# Questions Asked onJuly 14, 2011

1. ## chemistry

what is the percent by mass of NaHCO3, in a solution containing 20 g NaHCO3 dissolved in 600 mL H20

2. ## Math

Suppose the interest rate is 8% APR with monthly compounding. What is the present value o an annuity that pays \$90 every 6 months for 5 years?

3. ## physics

Consider a 626N weight held by two cables. The left hand cable had tension T and makes an angle of theta with the wall. The right hand cable had tension 720N and makes an angle of 27 degrees with the ceiling. What is the tesion T in the left hand cable

4. ## physics

A motorcyclist is trying to leap across a canyon by driving horizontally of the cliff that is 70.0 m high at 38.0 m/s. Ignoring air resistance, use energy conservation to find the speed with which the cycle strikes the ground at a height of 35.0m on the

5. ## Chemistry 111

calculate the number of moles of magnesium, chlorine, and oxygen atoms in 8.80 moles of magnesium perchlorate?

6. ## physical science

If the earth had twice its present radius and twice its present mass, what would happen to your weight? Explain. What is the relationship between the radius (R) of orbit of a satellite and its period (T)?

7. ## Chemistry 111

How many moles of methane are produced when 8206 moles of carbon dioxide gas react with excess hydrogen gas?

8. ## physics

An ideal gas is confined to a container with adjustable volume. The pressure and mole number are constant. By what factor will volume change if absolute temperature doubles

9. ## Chemistry 111

How many moles of nitrogen N are there in 71.0g of Nitrous Oxide(N2O)?

10. ## algebra

mike wants to make meatloaf and the recipe calls for six pounds of meat if he uses a 3 to 1 ratio of beef to pork how much pork will he use

11. ## chemistry

At 20°C, a solution contains 120 g of NaNO3 in 100 g of water. Is this solution saturated, unsaturated, or supersaturated?

12. ## Chemistry

Why is the solubility of KHTar greater in a 0.10M NaNO3 solution than in distilled water?

13. ## science

What pressure will be exerted by 10 moles of hydrogen gas in a 7.5 L cylinder at 20°C? (Given: R = 8.314 L∙kPa/K∙mol)

14. ## chemistry

What is the number of moles of gas contained in a 3 L vessel at 300 K with a pressure of 1.50 atm? (Given: R = 0.08205 L∙atm/mol∙K)

15. ## Chemistry 111

How many moles of hydrogen gas would be needed to react with excess carcon dioxide to produce 88.1 moles of water vaporazation?

16. ## Chemistry 111

how many grams of water are needed to react with 80.0g CaCn2?

17. ## MATH

express the repeating decimal as a quotient of two integers 1.63

18. ## algebra 2

You invest \$100,000 in an account with an annual interest rate of 4.5%, compounded semiannually. How much money is in the account after 10 years? Round your answer to the nearest whole number.

19. ## Chemistry 111

As a sample of propane C3H3 contains 14.8 moles of carbon atoms. How many totals moles of atoms does the sample contains?

20. ## geometry

find the area of the equilateral triangle if a side is 8 radical 3m. round to the nearest who number

21. ## Child Psychology

I need someone to check my answers, to make sure that I have answered them correctly. My answers are marked with xxxx next to my choice out of the four choices. 1. Edwin is doing his doctoral work in the area of gifted education. One of the major

22. ## geometry

The diagonals of rhombus FGHJ intersect at point K. If side GH is equal to 3x - 10 and side JH is equal to 6x - 19, find x.

23. ## Chemistry

I just completed a lab called "Acid-Catalyzed Dehydration of an Alcohol: Synthesis of 2-Octenes." I started with 2-octanol and the lab instructions said the product had the possibility of being 1-octene, trans-2-octene, and/or cis-2-octene. I did end up

24. ## chemistry

Assuming all volume measurements are made at the same temperature and pressure, how many liters of oxygen gas would it take to react completely with 7.25 liters of hydrogen gas? Show all of the steps taken to solve this problem. Unbalanced equation: H2 (g)

25. ## Chemistry 111

Calculate the number of moles of alumunium sulfer, oxygen atoms in 9.00 moles of Alumunium sulfate, Al2(SO4)3?

26. ## Physics

A high fountain of water is located at the center of a circular pool as in Figure P1.41. Not wishing to get his feet wet, a student walks around the pool and measures its circumference to be 13.0 m. Next, the student stands at the edge of the pool and uses

27. ## sciene

which of the following insect behaviors is similar to one of the functions of a worker honeybee? 1. a mud-dauber wasp laying an egg in a tubular nest of mud 2. a lightning bug flashing its abdomen to attract a mate 3. a forager ant gathering food to store

28. ## Physics

Your whole family has taken showers before you, dropping the temperature in the water heater to 18 degrees Celsius. If the water heater holds 150 kg of water, how much energy will it take to bring it to 50 degrees Celsius? If the energy is supplied by a 5

29. ## Chemistry 111

how many grams of Nh3 are produced from 5028g CaCn2?

30. ## chemistry

Explain how the addition of a solute affects the vapor pressure of the solvent.

31. ## science: chemistry

Which equation is set up correctly to determine the volume of a 1.5 mole sample of oxygen gas at 22°C and 100 kPa?

32. ## Science

Suppose in a restaurant your coffee is served about 5 or 10 minutes before you are ready for it. If you want the coffee to be as hot as possible when you drink it, should you pour in the room temperature cream right away or when you are ready to drink the

33. ## chemistry

The boiling point of a solution will ______ and the vapor pressure will _______ with a(n)_____ in the amount of dissolved solute.

34. ## Algembra

a train leaves a station and travels north at 85 km/hr. Four hours later, a second train leaves on a parrallel track and travels north at 125km/hr. How far from the station will they meet?

35. ## MATH

EMILY WANTS A NEW DRESS. SHE ONLY HAS \$30 TO SPEND. SHE LIVES IN A STATE WHERE THE SALES TAX IS 5%. ABOUT (ESTIMATE) HOW MUCH CAN THE DRESS COST IF SHE WANTS TO SPEND ALL HER MONEY?

36. ## chemistry

if 0.5 moles of H2SO4 combine with 0.2 moles of CaSO4 then how many moles of Ca(OH)2 will be there?

37. ## accounting

Williams Company's direct labor cost is 25% of its conversion cost. If the manufacturing overhead for the last period was \$45,000 and the direct materials cost was \$25,000, the direct labor cost wa

38. ## calculus

h(x)= integral from (1, 1/x) arctan(2t)dt part 1: let U= 1/x and du= ? -> using u=1/x, we can write h(x)= integral from (1, 1/x) arctan (2t)dt as h(u)= integral from (1,u) arctan(2t)dt and h'(u)= arctan (2) Part 2: By the chain Rule, for functions h(u) and

A job application letter is effective in convincing the reader that an applicant is knowledgeable of the company by? a.)providing relevant evidence from what the applicant has done in the past to support claims that this person can do the job.

40. ## Physics

A 6 µC charge is placed at the origin and a second charge is placed on the x-axis at x = 0.34 m. If the resulting force on the second charge is 4.0 N in the positive x-direction, what is the value of its charge?

41. ## algebra

Solve the equation 3x-3=3. Show all the work.

42. ## chemistry

Doing review for an exam and I can't find how to do this problem in my notes. 2 SO2 + 2 Cl2 -----> 2 SOCl2 + O2 from a previous problem I solved: rate=k[SO2]^2[Cl2] k = 467.666666... or in sig. figs 467 Energy reaction: T= 25 C The activation energy (Ea)

43. ## physics

What's the speed of the Hubble telescope when it is in orbit 598 km above the earths surface?

44. ## american Govt

The governors of most states a serve two-year terms b may serve more than two consecutive terms c are succeeded by the lieutenant government d may be recalled from office by the voters

45. ## american govt

Preparing a State budget is an example of a governor's is it executive? I'm not sure I thought legislative and executive prepares the budget legislative powers executive powers judicial powers constituent powers

46. ## chemistry

How many kilojoules of heat energy does it take to change the temperature of 50 grams of water from 20 C to 24 C?

47. ## Math

describe the pattern you could use to complete the following grid, and then complete it. 0.22 __ __ __ 0.84

48. ## Government

1. Which of the following exerts the most influence over the policies and actions of Japan's House of Representatives? A. The Japan Socialist Party B. The Liberal Democratic Party C. The Supreme Court D. the bureaucracy I'm stuck between b and d? 2. Japan

49. ## physics

What's the speed of the Hubble telescope when it is in orbit 598 km above the earths surface?

50. ## MATH

DANIEL HAS A MONEY MARKET ACCOUNT WITH %1,200. THE BANK OFFERED HIM A SPECIAL RATE OF 5.25% PER MONTH. HOW MUCH MONEY WILL DANIEL HAVE AFTER THE FIRST MONTH?

51. ## physics

What is the kinetic energy of a 29 kg dog that is running at a speed of 7.9 m/s (about 18 mi/h)?

52. ## chemistry

if there were no buffers in our blood, what would happen when we drank something acidic?

53. ## math

List the terms that complete a possible pattern in each of the following and state whether the pattern is arithmetic, geometric, or neither: (a) 38, 33, 28, 23, 18, … (b) 640, 320, 160, 80, … (e) 1, ___, ___, ___ 25, 36, 49

54. ## math-algebra 1

Find the 6th term of the geometric sequence whose common ratio is 1/3 and whose first term is 7.

55. ## Physics

I have these two equations that I'm supposed to set equal to each other and find the answer for h which is height for this problem. But I don't think I'm solving it correctly. 0 - (h/5) = -1.1(v0) - (1/2)(-9.8)(1.1)^2 (v0)^2 = 2(-9.8)(h/5 - h) My final

56. ## physical science

During a rain storm, rain comes straight down with a velocity -15 m/s and hits the roof of a car perpendicularly. The mass of the rain per second that strikes the roof is .060 kg every second. Assuming that the rain cones to rest upon stiking the car (Vf

57. ## statistics

Assume that 90% of the general population is right-handed. Suppose that 100 students are randomly selected. what is the probability that 84% or more is right handed

58. ## physics

Advertisements for A toy balk once stated that it would rebound to a height greater than the hethe height from which it was dropped. Is this possible?

which of the following communication behaviors of interviewees is Most likely to be successful in an interview? A.)using technical jargon appropriate to the position. B.)making it clear that they are using the interview to learn about the company and what

60. ## Stats

You take and SRS of size 25 from a population with mean 200 and standard deviation of 10. Find the mean and the standard deviation of the sampling distribution of your sample mean.

61. ## MATH

THE SMITH FAMILY IS GOING TO BUY A HOME FOR \$150,000. THEY WILL NEED A 10% DOWN PAYMENT. HOW MUCH WILL THEY NEED?

62. ## Government

__________ services are provided by both state AND local government. A. Education and public safety B. Education and defense C. Public safety and industrial regulation D. Urbanization and education I think it's A?

63. ## Math

The winner of a popular lottery is offered one of two options: i) a lump sum of \$102 500 ii) \$1000 every month for 10 years If the money can be invested at 3.0% p/a, compounded monthly, which option should the winner choose? Justify your reasoning. Every

64. ## math

perform the indicated operation reduce answer to lowest terms 3/17 + 6/170=

65. ## science: chemistry

Which equation is set up correctly to determine the volume of a 1.5 mole sample of oxygen gas at 22°C and 100 kPa?

66. ## chemistry

phenol is insoluble in NNAHCO3 solution while acetic acid is soluble.give reason.

67. ## computer graphics

A pie chart needs to be drawn to show the percentage of total marks obtained by students. suppose 8%of studentss got 90% and above ; 52% got 75%to805 ; and 30% got 60% to 75%and remaing otained below 60%mark. no one failed .write an algorithm to drraw the

68. ## chemistry

How many moles of CO2 would be made if you have 8 moles of C3H8? C3H8 + 5O2 → 3CO2 +4 H2O

69. ## physics

A block accelerates at 3.3 m/s^2 down a plane inclined at an angle of 26 degrees.Find micro(k) between the block and the inclined plane. The acceleration of gravity is 9.81 m/s^2. This is my work but i am not sure if it is correct: sum of forces on x axis=

70. ## Physics

A football player runs the pattern given in the drawing by the three displacement vectors A ,B ,C and . The magnitudes of these vectors are A = 4.00 m, B = 17.0 m, and C = 19.0 m. Using the component method, find the (a) magnitude and (b)direction of the

71. ## Science

In the United States, we are fortunate to have an abundant supply of food, and much of this is due to our agricultural technology. However, there are many concerns about our food source, including genetically modified crops, the use of more chemicals, and

72. ## algebra II

Barry Newman's savings account has a balance of \$2707. After 4 years, what will the amount of interest be at 5% compounded annually?

73. ## 5/90 lotto winning numbers

how can i work for three winning numbers out of the 90 numbers

74. ## Physics

Explain a situation when the normal force is not equal to the force of gravity

75. ## geometry

In a circle with centre P,a chord AB is parallel to a tangent & inersects the radius drawn from a point of contact at the midpoint of the radius .If AB=12,FIND THE RADIUS OF THE CIRCLE.

76. ## stats

Use normal approximation(Z-score for p-hat) to find the probability that student scores 80% or lower on a 100 question quiz. A)If the test contains 250 questions, what is the probability that student will score 80% or lower

77. ## stats

Fred rolls a die 200 times and rolls a "5" 28 times. How unusual is freds experiment? Do you believe his die is fair?... extended ... what if fred had rolled the die 200 times and came up with a "5" only 20 times?

78. ## science

Two masses traveling in the same direction (m1=10kg u1=9ms^-1) (m2=8kg u2=4ms^-1). They both collide and move off together. What is their resultant velocity after collision. The loss of kinetic energy.

79. ## MATH

LINDA INHERITED AN ESTATE WORTH \$225,000. THE ATTORNEY TOLD HER THAT THE INHERITANCE TAX WAS 7% AND THAT THEY WOULD DEDUCT IT FROM THE ESTATE BEFORE GIVING HER THE MONEY. HOW MUCH MONEY WILL LINDA RECEIVE?

80. ## Statistics - Probability

The probability of receiving a "false positive" from a mammogram is 7%. What is the probability that out of 10 mammograms, a patient receives at least 1 false positive?

81. ## geometry

ABCD is a parallelogram. If AB is equal to 2x + 1 and CD is equal to x + 13, find x

82. ## statistics

In our initial survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation 3.03. Using this information, what would be the first and third quartile be for the class? ( P(Z

83. ## calculus

h(x)= integral from (1, 1/x) arctan(2t)dt part 1: let U= 1/x and du= ? -> using u=1/x, we can write h(x)= integral from (1, 1/x) arctan (2t)dt as h(u)= integral from (1,u) arctan(2t)dt and h'(u)= arctan (2) Part 2: By the chain Rule, for functions h(u) and

84. ## English

How does the medium in which you are communicating your message influence your writing and editing styles? I think it means medium of writing is what type of writing the person is doing. But I am not sure help please :-) I am a little confused.

85. ## literature

during the renaissance, dramatists began writing about? A. science B. religion C. history D. everyday people. i think its c. history

86. ## Inorganic Chemistry

I messed up on my titration: filled part of the burette with a supersaturated solution of KHTar(2.073g...MM=188.18amu) dissolved in 150mL diH2O, instead of the 0.051M NaOH solution. I know it wasn't more than a few mL, but I noticed a huge difference in

87. ## geometry

an isosceles triangle has a perimeter of in. the congruent sides measure (2x+9)cm. The length of the third side is 3 x cm. what is the value of x?

88. ## Chemistry

When NaCl dissolves in water it breaks up in sodium ions (Na+)and chloride ions(cl).500 ml of a 1M solution of NaCl contains how many (NA+) ions

89. ## chemistry

If I have 30 glucose molecules, how many CO2 molecules will that produce?

90. ## Chemistry

You want to determine the molar heat of solution of sodium chloride using a 10.0 g sample of NaCl(aq) and 50.0 mL of water in a coffee cup calorimeter. Which of the following equations would you use? Assume the specific heat of the solution is the same as

(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not

92. ## Statistics

In a survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation of 3.03. Given that Normally distributed populations have a first quartile of Z=-0.67 and a third quartile of Z=.67, what does this suggest about whether or

93. ## physics

On take off, the combined action of the engines and wings of an airplane exerts a(n) 7767 N force on the plane,directed upward at an angle of 59.1 degrees above the horizontal. The plane rises with constant velocity in the vertical direction while

94. ## Algebra

Translate the following statement into English (~r v q)-> ~p The v in the center is for "disjunction" and "or" and that is an arrow meaning "if-then" after the parentheses. p=Jamie is on the train q=Sylvia is at the park r=Nigel is in the car

95. ## math

There are nine cubes how can i arrange the numbers 1-9 in the boxes.Their sums vertically,horizontally,and diagonally must be 15. Note:each digit should be used only once. please do help me

96. ## MATH

EVALUATE 5x - 2y + 4z WHEN x=3, y=2, AND z=4 ??

97. ## science(Chemistry)

Calculate the concentration of the NaOH solution. If 30,0cm3 of a standard oxalic acid[(COOH)2] solution of concentration 0,5 mol.dm-3,is used to neutralize 25,0 cm3 of a sodium hydroxide (NaOH) solution. The balanced chemical equation for the reation is

98. ## physics

A net force gives a 10th kg object an acceleration of 2.0m/s . If the same force were applied to a 20 kg object what would its acceleration be?

99. ## chemistry

why does the melted wax turns solid when dropped on water ?

100. ## geometry

Triangles ABF and EDG are congruent. Triangles ABF and GCF are equilateral. AG = 24 and CG =1/5 AB. FInd the total distance from A to B to C to D to E

101. ## physics

An elavater m=800kg has a maximum load of 8 people of 600kg. The elevatorgoes up to 10 stories = 30m at a costant speed of 4m/s. what is the average power output of the elevater motor if the elevater is fully loaded with its maximum weight? (neglect

102. ## chemistry

How could I determine if one rock is denser than another rock?

103. ## algebra 2

The pH of a solution is given by the formula pH = -log H+ , where H+ is the concentration of hydrogen ions in moles per liter in the solution. Use this formula to solve the problem. Round answer to one decimal place if necessary. Find the pH of a sample of

104. ## Geometry

Triangles ABF and EDG are congruent. Triangles ABF and GCF are equilateral. AG = 24 and CG =1/5 AB. FInd the total distance from A to B to C to D to E

105. ## chemistry

What are the products ? CH3-CH2-CH2-CH3 + Br2→

106. ## statistics

In our initial survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation 3.03. Using this information, what would be the first and third quartile be for the class? ( P(Z

107. ## Math

(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not

108. ## algebra

Solve x: 2 over 5x+2=10

109. ## chemistry

if someone has a blood sugar number of 200 after 12 hours of fasting, what would you tell the patient?

110. ## chemistry

What is the product when ethanol is oxidized?

111. ## math

there are six cubes ho can i arrange the numbers 1-9 in the boxes.their sums vertically,horizontally,and diagonally must be 15. Note:each digit should be used only once. please do help me

112. ## math

There are nine cubes how can i arrange the numbers 1-9 in the boxes.Their sums vertically,horizontally,and diagonally must be 15. Note:each digit should be used only once. please do help me

113. ## geometry

JOhn and Jason are standing 12 feet apart. Julie is standing 31 degrees NW of Jason. John is standing 49 degrees SW of Julie. can you uniquely determine how they stand with respect to each other? on what basis?

114. ## math

x^+8x+20 as a perfect square plus a constant then sketch the graph

115. ## Corporate finance

A 1,000 face value bond has a remaining maturity of 8 years and a required return of 7%. The bond's coupon rate is 8%. What is the fair value of bond?

116. ## Chemistry

37 grams of Ca(OH)2 in 500 ml of solution is

117. ## Maths

The length and breadth of a rectangle are in the ration 8:5. The length is 10.5 centimeters more than the breadth. What are the length and breads of the rectangle? Kindly give steps also.

118. ## PHYSICAL SCIECE

A seismic wave has a velocity of 5000 m/s and a frequency of 4Hz. wht is the wavelength of this wave? if this was a light wave traveling in a vacuum with the same wavelength, what would be its period?

119. ## stats

Can someone please help me, I have been working on this for 2 hours now and I keep getting a negative answer. You are given the following data. Number of Absences Final Grade 0 99 1 94 2 79 3 73 4 68 5 53 - Find the correlation coefficient for the data. -

120. ## chemistry

What is/are the amino acid products when we have an mRNA that is AUGAAAUUU?

121. ## howard community college

Vitamin A, Vitamin B6, Vitamin C and Vitamin E. Which of these are largely water soluble and which are largely fat soluble? Explain your reasoning in each case.

122. ## statistics

In our initial survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation 3.03. Using this information, what would be the first and third quartile be for the class? ( P(Z

123. ## Pre Calculus

use the sum of difference formula what is sin(pi/2-5pi/3)?

124. ## chemistry

If I add more and more HCl to a solution, what will happen to the pOH?

125. ## Math

If sales volume exceeds the break-even point, the firm sill experience a)an operating loss,b)an operating profit c)an increase in plant and equipment d)an increase in stock price

126. ## Math

(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not

127. ## english

10 examples of back formation

128. ## physics science

The photoelectric effect occurs only when the incident light has more than a entain minimum

129. ## algebra 2

Find the inverse of the function. f(x) = e^-x + 5 f(x) = 10^x + 2

130. ## exp of math

add and simplify 96/125 + 83/125 + 2/15 =

131. ## Algebra

What is the equation for this situation. the cost c, in dollars of a car rentalis equal to 9 dollars plus 1/4 the miles driven, m

132. ## geometry

a jeweler creates triangular medallians by bending pieces of silver wire. each medallion is an equilateral triangle. each side of a triangle is 4 cm long. how many medallians can be made from a piece of wire that is cm long?

133. ## geometry

one of the acute angles in a right riangle has a measure of degrees. what is the other acute angle?

134. ## computers

Computer business systems have been around for 40 years. Desktop computers have been around for 20 years. Why do business systems, in general, still need more development?

135. ## pronouns

rewrite the first sentence of ch.2, section 5 of the text in your own words. identify commonly used pronouns. explain why using pronouns may help make your writing more effective.

136. ## Algebra 2 logarithms

Use the properties of logarithms to evaluate the expression. 1. 5^log(7x) 2. 10^x + 2 log(x)=x+2 or log(x)=x-2 ????

Sharon's share for lunch is \$8. If she pays with a \$20 bill, how much change should she get?

138. ## Geometry...not getting this

JOhn and Jason are standing 12 feet apart. Julie is standing 31 degrees NW of Jason. John is standing 49 degrees SW of Julie. can you uniquely determine how they stand with respect to each other? on what basis?

139. ## statistics

In our initial survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation 3.03. Using this information, what would be the first and third quartile be for the class? ( P(Z

140. ## govt

Which act is an example of governor's use of legislative powers? a firing a parks commissioner b rejecting part of a recycling bill c pardoning a former senator d assessing flood-control efforts

141. ## space

What is the role of chemistry in outer space exploration?

142. ## math

what is a proof of the pythagoarean theorem?

143. ## Calculus

The owner of a farm wants to form four rectangular corrals. He has 750 meters of iron gate to enclose and to separate the four corrals. To save materials, he he decides to enclose a large area and to divide into four rectangles. Divide them will use part

144. ## Math

Construct a truth table for the statement. (p ↔ q) → p

145. ## Chemistry 111

what is the molar mass of Butane,C7H10?

146. ## Physics

A stone is launched upaward into the air. In addition to the force of gravity, the stone is subject to frictional forces fue to air resistance. Is the time to reach the top of its flight equal to, smaller or larger than the time to come back to its

147. ## Government

According to communist theory, the value of a commodity is determined by the: A. Gosplan B. Five Year Plan C. laws of supply and demand D. amount of labor put into it I think it's D?

148. ## biology

How is bacterial cell different from an onion peel cell ?

149. ## Algebra

Construct a truth table for ~q v ~p. I am really lost here.

150. ## math

multiply in the indicated base the base is 9 503 x 67 ¬¬¬¬¬¬¬¬¬¬¬¬

151. ## MATH

EVALUATE 6a + 4b - 3c WHEN a=4, b=7, AND c= -2

152. ## Chemistry

1 NHzSO4 is what molarity

153. ## chemistry

How many TOTAL carbons does 3 ethyl 5, 6 di methyl decane have?

154. ## Am. History

the English were responsible for all of the following colonies EXCEPT: Rhode Island Maryland Massachusetts New Netherland i think that it is New Netherland just looking for confirmation

155. ## chemistry

Why do you think an input of energy is required into a glucose molecule before we can break it down for energy?

156. ## Government

In an earlier part of United States history, Congress...? a. helped further the discrimination of minorities by inaction. b. consistently acted for the benefit of minority groups. c. pursued legislation aiding African Americans, but not women. d. pursued

157. ## Chemistry 111

What is the mass of 7080 moles of magnesium chloride (MgCl2)?

158. ## chemistry

If I have 10 grams of NaOH in 4 Liters of water, what is the molarity

159. ## algebra II

What will be the amount in an account with initial principal \$6000 if interest is compounded continuously at an annual rate of 3.25% for 9 years?

160. ## phy

silver ball= 50g water= 350 g water= 0 celcius equilibrium temperature= 10 celcius specefic heat capacity of platinum= 230 what is the temperature of furnace?

161. ## trig

How do i solve Cos (4x)(2+tan^2X0 = 8?

162. ## Trig math

How do I solve for x? cos(4x)(2+tan^2x)=8

163. ## Algebra

Construct a truth table for (p ^ ~q) q ^ is meant to be a conjunction symbol

164. ## college physcial science

a car whose inintal speed is 30m/s undergoes a constant acceleration of 5m/s2. In the first 6s after the accleration starts the car travels

165. ## MATH

EVALUATE 3x + 2y - 2z WHEN x=5, y=2, AND z=1 ???

166. ## Math

How much would you have to invest at 6.3% interest for it to have grown to \$67.06 in five years

167. ## math

Can someone PLEASE tell me what "enitmelgens" is unscrambled.

168. ## math

A man is 67 7/18 taller than his son his son is 65 ¾ tall how much taller is the man?

169. ## english

examples of folk narratives with sources

170. ## american govt

Except in Nebraska, each State legislature today is is it bicameral? unicameral bicameral nonpartisan relatively powerless

171. ## chemistry

If I isolated a strand of nucleotides, how could I determine if they were DNA or RNA?

172. ## chemistry

What is/are the amino acid products when we have an mRNA that is AUGAAAUUU?

173. ## Confidentiality of Health Information

IN REGARD TO ELECTRONIC MEDICAL RECORDS (EMRS) WHAT IS THE POLICY FOR DISCLOSING AUTHORIZED DATA REQUESTED BY THIRD PARTIES?

174. ## Government

a. are always constitutional b. are always unconstitutional c. may be upheld by the supreme court if they meet certain criteria d. may be passed by congress but not by states. I'm stuck between b and c?

175. ## govt

In 21 states voters may propose and pass laws without the legislature a.by direct initiative b by indirect initiative c by optional referendum d by mandatory referendum

176. ## find the derivative

3 In (√x + 7)

177. ## phscial science

the proportion of the world's electricity that comes from nuclear engergy is about