1. Consumer Math

Your parents are buying a house for $187,500. They have a good credit rating, are making a 20% down payment, and expect to pay$1,575/month. The interest rate for the motrgage is 4.65%. What must their realized income be before each month and how much

2. Algebra

Which of the following is a solution of x² + 14x + 112 = 0? If necessary, round to the nearest hundredth. A.x = –0.24 B.x = –4.24 C.4.24 D.no solution I think it is D...?

3. Algebra

What is the value of n so that the expression x² + 11x + n is a perfect square trinomial? A.11 B.25 C.30.25 D.36 I think it is C...?

4. Math help

A pyramid has a height of 5 in. and a surface area of 90 in2. Find the surface area of a similar pyramid with a height of 10 in. Round to the nearest tenth, if necessary

5. Linguistics

how many morphemes and syllables are contained in each of the following words? Ohio Algebra Cows Expel Congenital Canoes Cognate Herb Helicopter Saltpeter

6. writing

A. Poe believed that good short stories require a single, unifying effect. Evaluate one of the stories in Unit 2 using Poe’s standard of unity. Do the descriptions, incidents, and images all contribute to the single effect of the story? Is there a single

3. Which of the following is a solution of x² + 14x + 112 = 0? If necessary, round to the nearest hundredth. A.) x = –0.24 B.) x = –4.24 C.) 4.24 *D.) no solution Thank you

8. chemestry

how many grams of dioxygen are required to burn 5.9 grams of C2H5OH?

18. What is one disadvantage of accessing the Internet through a public search engine such as or ? A.) It’s open to anyone, so the information comes from many different people. B.) You won’t be able to access documents that have not been published

10. Physics !

The sonar of a stationary ship sends a signal with a frequency of 5.0x103-Hz through water. If the signals speed is 1.5x103-m/s and the echoes detection is 3.9-sec later. What is the depth of the water under the ship?

11. ap chemistry

Which of I) HCl II) HF III) LiOH IV) HClO2 V) HNO3 are strong acids or strong bases in water?

12. Geometry

line segment ab is the diameter of circle O whose center has coordinates (6,8) . what are the coordinates of point b if the coordinates of point a are (4,2)

Which value correctly completes the statement? 6,501.5 KM = ______ m Options: 1. 6,501,500 2. 65,015 3. 650,150,000 4. 650.15

14. Analytical Chemistry

A 22.617 g sample of aqueous waste leaving a fertilizer manufacturer contains ammonia. The sample is diluted with 70.407 g of water. A 10.883 g aliquot of this solution is then titrated with 0.1072 M HCl. It required 29.32 mL of the HCl solution to reach

15. physics

An MP3 player operates with a voltage of 3.7 V, and is using 0.14 W of power. Find the current being supplied by the player's battery.

16. Physics

Dry air will break down if the electric field exceeds about 3.0 × 106 V/m. What amount of charge can be placed on a capacitor if the area of each plate is 6.7 cm2?

17. math

Find the area of a parallelogram with base b and height h. b = 82 cm h = 16.6 cm .1,361.2 cm2 .6,724 cm2 .137.78 cm2 .98.6 cm2

18. physics

Two point charges totaling 9.00 µC exert a repulsive force of 0.300 N on one another when separated by 0.596 m. (A) What is the charge on each? (B) What is the charge on each if the force is attractive? smallest charg

19. IB Chemistry

Which statements are correct for an endothermic reaction? I. The system absorbs heat. II. The enthalpy change is positive. III. The bond enthalpy total for the reactants is greater than for the products. A. I and II only B. I and III only C. II and III

20. geometry

triangle abc is similar to def, the lengths of the sides of triangle abc is 5,8,11. what is the length of the shortest side of triangle def if its perimeter is 60?

21. English

the sequence in which James Thurber placed Walter Mitty's daydreams in the short story "The Secret Life of Walter Mitty."

22. Physical Science

what will have a greater effect on the intensity of a sound, doubling its power or halving its distance? Explain your answer.

23. Math

Mr. Hemley stands next to the Illinois Centennial Monument at Logan Square in Chicago and casts a shadow that is 18 feet long. The shadow of the monument is 204 feet long. If Mr.Hemley is 6 feet tall, how tall is the monument?

24. Math

A pizza was cut into 6 slices. Ben ate 1/3 of the pizza. How many slices did he eat?

25. US History

Why was the Fugitive Slave Act so controversial? (3 points) It required all Americans to return runaway slaves to their owners, and free states opposed this law. It required all runaway slaves to be hung, and most people in free and slaveholder states were

26. math

At a park, 96 brown-bag lunches were given out in thirty minutes. If 29 bags remain and x represents the starting number of brown-bag lunches, which equation could be used to determine the value of x?

27. Eng 12

What's the poetic device for this poem? this is only the other half of the poem cause I've already found the first stanza's poetic devices. Other than rhyme schemes, personification and imagery, what else are there in these 2 stanzas? This is a nonsense

28. Physics

The ship in Figure P14.35 travels along a straight line parallel to the shore and a distance d = 500 m from it. The ship’s radio receives simultaneous signals of the same frequency from antennas A and B, separated by a distance L = 800 m. The signals

29. Chemistry

Calculate the mass of HONH2 required to dissolve in enough water to make 255.5 mL of solution having a pH of 10.02 (Kb = 1.110−8).

30. Pre-Algebra

Which of the following examples would show a negative trend? height and weight of students test scores and height of students outside temperature and heating bill none of these

31. chemistry

What is the volume occupied by 20.2g NH3(g) at -25 degrees celsius and 752 mmHg? This is Ideal Gas Law.

32. trig

If sin theta is equal to 5/13 and theta is an angle in quadrant II find the value of cos theta, sec theta, tan theta, csc theta, cot theta.

33. Social Studies

1) The four major kinds of natural vegetation in the United States and Canada are tundra, grassland, desert scrub, and a. permafrost. b. forest. c. swamp. d. all of the above 2) Why is mining important to the economy of the United States? a. It employs

3. Which of the following is a solution of x² + 14x + 112 = 0? If necessary, round to the nearest hundredth. A.) x = –0.24 B.) x = –4.24 C.) 4.24 *D.) no solution Thank you

35. Calculus

1a. 15 ft ladder is placed against a vertical wall. the bottom of the ladder is sliding away from the wall at a rate of 2 ft/sec. How fast is the top of the ladder sliding down the wall when the bottom of the ladder is 9 ft from the wall? 1b. Using the

36. Chemisty

how many grams of oxygen gas will be required to react completely with 92.0 grams of solid sodium to form solid sodium oxide?

3. Which of the following is a solution of x² + 14x + 112 = 0? If necessary, round to the nearest hundredth. A.) x = –0.24 B.) x = –4.24 C.) 4.24 *D.) no solution Thank you

38. physics

Two curves on a highway have the same radii. However, one is unbanked and the other is banked at an angle θ. A car can safely travel along the unbanked curve at a maximum speed v0 under conditions when the coefficient of static friction between the tires

39. physics

a moving walkway at an airport has a speed v1 and a length l. a woman stands on the walkway as it moves while the man in a hurry to reach his flight walks on the walkway with a speed of v2 relative to the moving walkway. how long does it take the woman to

40. Physics

The Moon is about 3.8e5 km from the Earth. Find its average orbital speed about the Earth.

41. science

3. Atmospheric pressure at the top of Mt. Everest is about 150 mm Hg. That is why climbers always bring oxygen tanks. If a climber carries a 12.0 liter tank with a pressure of 35,000 mm Hg, what volume will the gas occupy if it is released at the top of

42. algebra

Data from a deer count in forested area show that an estimated 3.16 x 10^3 deer inhabit 1.998 x 10^4 acres of land. What is the density of the deer population? Is this a multiplication or division problem?

43. Physics

A conical pendulum is formed by attaching a 0.200kg ball to a 1.00 m-long string, then allowing the mass to move in a horizontal circle of radius 40.0cm . The figure (Figure 1) shows that the string traces out the surface of a cone, hence the name. A) What

44. physics

a soccer player kicks a rock horizontally off a 40.0-m-high cliff into a pool of water. if the player hears the sound of the splash 3.00 s later, what was the initial speed given to the rock? assume the speed of sound in air to be 343m/s.

45. Math

solve for x in the interval [0,2π): 3csc^2(5x)=-4

46. social studies

1. Which of the following helped to increase the populations of northeastern cities? (1 point) more diversity successful cotton crops growth of factories and trade building of the Erie Canal 2. A boundary was set between Canada and the United States as a

47. Math

3/7 of the people who live in an apartment building are men. 5/8 of the remaining people are women. The rest are children. A total of 220 men and women live in the building. How many people live in the apartment building altogether?

48. Physics

An electron is projected, with an initial speed of vi=1.10e+05 m/sec, directly towards a proton that is essentially at rest. If the electron is initially a great distance from the proton, at what distance from the proton is its speed instantaneously equal

49. chemisty

Hydrogen peroxide can be prepared by the reaction of barium peroxide with sulfuric acid according to BaO2(s)+H2SO4(aq)=BaSO4(s)+H2O2(aq) How many milliliters of 5.00 M H2SO4(aq) are needed to react completely with 30.5 g of BaO2(s)?

50. Social Studies

How did the three phases of Northern industrialization affect the growth of cities? (5 points) How did the immigrants who came to the United States between 1820 and 1860 change the character of the country? (5 points)

51. Physics

A 220g block on a 54.0cm -long string swings in a circle on a horizontal, frictionless table at 70.0 rpm. A) What is the speed of the block? m/s B) What is the tension in the string? N

52. Physics

A 220g block on a 54.0cm -long string swings in a circle on a horizontal, frictionless table at 70.0 rpm. A) What is the speed of the block? m/s B) What is the tension in the string? N

53. Chemistry

Calculate the wavelength of light if 1.50 mol of photons has an energy of 125 kJ. 6.02x10^23 things=1.00 mol(things) c=3.00x10^8 m/sec h=6.626x10^-34 J sec

54. science

are carbon particles and sugar an element, compound,solution, or heterogeneous mixture?

55. Matt

You randomly draw a marble from a bag of 320 marbles. You record its color and replace it. Use the results shown in the table to predict the number of marbles in the bag that are the given color. Blue:10 Green:8 Purple:2

56. Calculus

Water is being poured into an inverted cone(vertex down) of radius 4 in and height 10 in at a rate of 3 in^3/sec. Find the rate at which the height of the water is increasing when the water is 5 in high.

57. math

Write in expanded form. 825

58. Algebra 1

A ladder is resting against a wall. The top of the ladder touches the wall at a height of 15 feet and the length of the ladder is one foot more than twice the distance from the wall. Find the distance from the wall to the bottom of the ladder. (Hint: Use

59. chemistry

the rate of the following reaction is 0.72 M/s. what is the relative rate of change of each species in the reaction? A+4B -> 2C

60. math

Erica painted a picture of her dog. The picture has an area of 3,600 cm2 and is square. She has placed the picture in a frame that is 5 cm wide. What is the perimeter of the picture frame? Is the correct answer 260 cm2?

61. Physics

A police car's siren has a frequency of 567-Hz while traveling at 24.8-m/s. If the car is coming toward you, and you are stationary, what frequency would you hear?

62. ap chemistry

Acid rain has a pH value of 3.0, whereas normal rain has a pH value of 5.6. Calculate the ratio of the hydronium ion in acid rain to that in normal rain.

63. Calculus

A man is 6ft tall and is walking at night straight toward a lighted street lamp at a rate of 5 ft/sec. If the lamp is 20 ft above the ground, find the rate at which the length of his shadow is changing.

64. Physics

The ship in Figure P14.35 travels along a straight line parallel to the shore and a distance d = 500 m from it. The ship’s radio receives simultaneous signals of the same frequency from antennas A and B, separated by a distance L = 800 m. The signals

65. physics

The two plates of a capacitor hold +3200 µC and -3200 µC of charge, respectively, when the potential difference is 700 V. What is the capacitance?

66. geometry!

ABC is an acute angle triangle with points D and E on BC and AC, respectively such that BE and AD are altitudes. AD and BE intersect at H. If ∠BCA=39∘ and ∠EBA=2∠DAB, what is the measure of ∠ABC (in degrees)?

67. physics

a river flows due east at 1.50 m/s. A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 10m/s due north relative to the water. (a) what is the velocity of the boat relative to the shore? (b) if the river

68. ENG1511

an essay: of The sure solution to unemployment is a better quality of education?

69. chem

By what factor does [H+] change for each pH change? (a) 3.60 units (b) 0.33 units how do you do this?

70. chemistry

Calculate the temperature at which it is thermodynamically possible for C (s) to reduce iron(III) oxide by the reaction: 2Fe2O3 (s) + 3 C (s) ---> 4Fe (s) + 3CO2 I don't need a specific answer, but I'm not sure how to approach the problem. I'm assuming it

Which of the following is an example of active reading? A. Skimming over information and taking notes. B. Reviewing a chapter, question as you read, and review notes. C. Speed reading and taking notes in your own words. D. Both B & C.

72. math

2 1/4 hours plus 1 1/2 hours equals ?

73. physics

A kite is hovering over the ground at the end of a straight 47-m line. The tension in the line has a magnitude of 14 N. Wind blowing on the kite exerts a force of 17 N, directed 55° above the horizontal. Note that the line attached to the kite is not

74. Science ASAP

1. Why is mining important to the economy of the United States? It employs many workers. Gold is expensive. Minerals are shipped to Canada. Industries use minerals. 2. What did the British North American Act accomplish? It divided Canada. Canada became an

75. Math

A salesman drives from Ajax to Barrington, a distance of 150 mi, at a steady speed. He then increases his speed by 10 mi/h to drive the 183 mi from Barrington to Collins. If the second leg of his trip took 3 min more time than the first leg, how fast was

76. US History

Can somebody help with my son's study guide? Thank you! What did the Supreme Court cases and the ultimate outcome for the Cherokee suggest about future dealings between the United States government and Native Americans? (3 points) The U.S. government would

77. science

The relationship between a fungus and a green organism is an example of a. neighbors. b. mutualism. c. parasitism. d. saprophytes. In a lichen,does the organism with chlorophyll provides the food?? and is Reindeer moss a lichen??

78. Chemistry

calculate the amount of energy required to vaporize 43.0g of water at its boiling point

79. Science SMI181Q

What volume of hydrogen chloride gas is produced by the reaction of 40 cm3 of chlorine with hydrogen? (First write a balanced equation).

80. physic

A basketball player runs up and down a basketball court 3 complete times in 60 seconds the basketball court is 30 meter long what is the total distance traveled by the players

81. physics

In a cloud chamber experiment, a proton enters a uniform 0.260 magnetic field directed perpendicular to its motion. You measure the proton's path on a photograph and find that it follows a circular arc of radius 6.38 . How fast was the proton moving?

82. chemistry

3 MgCl2(aq) + 2 Na3PO4(aq) ==> Mg3(PO4)2(s) + 6 NaCl(aq) How many milliliters of 0.0800 M Na3PO4(aq) will react with 0.060 mol of MgCl2(aq)?

83. science

7. A helium balloon has a pressure of 40 psi at 20°C. What will the pressure be at 40°C? Assume constant volume and mass.

84. Physics

Calculate the speed in m/s at which Earth revolves about the Sun. You may assume the orbit is nearly circular.

85. Science

How do you balance this equation? Fe2O3+C=Fe+CO2

86. math

Today Angela's cat's age in months is the same as Angela's age in years. In one year her cat's age in months will be 2 times Angela's age in years. Today Angela is ? years old.

87. math

There are 24 counters.how many counters could you add without having to regroup?why?

88. Trigonometry

A water wheel has a radius of 15 ft. A river passing through the water wheel turns the wheel at 11 revolutions per minute(rpm). What is the speed of the river in miles per hour?

89. Alg. I

A rectangle has a length of 6x^3 y^2 - 1 and a width of 3xy + 2. The formula for the perimeter of a rectangle is P=2l + 2w, where l is the length and w is the width. What is the perimeter of the rectangle? Simplify your answer.

90. English

Today, Dad ate two eggs and bacon for breakfast. Label each word, part of speech.

91. university of oklahoma

A 85-g bullet is fired from a rifle having a barrel 0.582 m long. Choose the origin to be at the location where the bullet begins to move. Then the force (in newtons) exerted by the expanding gas on the bullet is 15750 + 9900x - 27500x2, where x is in

92. Eng

How do you make this sentence better? "It makes me feel like it is my second home with my teachers who are like a parent and siblings from another parent(friends)."

93. physic

A basketball player runs up and down a basketball court 3 complete times in 60 seconds the basketball court is 30 meter long what is the total distance traveled by the players

94. Geometry

line segment ab is the diameter of circle O whose center has coordinates (6,8) . what are the coordinates of point b if the coordinates of point a are (4,2)

95. physics

The light from the sun is found to have a maximum intensity near the wave length of 470nm assuming the surface of the sun as a black body,the temperature of the sun is....

96. Calculus

If V volts are measured across a resistance of R ohms in a circuit carrying a current of I amperes, V=IR. At a certain instant, the voltage is 250 and is increasing at a rate of 4 volts/min, while the current is 0.5 AMP and is increasing at a rate of 0.01

97. Calculus

A 15 ft ladder is placed against a vertical wall. the bottom of the ladder is sliding away from the wall at a rate of 2 ft/sec. How fast is the top of the ladder sliding down the wall when the bottom of the ladder is 9 ft from the wall?

98. Math

Triangle A has an area of 19,00cm squared and similar triangle B has an area of 118.75cm squared. Determine what scale factor makes triangle B an enlargement of triangle A

99. chemistry

To raise the temperature of 200.8 g of water from 50.00 °C to 60.00 °C requires how much heat?

100. Math

This year's harvest from a small, remote banana plantation consists of 3000 bananas. The farmer's camel can carry up to 1000 bananas at a time. The market where the bananas are sold is 1000 miles away. Unfortunately, the camel eats one banana each and

101. Physics

An automobile is brought to a stop by applying friction brakes to the wheels. The brakes get hot; their thermal energy is increased. The decrease in kinetic of the car is equal to the increase in thermal energy of the brakes. According to the first law of

102. Trigonometry

A water wheel has a radius of 15 ft. A river passing through the water wheel turns the wheel at 11 revolutions per minute(rpm). What is the speed of the river in miles per hour?

Flying to Kampala with a tailwind a plane average 158km/h. On the return trip the plane only averaged 112km/h while flying back into the same wind. Find the speed of the wind and the speed of the plane in still air.

104. Chemistry

Pantothenic acid id one of the B vitamins. A sample of pantothenic acid was found to produce 3.84 mL of nitrogen gas, N2 at 23 degrees celsius and 785 mmHg. What is the volume of the nitrogen gas (in liters) produced as 29 degrees celsius and 0.993 atm?

105. chemistry

The gaseous product of a reaction is collected in a 12.0 L container at 280C. The pressure in the container is 3.5 atm and the gas has a mass of 96.0 g. What is the molecular mass of the gas?

125. history

When the First World War ended, Americans welcomed what they hoped would be a “return to normalcy.” The decades that followed, however, are ones which would rarely be described as normal, in comparison to what came before or after. During these

126. chemistry

If you are given 718 grams of lead (iv) oxalate, how many atoms of oxygen do you have?

127. Algebra

This is a 2-part problem and I solved the first part, but can't get the second. Brad has a circular garden with a radius of 3 feet. There are 54 flowers in his garden. He wants to plant different flowers in a 1-foot border all around his garden. What is

128. MONGU COLLEGE

In a single swing pendulum moves through an angle of 1.92 Radian. (a). Determine the length of arc treated by the pendulum Bob. (b). The area of the sector if the length of the pendulum is 13.2cm.

129. Spanish

Can someone please check if my answers are correct? combina las palabras lógicamente. 1. la langosta 2. la salchicha 3. el ají 4. el caldo 5. el sacacorchos 6. hornear 7. los ingredientes 8. la sal 9. el durazno 10. el aderezo a. el vino b. la toronja c.

130. English/Grammar

There's something wrong with this sentence but I can't put my finger on it!! The federal government has put into effect a mandate that requires all gasoline in Canada to contain 5 percent ethanol.

131. Language Arts

What fact does the author use to support her opinion about bleach? (1 point) 1. Bleach is a poison. 2. Bleach is an expensive part of processing water. 3. Bleach isn’t terrific to have around. __________________________________________ Note: This is not

132. Language Arts

Read the following excerpt from "Saving Water." “Abandon the bathtub, and hit the showers. Sometimes it just feels great to soak in the tub, but the tub holds between nine and 33 gallons (40 to 50 liters) of water, depending on how full we fill it.”

133. finance

anyone have any information on case study of motomart senior captstone business

134. statistics

Assume you want to estimate with the propoportion of student who commute less than 5 miles to work(20) with in 2%, what sample size would you need. Total in survey is 233

135. social studies

The Neutrality Acts of 1935 and 1937 show the United States' desire to ___

136. statistics

The SAT scores of a certain population of students are approximatley normally distributed with a mean and standard deviation of 1000 and 200 points, respectively. the probabilalty that a student selected at random from the population has an SAT score

137. calculus

y= e^-7x cos 5x y'=

138. Math

in a class of 30 students 20 played piano 17 played violin and 7 played both find the number of students who played violin only, piano only

139. math

I am not understanding this question. Can someone help me please? Decide whether the experiment is a binomial experiment. If it is not, explain why. Selecting five cards, one at a time without replacement, from a standard deck of cards. The random variable

140. math

what is 7% of 250,000

141. Physics

(a) The current through a wire is a steady 2.5 amps. How much current passes through it between t = 0 seconds and t = 4 × 10-4 seconds? (b) The current through a wire is given by I(t) = I0e -at, where I0 = 2.5 amps and a = 6 × 103 s-1. How much electric

142. Maths

In a basket of 24 mangoes 1/3 were yellow 5/8 were green and the rest were orange. 1. what fraction of the mangoes were green and ripe? 2. How mangoes green? 3. How many mangoes were orange? 4. What fraction of the mangoes were orange?

143. Grammar,English

I wwas told to write a 3 syllable word for each clue. The first letter is provided. 1.Rational or reasonable [Clue:L} 2.To stand for or symbolise {clue:R]

144. Chemistry

An electrolytic tin-coating process gives the coating 30 millionths of an inch thick. How many square meters can be coated with one kilogram, density 7.30 g/cm^3?

145. Chemistry

30cm of 0.3molar solution (0.3mol) were diluted to 0.1molar solution(0.1mol) by addition of water calculate A. The new molar solution B. Volume of water added

146. chemistry

A certain reaction has an activation energy of 27.34 kJ/mol. At what Kelvin temperature will the reaction proceed 3.50 times faster than it did at 335 K?

147. chemistry

mass of the metal 7.26g volume of water in the calorimeter 10mL initial temp of water in calorimeter 21.5 degrees C initial temp of metal 95.5 d C final temp in mixture in calorimeter 23.8 D C question: calculate the energy lost by the metal taking into

148. math

Identify two different divergent sequences a and b who difference a - b converges.

149. English

Label parts Today, Dad ate two eggs and bacon for breakfast.

150. Math

Serena has a square-shaped garden. She wants to put a fence around the outside of the garden. One side of the garden is 8 feet long. How many feet of fence will she need?

151. statstics

A real estate company is selling 32 houses. One of the houses costs $834,000, but in order to attract more buyers, the price is dropped to$819,000. By how much does this change the average price of the 32 houses?

152. English

Can someone tell me if my sentences are correct, please? I'll be very thankful to you. •When I arrived at the hotel, someone was cleaning my room •If I had known that he was so rude, I would have never married him. •You would tell the truth if you

153. Factoring Trinomials

How do you determine the signs? I know these wouldn't work but look at the signs m2 - 18m - 81 Could you do plus a negative and make them all plus signs? Its the signs im stuck on ugh;(

154. biology help plz?????????????????

Complete the following paragraph relating to the enzyme, β–galactosidase. This enzyme hydrolyses the disaccharide lactose to constituent monosaccharides, galactose and glucose. Drag and drop the appropriate words into the correct space. For white spaces

155. MONGU COLLEGE

In a single swing pendulum moves through an angle of 1.92 Radian. (a). Determine the length of arc treated by the pendulum Bob. (b). The area of the sector if the length of the pendulum is 13.2cm.

157. algebra

The sum of the digits of a certain two-digit number is 7. Reversing its digits increase the number by 9. What is the number. Use x and y. Please help me!!!!

158. physical science

You are at a concert and you are located 97.5-m from the speakers. The frequency belting from the speakers are 216-Hz, if it takes 0.181-sec for the sound to reach your location what is the speed of sound in this facility?

159. physical science

You are at a concert and you are located 95.9-m from the speakers. The frequency belting from the speakers are 257-Hz, if it takes 0.503-sec for the sound to reach your location what is the sounds wavelength?

160. physical science

You are at a concert and you are located 91.2-m from the speakers. The frequency belting from the speakers are 291-Hz, if it takes 0.230-sec for the sound to reach your location what is the sounds wavelength?

162. Math

factor the polynomials using whatever strategy seems appropriate. 12m^2n^2-8mn+1

163. Math

3) Bobby Ray brought 14 gallons of green punch to a St Patrick’s Day party. He wanted to fill each cup with 2/3 of punch. How many people got a cup of punch? _______________

164. biology

Briefly describe the structure and function of three different cellular systems that combine proteins along with necessary RNAs to catalyze covalent bond formation and/or hydrolysis reactions (i.e., function as ribozymes)?

165. government

During its early history, the British Parliament _____.

166. biology

what specific stage during the cell cycle does random fertilization occur?

167. chemistry

Which of the following statements is /are true? Answer a. None of he above. b. Impurities in a solvent raise the freezing point of that solvent c. All of the above d. Non-volatile impurities lower the boiling point of a solvent e. Ions lower the vapor

I have a take over the world assignment to do.. Come up with a way to create a long term, stable dictatorship in Canada. However you have seen what happens in dictatorships when the population becomes dissatisfied. How are you going to ensure that the

169. physics

A unicorn stands atop a 34° hill. The unicorn gracefully slides down the grassy hill with ì=.16. Calculate the acceleration of the unicorn as it begins to slide down the hill. (b) If the unicorn slides for 13.9s before reaching the bottom, how far did

170. chemistry

supposed we mixed 50.0mL of alcohol w/ enough water to make 400mL solution find the % age by volume of 50L??? what is the answer plz answer my qeustion!!!

171. physics

is the work needed to bring a car's speed from 0 to 10 km/h less than, equal to ,or more than the work needed to bring its speed from 10 to 20 km/h? if the amounts of work are different ,what is the ratio between them?

172. SCIENCE

what bicycle parts help the downhill race bike and road race bike and why are they different from normal bikes?

173. Calculus

I know how to do this problem, but I'm stuck at the arc length differential. Set up an integral for the arc length of the curve. (Do not evaluate the integral) x=y^2ln(y), 1

867+734=

374+962+488

176. physics

when 1 g of gasoline is burned in an engine about 48 kj of heat is produced. how much mass is lost in the process? do you think this mass change could directly be measured?

177. physics

the speed of sound in water is 1500m/s how far way from an under see rock show a,b,c diver be show that he can hear is an echo

178. math

Arrange the following in descending order. 0.8333;4/3;81.1%

179. MONGU COLLEGE

Uksis m16 ussr adfd ssa f2b

180. maths

How many ordered triples of positive integers (a,b,c) with 1¡Üa,b,c¡Ü5 are there such that ax^2+bx+c has a rational solution?

181. Math

How high is a wall that casts a 10ft shadow @ the same time that a 6ft flag pole casts a 6ft shadow

182. Chemistry

The standardized NaOH solution was determined to be 120M whereas the mass of the sample of impure tartaric acid was 1.35g. If the initial reading of the buret volume changed from 48 ml to a final reading of 17 ml at the endpoint of the titration of the

183. English

Can someone tell me if my sentences are correct, please? I'll be very thankful to you. •When I arrived at the hotel, someone was cleaning my room •If I had known that he was so rude, I would have never married him. •You would tell the truth if you

184. Chemistry

Would you balance this one SO2 + O2. SO3 Like 2SO2 + O2. 2SO3

185. math

Factor the expression. x2 + 6x + 48 a) (x + 1)(x + 48) b) (x + 6)^2 c) (x + 6)(x + 8) d) Prime Polynomial e) Not factorable i got e... am i doing something wrong

186. calculs

If f(3) =4 g(3)=2 f'(3)=6 and g'(3)=5 find the following numbers a) (fg)' (3) b) (f/g)' (3)

187. Goegraphy

What is the distance on the ground between two places that are 7cm apart on the south africa

188. math

I have two questions 1.) 2750 grams= lbs 2.)2km= yards and in my book I have a completely different answer. Thank you

189. math

As a a test of a new measurement process, 10 measurements are made on pieces of glass known to have conductivity 1. The average of the 10 measurements is 1.07. Indicate whether 1 and 1.07 is a parameter or statistic and explain why. I know 1.07 is a

190. enn103f

need help for Education:an Argument for: and Argument against, ansa based on education

191. science

Two students play in a drumb band. Explain how the students make sounds on the drums. Then explain how one student can make a soft sound while the other student makes a loud sound

192. Geometry

ABC is an acute angle triangle with points D and E on BC and AC, respectively such that BE and AD are altitudes. AD and BE intersect at H. If \angle BCA = 39 ^\circ and \angle EBA = 2 \angle DAB , what is the measure of \angle ABC (in degrees)?

193. Eng 1511

pls correct this sentence for subject-verb agreement Going home now,how I wish I could get there before it starts to rain.

194. Microeconomics

Which statement is FALSE? A. If the U.S. can produce rice more efficiently than Japan can, the U.S. enjoys an absolute advantage. B. Economists dislike both tariffs and import quotas. C. Under the law of comparative advantage, total output is greatest when

195. Physics

A gold wire and a silver wire have the same dimensions. At what temperature will the silver wire have the same resistance that the gold wire has at 20°C?

196. geometry!

ABCD is a parallelogram. E is a point on AB such that 234×AE=EB. Let DE intersect AC at F. What is the ratio AC:AF?

197. Trigonometry

Solve the equation for all values of x. 2sin(2x)-√3=0, on the interval [0,2π).

198. Maths

In a basket of 24 mangoes 1/3 were yellow 5/8 were green and the rest were orange. 1. what fraction of the mangoes were green and ripe? 2. How mangoes green? 3. How many mangoes were orange? 4. What fraction of the mangoes were orange?

199. English

(Choose the correct answer) i hope/wish i was a bird

200. physics

Bob is driving 25 m/s and he turns a corner with a radius of 37 m. How much is Bob accelerating?

Two students play in a drumb band. Explain how the students make sounds on the drums. Then explain how one student can make a soft sound while the other student makes a loud sound

202. physics

a chinook salmon

203. math( pre-algeba)

there were 6 purple socks and 4 orange socks in a drawer. Zucky picked one sock without looking(or replacing the first). What is the probability that he picked 2 purple socks?

204. Math

Which is greater 6.13 or 5.99

205. english

does anyone know the movie the dead poet society? I chose a character from the movie, Mr.Keating I need help giving example of how mr.keating embodies Transcendentalism, romanticism, and realism I really need help with giving example of romanticism and

206. Geometry

How do you find the apothem of a regular pentagon? Hexagon?

207. math

How can I have 10 trees and plant 5 rows of four?

208. Finance

CAN SOMEONE PLEASE PLEASE HELP ME WITH A FINANCE QUESTION THAT I POSTED YESTERDAY,WEDNESDAY,FEB 27TH @ 5:58PM.PLAEASE,ANY AND ALL HELP WILL BE GREATLY APPRECIATED

209. science

1. Boyle’s law states that if you squeeze a fixed amount of a gas into a smaller volume, the pressure will increase. Explain why in your own words.

210. calculus

Determine the coordinates of the point on the graph of f(x)= (2x+1)^(1/2) where the tangent line is perpendicular to the line 3x+y+4=0

211. geometry

The surface areas of two similar solids are 36sq. yds and 144 sq yds. Find the ratio of their linear measures.

212. Creative writing

Does it make sense to say that someone was "spiraling towards the earth at breakneck speed" or should I pick a better word than spiraling? Any suggestions?

213. Science

asked by Bill Nye The Science Guy
214. science

10. A balloon has a volume of 0.5 L at 20°C. What will the volume be if the balloon is heated to 150°C? Assume constant pressure and mass.

215. fractions

What is the common denominator 1/4,3/8 and2/6and list them from greatest to least.if any one could help.

216. fraction

What is the common denominator for 4/5,5/6 and9/12.list from greastest to least.

217. physics

A police car has passed by you with its siren blazing (529-Hz) while traveling at 28.1-m/s. What frequency would you hear after it has passed by?

218. physics.

A sound wave produced by a clock chime is heard 571-m away 1.1-sec later. If the clock's sound is 434-Hz, what is the sound wave's wavelength?

219. Calculus

I've been trying to solve the improper integral of ln(x)/sqrt(x) dx as a=1 and b=infinity I am required to solve for this question and according to my answer, it is divergent. However, my answer is infinity-4. Is it acceptable to say that infinity minus a

220. physics

A dray horse is being pulled by a rope across a level plow field by a force of 750.0N exerted at an angle of 47° above the horizontal. If the horse’s velocity is constant and the coefficient of friction is ì=.21, determine the mass of the horse.

221. physics

A dray horse is being pulled by a rope across a level plow field by a force of 750.0N exerted at an angle of 47° above the horizontal. If the horse’s velocity is constant and the coefficient of friction is ì=.21, determine the mass of the horse.

222. physics

A dray horse is being pulled by a rope across a level plow field by a force of 750.0N exerted at an angle of 47° above the horizontal. If the horse’s velocity is constant and the coefficient of friction is ì=.21, determine the mass of the horse.

223. math

what property is being used for 3x – 12 + 12 = 33 + 12

224. chemistry

1040 grams of chlorine gas at STP would have what volume?

225. Philosophy

First, translate the following statement pair into the symbols of propositional logic (use the letters P and R) (a) We will have a picnic unless it happens to rain (b) We won’t have a picnic only if it happens to rain Second, use truth tables to classify

226. chemistry

2.06 X 10^25 formula units of aluminum sulfate would have what mass?

227. Math

Compute the following -7/2 x 9^-3/2 + 3/2 x 9^-5/2 + 14 7/2 is a negative fraction. the entire fractions are multiplied by 9 raised to their respective exponents. I can't figure this out. Please help?

228. Language Arts

When the speaker refers to pausing to “enjoy the view / of the trees and the flowers below,” he really is talking about (1 point) looking down at the view from the mountain. giving up the struggle to just focus on his past successes. being inspired by

229. Physics

There is a mass at the end of a 0.6 m string, being swung around overhead at constant acceleration of(3/4)pi rad/sec^2. mass is 39.84 G. need to find how many revolutions there will be before the string breaks, and the time before that happens.

230. math

it takes 10 hours to tile a room that is 8 feet by 10 feet. how many hours would you expect to take to tile a room that is 16 feet by 20 feet

Jan's parents gave her $12. each week after that they give her$5. how much money withh jan have at the end of four weeks? A. $20 B.$32 c. \$28 D. 436

232. biology

What is the ploidy (haploid/diploid) level and how many sister chromatids are there in your own cells during anphase I, anaphase II, and telophase II (includes cytokinesis)?

233. trig

solve tan2x = -28/45 Thank you

234. biology

What do multicellular genomes spend a larger proportion of their sequences on (in terms of enhanced complexity)?

235. Language Arts

Which of the sentences below using direct address is punctuated correctly? (1 point) Please come with me, Sarah, and Tom, to pick Mom’s birthday present. Please come with me, Sarah and Tom to pick Mom’s birthday present. Please come with me, Sarah, and

236. biology

what happens to the UTR during RNA processing?

237. physics

What do you understand by positive and negative zero?

238. Physics

For launching a satellite into orbit around earth, would the proper conservation of energy formula be: Epi + Eki + O work = Epf + Ekf? Would work = 0 for launching a satellite? And, would Epi = -Gm1m2/radius of earth or would it just equal 0 (because we

239. English 11 B

What are some effects of war on literature?

240. US History

Sorry, theres another one my son is stuck on.

241. Physics

A 1000 kg car is accelerated from rest to 100 miles/hour in 10 seconds. Find the output power of this car

242. Calculus

Calculus If V volts are measured across a resistance of R ohms in a circuit carrying a current of I amperes, V=IR. At a certain instant, the voltage is 250 and is increasing at a rate of 4 volts/min, while the current is 0.5 AMP and is increasing at a rate

243. physics

when 1 g of gasoline is burned in an engine about 48 kj of heat is produced. how much mass is lost in the process? do you think this mass change could directly be measured?

244. Math

How do you find slope ?

245. NJHS Letter Check (plz read it's really important)

I'm writing a letter to the adviser of the NJHS in my school. Please read to see if it's good. If your confused about my post, just read the letter and you'll understand why I'm writing a letter to the adviser and why I post this post. Dear Ms. L, I'd been

246. science

how to calculate 10,000 PE in peson equivalent?

247. PHYSICS

There is a mass at the end of a 0.6 m string, being swung around overhead at constant acceleration of(3/4)pi rad/sec^2. mass is 39.84 G. Tensile strength is 12.4 newtons need to find how many revolutions there will be before the string breaks, and the time

248. Math

2x^2+8x+x+4 factored

249. Science

How do mutations lead to cancer?

250. Science

How do mutations lead to cancer?

251. History

How did the ideas of humanism lead to the reformation?

252. Math

what is arccot 3.107 equals to in rad?

253. Application/Writing Sample

When an application asks for a writing sample, is it a good idea to give them a reflection on a poem?

254. Calc

Differentiate f(x) = ln(x)/sin(x)

255. MONGU COLLEGE

During an experiment conducted on the effort E to lift a load W when using a simple the following values were recorded. ……………………………………………………………………………………………… |Effort E| 20 | 24.8|30 |

256. math

Write 51% as a proper fraction.

257. math

Simplest form. 350-(21+11)

258. Probabilities

A queen on an English chessboard is able to attack in the same row, column and diagonal. The probability that 2 randomly placed queens on an 8 by 8 chessboard will be able to attack each other can be expressed as a/b , where a and b are positive, coprime

259. math

3.4-2.44+5,13 simplest form

260. Calculus

Greetings, So I've been working on this problem: H(x) = (x^4 - 2x +7)(x^-3 + 2x^-4) H'(x)= Kept on getting it wrong and I assumed it was an algebra mistake. After multiple tries I went to a few derivative calculators to check my work... What I saw was the

261. algebra

Factor the expression. x^2 + 6x + 48 a) (x + 1)(x + 48) b) (x + 6)^2 c) (x + 6)(x + 8) d) Prime Polynomial

262. Chemistry

for an assignment I'm writing, I'm trying to find the % efficiency of ethanol. We were given a chart that says ethanol's energy input (MJ/L) is 16.16 and its energy output is 23.58 % efficiency = energy output/energy input x100, so 23.57/16.16 x 100 I get

263. Algebra 1

Clearly show and explain each step for full credit. solve the inequality |4x-3|=5

264. algebra

What set of numbers is described by M={1, 2, 3, 7} L={3, 7, 9} a) {3,7} b) {1, 2, 3, 7} c) {1, 2, 3, 7, 9} d) {1, 2, 3, 3, 7, 7, 9} C? What set of numbers is described by E = {2x | x is an odd number} a) {1, 3, 5, 7, 9 . . .} b) {2, 4, 6, 8, 10, 12 . . .}

265. Math

Find the dy/dx for each of the following 1)y=ln(2x^6-15) 2)y= 3√ 2x^2-3x-1/5 3) y= x^4/x^2+1

266. Math

Factor 6x^2+14x

267. Sound engineering

A Question of engineering about Sound. How to calculate in step by step? Thank you. The octave bands¡¦ Sound pressure levels in dB re 20 £g Pa are: Hz 57 129 220 420 1K 2K 4K 8K dB 85 95 90 80 88 70 68 72 What is the overall A-weighted sound pressure

268. Science

can you please tell me what is the answer to the When the parrot is hungry it makes this noise? thanks

3/x-5/2x

270. English

Could someone help me improve this sentence so it is more understandable and has better word choice? You now know that a wasting gas car is no comparison to a saving electric car.

271. Math

Factor 3x^3=3x

272. Geometry

Luis has a simple calculator that has buttons for the digits 0 through 9, each of the 4 basic operations (+, - ,*,/ ), and an '=' button. Luis pushes a digit followed by the '+' sign, followed by another digit, followed by the '-' sign, followed by another

273. Microeconomics

The demise of the gold standard led to: A. more international trade. B. greater and greater devaluation. C. freely floating exchange rates. D. balance-of-payment surpluses. I think it's C???

274. Physics!!!!

Assume that a scale is in an elevator on the earth. What force would the scale exert on a 53 kg person standing on it when the elevator slows at 1.77 m/s2 while moving upward?

275. math

if x A y means x + (X+1) + (x+2) + (x+3) +..., y times express 12 A 3 in simplest form

276. calculus

Find dy/dx by implicit differentiation. x cos y + y cos x = 1

277. Algebra

what two numbers have the product of -78 and the sum of -3.

278. math

How do I find the decimal equivalent of the fraction 9/4?

279. Polynomials..quick help....

if (x-7) and (x-4) are the factors of px^3 + qx^2 - 5x +84, find the values of p and q.

280. accouant

rectification of error

281. poetry

what is the grouping of lineswithin a poem called

282. calculus

F(x)= ln((3x+6)^4 (x^3 -2)^5 ) F'(x)=

2+9=?

284. Evaluation theory

A. What is the theorist Michael S. Scriven take to be the ultimate purpose of evaluation?What is the subsidiary purpose?D. What is the theorist’s general approach to carrying out purposes?

285. Pre-calculus

*polynomial in standard form 1)5/12+7/18=5/6 2) 3x/(x+1)-1/(x)=______/x^2-1x

286. pyrometallurgy

pyrometallurgy of biotite

287. Math

Simplify the expression: (((((-18((a)^(11))((b)^(-1))((c)^(3)))/(12((a)^(4))((b)^(3))((c)^(0))))))^(-2)) What is step by step answer without negative exponent.