# Questions Asked onNovember 2, 2015

1. ## Math Algebra

TechWiz Electronics makes a profit of $35 for each MP3 player sold and$18 for each DVD player sold. Last week, TechWiz sold a combined total of 130 MP3 and DVD players. Let x be the number of MP3 players TechWiz sold last week. Write an expression for the

2. ## Chemistry - Acid and Bases

In aqueous solution, classify these compounds as strong acids, weak acids, strong bases, weak bases, or other. HNO3 HBr HF CH3COOH H3PO4 NaOH Ba(OH)2 (CH3)3N NH3 NaCl

3. ## math

A spring is attached to the ceiling and pulled 12 cm down from equilibrium and released. The amplitude decreases by 8% each second. The spring oscillates 17 times each second. Find an equation for the distance, D the end of the spring is below equilibrium

4. ## English

In “A Sound of Thunder,” Travis’s dialogue with Lesperance reveals how upset he is about Eckels’ having left the path. This is an example of direct characterization.******** indirect characterization.

5. ## math

A computer password is required to be 5 characters long. How many passwords are possible if the password requires 1 letter(s) and 4 digits (numbers 0-9), where no repetition of any letter or digit is allowed?

6. ## College Algerbra

A student must leave for campus in 10 minutes or he will be late for class. Unfortunately, he is snowed in. He can shovel the driveway in 18 minutes, and his brother claims to be able to do it in 12 minutes. If they shovel together, how long will it take

7. ## trig

An airplane is flying in the direction 148° with an airspeed of u = 920 kilometers per hour. Because of the wind, its groundspeed and direction are v = 820 kilometers per hour and 140°, respectively (see figure). Find the direction and speed of the wind.

8. ## SS HELP PLZ ASAP

1) The science that studies population distribution and change is called _________(1 point) A. demography B. geography C. economy D. sociology 2) Canada is bigger than the united states, but only has _______ as many people.(1 point) A.one-half B.one-fourth

Semester A Unit 4 Lesson 5: Cool Crafts Portfolio Template Choose a room you would like to decorate: _My bedroom________________________________ Measure the length of one wall in inches: _ 12 feet: 144 inches__________________________ 2. Choose a size of

10. ## math

A spring is attached to the ceiling and pulled 6 cm down from equilibrium and released. After 4 seconds the amplitude has decreased to 3 cm. The spring oscillates 15 times each second. Assume that the amplitude is decreasing exponentially. Find an equation

11. ## science

Ana exerts a force of 20 N on a volleyball that has a mass of 0.15 kg. What is the force that the volleyball exerts on Ana?

12. ## MATH ASAP

For exercises 1 and 2, translate each phrase into an algebraic expression. 1. the difference of a number and sixteen (1 point) A.n + 16 B.n – 16 C.16n D.n/16 2. five times k (1 point) A.5k B.k + 5 C.k ÷ 5 D.5 – k For exercises 3 and 4, evaluate each

13. ## Algebra

Elsa has a job transporting soft drinks by truck. Her truck is filled with cans that weigh 14 ounces each and bottles that weigh 70 ounces each. There is a combined total of 820 cans and bottles in her truck. Let x be the number of 14-ounce cans in her

14. ## math

A submarine enters the sea at an initial speed of 2 meters per minute. The submarine's speed triples every minute. What is the submarine's speed after 5 minutes?

15. ## Chemistry

How much carbon dioxide is produced upon the complete combustion of 17.3L of propane (approximately content of one 5-gal tank)? Assume that the density of the liquid propane in the tank is 0.621 g/mL. Can you please list the steps! I am really confused! I

16. ## physics

An electrical device contains a transformer. Its primary coil has 200 turns, and its secondary coil has 20 turns. If the device is plugged into a 120-volt line, what is the output voltage of the device?

17. ## Chemistry (Check and Help)

Determine the type of chemical reaction, find the limiting reagent, determine the amount of product in grams, and the amount in grams of excess reagent. 8.75 g of mercury (II) nitrate solution is mixed with 9.83 g sodium iodide solution (ppt). Hg(NO3)2(aq)

18. ## trig

Find the component form of v and sketch the specified vector operations geometrically, where u = 4i − j, and w = i + 5j. v = −u + w v = ( , )

19. ## Language

1. which of these sentences features a possessive noun? A.sentence 1 B.sentence 5 C.sentence 7**** D.sentence 11 Am i right

20. ## physics

To leave Nicholson, you exit via the door to the quad. The door is 40 inches wide and has a mass of 200 kg. You push the door with a perpendicular force of 52.61N exactly 0.86m away from the hinge. This generates the minimum torque, \tau_1, required to

21. ## civics

which of the following state capitals borders the east coast

22. ## Geometry

How many lines of symmetry on the four operating symbols? Addition sign : 4 Subtraction sign : 2 Multiplication sign : 4 Division sign : 2

23. ## Math

A magazine advertises that a subscription price of $29.99 ( for 12 issues) represents a savings of 70% from the newsstand price. A- What does this imply the price of one issue must be? B- If you found that the actual price for a single issue is$8.00,

24. ## Chem

If 0.256 g of a compound containing only carbon and hydrogen atoms is burned efficiently and 0.780 g of carbon dioxide and 0.356 g of water are produced, how many moles of H-atoms are contained in the original (0.256 g) sample?

32/4=b+4/3

Hey Susan is taking an exam tomorrow as she begins her studies she quickly review the materials looking for keywords this is an example of

27. ## Statistics

Directional and non-directional hypotheses can be easily interchanged according to the hypothesis the researcher is testing. For instance, a drug company might predict that a drug will help a subject lose weight while another drug company might predict

28. ## chem

a) Silver iodide(s) is formed by the following reaction: Ag (aq) + I (aq) --> AgI (s) The Ksp for AgI = 1.8 x 10^-10 Describe, using the chemical reaction, the mathematical formula for these ions. Assuming these ion concentrations are equal, what would the

31. ## Chemistry

H3PO4(aq) + 3 KOH(aq) → K3PO4(aq) + 3 H2O(l) How many grams of potassium hydroxide are required to completely neutralize 3.23 grams of phosphoric acid?

32. ## math

Carlotta is making blue and orange necklaces in several lengths. For each necklace, her ratio of blue beads to orange beads is 3 to 2. How many orange beads will Carlotta need for a necklace of 60 beads?

33. ## input output tables

when creating an input/output table where do you enter the formula? in the input cell in the output cell in the title cell in the table of contents Im confused which is correct i say ether title cell of table of contents which is right PLEASE I NEED HELP

34. ## L.A. :|

why does the author of always to remember discuss maya ying lin's background? A. to show that she expericenced hardship. B. to show it's influence on her design. C to appeal to Chinese-American readers. D. To show she dis interest in architecture.

35. ## Social Studies

So my question on is: Why did the English establish colonies in the Americas? (5 points) The English established colonies in America for many reasons, one of the first reasons was for religious rights and freedom. Religious freedom didn’t exist back in

36. ## Us History

How did the Fordney-McCumber Tariff affect other countries?

37. ## chem

Consider the unbalanced reaction CO + H2O > CH4 + O2. All reactants in the gas phase. Calculate H per mole of H2O reacted. (The > is an arrow)

38. ## chem

Fe3O4(s) + C(s) > CO2 + Fe Balance the chemical reaction and calculate how many moles of Fe3O4 must be reacted to produce 440 gr CO2 (the > is an arrow)

39. ## math

Which number should you add to estimate the answer to this problem: 87087+98000

40. ## Chemistry

Determine the type of chemical reaction, find the limiting reagent, determine the amount of product in grams, and the amount of grams of excess reagent. Chromium metal is heated with oxygen to give chromium (III) oxide. Start with 38.5 moles chromium metal

41. ## Chemistry (Check)

Determine the type of chemical reaction, find the limiting reagent, determine the amount of product in grams, and the amount in grams of excess reagent. Calcium nitrate is decomposed with heat to give calcium nitrite and oxygen gas. Start with 15.99g of

42. ## Chemistry (Check and Help)

Determine the type of chemical reaction, find the limiting reagent, determine the amount of product in grams, and the amount in grams of excess reagent. 6.95 moles of glucose C6H12O6(s) is combusted with 7.54 moles of O2 gas (both products!) C6H12O6(s) +

The English established colonies in America for many reasons, one of the first reasons was for religious rights and freedom. Religious freedom didn’t exist back in England, because all the people had to belong to the Church of England. They wanted to get

44. ## Chemistry (Check and Help)

Upon the combustion of propane, C3H8, 150. g of propane was reacted with excess oxygen gas. A. Determine the limiting reactant if the water is the product of interest. B. Determine the number of grams of water produced. C. Calculate the number of grams of

45. ## Chemistry (Help)

For the chemical reaction, sodium hydroxide + copper (II) chloride = "robin's egg blue" precipitate, do the following: write the balanced molecular, balanced total ionic, and balanced net ionic equations; determine the Limiting Reactant (LR) for each

46. ## english

1. It's raining cats and dogs. 2. Hit the sack. 3. You're bouncing off the walls. What is the inferential meaning of all the 3 idioms?

Bill wants to fence in his rectangular garden so his precious produce will be protected. Three sides of the fence will be constructed with wire at $2 per linear foot and the fourth side will be constructed of wood fencing at a cost of 6$ per linear foot.If

48. ## Math

A school is keeping track of the number of tickets remaining for its year-end festival. The table shows the number of sales for the first, second, third, and fourth weeks of the month leading up to the festival. Which graph could represent the data shown

49. ## Math

A school is keeping track of the number of tickets remaining for its year-end festival. The table shows the number of sales for the first, second, third, and fourth weeks of the month leading up to the festival. Which graph could represent the data shown

50. ## Chemisrty

If the water temperature was 30.0C and the atmospheric pressure was 753 torr. What volume of hydrogen gas would you expect to collect if you reacted 0.083g of Ca metal with HCl?

51. ## history

one advantage humans had cover animals they hunted was that humans )were bigger )had weapons**** )were stronger )were faster am i right

52. ## math

identify the value of x that makes each pair of the ratios equivalent x:4 and 45:20 A.8 B.9 C.10 plz plz plz plz help me!!!!!!!! PLZ!!!!!

53. ## Chemistry

A hypothetical covalent molecule, X–Y, has a dipole moment of 1.62 D and a bond length of 179 pm. Calculate the partial charge on a pole of this molecule in terms of e (where e is the charge on an electron).

54. ## algebra

Suppose a parabola has vertex (-4,7) and also passes through the point (-3,8), write the equation of the parabola in vertex form.

55. ## math

How many cups of sorbet are in 8 cups of punch if 15% of 1 cup is sorbet?

56. ## bearing

Pq and R are point in the same horizontal plane.the bearing of Q from P is 150% and the bearing of R from Q is 060%.if line (PQ)is 5cm and line (QR)is 3cm find the bearing of R from P correct to nearest degree

asked by Max de-laurel model college

78. ## Math

A circular pool 10m wide in diameter has a deck 2m wid around it. What is the area of the deck?

92. ## HTT

Describe 2 potential improvements or additions to the Dreshler hotel that will help increase profits and business?

when creating an input/output table where do you enter the formula? in the input cell in the output cell in the title cell in the table of contents Im confused which is correct i say ether title cell of table of contents which is right PLEASE I NEED HELP

94. ## civics

Sarah supports ratifying a new Cybercrime society. She would like to write a letter expressing her support. Where would she send her letter? A)to a Supreme Court justice B)to her district representative C)to her senators D)to the president

95. ## science

which of the following is true about Earths atmosphere? a)the atmosphere contains 78 percent water vapor b)the atmosphere contains 21 percent oxygen c)the atmosphere allows radiation from the sun to pass through and warm Earths surface

96. ## physics

A tire rotates 140 rpm, how many rotations have been completed in 20 seconds?

97. ## chem

What is the volume occupied by 0.118mol of Helium gas at a pressure of 0.97atm and a temperature of 305k? Would the volume be different if the gas was Argon(under the same identical conditions)?

98. ## math

1. Find the like terms in the expression y + 1.2y + 1.2z. (1 point) A.y and 1.2y B.1.2y and 1.2z C.y and 1.2z D.y, 1.2y, and 1.2z 2. Simplify 2 + 17x – 5x + 9. (1 point) A.19x + 4 B.12x + 11 C.22x + 11 D.15x – 4 3. Simplify 3(5y + 6) – 4. (1 point)

99. ## Trigonometry

Suppose a planet has a radius of 5,000 km. Starting at the point on its surface at 0 degrees longitude and 0 degrees latitude,find the distance to the point on its surface at 30 degrees longitude and 60 degrees latitude.

100. ## IMF: Program Design

Assume real growth of government consumption of 20%, and revised real growth of public investment for 10.9% (check respectively, cells I45 and I46 in worksheet-Gov_Exp_proj). Please calculate the following to the nearest integer (e.g., 12134.2 = 12134).

101. ## Geometry

I'm not sure how to complete a two-column proof: Given

102. ## statistics

when figuring mode, mean and median do you add all the like figure such as days and no. of discharges? you don't just add all the numbers up together right?

103. ## civics

What motivated the Founding fathers to include the phrase "to form a more perfect union" in the preamble of the U.S Constitution?

Which of these is an example of scanning

105. ## algebra

With an 80 km/h head wind a plane can fly a certain distance in 4 h. Flying in the opposite direction, with the same wind blowing, it can fly that distance in one hour less. What is the plane’s speed?

106. ## Science

can you help me understand why it takes more energy to heat something bigger than something smaller please. thank you.

107. ## chem

2.0 x 10(exp-13) km/0.01=

108. ## Math

6x2,6x20,and 6x200

109. ## Math

I need help please. What percent of 990 is 33?

110. ## computer science

A Bagels store charges 75 cents per bagel for orders of less than a half-dozen bagels and 60 cents per bagel for orders of a half-dozen or more. Assume that the number of bagels ordered has been stored in a variable named NumBagels. Write VB code that

111. ## English 7th

The Vietnam war"The Chinese dragon". What is the connection between the war and Ha and her situation?

112. ## Algebra

The sum of the four angle measures of any convex quadrilateral is 360 degrees. Suppose that a convex quadrilateral has angle measures of 90, 10y+4, and 3y-2 degrees. Write an expression for the degree measure of the fourth angle.

113. ## Math

Describe how a 60 degree angle complements a 30 degree angle. Describe how a 60 degree angle supplements a 120 angle.

114. ## health

________ may likely lead to aggressive behavior. A. All of the above B. Complacency C. Sadness D. Irritability think it d ????!!!

115. ## Math

Please check my answer. 11 1/9% of what number is 600? I have 5400.54

116. ## English

I need to write a 4 stanza love poem for English homework, one problem, I'm rubbish at poems and haven't put pen to paper yet... HELP!!

117. ## Geography

How does changing scales help better understand issues such as IMR and CMR

118. ## health

What causes depression? A. Environmental issues B. There is no known cause C. Biochemical issues D. Genetic issues ithink it D?!!

119. ## math

You are buying balloons for a pary. A small balloon cost $2. A large balloon cost$5. Write an algebraic expression for the cost of x small balloons and y large balloons. What is the answer?

120. ## math

There is a proportional relationship between your distance from a thunderstorm and the time from when you see the lightning and hear the thunder. If there are 9 seconds between the lightning and thunder, the storm is about 3 kilometers away. If you double

121. ## math

First week sells 6 chairs for $80 each. Next week, if chair is not sold, it will sell for 0.85 times previous week's price. Store needs to sell 6 chairs for total of$270 to make a profit. what is the last week in which all 6 chairs could be sold so that

122. ## Chemistry

Calculate the work, in kJ, done when 126 g of tin dissolves in excess acid at 25.0˚C and 1.00 atm. Assume Ideal Gas behavior. Sn(s) + 2 H+(aq) → Sn2+(aq) + H2(g) I basically need to know how to find the change in volume since work=-pressure*volume

124. ## physics

Two similar sphere having charge -2C and +4C respectively are separated by distance "r" exert force (F=16N) third similar neutral sphere is first touched with sphere B and then sphere A. then force between spheres decreases by

asked by why nobody is responding?
125. ## Maths

A rectangular field is 2.45m long and 1.62m wide. What is the perimeter of the rectangular field

151. ## Math algebra 2

Identify the vertex the axis of symmetry,the maximum, or minimum value and the range of each parabola Y=x^2-4x+1

152. ## maths

construct a parallogam ABCD such that AB=6cm,ABC=120degree and BC=5cm

153. ## French

Is magazine de vêtements masculine or feminine?

154. ## Pre algebra

Which of these nonterminating decimals can be converted into a rational number A 0.48907542 repeating B 0.02020202 repeating C 0.92589542 repeating D 0.10203040 repeating ******* Paul is painting a square wall with an area of 115 square feet. To the

155. ## Language

5. which detail in the selection confirms your prediction from the previous question? A.Sandy gives the narrator vegetables from her garden.*** B.The narrator digs up the seeds that have not yet sprouted. C.With sandy's help, the narrator's garden is much

156. ## College Algerbra

P=N/1+i is used to determine what amount of principle P should be invested for one year at simple interest rate i in order to have N dollars after a year. Solve the formula for i.

157. ## Geometry

If the point P(-3,2) is translated under the vector (1,-5) what quadrant will P' be located? Quadrant 3?

158. ## College Algerbra

I=N/P+c, solve for P

159. ## language arts HELP PLZ!!!!!!!

what is the purpose of the bracketed information in the intro? [old english tread to tread] A.it gives an alternate pronunction of tread B.it gives the origin of tread C.it gives an alternate spelling of tread D.it gives a synonym of tread

160. ## trig

Find the component form of v given its magnitude and the angle it makes with the positive x-axis. Sketch v. Magnitude Angle ||v||= 7/2 45 degrees v=( , )

161. ## expressions

three less than twice a number is the same as the number increased by eight

162. ## math

given that x=(2x^2-x+8)y show that (x-1+y)^2/4y=(1+2y-63y^2)/16y^2

163. ## health

A function of the female reproductive system is to provide a nourishing environment in which fertilized ____ can grow A.Ovary B. Sperm*** C.Egg D.Uterous