1. Math Help

The sides of a square are increased by a scale factor of 7. The perimeter of the smaller square is 16 ft. What is the perimeter of the larger square? A.4ft. B.28ft. C.56ft. D.112ft. Is the answer B?

2. Math Help

In 6 months, 33.6 gallons were used. Find the unit rate. A. 3.6 gallons/month B. 4.6 gallons/month C. 5.6 gallons/month D. 6.6 gallons/month Is the answer C? Thank you

3. Math Help

Solve the following proportion. r/5=9/21 A. r=9 B. r=2.14 C. r=11.66 D. r=37.8 Is the answer B? Thank you

4. english 3

Question 1 (Multiple Choice Worth 5 points) Which element relies on logic, credibility, and emotion? rhetorical devices theme statements purpose statements thesis statements Question 2 (Multiple Choice Worth 5 points) "AT this second appearing to take the

5. south mountain community college

A poster is to have an area of 210in^2 with 1 inch margins at the bottom and sides and a 2 inch margin at the top. Find the exact dimensions that will give the largest printed area.

6. Physics

You are unloading a refrigerator from a delivery van. The ramp on the van is 5.0m long and its top end is 1.4m above the ground. As the refrigerator moves down the ramp, you are on the downside of the ramp trying to slow the motion by pushing horizontally

7. Math Help

Use a proportion to find the length of side x for the pair of smilar figures below. They're both right triangles. Triangle 1 has 14cm on the the right side and 10cm on the bottom. Triangle 2 has x on the right side and 22cm on the bottom. My answer

1 hour= 3,600 seconds and 1 mile=5,280 feet. Make a conjecture about how you would convert a speed of 15 miles per hour to feet per second. Then convert. Please help answer thx

9. Chemistry/Physics

When 1mol of a gas burns at constant pressure, it produces 2430J of heat and does 5kJ of work. Calculate change in H, q, and in kJ?

10. Calculus

Of the infinitely many lines that are tangent to the curve y = −7 sin x and pass through the origin, there is one that has the largest slope. Use Newton's method to find the slope of that line correct to six decimal places.

11. Math Help

1. Parallelogram PARL~ parallelogram WXYZ. Find the value of c. Parallelogram 1 has P n the bottom left corner, A on the left top, R on the right top, L on the right bottom. Parallelogram 2 has W on the bottom left corner, X on the left top, Y on the right

12. CAT, mathematics literacy , business studies ,hist

Careers linking to these subjects :CAT, maths lit , business studies and history

13. Math Help

Cinema A sells a twelve-pack of movie passes for $66. Cinema B sells a five-pack of movie passes for$28. A. Find the cost per movie pass for each cinema. What offer is cheaper per movie pass? B. How much do you save per movie pass if you choose the

14. math

Last Wednesday it snowed 3 1/4 in. On Sunday it snowed 3 4/5 in. On which day did it snow more? How much more?

The sides of a square are increased by a scale factor of 7. The perimeter of thr smaller square is 16 ft. What is the perimrter of the larger square? A. 4 ft B. 28 ft C. 56 ft D. 112 ft Is the answer A? Thank you

Which section of a personal narrative requires the most development? a. introduction b. conclusion c. character introduction d. plot My answer: D. Please check!

17. English

4. Which one of these sentences contains a prepositional phrase? A. Trolls live under bridges; elves do not. B. Where did you find the papers that I lost? C. You may think otherwise, but what I tell you is true. D. To be, or not to be: that is the

18. chem

For the reaction shown, calculate how many grams of oxygen form when each quantity of reactant completely reacts. 2HgO(s)¨2Hg(l)+O 2 (g) 2\;{\rm{HgO}}\left( s \right)\; \rightarrow \;2\;{\rm{Hg}}\left( l \right) + {\rm{O}}_2 \left(1.40 kgHgO g \right)

19. math

a rectangular bathroom measures 9.5 feet by 12 feet. the floor is covered by rectangular tiles measuring 1.5 inches by 2 inches. how many tiles are there on the bathroom floor.

20. physics

A 75 kg pilot flies a plane in a vertical loop. At the top of the loop, when the plane is completely upside-down for an instant, the pilot hangs freely in the seat and does not push against the seat belt or seat. The airspeed indicator reads 120 m/s. What

21. Science

Someone please help me. :( Compare your models of the four haploid cells with those of other groups. Describe and explain any variation that you observe.

22. int.science gtg in 8 min.

How much heat is contained in 100 kg of water at 60.0 °C? Be mindful of significant figure rules for both multiplication and addition. 30 kcal 2.10 x 104 kcal 2.40 x 104 kcal 2.77 x 104 kcal

23. Math

explain how to find 40 x 50 using mental math

24. Social Studies

What important resource do Qantas move? A)Solar Power B)Oil C)water D) Natural Gas

25. Physics

Disk 1(of mass m) slides with speed 1.0 m/s across a low friction surface and collides with disk 2( of mass 2m) originally at rest. Disk 1 is observed to bounce off at an angle of 15degrees to its original line of motion, while disk 2 moves at an angle of

26. 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

27. Biology*STUCK*

A group of students was asked to list some of the similarities and differences between prokaryotic cells and eukaryotic cells. They created the table shown above. The students made a mistake in creating their table. Which statement best describes their

28. Math Help

A recipe calls for 3 cups of flour to make 3 dozen cookies. Use the proportion to calculate how much flour is needed to make 9 dozen cookies. 3 cups/3 dozen= x cups/9 dozen A. 6 cups B. 3.5 cups C. 9 cups D. 12 cups Is the answer C? Thank you

29. english

All of the following items are expressed in the subjunctive except _____. a wish a condition contrary to fact a that clause expressing necessity a statement of fact

30. physics

a cylindrical wire of lenght 2.80m and a radius of 1.35A, when the voltage of 0.0320v is applied across the ends of the wire. from what material is the wire made of?

38. Math Help

Chase sold 48 tickets to the school dance, and Justine sold 14 tickets. What is the ratio, in simplest form, of the number of tickets Justine sold to the number of tickets chase sold? A. 7/24 B. 24/7 C. 4 D. 48/14 Is the answer B? Thank you

39. Math Help

Write the ratio in the simplest form. 16:24 A. 1:2 B. 4:3 C. 3:4 D. 2:3 Is the answer A? Thank you

40. q

Given the diagram, a supplement to ∠ABC could be ∠BDC ∠DAB ∠ADC ∠BAC

41. chemistry

A 23.9 g piece of metal heated to 97.8 oC is placed in 52.4 g water at 21.9 oC. After the metal is added, the temperature of the water rises to 29.9 oC. Calculate the specific heat of the metal. Express your answer in the units of cal/goC.

42. Chemistry

Use bond energy values to estimate delta H fro the following reaction in the gas phase: C2H4 + Br2 -> CH2BrCH2Br I am in dire need of help! Thank you

43. art

artwork that communicates a message effectively a. uses imagery that the viewer's understand b. hides messages in the piece. c. uses colors only to relate to the viewer d. cannot describe the meaning in the title

44. art

what characteristics of surrealism help to communicate a dream-like state? A. the use of only cool colors to create many moods b. the use of imagery that could ni the real world c. the use of use of abstract images that are hard to decipher d. the use of

45. Science

50 ml of ethyl alcohol amd 40ml of water combined in a beaker add up to 90ml of liquid why is this? (Particle theory)

46. geography

How has Mexico's culture been shaped by conflict among different people?

47. Chemistry

Can you tell if Beer's Law holds for your stock solutions as well as in the calibration range? Why or why not? (P.S. this is a lab question and Beer's Law equation is: A(absorbance) = a(absorptivity) x b(path length) x c(concentration))

48. Maths lit , CAT and history

Im doing maths literacy , CAT and history , i want to know what jobs are linked to such subjects

49. Math Help

In the population of a praticular country, the male to female ratio is 48 to 62. Write this ratio as a fraction in simplest form. A. 2/3 B. 1/4 C. 24/31 D. 31/24 Is the answer C?

50. math

The depth of water(d metres) in a harbour is given by the formula d = a+bsin(ct) where a, b and c are constants, and t is the time in hours after midnight. It is known that both b and c are non-zero and 20

51. physics

A white billiard ball with mass mw = 0.1 kg is moving with a speed of v = 0.5 m/s making angle 60 degree and collides with a black billiard ball with the same mass mb = 0.1 kg that is initially at rest. The distance between the black ball and the pocket is

52. Physics

A 30-caliber rifle with a mass of 3.54 kg fires a 7.33- g bullet with a speed of 596 m/s with respect to the ground. What kinetic energy is released by the explosion of the gunpowder that fires the bullet? (Note there is a tolerance 0.1 percent for the

53. Finite Math

A box contains two defective Christmas tree lights that have been inadvertently mixed with eight nondefective lights. If the lights are selected one at a time without replacement and tested until both defective lights are found, what is the probability

54. Chemistry Numerical

The half life period of a radioactive element is 27.96 days. Calculate the time taken by a given sample to reduce to 1/8th of its initial activity

55. Physics

A chair of weight 85.0N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 45.0N directed at an angle of 34.0∘ below the horizontal and the chair slides along the floor. Using Newton's laws, calculate

56. College Chem

How would temperature changes observed using a calorimeter differ for exothermic and endothermic reactions?

57. chemistry

what is the partial pressure of hydrogen in a flask containing 2g hydrogen and 32g sulphur dioxide

58. Science Help!!!!

One reason people around the world use coal as an energy source is A. It is nonrenewable B.it can be found many places C.it is a fossil fuel D. It cannot be used up Is the answer C?

59. physics

The coefficient of kinetic friction between tires and dry pavement is about 0.80. Assume that while travelling at 27m/s you lock your brakes and as a result the only horizontal force on the car is the frictional one. How many seconds does it take you to

60. college algebra

A rectangle picture frame has a perimeter of 1800 centimeters and a width that is 300 less than its length. Find the area of the picture.

61. Math

I need help on how to explain to my 5th grader how to come up with an algebra equation from a word problem. Any suggestions? Example: Gerry had a total of 30 pens and pencils. He decided to trade with his friends all his pens for pencils. If he traded

62. Physics

A plane designed for vertical takeoff has a mass of 6.4 ✕ 103 kg. Find the net work done by all forces on the plane as it accelerates upward at 8.4 m/s2 through a distance of 30.0 m after starting from rest.

63. Math Help

Find the coordinates of quadrilateral V' W' X' Y' after a dilation with the scale factor of 2. Original coordinates: V(6,2), W(-2,4), X(-3,-2), Y(3,-5), scale factor of 2. My answer V'(8,4), W'(-4,6), X'(-5,-4), Y'(6,-6) Am I right? Thank you

The depth of water(d metres) in a harbour is given by the formula d = a+bsin(ct) where a, b and c are constants, and t is the time in hours after midnight. It is known that both b and c are non-zero and 20

97. Math

Jose runs at average of. 6 miles per hour.he runs everyday for 30 minutes.how many miles does Jose run a week

98. math

Dan was walking from one end of the mall to the other end. He took the following measurements of five storefronts: 23 feet 11 inches,18 feet 3 inches,28 feet 8 inches, and 32 feet 4 inches. If dan added all the measurements, what would be the total

99. physics

A carnival clown, 80 kg, rides a motorcycle down a ramp and then up and around a large, vertical loop. If the loop has a radius of 18 m, what is the force that the track exerts on the rider at the TOP of the loop if the clown is traveling at an impressive

100. physics

A 67.0 kg ice skater moving to the right with a velocity of 2.02 m/s throws a 0.12 kg snowball to the right with a velocity of 21.5 m/s relative to the ground. (a) What is the velocity of the ice skater after throwing the snowball? Disregard the friction

101. Psychology Statistics

Many animals, including humans, tend to avoid direct eye contact and even patterns that look like eyes. Some insects, including moths, have evolved eye-spot patterns on their wings to help ward off predators. Scaife (1976) reports a study examining how

102. Math

A stone was dropped off a cliff and hit the ground with a speed of 112 ft/s. What is the height of the cliff? (Use 32 ft/s2 for the acceleration due to gravity.)

103. Math

Three equivalent ratios for 4/7

104. chemistry

The maximum allowable level of nitrate in drinking water set by the state of california is 45mg NO3/l.what is this level expressed in PPm

105. Math Help

Write the ratio as a fraction in simplest form. 16 to 10 A. 1/6 B. 16/10 C. 5/8 D. 8/5 Is the answer D? Thank you

what does the statement "the properties of salts are different from the properties of the elements"mean.

107. math

a variable y varies directly as the square root of a varies x,and equals 6 when x=4 find y when x=25

108. Math

The Little Can Company makes cylindrical cans with a height of 3 inches and radius of 1 inch. The entire lateral face is covered by a label. The paper for the labels is purchased in rolls 3 inch high. When unrolled the paper is 10 yards long. How many

109. Math Help

Solve the proportion. Where necessary, round to the nearest hundreth. 9/10=x10 A.9 B. 90 C. 10 D. 1000 Is the answer A? Thank you

158. probation and parole theory and practice

1) Sigmund Freud: A. is considered the father of behaviorism. B. stressed the importance of the unconscious. C. considered crime as essentially an environmental failure. D. developed reality therapy as a mode of rehabilitation. I think it's A but then

The manager turns on the restaurant's two neon signs at the same time. Both signs blink as they are turned on. One sign blinks every 9 seconds. In how many seconds will they blink together again? Explain how you got your answer. Need help please, thank

160. Physics

A sample contains 3.5×1019 radioactive atoms with a half life of 10000 years. How many atoms are expected to decay in the first second? After waiting 10000 years, how many atoms are expected to decay in the next second?

161. Science

What force do you need to push on a large crate to accelerate it at 1.8m/s2 across a rough floor? The crate has mass 32kg and the coefficient of kinetic friction between the crate and floor is 0.57

162. Pre Calculus

If a 25 mg sample of radioactive material decays to 18.4 mg in 5 years, how long will it take the sample to decay to 20.5 mg?

163. physics

A student fires a rocket at 24 degrees above the horizontal. The 10kg rocket comes out of the gun barrel at 1000 m/s, and accelerates 15 m/s^2 uniformly until it burns out 2 seconds later. It then is acted apon by gravity until it hits the ground. I need

164. physics

Tarzan swings on a 23.2 m long vine initially inclined at an angle of 22° from the vertical. (a) What is his speed at the bottom of the swing if he starts from rest? m/s (b) What is his speed at the bottom of the swing if he starts with an initial speed

165. Foundation of a Healthy Lifestyle

The main goal of effective health education programs for young children is to A. teach children that authority figures are their best guides to a healthy lifestyle. B. provide children with good environmental models of healthy lifestyles. C. provide

166. English

17. How is a compound sentence formed? A. By joining a simple sentence with a dependent clause B. By joining two simple sentences with a comma and a coordinate conjunction C. By joining two independent clauses and one dependent clause D. By joining a

167. Parents, Finances, and School-Age Children

The most important reason for caregivers to be able to work together as a team is that A. caregivers must show a good working relationship to licensing agencies. B. caregivers must often coordinate and share responsibilities and resources. C. children need

168. Parents, Finances, and School-Age Children

Why must parents be involved in their child's day care program when it's sponsored by the government? A. The government doesn't want the caregiver to replace family care. B. Parents can judge the abilities of the staff at the center. C. Parent involvement

169. math

what is 245+6,0000435= thanks for help and thank u i need to pass my 3rd grade test thanks

170. English

Where's the prepositional phrase in this sentence From June until the end of August, Carl lives in Alabama

171. Social Studies help!!!!

Which step in the process of a bill becoming a law, is NOT a "floor action"? A. A bill is referred to Senate committee B. The House and Senate reach a compromise on a bill. C. The Senate debates and passes its form of a bill. D. The House and Senate

172. physics

A car (mass = 860 kg) is at rest on the top of a tall hill. the car rolls down the hill and at the bottom, reaches a top speed of 19 m/s. A) find the force of gravity on the car 560 x 9.8 = 5488 N B) find the work done by gravity on the car W = change in

173. Algebra2

log2(x+8)-log2(5)=4

174. Foundation of a Healthy Lifestyle

_______ have more than twice as many of calories as do proteins or carbohydrates. A. Alkaloids B. Salty foods C. Solubles D. Fats D.

175. math

a dry cleaner charges 18 dollars to clean 4 pair of pants how many pairs of pants can be cleaned for 27 dollars at the same rate

176. English

Please Help me with the closing any suggestions Overall, how the delivery was characterized and how he used the presentational aids, made me understand how to present a speech.. The strength that the speaker had on his speech was the tone of voice, and his

177. chemistry

If we dissolve 170g sodium acetate in 100g water at 100 degree centigrade , the solution will be saturated or supersaturated

178. Science

What would happen if cells didn't have the following? : -Nucleus -Ribosomes -Endoplasmic Reticulum -Cell Wall

179. physics

A 4.53 kg particle has a velocity of vx = 3.98 m/s and vy = −3.16 m/s. Find the magnitude of its total momentum. Answer in units of kg · m/s

180. Physics

object of mass 2 kg is attached to string and rotate in vertical circle of radius 1 m. at highest point it has velocity of 4 m/s. what is tension in string at that point. at lowest point it is .5 m above ground. if string breaks at highest point how far

181. physics

a certain tower is 40 m tall. a man drops a lanzones from the top of onto the head of his enemy. if the enemy is walking at a speed of 1.2 m/s, ho many meters should the enemy be from the position below the lanzones when it is dropped ?

182. Physics

new package moving system in the new improved post office consists of a large circular disc which rotates once every 5 seconds at a constant speed in a horizontal plane. packages are put on outer edge of turntable on one side of room and removed on

183. Foundation of a Healthy Lifestyle

A child practices tossing a ball into a hoop from the same distance each day. What type of knowledge is he using?  A. Regressive  B. Hypothetical  C. Assimilative  D. Adaptive  A.

184. Parents, Finances, and School-Age Children

You're trying to plan an activity for your third graders, who will be arriving around 2:30 in the afternoon. Today you want to do something associated with mathematics. Which one of the following activities would be appropriate? A. Keeping track of the

185. Math

You are the coding Supervisor of a medium sized community hospital. You are staffed with 2 inpatient coders. Your current productivity level for your coders is 3 charts per hour. Your hospital discharges has increased to an average of 75 charts per day.

186. algebra. help!

Find the slope of a line that passes through (-2,-3) and (1,1). a. 1/3 b. 1 c. 2 d. 4/3 For the equation -4y=8x, what is the constant of variation? a. -4 b. -2 c. 1 d. 2 Suppose y varies directly with x, and y=24 when x=8. What is the value of y when x=10

187. ap physics

A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials' boat pulls up next to the spy's boat, both boats reach the edge of a 4.5m waterfall. The spy's speed is 16m/s and the official's speed is

188. social studies

what is institutional corruption?

189. Foundation of a Healthy Lifestyle

Children should be physically active _______ adults. A. more than B. twice as much as C. the same amount as D. less than A.

190. chemistry

One teaspoon of instant coffee ( 3 grams ) is dissolved in 250 grams of water. What percent of the resulting solution is coffee ?

191. Foundation of a Healthy Lifestyle

A child practices tossing a ball into a hoop from the same distance each day. What type of knowledge is he using?   A. Regressive   B. Hypothetical   C. Assimilative   D. Adaptive   A.

192. World History

How did Jean Baptiste Colbert help France Become an economic power?

193. Physics

A distant planet has a mass of 0.6400 ME and a radius of 0.9000 RE. What is the ratio of the escape speed from this planet to the escape speed from the earth?

194. Math

If 2 counters is a 1/4 then what makes a whole?

195. english

approximately what is the value of a Japan Yen compared to a dollar? Use estimation, and I need to show math work. I have no idea

196. physics

if a bird travels 150 cm for 10 sec then 100 cm for 10 sec and then 200 cm for 5 sec. What was the birds average speed?

197. History WWI

What was the day of surrender know as for WWI? I know a lot about WWII but not a lot about WWI. The real question was "When was the surrender of WWI? What do you know the day as?" I know the surrender was on november 11, 1918.

198. english

Select all that apply. Which of the following can function as adjectives? infinitive phrase gerund phrase participial phrase

199. Foundation of a Healthy Lifestyle

A child practices tossing a ball into a hoop from the same distance each day. What type of knowledge is he using?    A. Regressive    B. Hypothetical    C. Assimilative    D. Adaptive    A.

200. Math

marie is the scuba diving. she jumps from a rock 3 m and reaches a depth of 7m. it is the distance from the dive?

201. programming

would someone be able to give me an idea of how to start coding this in C? You just finished playing cards with a group of friends and each time your score changed in the game you wrote it down. Given the total number of points it takes to win the game and

202. physics

the motion of a body is described in simple harmonic motion as x=Cos(wt).when the body is 0.2m from the mid of its path , velocity is 3m/s and when it is 0.8m from the center of its path, its velocity is 1m/s ,determine: 1.the period 2.greatest

203. Math

The ratio of guys to girls in the classroom is 8:1. There are 45 people in the classroom. How many of them are guys?

204. science

Two train cars are connected to a locomotive as shown. Wach train has a force of kinetic friction equal to 50,000N. The locomotive pulls the two freight cars at a constant speed of 4.0m/s. Find the force of tension at each of the coupling points A & B.

205. Foundation of a Healthy Lifestyle

Children's genetically prescribed tastes in foods are affected by the A. freshness index of the food provided to them. B. amount of caloric energy they expend in between meals and snacks. C. foods they're exposed to by their culture. D. quality of the air

206. math

how do you do order of operations? exp. 5x5-5+5

231. Foundation of a Healthy Lifestyle

Complete proteins can be found in A. citrus fruits and highly acidic vegetables. B. meat, fish, poultry, eggs, and dairy. C. beans, rice, and nuts. D. only beef. B.

232. Maths

Angelo shot 4 darts at a target. Three landed in area A and one landed in area B giving him a total score of 16. Dan shot 4 darts too. One landed in A and three landed in B giving a total of 24. What score would be made hitting B three times?

234. Foundation of a Healthy Lifestyle

Fats should not account for more than _______ percent of total daily calories   A. 30   B. 50   C. 10   D. 75   A.

235. Foundation of a Healthy Lifestyle

When a child not only throws a ball farther than she had previously, but also changes the way the throws the ball, the change is called A. qualitative. B. cumulative. C. multifactoral. D. quantitative. D.

236. Algebra Help

Solve equation ln x = -4x

237. Foundation of a Healthy Lifestyle

A main source of fat and saturated fatty acids in children's diets is A. French fries. B. candy. C. whole milk. D. meat. A.

238. Foundation of a Healthy Lifestyle

Encouraging children to eat certain foods their families enjoy around holidays is an example of A. showing respect for ethnic and cultural differences. B. creating barriers between children of different ethnic and religious backgrounds. C. fostering

239. Math

What was the total grocery bill? Mrs. Sanders did a lot of shopping at several stores in preparation for Thanksgiving next week. These are the items that she bought at Kroger: One 19.5 turkey @ $0.89 per pound 5 pounds of sweet potatoes @$0.59 per pound 2

10 ÷ 4/5

293. General Knowledge

How to write 20 november 2014 in five letters without using number