Jacob

Most popular questions and responses by Jacob
1. Health

Which eating disorder might be discovered by a dentist anorexia bulimia*** starvation diet obesity

asked on May 7, 2016
2. AR

How many 5-pound bags of apples can be made from 400 apples, each weighing ¼ pound?

asked on April 11, 2016
3. Chem answer check/ help

For each of the following water-soluble compounds, indicate the ions present in an aqueous solution: NaI K2SO4 NaCN Ba(OH)2 (NH4)2SO4 would the answer to NaI be Na+ I-? Should there be more to my answer? Would K2SO4 be K+ SO-? Thanks for the explanation.

asked on February 22, 2010
4. math

Bill, Ernie, Oscar, Sammy and Tony are the five basketball players on the starting team of the varsity squad. Each one is known by a different one of these five nicknames: Slats, Stretch, Tiny, Tower, and Tree. From the information given, determine the

asked on February 24, 2010
5. Physics

Joe wishes to hang a sign weighing 730 N so that cable A, attached to the store, makes a 30.0° angle, as shown below. Cable B is horizontal and attached to an adjoining building. What is the tension in cable B?

asked on November 17, 2012
6. geometry

Use formulas to find the lateral area and surface area of the given prism. The base of the prism is the rectangle with sides of length 13m and 5m. Show your answer to the nearest whole number.

asked on August 9, 2011

1.Even though Mike is a great basketball player, he tries with just half effort on drills during practice. This is an example of A wasting talent B getting distracted C allowing others to set goals 2.Jim would like to get a summer internship, but his dad

asked on June 11, 2016
8. Applied Calculus

Find the absolute extrema of the function on the interval [2,3]. (Round your answers to the nearest hundredth.) Absolute Minimum ___ at x=___ Absolute Maximum ___ at x=___

asked on April 12, 2013
9. Applied Calculus

If an open box is made from a tin sheet 7 in. square by cutting out identical squares from each corner and bending up the resulting flaps, determine the dimensions of the largest box that can be made. (Round your answers to two decimal places.) Height:

asked on March 8, 2013
10. la language arts

Joe magarac, Man of steel 8. In section 1, what does the author mean when he says joe magarac is a folk hero? A. Joe was a real man who spent his whole life in the steel mills of Pittsburgh. B. Joe was a mysterious figure who vanished without a trace.* C.

asked on May 25, 2016
11. Chemistry

Urea, which has the chemical formula (NH2)2CO, is a fertilizer that can be prepared by reacting ammonia (NH3) with carbon dioxide (CO2). Given the following chemical equation, what is the theoretical yield of urea (in grams) if 4.16 mol ammonia is the

asked on March 4, 2017
12. Physics

A 32-u oxygen molecule (O2) moving in the +x direction at 580 m/s collides with an oxygen atom (mass 16 u) moving at 870 m/s at 27 degrees to the x axis. The particles stick together to form an ozone molecule. Find the velocity of the ozone. Express your

asked on April 13, 2009
13. technology

1. Science is the body of knowledge and methods produced by engineering. True False 2. Technology changes society. True False 3. Although engineers do not always complete the steps of design process in the same order which of the following is almost always

asked on September 10, 2018
14. ss

Multiple Choice 1.   What is the main advantage of using money instead of bartering?  (1 point) Many more people today use money than bartering to get goods and services. Not all countries use the same types of money in their economies. Money comes in

asked on August 24, 2015
15. Physics

The patient in the figure below is to receive an intravenous injection of medication. In order to work properly, the pressure of fluid containing the medication must be 108 kPa at the injection point. (a) If the fluid has a density of 1024 kg/m3, find the

asked on January 15, 2013
16. technology

1. Science is the body of knowledge and methods produced by engineering. True False 2. Technology changes society. True False 3. Although engineers do not always complete the steps of design process in the same order which of the following is almost always

asked on September 9, 2018
17. Chemistry

What is(are) the precipitate(s) that form when K2SO4, BaCl2, and AgNO3 solutions are mixed?

asked on February 23, 2013
18. Algebra

Sam invested \$1950 part of it at 6% and the rest at 8% yearly interest. The yearly income on the 8% invest was 6\$ more then twice the income from the 6% investment. how much did he invest at each rate

asked on April 24, 2011
19. Chemistry

Which of the following statements is true? All spontaneous processes are exothermic All non-spontaneous processes are exothermic All spontaneous processes release free energy*** Entropy always increases in a spontaneous process

asked on May 16, 2016
20. pre calculus

A force of 350 lb. is resolved into forces at right angles to one another, the angle of F2 being 67 from the 350 lb. force. Find F2.

asked on January 2, 2019
21. Health

People who experience episodes of _______ are not eating out of hunger; they are acting out of behaviors associated with bulimia and depression anorexia starvation dieting binge eating*** fasting

asked on May 7, 2016
22. Applied Calculus......

A book designer decided that the pages of a book should have 1-in. margins at the top and bottom and 1/2 in. margins on the sides. She further stipulated that each page should have an area of 60 in.2. Find a function in the variable x, giving the area of

asked on January 29, 2013
23. Physics

On a very muddy football field, a 100 kg linebacker tackles an 75 kg halfback. Immediately before the collision, the linebacker is slipping with a velocity of 8.5 m/s north and the halfback is sliding with a velocity of 7.5 m/s east. What is the magnitude

asked on November 24, 2017
24. Chemistry

A sample of nitrogen gas at 298 K and 745 torr has a volume of 37.42 L. What volume will it occupy if the pressure is increased to 894 torr at constant temperature?

asked on July 11, 2011
25. Language arts

The word expectations best describes which situation from “Two Kinds”? Waverly’s reputation as a chess champion the mother’s hopes for her daughter to become a prodigy Mr. Chong’s retirement from teaching piano the daughter’s performance at the

asked on September 14, 2017
26. science

Here are all the word you can use chemical property mixture heatcapasity homogeneous viscosity sublimitation physicalproperty compound chemicalformula substance density mass tempurature pressure heterogenerous A _________ property of matter describes its

asked on April 11, 2016
27. Math

A tool shed 250cm high and 100 cm deep is built against a wall. Calculate the shortest ladder that can reach from the ground, over the shed, to the wall behind. How can I solve this?

asked on January 22, 2018
28. math

Which of the following results in a sum or a product that is rational choose all that apply 3.12 x 1.4 √9 x √25 √2 x √3 4 + 5 n x 3 Molli purchased 9 apples for \$3.96 molli divided \$3.97 by 9 why my molli perform this calculation in order to find

asked on September 5, 2018
29. Chemistry

38.0kg mass of copper is melted to be cast into a graphite mold at a copper pipe foundtry. If the solid copper starts off at the normal melting temperature of copper and the liquid copper is put into the mold at the crystallization point of copper, how

asked on August 15, 2012
30. Math help!

A bag contains 9 blue marbles and 1 green marble. What is the probability of drawing a blue marble followed by a green marble, without replacing the first marble before drawing the second marble? Is the answer 1/9?

asked on May 30, 2013
31. math

2.joe was making mixed nuts.he used 2 1/4 pounds of pecans and 3 1/5 pounds of cashews.how many pounds of mixed nuts did joe make? A.5 17/40 B.5 2/9 C.5 1/2 D.5 9/20

asked on November 20, 2014
32. PHYSICS

Nate the Skate was an avid physics student whose main non-physics interest in life was high-speed skateboarding. In particular, Nate would often don a protective suit of Bounce-Tex, which he invented, and after working up a high speed on his skateboard,

asked on March 12, 2016
33. Statistics

Which of the following can be classified as Discrete and Quantitative data. The acceleration of your car as you drive to school. my answer was number of neighbors still unsure of this though The different colors of the eyes of your classmates. The number

asked on June 16, 2010
34. Health

_________ commonly over-exercise, abuse laxatives, and refuse to eat in order to lose weight Bulimics Binge-eaters Anorexics*** Perfectionists

asked on May 7, 2016
35. english

can i get a quiz check Question 1.1. Choose the sentence that is punctuated correctly. (Points : 1) =====-> Many people are afraid of bold futuristic inventions Why did you spend all your money on expensive trendy clothes that you'll only wear a month or

asked on May 27, 2015
36. math

a cylindrical container has a diameter of 14cm and a height of 20cm and is full of water. The water is poured into another cylinder which has a diameter of 20cm. How deep is the water in the second cylinder?

asked on June 6, 2015
37. Applied Calculus

The world population at the beginning of 1990 was 5.3 billion. Assume that the population continues to grow at the rate of approximately 2%/year and find the function Q(t) that expresses the world population (in billions) as a function of time t (in

asked on April 14, 2013
38. Health

Individuals suffering from anorexia suffer extreme weight loss, usually _____ below the person's normal body weight 5% 8% 10%**** 15%

asked on May 7, 2016
39. math

A cat is sitting on top of a tree, and spots a dog 10m south of the tree with an angle of depression of 65 degrees. Then it spots a firefighter a certain distance east of the tree with an angle of depression at 50 degrees. How far is the dog from the

asked on April 17, 2019
40. Physics

A swimmer heads directly across a river, swimming at 1.9 m/s relative to the water. She arrives at a point 50 m downstream from the point directly across the river, which is 79 m wide. (a) What is the speed of the river current? m/s (b) What is the

asked on August 1, 2013
41. Statistics

Richard has been given a 5-question multiple-choice quiz in his history class. Each question has four answers, of which only one is correct. Since Richard has not attended the class recently, he does not know any of the answers. The success occurs if

asked on June 15, 2010
42. Science

1. Which of the following best explains what an Engineer does? A- An engineer combines the knowledge with problem-solving skills to design better mathematical models. B-An engineer combines the knowledge with problem-solving skills to increase the

asked on September 18, 2019
43. Chemistry

A 50.0 mL aqueous solution of sodium hydroxide has a pH of 12.50. If 36.00 ml of 0.0200 mol/L sulfuric acid is added to this sodium hydroxide solution, what will be the new pH of the resulting solution? Assume that the temperature stays constant at 25 C,

asked on December 11, 2016
44. Algebra

The surface of the Grand Lake is at an elevation of 648 feet. During the current drought, the water level is dropping at a rate of 3 inches per day. If this trend continues, write an equation that gives the elevation in feet of the surface of Grand Lake

asked on September 14, 2016
45. Maths

A Piece Of Cloth Costs Birr 200. If The Piece Was 5m Longer, And The Cost Of Each Metre Of Cloth Was Birr 2 less,the Cost Of The Piece Would Have Remained Unchanged. How Long Is The Piece And What Is Its Orginal Price Per Metre?

asked on January 6, 2016
46. Science

What is the identity of the precipitate that forms when 70 mL of 0.3 M BaCl2 reacts with 65 mL of 0.35 M Na2CO3

asked on February 27, 2017
47. Pre calculus

A plane is headed due south with an airspeed of 190 mph. A wind from the direction of S 40 degrees W is blowing at 30 mph. Find the groundspeed of the plane, rounded to the nearest whole number

asked on October 30, 2015
48. Home economics

The areas in home economics

asked on November 6, 2018
49. Science-Chem

Sucrose, C12H22O11, is burned to produce carbon dioxide and water. What is the balanced formula and reaction type?

asked on March 8, 2010
50. Math

Dan will donate up to \$480 to charity. The money will be divided between two charities: the City Youth Fund and the Educational Growth Foundation. Dan would like to donate at least to the Educational Growth Foundation. He would also like the amount donated

asked on July 13, 2018
51. math

which word or words correctly complete the sentence? a ________ has five faces, five vertices, and eight edges. a. triangular pyramid b. cube c. pentagonal pyramid d. rectangular pyramid

asked on February 24, 2018
52. Science

Which aspect of Einstein's theory of special relativity was testable? the postulates only the postulates and the predictions the predictions only none of the aspects

asked on January 8, 2014
53. PreCalc

Suppose that \$14,000 is invested in a savings account paying 5.2% interest per year. (a) Write the formula for the amount A in the account after t years if interest is compounded monthly.

asked on December 4, 2016
54. Math Functions

Write two equations to represent the same exponential function with a y-intercept of 5 and an asymptote at y=3 . Investigate whether other exponential functions have the same properties. Use the transformations to explain your observations.

asked on July 26, 2015
55. Chemistry

Fireflies flash at a rate that depends on the temperature. At 29oC, the average rate is 3.3 flashes every 10 seconds, whereas at 23oC, the average falls to 2.7 flashes every 10 seconds. Calculate the "energy of activation" (in kJ/mol) for the flashing

asked on February 5, 2017
56. Physics

A man is 6 feet tall and wishes to have a "full length mirror" in his house, meaning a mirror that lets him see himself from top to bottom. He goes to the hardware store to get a piece of flat (plane) mirror that is just barely long enough to work. How

asked on September 3, 2012
57. science

how do u prepare a 250-ml of 2.35 M HF dilution from a 15.0 M stock solution?

asked on November 28, 2018
58. Health

Anorexia is a type of eating disorder that usually begins with young people with obese parents around the onset of puberty*** around the time they graduate high school who watch too much tv

asked on May 7, 2016
59. math

A charity raffle offers a first prize of \$1,000,000, a second place prize of \$100,000 and a third place prize of \$10,000. A total of 500 000 tickets will be sold. What price should be charged for a ticket in order for the charity to make a 60% profit on

asked on April 24, 2018
60. Chem answer check

Which of the following are strong electrolytes? BaCl2 AgNO3 PbI2 Pb(NO3)2 KI I think they are all strong electrolytes. Is this correct?

asked on February 22, 2010
61. Statistics

Suppose in a carnival game, there are six identical boxes, one of which contains a prize. A contestant wins the prize by selecting the box containing it. Before each game, the old prize is removed and another prize is placed at random in one of the six

asked on June 21, 2010
62. Math

A copy machine makes 60 copies per minute. A second copy machine makes 80 copies per minute. The second machine starts making copies 2 minutes after the first machine starts. Both machines stop making copies 8 minutes after the first machine started.

asked on February 6, 2013
63. math

I missed a lesson today on factoring and was wondering if i can get some help here for example, let's use 2x^2+5x+3

asked on May 25, 2019
64. Applied Calculus

A truck gets 800/x miles per gallon (mpg) when driven at a constant speed of x mph, where 40 ≤ x ≤ 80. If the price of fuel is \$2.80/gal and the driver is paid \$19/hr, at what speed is it most economical for the trucker to drive? (Round your answer to

asked on March 15, 2013
65. Percent word problem

A pitcher holds 2 gallons of orange juice. The orange juice is made 20% concentrated juice and 80% water. How much water is used in the orange juice?

asked on January 18, 2013
66. Physics (light)

A soap film is viewed in white light. If the film is much thinner than the wavelength of blue light, what is the appearance of the film? The soap film appears totally transparent because it reflects no visible light. The soap film appears blue because all

asked on April 5, 2016
67. english

Im a Danish student, and I've written this summary which I would like someone to correct. Thanks in advance! In the short story”Beyond the pale”, published in 1888, author Rudyard Kipling states via his narrator that one should stick to its caste.

asked on October 8, 2009
68. Math

Why do you have to use estimation to find the number of triangles you need for the string? I was wondering why this question is quite confusing and i was wondering if you can explain it to me in a way i can understand it. I'm not looking for an answer just

asked on October 21, 2016
69. physics

A student runs through a field 100m(E) then 200m(S) and finally 50(45 degrees S of E find his final position relative to his starting point? please explain steps Answer is 272(60 degrees S of E)

asked on July 4, 2013
70. chemastrey

of exhow many grams of no2 can be produced by the reaction of excess o2 with 19.8 of no

asked on November 1, 2011
71. PHYSICS

A space station consists of two donut-shaped living chambers, A and B, that have the radii shown in the drawing. As the station rotates, an astronaut in chamber A is moved 3.18 102 m along a circular arc. How far along a circular arc is an astronaut in

asked on April 2, 2011
72. accounting

Eric Sherm began working as a part-time waiter on April 1st, 2008 at Yard restuarant. The cash tips of 475 that he received during April were reported on form 4070, which he submitted to his employer on May 1st. During May, he was paid wages of 630.00 by

asked on September 22, 2008
73. Physics

A person 1.90 m tall walks on a horizontal icy surface. The coefficient of friction between the surface of the ice and the person's shoe sole is μ = 0.33 and the length of the person's legs are 1/2 of the person's height. Determine the maximum step length

asked on October 3, 2015
74. math

A snail crawled for 40 seconds at an average speed of 15 millimeters per second.Explain how to find the distance the snail traveled in centimeters

asked on April 17, 2012
75. Statistics

A football team’s coach predicts that his team will win 9 out of 10, or 90%, of its games. Which method did he most likely use to make this prediction my answer to this is relative frequency is this correct equally likely outcomes intuition law of large

asked on June 15, 2010

factoring the tens how to find the product using rectangles

asked on December 9, 2009
77. Chemistry

2. Solid ammonium iodide decomposes to yield ammonia gas(NH3) and hydrogen iodide gas at 400oF. The equilibrium constant for this reaction is 0.215. Ten grams of ammonium iodide are sealed in a 10.0 L flask at equilibrium. Complete the following: a. Write

asked on March 13, 2018
78. Science!

How many grams of NH3 gas can be made if 42.0 g of N2 gas and 12.0 g of H2 gas react with each other? N2 + 3 H2 ↔ 2 NH3

asked on February 11, 2013
79. consumer mathB

Your box of raisin bran cost \$1.89 last year. This year it costs \$2.25. What is the inflation rate?

asked on November 3, 2011
80. Algebra

Pauline sells computers on commission. She spends 2 hours on selling a laptop and 1 hour on selling a desktop computer. She works no more than 40 hours per week and routinely sells at least 1 laptop and at least 4 desktops each week. To maximize her

asked on April 26, 2011
81. algebra

An atom of gold has a mass of approximately 3.25×10^-22 grams. What is the mass of 4000 atoms of gold? Express your answer in scientific notation.

asked on June 26, 2019
82. science

Over time,a plant pollinated by a hummingbird has developed very long, tube like flowers.Why might the flower have adapted in this way?

asked on October 30, 2014
83. Chemistry

Thallium-208 has a half life of 3.053 min. How long will it take for 120.0 g to decay to 7.50 g?

asked on December 11, 2012
84. IT

Draw a flowchart or write the pseudocode for an application that allows a user to enter price and computes 8 percent sales tax on the item. Use // declartions

asked on September 5, 2012
85. Algebra help

Two less than three-fourths of a number is 10. What is the number? A. 10 2/3 B. 13 1/3 C. 15 1/3 D. 16 Please help meh! God bless you :-)

asked on December 12, 2018
86. math

factorize the following expressions and if possible show your steps 4x+20 3y^2+12y x^2+4y-21

asked on June 11, 2019
87. Spanish

Completa cada oración con la forma correcta de SER o ESTAR. 1.Después del semestre, los estudiantes __________ muy cansados. 2.Mis compañeros y yo __________ trabajando en el mismo proyecto. 3.Esas __________ ideas muy buenas. Las voy a usar para la

asked on October 22, 2018
88. physics

A football player runs the pattern given in the drawing by the three displacement vectors , , and . The magnitudes of these vectors are A = 4.00 m, B = 15.0 m, and C = 18.0 m. Using the component method, find the (a) magnitude and (b)direction of the

asked on August 14, 2015
89. Math

The table shows the results of a spinner with four colored sections. Use the table to answer the question. The spinner is spun 50 more times. Which is the best prediction for the number of times the spinner will stop on blue?

asked on January 18, 2017
90. programming

Draw a flowchart or write the pseudocode for an application that allows a user to enter price and computes 8 percent sales tax on the item. Use // declartions

asked on September 5, 2012
91. Physics

A golfer, standing on a fairway, hits a shot to a green that is elevated 5.50 m above the point where she is standing. If the ball leaves her club with a velocity of 46.0 m/s at an angle 0f 35.0º above the ground, find the time that the ball is in the air

asked on February 17, 2014
92. Statistics

. Suppose that about 20% of those called will find an excuse (work, poor health, travel out of town, etc.) to avoid jury duty. If 14 people are called for jury duty, what is the probability that all 14 will be available to serve on the jury? Round your

asked on June 25, 2010
93. Physics (answers included)

Two mountains are 1.00 km apart. If their masses are identical (2.00 × 1010 kg), what is the force due to gravity between the mountains? Fg=(GMm)/ r^2 =(6.67x10^-11 N*m^2/kg^2)(1010kg) (1010kg)/ (1000m)^2 =6.80x10^-11 N But the possible answers are: 2.67x

asked on November 22, 2009
94. math

what is \$35 for 25 tapes

asked on December 17, 2018
95. Physics

A hollow sphere has a uniform volume charge density of 4.61 nC/m3. The inner radius is a = 14.6 cm and the outer radius is b = 43.8 cm. What is the magnitude of the electric field at 21.9 cm from the center of the sphere? What is the magnitude of the

asked on February 4, 2017
96. Physics Help

A dumbbell has a mass m on either end of a rod of length 2a. The center of the dumbbell is a distance r from the center of the Earth, and the dumbbell is aligned radially. If r≫a, the difference in the gravitational force exerted on the two masses by the

asked on December 7, 2015
97. math

a boat took 5 hours to travel 60 km up a river, against the current. the return trip took 3 hours. find the speed of the boat in still water and the speed of the current. if possible, show your steps

asked on June 9, 2019

Why were women fighting for suffrage? A:because they wanted to end abuse toward women B:because they wanted to win the right to vote**** C:because they wanted to gain the right to work D:because they wanted to end women's inequality Completely doing an

asked on December 5, 2016
99. Physics

A Ferris wheel with radius 11.0 m rotates at a constant rate, completing one revolution every 33.9 s. Suppose the Ferris wheel begins to decelerate at the rate of 0.227 rad/s2 when a passenger is at the top of the wheel. Find the magnitude and direction

asked on November 18, 2011
100. Statistics

Suppose I am using the t-distribution to estimate or test the mean of a sample from a single population. If the sample size is 25, then the degrees of freedom are ____? I have an answer of 26 is this correct

asked on June 17, 2010