# Questions Asked onJuly 14, 2014

1. ## Algebra

Two different cars each depreciate to 60% of their respective original values. The first car depreciates at an annual rate of 10%. The second car depreciates at an annual rate of 15%. What is the approximate difference in the ages of the two cars? 1.7 ears

2. ## CHEMISTRY

If heat of combustion of acetylene C2H2 is -1301.1 kJ/mol then : a) Write balanced thermochemical equation of acetylene combustion b) If 0.25 mol C2H2 reacted according to the previous equation , and what is the emitted energy ? c) how many grams needed to

3. ## Algebra

Two different radioactive isotopes decay to 10% of their respective original amounts. Isotope A does this is 33 days, while isotope B does this in 43 days. What is the approximate difference in the half-lives of the isotopes? 3 days 10 days 13 days 33 days

4. ## CHEM

how many milliliters of a stock solution of 6.0 m hno3 would you have to use to prepare 110mL of 0.500 M HNO3?

5. ## Algebra

A population of insects increases at a rate of 1.5% per day. About how long will it take the population to double? 2.5 days 5.0 days 46.6 days 66.7 days

6. ## Maths lit,economics and business studies

Whichs career should I follow with my subjects economics,maths lit and business studies

7. ## physics

There is a typo in this question. Ignore the ”cdot” in the units for G. A satellite is in a circular orbit just above the surface of the Moon. What is the satellite’s acceleration? The value of gravitational constant is 6.67259 × 10−11 Ncdotm2/kg2

8. ## math

The Jones family was one of the first to come to the U.S. They had 5 children. Assuming that the probability of a child being a girl is .5, find the probability that the Jones family had.

9. ## math

Paul has 8 white socks, 4 blue socks,10 grey socks, and 12 black socks in his drawer. The socks are all jumbled up. What is the greatest number of socks that he would need to pull out to have a matching pair?

10. ## English

What can you infer about the poet’s attitude about humanity from these lines in “Song of Myself”? These are really the thoughts of all men in all ages and lands, they are not original with me, / If they are not yours as much as mine they are nothing,

11. ## Chemistry

At 21.0 °C, a solution of 23.71 g of a nonvolatile, nonpolar compound in 30.64 g of ethylbromide, C2H5Br, had a vapor pressure of 319.7 torr. The vapor pressure of pure ethyl bromide at this temperature is 400.0 torr. Assuming an ideal solution, what is

12. ## Math

A standard deck of playing cards is shuffled and three people each choose a card. Find the probability that the first two cards chosen are clubs and the third card is black if the cards are chosen with replacement, and if the cards are chosen without

13. ## CHEMISTRY

We have this reaction : HCO3- + OH- => CO3^-2 + H2O Specify the conjugate pairs and , which direction the reaction equilibrium shift ? and How ( as a rule ) ?

14. ## English

1. The train leaves at 7 this evening. 2. The train will leave at 7 this evening. 3. He meets the girl at 7 this evening. 4. He will meet the girl at 7 this evening. ----------------- #1 means #2, right? What about #3 and #4? Does #3 mean #4? Is #3

15. ## math

One phone plan charges a $20 monthly fee and$0.08 per minute on every phone call made. Another phone plan charges a $12 monthly fee and$0.12 per minute on each call. After how many minutes is the charge the same for both plans? A.60 minutes B.90 minutes

16. ## statistics

M&M’s The candy company claims that 10% of the M&M’s it produces are green. Suppose the candies are packed at random into small bags containing about 25 M&M’s per bag. A class of elementary students learning about percentages opens several bags,

17. ## chemistry

How much 9% solution can you make by diluting 350ml of a 15% solution?

18. ## algebra

at a restaurant brandy paid twice as much as Katie and Katie paid $3 more than Stephanie if the total combined amount they paid was$56 how much did Katie pay

19. ## us history

A popular expression asserts that "9-11 changed everything." In your reasoned opinion, based on the text and our discussions, do you think this is an accurate reading of American History since 2001?

20. ## PHYSICS MAT

A 1.2 kg object moving at initial velocity 2.0m/s collides elastically with a stationary 0.5kg object horizontally. Calculate A) the velocity of each object after the collision. B) the impulsive force if the contact time is 0.3 s.

21. ## CHEMISTRY

NH3(g) + H2O(l) NH4+ (aq) + OH- (aq) a) According to delta H ( Enthalpy ) , which direction the equation will shift ? b) According to Entropy , which direction the equation will shift ? c) Assuming that delta G is positive , then delta S is greater than

22. ## Math

What power of 7 is 40 353 607?

23. ## Biology

. Which of the following parts of the circulatory system carries oxygenated blood? A An artery moving blood from the heart to the lungs B. A vein moving blood to the heart from the body C. An artery moving blood from the heart to a muscle cell D. A venule

24. ## math

The altitude of an equilateral triangle is 6 square 3 units long. The length of one side of the triangle is ____ units.

25. ## physics

A ski slope drops at an angle of 24 degrees with respect to the horizontal and is 500 m long. A 60 kg skier skis down from the top to the bottom of the slope. A.) Determine the change in gravitational potential energy of the skier+earth system. b.) If 20%

26. ## Public Organization Management

Can someone read over my case paperI cannot add a file so i just copied and pasted it...I did not add my references at the end either or the tables since they wont show up right here just need to see if this makes sense and flows and my in paper citations

27. ## Math

Find three consecutive integers that have a sum of -402. Describe your strategy.

28. ## Chemistry

Although I do very well in chemistry I never really understood converting units. Perform each of the following conversions. A. 8.43cm to millimeters B. 2.41x10^2cm to meters C. 294.5nm to cm D. 1.445x10^4m to kilometers E. 235.3m to millimeters F. 903.3nm

29. ## Economics

Why is the money multiplier in the United States smaller than the inverse of the required reserve ratio?

30. ## Science

A student is assigned the task of measuring the mass of one tennis ball using a scale for which the zero adjustment on the balance is not working. The student is given three balls and the can in which they were packaged. Which of the following strategies

45. ## Chemistry

A saturated solution is made by dissolving 0.325 g of a polypeptide (a substance formed by joining together in a chainlike fashion some number of amino acids) in water to give 1.37 L of solution. The solution has an osmotic pressure of 4.13 torr at 28 °C.

46. ## programming

write a program that creates a list of employees objects of size n entered from user using list interface and a list class implementation and display all employees in list and print employee name with minimum salary and remove employee with minimum salary

86. ## Calculus 2

find the arc length of the graph of the function over the indicated interval. x^5/10+1/(6x^3) on the interval (3,6)

87. ## Science

There are two set pieces in a theater sitting on platforms with wheels. One is a tree with a mass of 50 kg. It is moving at 3 m/s. The other is a fence with a mass of 30 kg. If the two set pieces have equal momentum, how fast is the fence moving? A. 3 m/s

88. ## accounting

A partner withdrew Rs.2000 at the beginning of every month.the rate of interest on drawings is 10%per annum. What is the amt. of interest?

89. ## Pharmacology

Amoxicillin suspension 125mg/5ml give ¾ tsp PO bid Disp: 10 day supply 5. How much suspension is required to fill this prescription? 6. What is the amount of mg per dose?

90. ## Math

There are 6 white, 9 brown, and 1 pink towels. What is the probability of using a brown or pink towel first.

91. ## math

help please 1. log2 x=1/2 2. log√x=-1 3. ln⁡x=1+ln⁡(x+1)

92. ## Pre algebra

Will has a mean score of 62 on the first five test in science. if he gets a 50 on the next test what will his mean be then?

93. ## physics

A tank has a length of 0.18 m, a width of 0.78 m, and a height of 0.44 m. If it is filled with water, how many kilograms does it weigh?

94. ## physics

A tank has a length of 0.18 m, a width of 0.78 m, and a height of 0.44 m. If it is filled with water, how many kilograms does it weigh?

95. ## math

help please The measures of the sides of a right triangle form an arithmetic progression whose difference is 1. Find the measure of the hypotenuse

96. ## math

what is the sum from 1 to infinity of ( 3n^3 - 4n^2 + 5)/(6n^5-2n+7)

97. ## Algebra

Given the point-slope form of a line, find the point and slope we could use to graph. y-4=3/2(x+5)

98. ## Education/College

I am now in a Life Span Development course. I need an example of a personal experience that involves nurture in regard to human development

99. ## Algebra

given the point-slope form of a line, find the point and slope we could use to graph y-4=3/2(x+5) answers: P: (-5/4) S: (3/2) how do I get to the answer

100. ## math

In a shuffled deck of 52 cards, we remove 1 card (we don’t know which one) and use LINEAR SEARCH to find the two of clubs. a. What is the average cost to find the two of clubs, if it is guaranteed to be in the deck? b. What is the average cost if the two

101. ## math

In an ordered (A – K, ♠♢♣♡) 52 card deck, using JUMP SEARCH, looking for the queen of hearts, a. What is the optimum jump size k? b. How many probes (m) will it take with the optimum jump size? c. What is the worst case number of comparisons

102. ## pharma

22 g of potassium iodide is diluted in 1.5 L of sterile water for injection. What is the final percent strength (w/v)?

103. ## math

help It is known that a particular bipartition bacterium reproduces every 20 minutes, that is displayed 2 every 20 minutes. How many bacteria will last 10 hours

104. ## English

Posted by rfvv on Friday, July 11, 2014 at 3:01am. 1. Exchange points with another team. 2. Swap points with another team. (Are both the same?) 3. Take away 300 points from one team. 4. Bring 300 points from another team. 5. Take away 30 points from each

105. ## English

1. I searched for my glasses, but I couldn't find them. 2. I searched for my glasses, but I couldn't find it. (Which one is grammatical?) 3. The electric fan was moving from left to right. 4. The electric fan was moving from the left to the right. (Which

106. ## General question

How can I search the questions which I uploaded chronological order?

107. ## science

Name the ionic compound form when a Magnesium reacts with chlorine?

108. ## Education/College

I have to invent a fictional character and do charts on them from infancy to early childhood,middle and late childhood adolescence, and early adulthood. I have to give this character a name , race, gender and parents. I will have to find pictures to

109. ## politicws

When the President appoints a nominee to the Supreme Court, he mainly

110. ## us history

Between the end of the Korean War and the escalation of the Vietnam War in 1965, the concept of an American dream" seemed to have its strongest hold on the American population. How did the protest movements of the mid to late 1960s and early 1970s confirm

111. ## us history

Why was Martin Luther KingÕs ÒI have a dreamÓ speech so pivotal in Americanhistory? Did it redefine the nature of America? Of the American dream,?

112. ## us history

Despite Watergate, did not Richard Nixon's presidency start the Republican ascendency of the following period? Why and how did this happen?

113. ## us history

Explore both the strengths and weaknesses of Ronald Reagan's presidency. What has made his vision so dominant ever since?

114. ## science

what is the correct number of protons, neutrons and electrons in a neutral Cadmium-112 atom?

115. ## Math

Billing office is trying to figure out the amount of 0.75 hour overtime for a worker who is paid \$32.48 for A regular hourly rate. The overtime rate is 1.5 of his regular hourly rate. How much is 0.75 of an hour at the overtime rate for this worker

116. ## Differential Equations

(x^2+1)dx+x^2y^2dy=0 need help:)..thanks.