# Questions Asked onApril 14, 2020

1. ## math

Each week Lance drives two routes, route A and route B. One week he drives route A five times and route B twice. He drives a total of 181 miles that week. The week after, he drives route A twice and route B three times. He drives a total of 112 miles that

2. ## Algebra

If 7 cartons of apple juice and 2 cartons of grapefruit juice cost £6.15 and 5 cartons of apple juice and 8 cartons of gratefruit juice cost £9.19 calculate the cost of 2 cartons of apple juice and 5 grapefruit juice Using Algebraic calculation

3. ## math

Find the inverse of g(x) = 3x^2 - 5

4. ## Physics

A small and a large sphere, of mass M and 3M respectively, are arranged as shown on the left side of the figure above. The spheres are then simultaneously dropped from rest. When the large sphere strikes the floor, the spheres have fallen a height H.

5. ## physics

A 12 V car battery is found to be capable of storing 2.00 kWh of electrical energy. For a certain electric car, it is necessary to develop 1.00 x 104 W of power to drive at 5.56 m/s. (a) Suppose that the car has 10 such batteries which results in 10 times

6. ## Math

Sally earns \$3200 per month. If 6.2% is withheld for Social Security and 1.45% is withheld for Medicare, how much is withheld for FICA tax each month? Round your answer to the nearest cent

7. ## Math

Write the parametric equations of a line perpendicular to 4x + 8y +7 =0 with the same x-intercept as [𝑥,𝑦]=[2,7]+𝑡[−10,3].

8. ## English

'...whose members share similar attitudes.' what grammatical name is given to the above expression and what is its function.

9. ## Science

1. As air gets warmer, _____. a it can hold more water vapor b its relative humidity decreases c its relative humidity increases* d it can hold less water vapor 2. The temperature at which water vapor condenses out of the air is called the _____ point. a

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10. ## MATH

The millage rate in an area is 12.43 mills. What is the amount of property tax for a \$141,300 house?

11. ## Math

A passenger car will go 495 miles on 16.5 gallons of gasoline in city driving. What is the rate in miles per​ gallon?

12. ## Chemistry

How many moles of Al are needed to form 2.43 mol of Al2Br6?

13. ## archaeology

What has been the significance of a written alphabet to past societies?

14. ## Math

State two properties of H.C.F by division method

15. ## Science

Which of the following is alkaline? a. colas b. vinegar c. detergents d. lemon juice I can't figure out whether it would be c., or d. Can you help me out? Thanks!

16. ## Math

4,x,y,32 are in GP, find x,y and the 11th term of the progression.

17. ## Math

An organization will give a prize to a local artist. The artist will be randomly chosen from among 3 painters, 7 sculptors, and 12 photographers. What is the probability that the artist chosen will be a painter or a sculptor? Write your answer as a

18. ## Math

From a platform an object is projected vertically into air. Its height, h metres above ground level after t seconds is modelled by equation h=3+20t-5t^2. At what height above the ground is the platform from which the object was projected? Calculate the

19. ## Science

How to separate salt and sand with natural process

20. ## Math

In a class of 30 ​students, on​ average, 6 will be​ left-handed. If a class includes 27 ​"lefties", estimate how many students are in the class.

21. ## math

What are the coordinates of the vertex of the graph? Is it a maximum or a minimum? a. (−2, −1); maximum b. (−1, −2); maximum c. (−2, −1); minimum d. (−1, −2); minimum the graph shows the shape like a U and it's towards the negative area

22. ## Math

In an office​ building, 51 offices are currently being rented. This represents 30​% of the total units. How many offices are there in the​ building?

23. ## Math

Question : Let Vr = (Ur+1)^2 - (Ur)^2 , where Ur+1 & Ur denote the r+1th and rth term of a sequence where Ur>0 It is given that Sigma(from r=1 to n) Vr = [ (n-2)((2n-3)]/ (n^2 + 1) , where n>= 1 and Ur>0 Show that (1/2)

24. ## English

compare and contrast between drummer boy of Shiloh and civil war journal

25. ## math

The coordinates of points A and B are A(2,3).B(4,-5).M is the midpoint of vector AB.Determine the coordinates of point M and the magnitude of vector BM.

26. ## Math

From a platform an object is projected vertically into air. Its height, h metres above ground level after t seconds is modelled by equation h=3+20t-5t^2. Deduce the equation of axis of symmetry Calculate the greatest height the object reaches.

27. ## History

The Progressive movement was a response to ______. A. European Imperialism and American expansionism overseas B. the effects of rapid industrialization, immigration, and urbanization C. increased governmental involvement in people's lives

28. ## Science

Hello, can you please check this? Saving Energy: Things to consider List 3 - 4 Downsides to Low-Flush Toilets - They are more costly (to install). - They clog more easily (which can lead to more money spent on getting that fixed). Except if it's a pressure

29. ## Math

A group of 7 friends are sharing an order of 5 pizzas. Each pizza is cut into 8 slices. Explain how you could use different fractions to describe the amount of pizza each friend gets.

30. ## math

If \$400 is invested at an interest rate of 5.5% per year, find the amount of the investment at the end of 12 years for the following compounding methods. (Round your answers to the nearest cent.)

31. ## Calculus and Vectors

Given a = [1,6] and b = [-1,2], express the vector c = [5,9] as a linear combination of a and b

32. ## Calculus and Vectors

Given u = [2,5] and v = [6,4], determing u (down arrow) v

33. ## math

A single, standard number cube is tossed. What is the probability of getting a 4 or a 5? A. 1 B. 1/5 C. 1/3 D 1/6

34. ## Math

How many 3-digit numbers that are divisible neither by 4 nor by 6 are there?

35. ## Math

The sales tax is ​\$46 on the purchase of a dining room set for ​\$920. Find the sales tax rate.

36. ## Algebra

Y=X2+bx+c (the 2 means squared) Y = 16 when x= 0 Y= 0 when x=-2 Find the values of b & c

37. ## Calculus and Vectors

If a=(5,2) and b=(-3,1) then which of the following vectors represent 3a-2b? a) (9,4) b) (9,8) c) (21,8) d) (21,4)

38. ## Calculus and Vectors

Let a=(5,2) and b=(-3,1), find a (dot) b

39. ## Calculus and Vectors

Let a= (1,2) and b=(-2,0). Find 2a+3b.

x+11+x-1

41. ## Physics

In a pinball game, a compressed spring with spring constant 1.2x10^2 N/m fires an 82 g pinball. The pinball first travels horizontally and then travels up an inclined plane in the machine before coming to rest. The ball rises up the ramp through a vertical

42. ## biology

Are flatworms a species?

43. ## Physics

A system exhibits simple harmonic motion with a frequency of 0.85 cycles per second. Calculate the acceleration experienced by the mass 3.0 m from the equilibrium point.

44. ## math

The width of a rectangle is one half its length. The perimeter of the rectangle is 54 cm. What are the width and length of the rectangle?

45. ## Math

an automobile gasoline tak holds 80 litres. Gasoline weighs 0.803 g/cm^3. what is the weight of the gasoline in a full tank? Give the answer in kilograms rounded off to the nearest tenth kilogram

46. ## Calculus

Is there ever a case where a function can be derived implicitly and explicitly ?

47. ## English

Is Mr. a contraction of 'mister' or 'master'?

48. ## physics

at the moment when a shot putter releases a 5 kg shot, the shot is 3 m above the ground and travelling at 15 m/s. it reaches a maximum height of 14.5 m above the ground and then falls to the ground. if air resistance is negligible, what was the potential

49. ## math

Rationalize the denominator and simplify:4 square root 5+3square root 2 divide 2square root 2-square root 5

50. ## Maths

Two people depart from the same spot.One traveling North at at 5 ft per second and one traveling East at 1 ft per second.How fast are they separating from each other after 5 seconds?

(3x³)²÷9×³

52. ## English

1. Mr. is a shortened form of mister. You use Mr. before a man's name, usually the last name or the full name. [Simple Wikepedia] 2. Mr. [Wikipedia] Mister, usually written in its abbreviated form Mr. (US) or Mr (UK), is a commonly used English honorific

53. ## Math

The surface area of a soft drink with cylindrical shape is given by a formula SA=2×pi×r(r+h), where r cm is radius of can and h cm is the height. The height of a can of wood finish is 5 cm and its surface area is 250cm^2 Substitute values into formula to

54. ## math

which is a set of collinear point A G,H,I B L,H,I C G,H,J D G,I,J

55. ## Social studies

which of the following contributed to suburban growth? a.telivion b.highways c.airplanes d.appliecises **my awnser

56. ## Math

Ramey recorded the favorite sport of students at his school. Football is 44%, Baseball 15%, Basketball 20%and Tennis 20% .What decimal is Baseball? ( Hint: move 2 places to the left)

57. ## Math

I live in a building with 23 units of which 14 are owner occupied and 9 are renters what is the formular in percecentage to owners and renters ?

58. ## English

Okay I went over and revised my writing again and had it read out loud to me. I change some sentences all together. The question I answered was: Batman. Spiderman. Superman. These characters often come to mind as heroes. But what about everyday people?

59. ## statistics

As in an earlier exercise, we assume that the random variables Θ and X are described by a joint PDF which is uniform on the triangular set defined by the constraints 0≤x≤1 , 0≤θ≤x . a) Find an expression for the conditional mean squared error of

60. ## physics

a lightning bolt has a charge of about 5.0 C. How many excess electrons are present?

61. ## Maths

The sum of the digits of a two digit number is 9. If the digits are reversed, the number is 63 more than the original. Find the number

62. ## Science

Budding and Binary fission are alike in that both:

63. ## HISTORY

Which of the following applies to the growth of cities at the turn of the twentieth century? A. Rural migrants found few job opportunities in the cities. B. Many workers lived in crowded and unsanitary tenements. C. Most homes had running water and indoor

64. ## math

Sales of Scooters * tt lc. E H o o) o!c 5000 4000 3000 2U)O 1000 0 .Ian Feb Mar Apr Months The mean monthly sale for the period' January to April, is \$3 OOO. (a) Calculate the TOTAL sales for the periodG) Compleie the diagrern by drawing the bar for the

66. ## History

What destroyed the confederation Tecumseh had built? A. Tecumseh’s death B. Canadian losses in York C. U.S. control of Lake Erie D. U.S. victory at the Battle of Horseshoe Bend

67. ## Calculus/Vectors

Given a = [-2,7], b = [1,1], and c = [-2,-1], determine a*(b+c)

68. ## science

The moon orbits around the earth, which rotates on its own axis. What is the result?

69. ## Math

PLEASE HELP ASAP: Suppose that 48 out of every 120 students at Independence like to dance. And, of the people who like to dance, 3 out of 5 plan to enroll in the Dance Class for next Fall. Based on these ratios, if you survey 500 students at IHS, how many

70. ## Calculus

f(x)=-cos(x^2)+2sin(x) [1,3.5] Find the three roots of f'(x) on the given interval

71. ## math

James has 10 shirts in his drawer: 3 red, 2 black and 5 white. He has 6 pairs of shorts in his drawer: 3 black, 1 blue, and 2 khaki. What is the probability that a shirt and a pair of shorts chosen at random are both black? ______________________

72. ## statistics

Suppose that Θ , X1 , and X2 have zero means. Furthermore, Var(X1)=Var(X2)=Var(Θ)=4, and Cov(Θ,X1)=Cov(Θ,X2)=Cov(X1,X2)=1. The LLMS estimator of Θ based on X1 and X2 is of the form Θˆ=a1X1+a2X2+b . Find the coefficients a1 , a2 , and b . Hint: To

73. ## math

Why is it important to include both a number and a unit when describing a measure? Please help I can't think of anything!!! :(

74. ## biology

With which body system, do you FEEL hot and cold?

75. ## math

Find the equation for each tangent line to the curve x^2 - sin y = y+4 where y=0.

76. ## Civics

a company fires an employee for campaigning for candidates during her own time away from work. The employee files a civil case against the company . A judge rules that the company policy is unconstitutional . What power has the judge used? A judicial

77. ## Social studies

1. Describe feudal Japanese society. What were the roles of shoguns, samurai, daimyo, and peasants? 2. Compare and contrast the Chinese government bureaucracy under the Tang and Song dynasties. How was it similar? How did it differ? 3. Choose one of the

78. ## math

A game involves spinning this spinner. What is the probability of the pointer landing on G? Spinner: (I'm going to start from the left half of the middle, on the bottom.) R, R, R, R, B, B, G, Y A. 1/8 B. 5/8 C. 1/2 D. 3/8

79. ## Physics

Two spacecratfs from different nations have linked in space and are coasting with their engines off, heading directly toward Mars. The spacecrafts are thrust apart by large springs. Spacecraft 1, with a mass of 1.9x104 kg, then has a velocity of 3.5x103

80. ## math

four friends were playing a card game where the smallest number wins. Friend -15 friend -18 friend -12 friend -9 who won the game

81. ## biology

Most cancer cells have ____ number of divisions. a) unlimited b) 100,000 c) 10 d) 100

82. ## Algebra

75g^9 Simplify. Assume g is greater than or equal to zero

83. ## Math

Solve the equation b/-6 = -3 A: -18 B: 18 C: 1/2 D: -1/2

84. ## math

what is 2*5/12?

85. ## Science

which soil layer contains the most humus ? (1) A horizon (2) B horizon (3) C horizon (4) D horizon

86. ## Calculus and Vectors

A 200 N mass is supported by two wires that make angles of 54 degrees and 67 degrees with the ceiling. Determine the tension in each wire.

87. ## Science

A species that influences the survival of many other species in an ecosystem is called what

88. ## math

Determine the equation for the parabola with roots 2 + √5 and 2 − √5 and passing through the point (2,5).

89. ## math

A calcium ion has 20 protons and 18 electrons. Each proton has a +1 charge and each electron has a -1 charge. What is the charge of the calcium ion?

90. ## Calculus and Vectors

A plane flies on a heading of N50 degrees East at a constant speed of 450 km/h. If the velocity of the wind is 70 km/h on a bearing of S30 degrees East, what is the velocity (speed and direction) of the plane with respect to the ground?

91. ## Physics

A 109.8 cord has an equilibrium of 2.27 m. the cord is stretched to length of 8.09 m then vibrated at 52.7 hertz. what is the spring constant

92. ## physics

a box of lollipops accidentally falls from the back of a truck and hits the ground with a speed of 15 m/s. it slides along the ground for a distance of 45 m before coming to rest. a)the time it takes to slide the last 10.0 meters

93. ## History

“General, I have been a soldier all my life. I have been with soldiers engaged in fights by couples, by squads, companies, regiments, divisions, and armies, and should know, as well as any one, what soldiers can do. It is my opinion that no fifteen

94. ## Civics

Which of the following is judicial interpretation? A.determining what the law means in a specific case B.following the law, regardless of one’s personal views C.imposing one’s own personal views on what the law should be D.using the principles of due

95. ## Math

How would i respond to this question? Estimate the circumference of the circle with the given radius or diameter. Use 3.14 for n. round to the nearest unit. i need help and answers

96. ## Math

Fibd dilation factor of a transformed parabola, when vertex 3, 30 and x intercepts 0,0 and 6,0

97. ## Math - Ratios

Suppose that 48 out of every 120 students at Piedmont like to dance. And, of the people who like to dance, 3 out of 5 plan to enroll in the Dance Class for next Fall. Based on these ratios, if you survey 500 students at Piedmont, how many students would

98. ## world history

CHECK MY ANSWERS 1. Which best describes the sequence of events in Hitler’s campaign against the Jews of Germany? A.persecution begins, Nuremberg Laws issued, concentration camps created, death camps created B. Nuremberg Laws issued, persecution begins,

99. ## physics

A hockey puck B rests on frictionless, level ice and is struck by a second puck A, which was originally traveling at 40.0 m/s and which is deflected 30.0° from its original direction. Puck B acquires a velocity at a 45.0° angle to the original direction

100. ## math

what is 2+1001100+25-700+700*2/20

101. ## Science

If the R-value is higher, than does it mean that the insulation keeps in more heat? I'm confused about what the R-value is. I need to plan out the insulation plan for a community centre.

102. ## math

a technician measures the weights of some objects as 12.30z, 9.6 oz, 7.4oz, 11.6oz, 9.2oz, 13.0z, and 8.4oz. Find the total weight in pounds and ounces.

103. ## science

why does an underwater swimmer hears an approaching motorboat before a swimmer on the surface does?

104. ## Chemistry

If 197.1 mL of SO3 is collected (measured at 324 K and 52.6 mmHg) what is the percent yield of the reaction?

105. ## Calculus

f(x) = − cos(x^2) + 2sin(x) How to find critical points, absolute max, and absolute min of f(x) on the interval [1,3.5]?

106. ## math

megan spent 1/4 of her money on a pair of shoes

107. ## Statistics

roll 2 standard dice and add the numbers. what is the probability of getting a number larger than 8 for the first time on the third roll?

108. ## physics

An object with a charge of 2.3 space x space 10 to the power of negative 6 end exponent C and an object of charge negative 4.2 space x space 10 to the power of negative 6 end exponent are .30 m apart. Calculate the magnitude of the force.

-x^2+25=0

110. ## Stats

A simple random sample of size n equals=3737 is obtained from a population with μ equals=6969 and σ equals=1515. ​(a) What must be true regarding the distribution of the population in order to use the normal model to compute probabilities involving the