Newest questions and responses by bob
  1. math

    At the local bank, 60% of the employees have 2 or more children. There are 240 employees that have fewer than 2 children. How many employees does the bank have?

    asked on March 20, 2019
  2. math

    A​ salesperson's ratio of successful signups to the number of people called is 0.275. This​ month, the salesperson had 55 signups. How many people did the salesperson call this​ month?

    asked on March 14, 2019
  3. chemistry

    What is the mass of sodium needed to make 2 g of sodium oxide (4Na + O2 → 2Na2O)? Ar values: O = 16, Na = 23. please help I'm really struggling. also please try to explain it to the simplest form because I really don't understand.

    asked on March 14, 2019
  4. math


    asked on March 3, 2019
  5. algebra

    what is the value of 11x^-3y^-1 for x = -1 and y = 2?

    asked on March 3, 2019
  6. Math

    Identify the sequence as arithmetic, geometric, both, or neither 1.7,9,11,13

    asked on February 28, 2019
  7. science.

    837x(348 +72) 8 to the power of 3 = what can you solve? Use the order of operations

    asked on February 26, 2019
  8. math

    Which of the following ordered pairs is a solution of the equation y=-4x^2 I REEEEEEEALLY need help I don't get it.

    asked on February 25, 2019
  9. Math

    3.49, 31/10, 3.497, 3 2/11 in order from least to greatest

    asked on February 13, 2019
  10. math

    what symbols do you have to put to make this statement true;[3 5] 4 [14 2] = 12

    asked on February 12, 2019
  11. math

    the manager of a grovery store asks a store clerk to rearrange a display of canned vegtables in a triangular pyramid. Assume all cans are thr same size and shape. in the first pyramid their is 1 can in the base, second pyramid has 3 cans in the base and

    asked on February 3, 2019
  12. social studies

    what are the consequences of the us war on drugs on mexico A)Mexican drug cartels no longer risk sending illegal drugs into the U.S. B) The poverty rate in Mexico has decreased significantly. C)Illegal drug use in the U.S. has been eliminated.

    asked on February 2, 2019
  13. social studies

    how did the aztecs become so powerful A.they allied with the spanish B.they conquered and enslaved many neighboring peoples C.they traded with europeans for advanced weapons D.they isolated themselves from the other indigenous peoples

    asked on February 1, 2019
  14. math

    A metalworker has a metal alloy that is 25​% copper and another alloy that is 55​% copper. How many kilograms of each alloy should the metalworker combine to create 90 kg of a 49​% copper​ alloy?

    asked on February 1, 2019
  15. history

    Which are examples of the influence of British imperialism in India? (Select all that apply.) a. Britain did not invest in industrialization in India at a time when other world regions were rapidly industrializing. b. Britain gave all Indians full

    asked on January 11, 2019
  16. physics

    Can you find the Spring Constant with the x-displacement(m), height(m), and the mass(kg)? How would it include the conservation of energy needed to relate the speed of the car after launch to the spring constant?

    asked on December 16, 2018
  17. physics

    Can you find the Spring Constant with the x-displacement(m), height(m), and the mass(kg)? If I use a spring to launch a ball from the table and it flies off the ground, how would you measure this constant?

    asked on December 15, 2018
  18. Statistics

    Find a recursive formula for the sequence: 1, -1, -7, - 25

    asked on December 13, 2018
  19. Statistics

    Find the three median y-values that would form the summary points of the median-median line for the dataset in the table. Copy and paste my question into brainly and you'll find an image of the numbers and dataset.

    asked on December 12, 2018
  20. Statistics

    Anybody on this whole site going to school at Connections Academy taking Statistics B? I need help asap. Message me on discord. My username and number is SlimeRancher#7157

    asked on December 12, 2018
  21. Statistics

    The least absolute deviation line equation for the data in the table is m = 0.1 x + 2.9 X 1,6,0.5,4,7.5,12,10,11 y 3,2.5,8,1,1.5,9,13,4 What is the sum of the absolute deviations?

    asked on December 12, 2018
  22. geography

    How did the Minoans spend their time?

    asked on December 4, 2018
  23. math

    A 25% vinegar solution is combined with triple the amount of a 45% vinegar solution and a 5% vinegar solution resulting in 20 milliliters of a 30% vinegar solution. Write an equation that models this situation and explain what each part represents in the

    asked on November 26, 2018
  24. English

    This shows that even with her high budget nearly doubling Trump’s for advertisements and media alone were simply not enough to win the election. does this sentence sound okay? i think it needs be better sounding for some reason

    asked on November 25, 2018
  25. English

    Are there any current debates regarding languages? Like how it causes racism maybe?

    asked on November 24, 2018
  26. English

    Does anyone know a time in history where language played a huge role in creating a great effect on something else? For example, the Navajo speakers in WW2 decoding and encoding their native language supporting the Americans so they won't be intercepted or

    asked on November 23, 2018
  27. science

    what does a cladogram show

    asked on November 20, 2018
  28. math

    Scenario 1: You and your friend enjoy riding your bicycles. Today is a beautiful sunny day, so the two of you are taking a long ride out in the country side. Leaving your home in Sunshine, you ride 6 km due west to the town of Happyville, where you turn

    asked on November 5, 2018
  29. physics

    What is the magnitude of the frictional force present if a 3kg mass being pulled by a horizontal force of 5 newtons towards the right experiences an acceleration of -0.33 m/sec^2?

    asked on October 25, 2018
  30. physics

    (fill in the blanks) The mass of a 300 g object is _______(a). Its weight on Earth is _______(b). An object that weighs 20N on earth has a mass on the moon equal to ________(c)

    asked on October 25, 2018
  31. physics

    A crate filled with food rests on a horizontal floor. Only gravity and the support force of the floor act on it, as shown by the vectors for weight W and normal force N. 1) The net force of the crate is a) zero b) greater than 0 2) The evidence for Numer

    asked on October 25, 2018
  32. physics

    A shot putter throws the shot (mass=7.3kg) with an initial speed of 14.4 m/s at a 34.0 degree angle to the horizontal. Calculate the horizontal distance traveled by the shot if it leaves the athlete's hand at a height of 2.10m above the ground.

    asked on October 25, 2018
  33. physics

    A force acts on a 2kg mass and gives it an acceleration of 3 m/s^2. what acceleration is produced by the same force when acting on a mass of (1) 1kg? (2) 4kg? (3) how large is the force?

    asked on October 25, 2018
  34. physics

    what is the net force acting on a 3kg mass if it is accelerating at a rate of 4 m/sec^2 a) 1.33x10^0 nts b) 0 nts c) 7x10^0 nts d) 1.2x10^1 nts

    asked on October 25, 2018
  35. Math

    On Chatty Cathy’s cell phone plan she pays for minutes used plus a fixed monthly charge. For 500 minutes she pays $35 total, and for 1500 minutes used she pays $55 total. What is her monthly fixed charge? A) $15 B) $20 C) $25 D) $30

    asked on October 23, 2018
  36. ss

    What were new opportunities for African Americans in the field of education? (Choose all that apply.) A.African Americans became presidents and leaders of black colleges. B.African American graduate schools developed.**** C.African American women were

    asked on October 23, 2018
  37. Prealgebra

    Least common multiple of the monomial 5a^2 and 16a^3

    asked on October 16, 2018
  38. Social Studies

    Identify two specific ways the Catholic Church tried to stop the spread of Protestantism

    asked on October 14, 2018
  39. Math

    Simplify: (6 x 10^5) x (3 x 10^4

    asked on October 4, 2018
  40. math

    How to multiply 24 x 435x 13 without a calculator

    asked on October 2, 2018
  41. college algebra

    find two points on the graph other than the vertex and x intercept of f(x)=-(x+5)^2

    asked on October 1, 2018
  42. trigonometry

    A plane starts from point P and flies 240km on a bearing of 120 degrees to Q. At Q the plane makes a 90 degree turn and flies 100km on a bearing of 210 degrees to R. At R the plane again changes directions and flies back to P.

    asked on September 26, 2018
  43. social studies

    Which of the following texts contains commentaries on the teachings of Moses? A. the Writings B. the Torah C. the Hebrew Bible D. the Talmud please help i dont want a bad grade again

    asked on September 20, 2018
  44. social studies HELP

    Prior to the destruction of the Second Temple, which of the following areas of the world contained Diaspora communities? A. Central Asia B. Great Britain C. Japan D. Southern Africa

    asked on September 19, 2018
  45. math

    What set of reflections and rotations would carry rectangle ABCD onto itself? Rectangle formed by ordered pairs A at negative 4, 1, B at negative 4, 2, C at negative 1, 2, D at negative 1, 1.

    asked on September 17, 2018
  46. physics

    a skier is acceleration down a 30.0 degree hill at 3.50 m/s^2. how long (in seconds) will it take her to reach the bottom of the hill. assuming she starts from rest and accelerates uniformly, if the elevation change is 120m?

    asked on July 2, 2018
  47. physics

    a skier is acceleration down a 30.0 degree hiss at 3.50 m/s^2. how long (in seconds) will it take her to reach the bottom of the hill. assuming she starts from rest and accelerates uniformly, if the elevation change is 120m?

    asked on July 2, 2018
  48. AP physics

    a delivery truck travels 9 blocks north, 7 blocks west and 12 blocks southwest. What is the final displacement from the origin? blocks are equal length

    asked on June 24, 2018
  49. math

    Show that 5x7^n+3+11^n-8 is always divisible by 3 for all numbers for n

    asked on June 10, 2018
  50. math

    We define two numerical operations labelled T and R. The effect of T is to add 1 to a number. For example, if we apply the operation T to the number 2 three times in a row, we obtain 3, then 4, then 5. The effect of R is to find the negative reciprocal of

    asked on June 4, 2018
  51. Math

    The angle between two force a and b vectors is 114o. The scalar projection of is – 13 N. Determine the magnitude of b. Can the magnitude be a negative number?

    asked on June 3, 2018
  52. Vectors

    Determine the numbers a, b, and c, such that the vector (a, b, c) is a unit vector with directional angles of 60.3o, 34.0o, and 105o.

    asked on June 3, 2018
  53. math

    Bruce draws rings of rhombuses about a common centre point. All rhombuses have the same side length. Rhombuses in the first, or inner, ring are all identical. Each rhombus has a vertex at the centre and each of its sides that meet at the centre is shared

    asked on May 26, 2018
  54. math

    Diana bought a car for $5000 and plans to sell it to make a 20% profit. What should she sell it for to make the profit she desires?

    asked on May 23, 2018
  55. Geometry

    Tangent Lines practice problems. Unit 7 3. In the figure below, lines that appear to be tangent are tangent. Point O is the center of the circle. Which is the value of x? I am really confused on this question. If anyone could help that would be great

    asked on April 25, 2018
  56. Math

    Adam used the three fractions to make a circle graph dhd

    asked on April 12, 2018
  57. Physics

    The critical angle is the angle at which a ray of light is no longer refracted but completely reflected. True False

    asked on April 8, 2018

    A sphere of mass 50g and diameter 20cm is rolling with a speed of 5cm/sec . What will be its its total energy.

    asked on March 7, 2018
  59. Maths

    The Random Variable X is normally distributed with mean 560 and standard deviation 20. Find P(X

    asked on February 26, 2018
  60. Statistics

    The Random Variable X is normally distributed with mean 560 and standard deviation 20. Find P(X

    asked on February 26, 2018
  61. social studies

    which of the following is not a type of hieroglyphic sign? a.)Alphabetic sign b.)word sign c.)number sign d.)syllabic sign

    asked on February 20, 2018
  62. Precalculus

    Suppose you deposit $10,000 into an account earning 3.5% interest compounded quarterly. After n quarters the balance in the account is given by the formula: 10000(1+0.035/4)^n a) Each quarter can be viewed as a term of a sequence. List the first 5 terms.

    asked on February 6, 2018
  63. Precalculus

    Suppose you deposit $10,000 into an account earning 3.5% interest compounded quarterly. After n quarters the balance in the account is given by the formula: a) Each quarter can be viewed as a term of a sequence. List the first 5 terms. b) Identify the type

    asked on February 6, 2018
  64. Precalculus

    ool and die company buys a machine for $175,000 and it depreciates at a rate of 30% per year. (In other words, at the end of each year the depreciated value is 70% of what it was at the beginning of the year.) Find the depreciated value of the machine

    asked on February 6, 2018
  65. Precalculus

    you borrow $5,000 from your parents to purchase a used car. The arrangements of the loan are such that you make payments of $250 per month toward the balance plus 1% interest on the unpaid balance from the previous month. (a) Find the first year monthly

    asked on February 6, 2018
  66. Geometry

    Complete the following: Describe one way that concepts about similarity could be used in real life. Write two proportions in the form start fraction a over b end fraction equals start fraction c over d end fraction. Only one of your proportions should be a

    asked on January 31, 2018
  67. Precalculus

    A museum borrows $2,000,000 at simple annual interest to purchase new exhibits. Let x represent the amount borrowed at 7%, y represent the amount borrowed at 8.5%, and z represent the amount borrowed at 9.5%. Set up a system of linear equations to

    asked on January 30, 2018
  68. NM History

    Based on your learning in this unit, what is one place that holds special significance for native american identity in new mexico? Give two reasons to justify your choice.

    asked on January 29, 2018
  69. use exactly 100 letters to write a sentence or two


    asked on January 26, 2018
  70. Pre calc

    Evaluate using the Pythagorean indentities Find sinθ and cosθ if tanθ =1/6 and sinθ >0 Help please ! Thank you !

    asked on January 18, 2018

    a +1/3 = 6/7 1. 1 3/21 2. 5/10 3. 7/10 4. 11/21 EXPLAIN PLEASE

    asked on January 7, 2018
  72. math

    a fertilizer covers 5/6 square foot in 1/2 unit rate

    asked on January 7, 2018
  73. Social Studies

    What examples are given of a limited government and an unlimited government in the section? How did each type of government affect its citizens?

    asked on January 4, 2018
  74. algebra

    Sylvia bought a 6-month $1900 certificate of deposit. At the end of 6 months, she received a $209 simple interest. What rate of interest did the certificate pay

    asked on December 13, 2017
  75. health

    which is a main factor that accounts for changes in the american family structure

    asked on December 11, 2017
  76. health

    which is a main factor that accounts for changes in the american family structure 1.casual friends 2.close friends 3.opposite sex friends 4.personal friends

    asked on December 11, 2017
  77. Algebra

    The first term in the sequence is -2 and the fifth term is -1/8 what is the common ratio

    asked on December 7, 2017
  78. Algebra

    The sum of one number and 2 times a second number is 57. The sum of the two numbers is 18

    asked on December 7, 2017
  79. math

    10-2[10-3(2+1)] --------------- 12/3(2)

    asked on December 5, 2017
  80. Language arts

    which word in the following sentence is a conjunction? Wow, aren't computer amazing? A. Aren't B. Wow C. Computers D. amazing Ms. Sue please help

    asked on November 27, 2017
  81. math

    2005 2006 2007 2008 Plant 1 20 4 25 10 Plant 2 25 5 5 48 Plant 3 20 8 20 32 Plant 4 43 10 10 47 Plant 5 40 11 15 48 For which year is the mean the BEST measure of central tendency? A) 2005 B) 2006 C) 2007 D) 2008

    asked on November 24, 2017
  82. Physics

    A desk fan has three (approximately) rectangular sheets of 15.8 cm long and 5 cm wide, each with a mass of 140 g. The fan is rotating at a constant angular speed of 19.8 rad / s when the power is turned off. Due to friction the angular velocity of the fan

    asked on November 17, 2017
  83. Physics

    A uniform disc of 2.98 kg is mounted so that it can rotate in the horizontal plane around a frictionless axis through its center of mass. The angular velocity of the disc at the start is 140 rpm. A hollow cylinder with thin walls and the same radius as the

    asked on November 17, 2017
  84. chemistry

    What is the mass of BaCl2 contained in 250 mL of solution since after the addition of 40.00 ml of AgNO3 0.1020M to 25.00 mL of the BACl2 solution, the excess solution of AgNO3 consumed 15.00 ml of NH4SCN 0.09800 M

    asked on November 13, 2017
  85. physics

    A 1000 kg car traveling is at 40.0 m/ s. To avoid hitting a second car the driver slams on his brakes. The brakes provide a constant friction force of 8000 N. ( a) Find the minimum distance that the brakes should be applied in order to avoid a collision

    asked on November 12, 2017
  86. Check Please !!! Re-written

    I am an aspiring human rights advocate attending the University of Baltimore. I am an individual with many social and political concerns. I am invested in this because I believe…that regardless of individual’s sexual multiplicities and social

    asked on November 12, 2017
  87. eNGLISH

    HELP-REWORD!!! OF DOES IT SOUND CLEAR? Although I am not part of the LGBTQ community, as an outsider, I personally know someone that this bill would relate to. People not in the LGTQQ community may not understand the political forces that impact people in

    asked on November 12, 2017
  88. Math

    ABC has vertices A(0, 6), B(4, 6), and C(1, 3). Find the orthocenter of ABC?

    asked on November 11, 2017
  89. Physics

    An electron is acted upon by a force of 3.50×10−15 N due to an electric field. Find the acceleration this force produces in each case: The electron's speed is 6.00 km/s . =3.84*10^15 The electron's speed is 2.60×108 m/s and the force is parallel to the

    asked on October 30, 2017
  90. math

    1000000 + 100000000000000

    asked on October 24, 2017
  91. Physics

    A block with a weight of 3.7 N is launched along a slope upwards by a spring with k = 2.25 kN / m. The slope makes an angle of 30° with the horizontal and has a vertical height of 0.75 m (measured from the starting point of the block). When the block is

    asked on October 19, 2017
  92. Physics

    A placekicker kicks a football with a velocity of 35 m/sec and an angle of 25˚ above the horizontal. When the football is 10 m off the ground, a. What is the horizontal velocity of the ball? b. What is the vertical velocity of the ball? c. What is the

    asked on October 16, 2017
  93. Physics

    A flight attendant pulls her 66 N flight bag a distance of 359 m along a level airport floor at a constant velocity. The force she exerts is 42 N at an angle of 54° above the horizontal.

    asked on October 15, 2017
  94. math

    what is the property of 7(2-p)=14-7p

    asked on October 12, 2017
  95. math

    7^2 + 24^2 =??? Please someone help!!!!!

    asked on October 12, 2017
  96. math

    An old lady has 125 cats. Seven of them are old, 9 of them are her favorite, 5 of them are both (old and favorite). How many of are neither old nor favorite?

    asked on October 9, 2017
  97. physics

    A sled loaded with bricks has a total mass of 17.0 kg and is pulled at constant speed by a rope inclined at 20.0o above the horizontal. The sled moves a distance of 17.0 m on a horizontal surface. The coefficient of kinetic friction between the sled and

    asked on October 8, 2017
  98. Finite Math

    An urn contains 55 green marbles and 44 red marbles. One marble is​ removed, its color​ noted, and not replaced. A second marble is removed and its color is noted. ​(a) What is the probability that both marbles are green​? red​? ​(b) What is

    asked on October 7, 2017
  99. Chemistry

    Silver(I) nitrate and sodium sulfate react to form silver(I) sulfate and sodium nitrate. Suppose 49.02 mL of 0.040 M silver(I) nitrate solution and 39.48 mL of 0.10 M sodium sulfate solution are mixed. What is the maximum number of grams of silver(I)

    asked on September 26, 2017
  100. Trigonometry

    Two students are passing a ball back and forth, allowing it to bounce once between them. If one students bounce passes the ball from a height of 1.4 m and it bounces 3 m away from the students, where should the second student stand to catch the ball at a

    asked on September 25, 2017


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