# Bob

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?

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?

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.

4. ## math

(y^-5)^-10y^10

5. ## algebra

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

6. ## Math

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

7. ## science.

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

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.

9. ## Math

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

10. ## math

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

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

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.

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

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?

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

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?

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?

18. ## Statistics

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

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.

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

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?

22. ## geography

How did the Minoans spend their time?

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

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

25. ## English

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

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

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

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?

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)

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

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.

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?

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

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

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

37. ## Prealgebra

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

38. ## Social Studies

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

39. ## Math

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

40. ## math

How to multiply 24 x 435x 13 without a calculator

41. ## college algebra

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

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.

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

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

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.

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?

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?

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

49. ## math

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

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

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?

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.

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

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?

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

56. ## Math

Adam used the three fractions to make a circle graph dhd

57. ## Physics

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

58. ## SCIENCE

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

59. ## Maths

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

60. ## Statistics

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

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

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.

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

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

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

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

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

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.

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70. ## Pre calc

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

71. ## NEED G+HELP ASAP

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

72. ## math

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

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?

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

75. ## health

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

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

77. ## Algebra

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

78. ## Algebra

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

79. ## math

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

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

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

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

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

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

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

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

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

88. ## Math

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

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

90. ## math

1000000 + 100000000000000

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

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

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 54Â° above the horizontal.

94. ## math

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

95. ## math

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

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?

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

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