# Questions Asked onDecember 2, 2013

1. ## physics

An AC voltage of the form Δv = (100 V) sin(1000t) is applied to a series RLC circuit. Assume the resistance is 400 , the capacitance is 4.60 µF, and the inductance is 0.500 H. Find the average power delivered to the circuit. W

2. ## science

a couple has just learned that their daughter has hemophilia. they alredy have a son who does not have the disease.what are the genotypes of the couple

3. ## Chemistry

What are the formulas of the salts that precipitate when the reaction mixture (n-butyl alcohol, sodium bromide, water, and sulfuric acid) is cooled?

4. ## Science

Match these with the key terms (1) A form of energy that is always transferred from a warmer substance to a cooler one. (2) device that converts hear to a small amount of electric energy often used in temperature sensors. (3) A Push button barbecue lighter

5. ## Math

Estimate each product using rounding or compatible numbers. 1. 0.97 x 312 2. 8.02 x 70 3. 31.04 x 300 4. 0.56 x 48 5. 0.33 x 104 6. 0.83 x 12 7. 0.89 x 51 8. 4.05 x 11 9. 0.13 x 7 10. 45.1 x 5 11. 99.3 x 92 12. 47.2 x 93

6. ## Math

If x^2=25-y^2, what is the value of [(d^2)(y)]\[dx^2] at the point (3,4)?

7. ## Science

A biologist is constructing a cladogram to show the evolutionary relationships between the animals shown below. If anatomical features are used to construct the cladogram, which animal will be placed farthest from the shown animal? The animal shown is an

8. ## Math

How do I find the length of an object on scale drawing? an automobile is 16 feet long; 1 inch equals 6 inches.

9. ## Math Explanation

How can estimating be helpful before finding an actual product.

10. ## Statistic

Community physician's clinic is buying the medical center physician's clinic. they will be adding 24 physicians who treat 62,400 patients per year. There are no credentialed coders employed at medicla center physician's clinic.The coding supervisor at

11. ## calc

When 30 orange trees are planted per acre each tree yields 150 oranges For each additional tree per acre, the yield decreases by 3 oranges per tree. Express the total yield of oranges per acre, Y , as a function of the number of trees planted per acre, x,

12. ## chemistry

SO2Cl2(g) SO2(g) + Cl2(g) The Kp for the reaction is 2.18 at 648 K. A sample of SO2Cl2 is placed in a container and heated to 648 K while the total pressure is kept constant at 9.00 atm. Calculate the partial pressures of the gases at equilibrium.

13. ## science

Which statement explains why light from sun can warm up water in a glass? a)light travels very fast. b)light travels in straight lines. c)water reflects light energy. d)water absorbs light energy.

14. ## quick english help

Which of these fragments requires only a predicate in order to be written as a complete sentence? which includes a mountain range the state of Virginia can be divided into different geographical regions by the Atlantic Ocean I think its the lst one?

15. ## math

Sherry is playing the integer game and is given a chance to discard a set of matching cards. Sherry determines that if she discards one set of cards her score will increase by 12. If she discards another set, then her score will decrease by eight. If her

Schell Publishing received a $70,000 promissory note at 12% ordinary interest for 60 days from one of its customers. After 20 days, Schell discounted the note at the bank at a discount rate of 14.5%. The note was made on March 21. What amount of interest asked by Lynda 17. ## Statistics community physicians clinic is a large clinic with 85 physicians. they treat about 8,600 patients each week. coders are expected to code 100 clinic records each day. how many Full Time Employees are needed to code these records? ( assume a five day work asked by Anonymous 18. ## math Matthew parks his car between Karen’s and Patrick’s apartment buildings. The car is 46 m in front of Karen’s apartment building. The angle of elevation from the car to the top of the building is 40°. Matthew’s car is 39 m away from Patrick’s asked by Alex 19. ## physics A child and sled with a combined mass of 53.0 kg slide down a frictionless hill that is 7.63 m high. If the sled starts from rest, what is its speed at the bottom of the hill? asked by John 20. ## Algebra 1 Answer Check (Reiny or Kuai) Are my answers correct? Identify which lines are parallel. 1. y = 6; y = 6x + 5; y = 6x - 7; y = -8 A: y = 6; y = -8; y = 6x +5; y = 6x - 7 (all) 2. y = 3/4x - 1; y = -2x; y - 3 = 3/4(x - 5); y - 4 = -2(x + 2) A: y = 3/4x - 1; y- 3 = 3/4(x -5) Identify asked by Anonymous 21. ## Algebra 1 Answer Check (Reiny) Identify which lines are parallel. 1. y = 6; y = 6x + 5; y = 6x - 7; y = -8 A: y = 6; y = -8; y = 6x +5; y = 6x - 7 (all) 2. y = 3/4x - 1; y = -2x; y - 3 = 3/4(x - 5); y - 4 = -2(x + 2) A: y = 3/4x - 1; y- 3 = 3/4(x -5) Identify which lines are asked by Anonymous 22. ## Physics In this section assume the sound speed in air is 343 m/s. A goose flying toward you at 12.6m/s emits a squawk, which you hear at 258Hz . A)Find the wavelength of the sound you hear B)Find the wavelength of the sound you hear if the goose emits the same asked by sandra 23. ## math find the sale price. round to the nearest cent. 7. regular price:$57.63 percent of discount: 10% $63.39$5.76 $51.87$57.53

. Richard Simons is selling his house. He has a choice of taking $125,000 today or$135,000 in 6 months. If he takes the money today, he can invest it at Valley Bank at 5% interest compounded monthly. c. (1 point) How much would the 125,000 be worth in six

25. ## math

Estimate then find the sum of 94903+49995

31. ## Physical Science

Is it true that electric cars do not generate pollution because they have batteries?

32. ## magnetism and electricity

An infinitely long wire carrying a current of 2 A is bent at a right angle as shown in the Figure. What is the magnetic field magnitude in Tesla a point P, 10 cm from the corner? 6.06810^6 T is wrong

33. ## math

I need to write and explain how I know that 55/80 is not in the simplest form.

34. ## AP Chemistry

The system CO2(g) + H2(g)H2O(g) + CO(g) is at equilibrium at some temperature. At equilibrium a 4.00 L vessel contains 1.00 mole CO2, 1.00 mole H2, 2.40 moles H2O, and 2.40 moles CO. How many moles of CO2 must be added to the system to bring the

35. ## Calculus

Gerber Banana Plum Granola costs $0.89 per 5.5-oz serving; each serving contains 140 calories, 31 g of carbohydrates, and 0% of the recommended daily allowance of vitamin C. Gerber Mixed Fruit Carrot Juice costs$0.79 per 4-oz serving; each serving

36. ## geometry

Deshawn built a model train car. The length of the model train car is 6 in. The scale Deshawn used to build the model train car is 1:36. What is the actual length of the train car in FEET?

37. ## math

Oregon is about 400 miles from west to east, and 300 miles from north to south. If a map of Oregon is 15 inches tall ( from north to south), about how wide is the map?

38. ## biology

In a cross with a mother who carries the allele for hemophilia and a father who has normal blood clotting what would be the expected phenotypes of the offspring? A. all females normal, all males normal B. all females normal, all males with hemophilia C.

39. ## Math

A section of a boardwalk is made using 15 boards. Each board is 9 1/4 inches wide. The total width of the section is 144 inches. The spacing between each board is equal. What is the width of the spacing between each board?

62. ## science

identify three devices that convert electrical energy into light, and give an advantage and disadvantage of each one.

63. ## Physics

Two long, parallel wires carry current in the x-y plane. One wire carries 30 A to the left along the x-axis. The other carries 50 A to the right along a parallel line at y = 0.28 m. At what y-axis position in meters is the magnetic field equal to zero? I

64. ## week 4 SCI207

as discussed in your text, a study by which the commonwealth scientific and industrial research organization (CSIRO) concluded what about Australia's climate?

75. ## physics

On Earth a baseball player can hit a ball 120 m by giving it an initial angle of 45° to the horizontal. Take the acceleration due to gravity as g=10 ms^-2 Suppose the batter repeats this exercise in a space 'habitat' that has the form of a circular

76. ## MATH *

0=-16t^2+80t+96 Solve for t. Can someone please show me the steps on how to do this I can not seem to get it right. Thanks!!

77. ## STATISTICS

To calculate the mean for grouped data, which of the following steps must be completed? a. multiply the number of subjects within each category by the value of that category b. divide the results of the multiplication c. multiply by the number of subjects

78. ## Geometry

The diagonal of a rectangle are 24 inches long intersect at an angle of 60°.Find the perimeter of the rectangle.Pls help me.

79. ## Geometry

The diagonal of a rectangle are 24 inches long intersect at an angle of 60°.Find the perimeter of the rectangle.Pls help me.

80. ## Algebra

2. Write the equation of the circle in standard form. Find the center, radius, intercepts, and graph the circle. x2+y2+8x+2y+8=0

81. ## science

identify three devices that convert electrical energy into light, and give an advantage and disadvantage of each one.

82. ## Calculus kinda with the area of two curves

II don't even know where to start with this can anyone help?!? Find c>0 such that the area of the region enclosed by the parabolas y=x^2-c^2 and y=c^2-x^2 is 270.

83. ## Algebra 1 (Reiny or Kuai)

1. Show that ABCD is a trapezoid. (A: (-2, 5); B: (4, 5); C: (6,2); D: (2, -1)). 2. Write an equation in slope-intercept form for the line that passes through (5,0) and is perpendicular to the line given by y = -5/2x + 6.

84. ## Physics IMP

Two long, parallel wires carry current in the x-y plane. One wire carries 30 A to the left along the x-axis. The other carries 50 A to the right along a parallel line at y = 0.28 m. At what y-axis position in meters is the magnetic field equal to zero? I

85. ## English

Can you please help me figure out a deeper meaning for "society will judge people and it will affect their future" for ex: "sometimes the most valuable lessons are learned by breaking the rules" Childhood is the time to break rules and learn valuable

86. ## Algebra 1

Name the property that is demonstrated by the example. 1. (2x)^3=2^3*x^3=8x^3 I am not sure what to put

87. ## Algebra 1 (Reiny or Kuai)

1. Show that ABCD is a trapezoid. (A: (-2, 5); B: (4, 5); C: (6,2); D: (2, -1)). 2. Write an equation in slope-intercept form for the line that passes through (5,0) and is perpendicular to the line given by y = -5/2x + 6.

88. ## Physical Science

Where do electric cars obtain their energy?

89. ## Physics

Why is warm water used for bathing during cold weather?

90. ## PHYSICS PLZ

Imagine you shoot an electron beam down the center of an ideal solenoid carrying current I. Which of the following will happen? a)The magnitude of the field outside the solenoid will increase. b)The magnitude of the field outside the solenoid will decrease

91. ## Math :)

1.Try to solve this problem without using a formula. Suppose a disease is transmitted from an individual to one other during the period of a week. Each of those two gives the disease to two more people in the second week, so that the total of newly

92. ## physic

If we imagine that a bulb of 300W lights on a sphere of 0,5m of radius. If we consider only the half of the area of the sphere, will it receive 300W ?

93. ## English

1. I returned it for you. 2. I blessed it for you. 3. I dog-eared it for you. 4. I cancelled it for you. 5. I lost it for you. (Are they all grammatical? Would you correct wrong sentences? thank you.)

101. ## Physical Science

How can we talk about the evolution of stars over billions of years when human beings have been observing stars for only a few thousand years?

Explain how to find the equation of the vertical asymptotes of a reciprocal function in full details. * Steve told me to look up in the web, and did, but still i couldn't find the correct one. someone help please....

103. ## math

* Give a linear function with its zero at x = a, what is the equation of the vertical asymptote of its reciprocal function? * Give a quadratic function with its zeros at x = a and x = b, what are the equations of the vertical asymptotes of its reciprocal

104. ## magnetism

Many metals become superconductors (zero resistance, zero loss, zero heating) at low temperatures. If they are warmed above the critical tempareature, the superconductivity is lost. Also, if the metal experiences a magnetic field above a critical value,

105. ## chemistry

I have a balance equation but i need to know how to find the different states of each element. How do I do that? Ca + 2 HNO3 => Ca(NO3)2 + H2

106. ## calc

Find an equation for the tangent line to the curve x2y + xy3 = 2 at the point (1, 1).

107. ## Chemistry

I do not understand why this cannot go to equilibrium? Na2CO3(aq)+HCl(aq)->H2O(l)+CO2(g)+NaCl(aq)

*The below is a scenario in which I have to make an IRAC for (not sure if you know what that is) but read the scenario and see if "Faye" is able to leave legally without ramifications. You must also list the legal rules that apply to this scenario..(for

109. ## PHYSICS

An inductor (L = 405 mH), a capacitor (C = 4.43 µF), and a resistor (R = 400 ) are connected in series. A 50.0 Hz AC generator produces a peak current of 250 mA in the circuit. (a) Calculate the required peak voltage ΔVmax. V (b) Determine the phase

110. ## math

A group of hikers walk to a lake near the park. They hike 2,408 meters to the lake. They take a shortcut back to the park that is 1,457 meters long. How many kilometers is their hike ?

111. ## English

Writing letters that will never be read frees you to say anything at all. You can write to those people whose petty meanness stung you or whose significant cruelties really hurt you. It’s open season on expressing as much rage or sadness or wonder as

112. ## Math

Hello I am having trouble with a pre-calculus problem. The problem is ln|Sin2X-CosX-1|=0 if you could help by listing the steps to solve that would be great! Thanks!

113. ## English

was or were? Between the moment when Crooks and Lennie (was/were) in his room..

114. ## PRE-ALGEBRA

A 55-minute long distance phone costs 2.75.What is the cost per minute

115. ## math

45yards/minutes=______in./s

116. ## math

5oz / min =____________qt/dat

117. ## math

15kg/min=_________g/s

121. ## math

Find the value of z = 0.94

122. ## Math

Find the z-score such that the area under the standard normal curve to the left is 0.25

123. ## english

the blank democratic movement slowly grew stronger as more people began to desire free elections. a:convened b:embarked c:incipient d:generated think its b

124. ## math

find the real zeros of the given functions, use the real zeros to factor f. f(x)=-2x4power+9x3power+2x2power-39x+18

125. ## math

there are 2 times more cats than the number of dogs at a shelter.

126. ## Physics Urgent

In a uniform magnetic field, can an Amperian loop ever have a non-zero value of its line integral with the magnetic field? a)yes b)No, it will always be zero c)depends on the orientation and shape of the loop.

127. ## algebra 1

3x+y=6 4x+2y=8 how do you solve this?

128. ## math

a number is divided by 6.Then 7 is added to the divisor. after dividingby, thye result is 4. what is the number

129. ## Math

Is -4+2y=-2 a direct variation, and if it is what is the constant?

130. ## algebra 1

2x+3y=4 4x+6y=9

131. ## Math

Sam starts from point A at 8:00am and hikes up a mountain path. He arrives at the top, (point B) at 4:00pm. He camps there for the night and the following morning he starts his descent at 9:00am. He travels faster since he goes downhill and arrives at the

132. ## calculas,math

A cylindrical can is made from tin.If it can be contain liquid inside it then what is the parameter of design if we are oblige use the minimum amount of tin.

133. ## Physical Science

Why do we call groundwater in most areas a "nonrenewable resource"?

134. ## Physical Science

Explain how the temperature difference between the poles and the equator drives the motion of the oceans and atmosphere.

135. ## Math

A cylindrical can is made from tin.If it can be contain 1000 m^3 liquid inside it then what is the parameter of design if we are oblige use the minimum amount of tin.

136. ## Math

Explain why 2/3 > 2/6

137. ## Physics

What happens with the heat absorbed by ice during melting?

138. ## Math question

how do i find the scaled measurement of 115x160?

139. ## World History

in the 1500s, Europeans began exploring large areas of North America. what were some of the causes for their exploration?

140. ## space

For NY what is the maximum altitude of the sun on March,June,Sept.,Dec. 21

141. ## Calculus

Find limit as x->-3 of (sin(4x+12))/(5x+15)

142. ## algebra 1

5) x-y=1 3x=3y=3 6) 2x-y=6 3y=-6x=18

143. ## Physics

A 1-liter aluminum container at 20o C is filled with 0.975 liters of mercury at 20o C. If both the container and the mercury are heated, at what final temperature will the mercury completely fill the container? (Hint: this is a volume expansion problem)

asked by Angie Need Help ASAP