 grams cost 6.99 . Which is better and why .

    asked by Gissell
  59. math

    I am working with standard deviation and the empirical rule. The problem has the heights of basketball players (women) and we first had to turn their heights into feet rounded to hundredths. (eg. 5'10' = 5.83) The mean came out to be 5.92 which is

    asked by lauren
  60. math

    what is the sum? 7/3+(-3/8) a) 65/24 b) 47/24 c) -4/5 d) -5/4 im really suck on this but i think its.. c?

    asked by Elizabeth
  61. algebra

    You compare prices of limousines for the spring dance.Company A charges a $250 fee plus $130 for each hour you use the limo.For a similar limo, Company B charges a $125 fee plus $155 for each hour.After how many hours of use will Company B cost more than

    asked by Anonymous
  62. History

    This was the term given to the southern states after the end of the Reconstruction era. the first two letters are ne

    asked by izecl
  63. Math

    19 mm. Find the area of the coin to the nearest tenth. Use 3.14 for it.

    asked by Yadhira
  64. History

    Which country had the MOST spiritual influence on classical China? A) India Eliminate B) Japan C) Korea D) Mongolia

    asked by kate
  65. Geometry

    A diameter of a circle has endpoints P(-10, -2) and Q(4, 6). a. Find the center of the circle. b. Find the radius. If your answer is not an integer, express it in radical form. c. Write an equation for the circle Can someone please help me by answering

    asked by Ti
  66. Pre-calc

    Find the instantaneous rate of change for the function at the given value. f(x)=5x+9 at x=2

    asked by Sara
  67. Math

    The 24 students in Mrs. Merchiore's homeroom sold 72 magazine subscriptions. The 28 students in Ms. Chapman's homeroom sold 98 magazine subscriptions. Whose homeroom sold more magazine subscriptions per student? How many?

    asked by Zoey
  68. Reading

    Where did Mary Yu Chang before the Chinese Japanese war

    asked by Kierstern
  69. Math

    16 = w/-2

    asked by Nfjd
  70. math


    asked by jordan
  71. math


    asked by Anonymous
  72. Math-Statistics

    Mrs. Smith's reading class can read an average of 190 words per minute with a standard deviation of 20 words per minute. The top 3% of the class is to receive a special award. What is the minimum number of words per minute a student would need to read in

    asked by Clarke
  73. Social Studies

    How does the CFA franc remove a trade barrier within West and Central Africa???

    asked by Eden
  74. math

    what is the quotient of -196 and -7???? A. -28 B. 28 C. 29 D. -29 PLZZZ I really need help fast!!!!

    asked by nioce
  75. math

    A prism is filled with 48 cubes with 3/4 unit side lengths

    asked by Blue Diamonds
  76. Math

    Joe has 4 candy bars to share with 7 friends. What fraction of candy bars will each friend get?

    asked by Keri streete
  77. Math

    How many 1/8s are in 3? Please help me ASAP!

    asked by Zoey
  78. A-Chem

    Potentiometric Acid-Base Titration: The tasks to be performed in Experiment #6 include: A. Preparation of a 0.05 M solution of sodium hydroxide (titrant solution). B. Standardization of the titrant solution. C. Calibration of the pH-meter. D. Determination

    asked by Neet
  79. PreAlgebra

    I have 4 questions I’m stuck on, 1) -4K+2(5k-6)=-3k-39 2) -16+5n=-7(-6+8n)+3 3)10p+9-11-p=-2(2p+4)-3(2p-2) 4) 10n+3(8+8n)=-6(n-4)

    asked by Keekee
  80. Social Studies

    How did European exploration affect East Asian countries?

    asked by Weather
  81. Math

    I really need help on this question. there are two triangles, triangle A has 4x+2 on one side, 7x+7 on the other, and 5x-4 as the base. triangle B however has x+3 as side one, 2x-5 as side two, and x+7 as the base. I need to write an expression in simplest

    asked by Tessa
  82. Math

    An urn contains white and green balls. Six balls are randomly drawn from the urn in succession, with replacement. That is, after each draw, the selected ball is returned to the urn. What is the probability that all balls drawn from the urn are white? Round

    asked by Jack
  83. social studies

    which one of the following conclusions is supported by the results of these studies? (1) characsticts other than ones name have no effect on academic acheivement. (2) unusual names do not determine intellectual development. (3) ethnic group membership is

    asked by becky
  84. math

    Which is equivalent to 12(323)?

    asked by fati
  85. Math

    Compare. use < , = , or > ? -5 _____9 A. < B. = C. >

    asked by Bakugou x Deku
  86. World Studies

    Throughout much of Latin America, people use rushing water to create? A. Swimming pools B. Wells C. Hydroelectricity D. Water parks I think C.

    asked by Amsocool
  87. English

    How is Anne Frank a complex character in The diary of Anne frank Act I and Act II

    asked by Techgenius
  88. Math

    Which set of numbers is contained in the set of rational numbers? A. whole numbers B. natural numbers C. integers D. all of the above*** Am I right?

    asked by mommy's getting a LaRgE diet coke today
  89. Algebra

    Solve: 48+2x^2=16

    asked by Anonymous
  90. Chemistry

    A galvanic cell is constructed with a silver-silver chloride electrode, and a nickel strip immersed in a beaker containing 6.96 x 10-2 M solution of NiCl2. Determine the balanced cell reaction and calculate the potential of the cell. Enter in volts.

    asked by egg
  91. Math

    The ratio of North American Butterflies to South American butterflies at a butterfly park is 7:5. The ratio of South American butterflies to European butterflies is 5:3. There are 105 North American butterflies at the butterfly park. How many South

    asked by Daisy
  92. math

    How is the graph of y = 2x^2 + 4 different from the graph of y = 2x^2? a. It is shifted 4 units up b. It is shifted 4 units down c. It is shifted 4 units right d. It is shifted 4 units left A ball is thrown into the air with an upward velocity of 48 ft/2.

    asked by 𝓜𝓘𝓐
  93. Math

    Sarah wants to build a model of the Golden Gate Bridge for a school project. She decides that her scale model needs to be 1/20th the size of the real bridge. When she looked online, Sarah found that the base of the bridge is 4,200 ft long and 90 ft wide.

    asked by Elizabeth
  94. Math

    Which of the following ordered pairs is a solution of the equation y = -4x(square)?

    asked by A furry uwu
  95. Engineering

    There is circuit with one resistor, one capacitor, one switch and a dc voltage source resistor = 200Ω dc voltage = 10v Capacitor = 10 uf = 0.00001f 1. what is the RC time constant of the circuit? answer: (200Ω)(0.00001f)=0.002s 2. What is the time from

    asked by anonymous
  96. Chemistry

    How do I use Hess's law to calculate enthalpy change? (when given two reactions) (1)Pb(s) + Cl2(g) --> PbCl2(s) Delta H(1)= -359.4 kJ (2)Ni(s) + Cl2(g) --> NiCl2(s) Delta H(2) = -305.3 kJ This is the third reaction: (3) PbCl2(s) + Ni(s) --> Pb(s) +

    asked by Emma
  97. Physics

    A plane flies at an altitude where the atmospheric pressure is 200mmHg. If the pressure inside the cabin is maintained at 760mmHg, calculate the net force on a window whose area is 800cm²

    asked by Fikai
  98. Chemistry

    I have 2 questions. Can someone confirm my answers? 1.) Which of the following would almost always indicate a spontaneous reaction? A.) when a reaction requires the input of energy B.) if delta G is positive C.) when enthalpy is positive and entropy is

    asked by Loren
  99. Chemistry

    The change in entropy for a reaction is 3.0 J/(mol·K) at 25°C. Calculate the change in free energy for the reaction when ΔH = –394 kJ/mol and determine whether it will occur spontaneously at this temperature. Is the answer -395 kJ/mol? and second

    asked by Emma
  100. Engineering

    How long will a 100uf capacitor take to discharge through a 100Ω bleed resistor?

    asked by anonymous
  101. Physics/Science

    What is the relationship between chemical energy and nuclear energy?

    asked by Ghina
  102. Chemistry

    Write the balanced equation for vandadium (II) oxide with iron (III) oxide results in vanadium (V) oxide and iron (II) oxide. 2VO + Fe2O3 - V2O5 + 6FeO2 Not sure if the is correct. We're having to learn this on our own with just what notes we have,

    asked by Hayden
  103. precalculus

    A radio tower is located 450 feet from a building. From a window in the building, a person determines that the angle of elevation to the top of the tower is 24 ∘ and that the angle of depression to the bottom of the tower is 21 ∘ . How tall is the

    asked by sh
  104. precalculus

    A survey team is trying to estimate the height of a mountain above a level plain. From one point on the plain, they observe that the angle of elevation to the top of the mountain is 24∘ From a point 2000 feet closer to the mountain along the plain, they

    asked by sh
  105. precalculus

    A sector of a circle of radius 3 mm has an area of 4 mm². Find the central angle of the sector.

    asked by jeff
  106. Science

    There were 2 important simple rules to Mendel’s inheritance. What were they?

    asked by Knuckles
  107. Engineering

    Draw a plot of the voltage at point v for a period of 0.5 seconds after the switch closes, be sure to accurately label both axis. assume that the capacitor is fully discharged prior to switch closing. Can someone help me draw the graph for the picture in

    asked by anonymous