# Questions Asked onNovember 25, 2016

1. ## Math

Which of the following is equivalent to the expression 6m + 3? A)2(3m + 3) B)3(2m + 1) C)3(2m + 3) D)6(m + 3) The answer I got was B) 3(2m + 1). How I got this answer was 3 x 2 + 3 x 1 = 6m + 3.

2. ## math

please check my answers below and correct me if i am wrong please 1. At Lexi Corp., sales revenue is \$20 million, the cost of goods sold is \$14 million, operating expenses are \$3 million, and income taxes are \$1 million. What is the company's operating

3. ## Circuits and electronics applications3

Note: In this problem we have chosen numbers for the part parameters to make it easier to compute an answer :-). By the way, it is also hard to arrange zero resistance, except with superconducting materials at very low temperatures. In the circuit shown

4. ## Bio

without oxygen cellular respiration grinds to a standstill although glycolysis can continue to make some atp anaerobically for a short time explain why the oxidative phosphorylation stops why does the citric acid cycle stop

5. ## geometry

what is the probability of rolling a 6-sided die and getting a 4 or a number divisible by 3

6. ## Improving vocabulary

Chapter 11 sentence check 1 and 2 and final check "a cruel tear"?

7. ## maths

convert polar equation into rectangular equation? theta= 4pi/3. Confused kindly help

8. ## Calculus application of sin function

a horizontal position of the pendulum of a grandfather clock can be modelled by h(t)=Acos(2(pi)t/T), where A is amplitude of the pendulum in meters, t is time in seconds, and T is the period of the pendulum, in seconds. If the pendulum has a velocity of

9. ## Drivers ED

A bicyclist is slowly riding in front of you as you prepare to make a right turn at an intersection. What would be your best response? A: Slow down and wait for the bicyclist to move past the intersection*** B:Honk your horn to alert the bicyclist to you

10. ## Circuits and electronics applications3

Figure 1 below shows the circuit we'll be using to explore the step response of an RLC circuit. The voltage source produces a 1V step at t=0. Initially the resistor has been set to 0Ω. We'll be probing the voltage across the capacitor, which will indicate

11. ## maths

An aircraft takes off at an angle of 5.2 degrees to the ground.How high is it when it has moved 2000m horizontally from its take-off point

12. ## Math

Shalya is baking muffins that require 1/2 cup vegetable oil she only has 1/3 cup of vegetable oil left. How much more does she need?

13. ## Math

The sums of n terms of two arithmetic series are in ratio of 2n+1:2n-1. Find the ratio of their 10th terms.

14. ## chemistry

The number of unpaired electrons and the element for [Xe]6s24f145d7: I know the element is Iridium but I cannot figure out the unpaired electrons!

15. ## math 113

an object is thrown upwards and its height h(t) in meters after t seconds is given by the equation h(t)=1+4t-5t^2 .when the object hit the ground.

16. ## Circuits and electronics applications3

Consider the second order low pass filter circuit shown below. The differential equation associated with the input voltage vi(t) and the output voltage vo(t) of this system can be written in the following form: A⋅d2vodt2+B⋅dvodt+C⋅vo=vi Where the

17. ## math

A piece of paper in the shape of a sector of a circle of radius 10 cm and of angle 216 degree just covers the lateral surface of a right circular cone of vertical angle 2θ .Then sinθ is

18. ## physics

an aeroplane has a mass of 15 tonnes. At cruising speed,air flows over the top of it's wing at 150 m/s and under the wing at 120m/s. Calculate the pressure in difference between the top and the bottom of the wing and the surface area underside the wing

19. ## calculus

Find the area of the region cut from the first quadrant by the curve r=2(2-sin2ɵ)½

20. ## math

Use the distributive property to write an expression that is equivalent to the example below: 5(2x + 7) I think my answer is... 45.....How I got this answer was 5 x 2 + 5 x 7=45 10 + 35 = 45 Can you please double check my work?

21. ## math

Mrs, jones is having a pizza party for 19 students. each pizza will be cut in 6 slices. how many pizzas will Mrs jones need to order?

22. ## Physics

If a force of 15kg. wt acts on a mass of 14 kg, what will be its velocity after 8 seconds?

23. ## Chemistry

A reaction of hydrolysis of Ba(NO) in a net ionic form?

24. ## Circuits and electronics applications3

One way to model a vehicle is as a massive object that is connected by springs and shock absorbers to the wheels. Here is a simple model: There is a mass m suspended by a spring with spring constant k and a oil-filled shock-absorber with viscous friction

25. ## English

1. Yosemite is famous for its natural wonders. 2. We arrived at Yosemite in the afternoon. ===================== In the sentences above, what does "Yosemite" mean? Is it Yosemite Valley or Yosemite National Park? - Anonymous, Wednesday, November 11, 2015

26. ## Math

M/S. ABC limited is expected to pay RS. 18 every year on a share of its stock what is present value of a share if money worth is 9% compounded annually

27. ## American Government

which of the following are types of crimes defined under criminal law? civil common felony misdemeanor tort my answers are civil and felony is that correct

28. ## History

What were the details of the Great Compromise?

29. ## American Government

what kind of state court system is set up so that trial courts hears those cases arising within its own district, circuit, or county, no matter what the subject might be? A. appellate courts B. geographically based courts C. state supreme courts D unified

30. ## math

How far from the wall must you place a ladder of length 12m. if the ladder is to touch a point 10m above the ground?

31. ## Calculus

The base of a triangle is decreasing at the rate of 2 cm/ min and the height is increasing at the rate of 1cm/ min. Find the rate at which the area is changing when the base is 8 cm and the height is 6 cm. Is the area increasing or decreasing at that

32. ## Math

The number of ways in which 63 can be expressed as a sum of two or more consecutive positive integers.

33. ## English

Do you know the difference between when you need to use "the" and when you don't need it? I'm not english speaker can you teach me about itt?

34. ## Social Studies

Describe the Texans’ actions—how Texas came to exist. (America - Mexico war)

35. ## Physics

A catapult of a spring constant 100N/M contains 2.0J of elastic potential energy when it is pulled back. What is the extension of the rubber band? I know that E= F/K but I don't know how to work out the force from the information provided, help would be

36. ## Math

How do you write at least 6 fractions from the below ingredients list that serves 4 people. 1 cup all-purpose flour 2 eggs 1/2 cup milk 1/2 cup water 1/4 teaspoon salt 2 tablespoons butter , melted How do I make these fractions? PLEASE PLEASE PLEASE PLEASE

37. ## chemistry NMR helpppp

really really need some help, been stuck on this for toooo long. Some Data: "A" triplet for 3H (2 neighbors) "B" quartet for 2H (3 neighbors) "C" singlet for 3H (no neighbors) "D" singlet for 2H (no neighbors) Alright here is what i have so far: im trying

Because of ____,it may be legal to bribe other businesses and governmen officials in some south american countries,while this practice is still illegal in the u.s

39. ## biochemistry

how many grams each of tris and tris HCl are needed to make up 500ml of 1m tris buffer with a PH of 8.0. pka of tris =8.3 mwt of tris =121 mwt of tris HCl =175

40. ## Electronics

How long does it take for a 10 motivated capacitor with a 1 megaohm resistor in series to charge to 67% (1 time constant) of the applied voltage?

41. ## Physics

Jacob is working on his physics portfolio and stands on a 0.45m high step. If Jacob’s mass is 103kg, what is his potential energy while on top of the step? Givens: Unknown: Equation: Substitute: Solve:

42. ## Trigonometry

I do not know how to find a single function of x or ø by using an identity. How do you find a single function using identities for a problem such as: cos(3pi/4 - x)

43. ## Physics

Jacob is a little too excited about finishing his homework and throws his hands up in the to shout, "I'm done!" He accidentally drops his 2.3 kg pencil straight down from a height of 2.12 m. what will be the kinetic energy of the pencil just before it hits

44. ## chemistry

if i have an isopropyl group and the a carbon with a methyl group on it, will the methyl protons be split by the isopropyl protons? (CH3)2---C-C-(CH3)

45. ## Physics

A playground merry–go–round has a mass of 118 kg and a radius of 1.80 m and it is rotating with an angular velocity of 0.470 rev/s. What is its angular velocity after a 20.0–kg child gets onto it by grabbing its outer edge? The child is initially at

46. ## Calculus AB

Could someone please help me with these tangent line problems? 1) Find the equation of the line tangent to the given curve at the indicated point: 3y^3 + 2x^2 = 5 at a point in the first quadrant where y=1. 2) Show that there is no point on the graph of

47. ## Math

What percent of 7,450 is 1,192

48. ## English

1. You should draw water from a well. 2. You should draw water out of a well. (Are both the same?) 3. The man magically pulled a bird out of his hat. 4. The man magically pulled a bird from his hat. (Are both grammatical?) 5. I don't have a lot of money in

49. ## English

1. Can you imagine people can fly to mars in the future? ------------------- Can we use "believe, guess, suppose, think, and consider" instead of 'imagine? 2. Put on the helmet for safety. 3. Wear the helmet for safety. (Are they all the same in meaning?

50. ## English

1. There used to be a traffic cop on the corner. 2. There used to be a traffic officer on the corner. 3. There used to be a traffic police cop on the corner. 4. There used to be a traffic police officer on the corner. ---------------------------- Can we

52. ## Math

Ron wants to buy a used car and needs to have a down payment of 10% if the car Ron wants to buy costs \$5,300 how much down payment will he need

53. ## Math

80% of what number is 40 ?

54. ## Math

Science is the favorite subject of 73% of student at a school. There are 700 students at the school. How many of them like science best?

55. ## Multiplication

How can you use 4×7 to find the 8×7 find the product.

56. ## Math

At franklin middle school there are 360 students graduating this year after graduation 198 of the students will go to Wilson high school what percent of the graduating students will go to Wilson high school

57. ## Math

Evaluate the following expression: (2 x 3)>2 - 5>2 The answer I got was 11...How I got this answer was 6 x 6 = 36 and 5 x 5 = 25 then I subtracted 36-25=11`

58. ## Chemistry

h2po4(aq) + co34(aq) hco3 (aq) + hpo42 (aq)

59. ## bms 100

an employee,who received fixed annul increments,had a final salary of sh 9000 after 10 years.if his total salary was sh 65000 over the 10 years,what was his initial salary?

60. ## P

Find the resultant of 50 N acting east and 30 N acting 30 degrees northeast.

61. ## Physics

Find the resultant of 50 N acting east and 30 N acting 30 degrees northeast

62. ## Physics

Two glass microscope slides, of length 10 cm, are in contact at one end and separated by a sheet of paper at the other end, which creates a wedge-shaped film of air. The thickness of the paper is t = 59 μm, and the glass has index of refraction n = 1.5.

63. ## Biology

In a population the proportion of homozygotes in 18 times, the proportion of homozygous recessive. Calculate the frequency of the 2 alleles?

64. ## English

When did they arrive at Yosemite? 1. They arrived at Yosemite in the afternoon on July 20. 2. They arrived at Yosemite on the afternoon of July 20. ----------------------- Which answer is right?

65. ## sta

1800 students took the scholarship exam and the resulting scores generated a mean of 40 and SD of 10. How many will pass the exam?

66. ## Math

Place in order from least to greatest -8.2,0.4,2.4?

67. ## Maths

If it is 9am now, what time will it be in 2003 hours from now? Mental way please.

68. ## Earth Science

PLEASE HELP! URGENT! 7. Which letter arrows point to hanging valleys? 8. Which letter arrows point to aretes? 9. Name a peak on the map that is a horn. 10. Feature E on the map is composed of glacial till. What type of glacial feature is E, and how did it

69. ## Trigonometry

I posted this earlier today: I do not know how to find a single function of x or ø by using an identity. How do you find a single function using identities for a problem such as: cos(3pi/4 - x) But I think either I'm trying to find ø or I'm trying to

70. ## Physics, Class XI

If a force of 15 kg. weight acts on a mass of 14 kg, what will be its velocity after 8 seconds? What is the process to apply the formulas in this question? Please help me fast!

71. ## Biology

The concept of receptor affinity does not only apply to the original receptor and ligand. For which of the following pairs of interacting molecules in signal transduction would a change in affinity of one for the other NOT affect how they work in signal

72. ## basic science

3 component of environment

73. ## Cell Biology

The concept of receptor affinity does not only apply to the original receptor and ligand. For which of the following pairs of interacting molecules in signal transduction would a change in affinity of one for the other NOT affect how they work in signal

74. ## Maths

I have a patio which is 3m wide. The roof of this consists of sheets of plastic which are 900mm wide. I have used as few sheets as possible and made all overlaps the same width. What is the width, in millimetres, of this overlap? A. 100 B. 150 C. 200 D.

75. ## Math

An exercise book costs \$0.9 and a pencil cost \$0.6. What is the total cost of buying: 2 exercise books and y pencils in terms of Y?

76. ## Circuits and electronics applications3

We are presented with a familiar first-order circuit: a capacitor driven by a Thevenin source. Now we have a sinusoidal drive that starts at t=0. so the differential equation is RCdv(t)dt+v(t)=vI(t)=Vicos⁡(ωt)u(t) and we are given the initial state

77. ## Circuits and electronics applications3

We are working on finding the particular solution for the first-order linear constant-coefficient ordinary differential equation: RCdvP(t)dt+vP(t)=Vicos⁡(ωt) The new idea is to find the particular solution for the related equation

78. ## Circuits and electronics applications3

In working with complex exponentials we need some simple rules and short cuts for doing the algebra. Remember that a complex number z is a vector in the 2-dimensional plane. It has a length (also called "magnitude") |z| and an angle ∠(z) measured

79. ## Circuits and electronics applications3

Suppose we have a circuit where the ratio of the complex amplitude of the particular integral to the amplitude of the driving sinusoid is VpVi=jωRC1+jωRC Given that R=0.82kΩ and C=10.0nF we will compute the magnitude and phase of this ratio for various

80. ## Maths

The distance between 2 towns is 330km. A train travels between these two towns and returns on the same day. On the return journey, the train left late and so the driver decided to drive the train 5km/h fasterthan its inward journey, and it took 30 minutes

81. ## Science

If The Force Of The Body Is 15 (N) And Travelled In A Particular Direction For 5 Second Calculate The Impulse

82. ## Mathematics

A seller gets 10200rs in a month it includes his monthly sallary 6000 and 6% commission.Then find the total amount of the material he sold.

83. ## Math

A coin is tossed and a three-sector spinner is spun. What are the chances of getting 1 Heads and a 2? *Please answer with a simplified fraction*

84. ## Math

using each digit once what is the largest odd numbers that can be formed using 6'8'and 5.. ano sagot insan.. hehe

85. ## English

1. famous: be known by many people in many places. 2. famous: be known to many people in many places. ------------------------ word: definition Do we have to use 'be known by' ot 'be known to'

86. ## science

A system contains 0.15 m3 of a gas at a pressure of 3.8 bar and 150 C. It is expanded adiabatically till the pressure falls to 1 bar. The gas is then heated at a constant pressure till its change in enthalpy is 70 kJ. Determine the total work done.

87. ## Math

The difference between a number and the number that formed by reversing the digits is 36.if the digit at the tens place is twice the digit at the unit's place.find the number

5x+2=10

89. ## Science

The linear momentum of a car and truck are equal.which have more speed

90. ## Chemistry

Why does the white precipitation turns dark when adding Na2S2O3 drop wise to AgNO3 sollution

91. ## Physics y.s.n.

A body start with an initial velocity of 10metre per second move along the straight line with constant acceleration and the velocity of the body is 50 metre per second the acceleration is reversein the direction find the velocity of the particle as it

92. ## Analytic Geometry

a circle which is centered at (-2,5) and has a radius of 4 units

93. ## math

Factorize:4x^2+20x+25

95. ## Physics

A siren emits a sound of frequency 1200 kHz. With which frequency is it received by a car moving at a speed of 20 m/s. a) Away from the siren? b) Towards the siren?

96. ## Math

Volume of cube 512 find the surface area?

asked by volume of cub 512 find the surface aera
97. ## Maths of class 9

P and q are points on side CD of a parallelogram ABCD. Show that area of trianglePAB =area of triangleRAB

98. ## Chemistry

the solubility of aspartic acid in water is .500 g in 100 mL at 25 degrees C. If .251 g of aspartic acid is dissolved in 50. mL of water at 50 degrees C and let solution cool to 25 degrees C. is the solution supersaturated, saturated, or unsaturated. the