1. Math help

The price of a calculator is \$12.50. The sales tax is 7.5%. How much will you pay for the calculator? a. \$13.40 b. \$13.44 * c. \$13.57 d. 13.61 Thank you.

2. math

lucy drew an isosceles triangle as shown. if the measure of YZX is 25, what is the measure of XYZ

3. English 11

Consider what you have learned about American history during the period of 1862 the early 1900's. How do the stories in unit 4 reflect what is going on in the country then?

4. Algebra

equations and inequalities unit test for questions 1-5, solve the equation 4. 3(4-2x)=-2x (1 point) a. -1*** b. 1 c. 2 d. 3 5. 5.4+0.2x=-1.4x+8.6 a. 2 b. -2 c. .2*** d. 20 For questions 6-7, simplify the expression 6. -4 - 5(x+8) a.-5x - 44 b.-5x + 36***

5. Math - is this correct?

1. Estimate a 15% tip on a taxi ride that costs \$23.25. I will first round the cost to the nearest dollar. \$23.25 ≈ \$23.00 I will now use mental math to find 10% of the cost. \$23.00 x 0.1= 2.3 5% is 1/2 of 10%, so it would be \$1.15. Finally, I will add

6. Math

1. Which of the following best describes the altitude of a triangle? A) A segment perpendicular to a side of the triangle. B) A segment that passes through the midpoint and is perpendicular to a side of a triangle. C) A segment drawn from the vertex to the

7. Math - Another question to check, sorry... =/

7. 72 is what percent of 480? Write and solve an equation to solve the problem. Step 1. First, I will write out the equation. part = percent x whole Step 2. Now, fill in the parts… 72 = p x 480 Step 3. I will simply divide 72 by 480, which will be 0.15.

8. Language

which of the following answer choices contains a metaphor a.his skin was sandpaper •• b. the sun sparked like a diamond c.she wanted to be like the birds and fly away d. they felt free when they ran Correct me

9. Math

Complete the 2 column proof. Given m

What is the secret to reaching someone with words? Which of the poems-----“Concrete Mixers,” “The City Is So Big, “or “Harlem Night Song”------best uses words to create a vision or an idea of the city for you? In a paragraph, state your opinion

11. Math

\$52 sweater on sale for \$31.20 What is the percent of discount or markup ?

Front Range Cabinet Distributors in Colorado Springs, Colorado, sells to its contractors with a 32% markup on cost. If the selling price for cabinets is \$9,357, what is the cost to contractors based on cost?

13. MATH PLZ PLZ PLZ HELP HHHHHHHEEEEEEEEEELLLLLLLLPPP

The intersection of roads P and Q creates a 71° angle. What are the complementary and supplementary angles of this intersection? A.The complementary angle is 71° and the supplementary angle is 29°. B. The complementary angle is 29° and the

14. Math

1. Where is the incenter of any given triangle? A) the point of concurrency of the altitudes of the triangle. B) The point of concurrency of the medians of the triangle. C) The point of concurrency of the perpendicular bisectors of the triangle. D) The

15. physics

a uniform beam 6.0 metre long and weighing 4kg rests on support at p and q placed left and right 1.0 metres from each end of the beam weights of mass 10 kg and 8kg are placed near p and q respectively one each end of the beam.calculate the reaction at p

16. science

The equilibrium constant for the gas phase reaction N2O4 ⇀↽ 2 NO2 at a certain temperature is K = 0.0466. If the initial concentrations are [N2O4] = 1.0 M, [NO2] = 0.0 M, what are the final concentrations of [N2O4] and [NO2], respectively? 1. 1.0 M ;

17. Math

A 2005 Gallup Poll found that 7% of teenagers suffer from arachnophobia and are extremely afraid of spiders. At a summer camp there are 10 teenagers sleeping in each tent. Assume that these 10 teenagers are independent of each other. a) Calculate the

18. Math

If angle MNO is congruent to angle SQR which of the following is true? angle O congruent to angle Q angle M congruent to angle S angle MN (with a line of above it) congruent to angle SR (line above SR also) NO (line above the letters) congruent RS (line

19. ONE math question! Check please, thank you!

6) 108 is 36% of what number? Write and solve a proportion to solve the problem. Step 1. First, I will write the proportion to find the missing value, which I will replace it with n. 108/n = 36/100 Step 2. Next, I will write the cross products. So, 36n =

Can someone check my answers? 1. Obesity is the condition of being significantly overweight. A. True**** B. False 2. Obesity is body weight that is normal for that particular age, sex and height. A. True B. False**** 3. The number of children in the United

21. Language

which statement describes the translation form of a haiku poem? A. A three line poem with seven syllables in the first and third lines and five syllables in the middle line.•• B. A nine line poem with five syllable in odd numbered lines and seven

22. social studies

Some scientists think that Native Americans migrated from A.Europe. B.Asia C.Spain D.England

23. English

1.) Choose the meaning for the bold word. All ships' companies / **mustered** alongside for the mid-day meal. a.) Walked b.) Lined up c.) Ran over d.) Gathered D.

24. English

1.) What is the antecedent of the underlined pronoun in the sentence below? Jason and his friends listened to the speaker carefully and the asked *her* a few questions. a.) Jason b.) His friends c.) The speaker c..?

25. Math

Which congruence statement says the same thing as triangle ABC is congruent to triangle DEF? (1 point) triangle ABC is congruent to triangle EFD triangle ACB is congruent to triangle DEF triangle ACB is congruent to triangle DFE triangle BCA is congruent

26. Can someone help me on math?

Calculate the simple interest for each situation. Choose THREE that have a simple interest greater than \$800.00. a. \$2,000.00 at 6% for 7 years *** b. \$4,500.00 at 3% for 6 years *** c. \$1,400.00 at 6% for 9 years d. \$5,000,00 at 7% for 3 years *** e.

27. math

pls help which values will be part of the sequence 3,4,5,6,7,5... 9 11.5 15 19.5 my answers 9 11.5 15

28. Biology

What would most likely happen to cells placed in fresh water? a- water would flow out because they are hypotonic to the external environment b- water would flow into them because they are hypotonic to the external environment c- water would flow out of

29. Chemistry

A 1" x 1" 1/8" copper ingot has a density of 8.94 g/mL. 25 pellets were obtained from the ingot. Explain what would be the density of each pellet. I went ahead and found the mass of the ingot which is 1.1175g but I'm still stumped on what to do from there.

30. Math

a tree is 3,212 years old. How can you express this age in scientific notation with the lowest level of precision? 3x10^3 3.2x10^3 3.21x10^3 3.212x10^3***

31. math

The first and second terms of an exponential sequence (G.P) are respectively the first and third terms of a linear sequence (A.P). The fourth term of the linear sequence is 10 and sum of its first five terms is 60. find (a) the first five terms of the

32. Chemistry

Write a balanced equation for the following reaction. Use whole number coefficients and subscripts as appropriate. Carbon tetrachloride is an industrial liquid solvent. It is made by combining methane gas with elemental chlorine. These react to form carbon

33. Biology

Wine is made by mixing yeast with grapes and allowing the yeast cells to undergo fermentation. Sparkling wine is a type of wine that contains high levels of dissolved carbon dioxide. What is the source of the carbon atoms in the carbon dioxide found in

34. math

If you diluted 230 ml of 8% benzocaine lotion to 5%, how much could you produce?

35. English

1.) Jen,_____ latest story was published last week, is only 15 years old. a.) Who b.) Whom c.) Whose d.) Who's D. 2.) Terry and _____ have the same opinions about almost everything. a.) He b.) His c.) Him d.) He's C. 3.) We must admit that the best players

36. Language Arts

what form of nonfiction is this most likely from? A)An address B)A biography C)A Memoir D)An expository essay I think its A I need this too be answered quick!

37. More math

Calculate the simple interest for each situation. Choose THREE that have a simple interest greater than \$800.00. a. \$2,000.00 at 6% for 7 years *** b. \$4,500.00 at 3% for 6 years *** c. \$1,400.00 at 6% for 9 years d. \$5,000,00 at 7% for 3 years *** e.

38. Math

Dawn has 5/6 yard of lace. She uses 4/5 of it for a dress and the rest for a jewel box. How much lace does she use for the jewel box?

39. Art

Are willow strips waterproof? Yes Correct me if I'm wrong

40. Math

1. Complete two column proof. Given: x/6+2=15 Prove: x=78 x/6+2=15 A:______ x/6=13 B:______ x=78 C:_______ A:a. Given b. Subtraction Property of Equality c. Division Property of Equality B:a. Given b. Addition Property of Equality c. Multiplication

41. physics

Mars has a radius of about 0.38 Earth radius and a mass of only 0.11 Earth mass. Estimate the acceleration due to gravity on Mars.

42. physical science

A golfer on a level fairway hits a ball at an angle of 38° to the horizontal that travels 85 yd before striking the ground. He then hits another ball from the same spot with the same speed, but at a different angle. This ball also travels 85 yd. At what

43. Statistics

Suppose that IQ scores have a bell-shaped distribution with a mean of 99 and a standard deviation of 12. Using the empirical rule, what percentage of IQ scores are less than 87? Please do not round your answer. 87-99 = -12/12 = -1 I get stuck here. I know

44. Social studies

Which of the following best describes a way in which the United states had helped the Mexican economy to grow? Allowing Mexican workers in the United states to send remittance home. Signing NAFTA to encourage free trade. (MY ANSWER) Providing financial

45. math

how many 1/3 cup servings are in 3/4 of a cup of tea

46. Art

Correct me plz A sculptor creates a bust of a famous politician out of marble and places it in the outdoor courtyard of the capitol building. Why did he chose marble? A. he wanted to honor the politition by using expensive material. b. marble is cheap and

47. Math

Jenny spends 1/6 of her paycheck and saves 2/5 of the remaining amount. What fraction of her total paycheck is saved?

48. English

Identify the choice that best describes the underlined word. 1.) Masako took Jonah's woolen hat by mistake, thinking it was **hers** a.) First-person pronoun b.) Second-person pronoun c.) reflexive pronoun d.) posessive pronoun D. 2.) The children went to

49. Art

A sculptor creates a bust of a famous politician out of marble and places it in the outdoor courtyard of the capitol building. Why did he chose marble? A. he wanted to honor the politition by using expensive material. b. marble is cheap and east to find C.

50. chem

If a solution containing 88.445 g of mercury(II) perchlorate is allowed to react completely with a solution containing 13.180 g of sodium sulfide, how many grams of solid precipitate will be formed? How many grams of the reactant in excess will remain

51. activity

which of the following Phenomena does NOT involve the application of gas pressure?

52. English

1.) Choose the correct pronoun to complete the sentence below. The coach's final pick for the team was ___. a.) Her b.) She c.) Hers c?

53. English.

1.) Which of the following sentences is correct? a.) Today we celebrate Abraham Lincoln, to who this monument was raised. b.) Today we celebrate Abraham Lincoln, to whom this monument was raised. c.) Today we celebrate Abraham Lincoln, to whose this

54. physics

It has been suggested, and not facetiously, that life might have originated on Mars and been carried to Earth when a meteor hit Mars and blasted pieces of rock (perhaps containing primitive life) free of the surface. Astronomers know that many Martian

55. More math

Calculate the simple interest for each situation. Choose THREE that have a simple interest greater than \$800.00. a. \$2,000.00 at 6% for 7 years *** b. \$4,500.00 at 3% for 6 years *** c. \$1,400.00 at 6% for 9 years d. \$5,000,00 at 7% for 3 years *** e.

56. Language

What is the rhyme scheme of the above lines? A. abab B. aabb C. aabc•• D. abaa Correct me if I'm wrong!! The Assyr come down like a wolf on the fold, And his cohorts were gleaming in purple and gold. And the sheen of their spears was like stars on the

57. Math

Susanne and Barry each by 4 equal sized bagels. They divide the bagels equally among themselves and 3 other friends. How many bagels does each person get?

58. science

A loaf of bread weighs 1,362 g. The weight in kilograms is Select one: a. 1,362 kg. b. 0.01362 kg. c. 0.1362 kg. d. 1.362 kg. Next

59. Math

1. Calculate the simple interest for each situation. Choose THREE that have a simple interest greater than \$800.00. a. \$2,000.00 at 6% for 7 years *** b. \$4,500.00 at 3% for 6 years *** c. \$1,400.00 at 6% for 9 years d. \$5,000,00 at 7% for 3 years *** e.

60. algebra

The volume of a triangular prism is 264 cubic feet the area of the base is 48 square feet. Find the height of the prism

61. Physics

A 112 g hockey puck glides across a frictionless ice surface with no horizontal forces acting on it. If the puck's velocity is 22.5 m/s to the right at t = 0 s, what will the puck's horizontal velocity be at t = 225 ms? Round your answer to the nearest 0.1

62. algebra

H(t)=16t^+192t+2560 describe the height in feet, of the rock t seconds after thrown. What is the height of the rock in feet, 8 seconds after through?

63. Physics

A Styrofoam bucket of negligible mass contains 1.75 kg of water and 0.450 kg of ice. More ice, from a refrigerator at -15.0∘C, is added to the mixture in the bucket, and when thermal equilibrium has been reached, the total mass of ice in the bucket is

64. Art

Ancient native Americans chose willow strips to make baskets because they were easy to blend and A-east to find •• B-rare and valuable C-multi-colored D-waterproof Correct me plz

65. Art

Ketchup is a non-traditional material, but the artist used it in his protest piece against fast food restaurants because of it's ability to a. resist decay b. convey a message •• c. deteriorate quickly d. attract flies What did the broken glass in

66. algebra

State whether the growth (or decay) is linear or exponential, and answer the associated question. The population of Jamestown is increasing at a rate of 2.5% each year. If the population is 25,000 today, what will it be in 2 years?

67. Science

A body of mass 8kg moving with a velocity of 10m/s collides with another body of mass 6kg moving in the opposite direction with a velocity of 50m/s.determine their common velocity in the direction of A after collision

68. MATERIAL SCIENCE

1. Calculate the theoretical density of Barium metal barium 2. Calculate the theoretical densities and packing factor of barium zirconate (BaZrO3), and barium cerate (BaCeO3), both of which form the perovskite structure

69. Parts of Speech

In which sentence do the capitalized words represent a prepositional phrase? A. The Maxi Deli is AROUND THE CORNER. (B. I am not going TO RUN out of patience.) C. Apart from his looks, I would never TRUST HIM. D. The conductor CALLED OUT, "All aboard!"

70. Art

The jeweler set a ring so that the green of the emerald contrasted with the white of the diamonds. He decided that adding the large, costly stone was worth it a. because of the archival quality of the stone b. for aesthetic reasons•• c. to show his

71. Chemistry

The National Vaccine Information Center estimates that 90% of Americans have had chickenpox by the time they reach adulthood. We now consider a random sample of 120 American adults: a) Would you be surprised if there were 105 people who have had chickenpox

72. chemistry

Write a balanced equation for the following reaction. Use whole number coefficients and subscripts appropriately. When hydrochloric acid is mixed with sodium hydrogen carbonate, the mixture fizzes. The fizzing occurs because the reaction produces a gas,

73. Math

A bag contains 3 blue marbles, 4 red marbles, and 2 white marbles. Three times you draw a marble and return it. Find the probability. P(all white)

74. Biostatitics

Based on data collected by the National Center for Health Statistics and made available to the public in the Sample Adult database, an estimate of the percentage of adults who indicated to have at some point of their life been tested for HIV is 32 percent

75. Science

If a spring has a shiffness of 9,50nm-1 what work will be done in exered the spring by 60mm.

76. Physics HELP!!

From the top of a cliff overlooking a lake, a person throws two stones, as shown in the drawing. The cliff is 39.2 m high. The two stones described have identical initial speeds of v0 = 19.2 m/s and are thrown at an angle θ = 29.2 °, one below the

77. algebra

What are the vertex, axis of symmetry, maximum or minimum value, and range of y=-5(x+2)^2-8? please explain to me how you would solve this..I don't really understand. The answer is given.. The vertex is (-2, -8); the axis of symmetry is x= -2; k= -8 is the

78. English.

Choose the meaning of the word. 1.) Revelry. a.) Surprise b.) Confusion c.) Merriment d.) Rebellion

79. physics

a bullet of mass 20g travelling at 16m/s penetrates a brock of wood and it comes to rest in 0.5seconds.find(a)the acceralation (b)the average redating force(c)the depth of the penetration

80. Geometry

Which equation has intercepts x(1, 0, 0), y(0, -1, 0), and z(0, 0, 2)? 3x-2y+6z=12 2x-2y+z=2 4x-4y+z=4 x-y+2z=4 My answer- 2x-2y+2=2

81. math

What number is 73% of 215? (1 point) 215 = 0.73n n = 0.73 × 215 *** 0.73 = n × 215 215 = 73n

82. Art

Americans chose willow strips to make baskets because they were easy to blend and A-east to find •• B-rare and valuable C-multi-colored D-waterproof Correct me plz Okay I'm really sorry for posting this question again but I'm really sure it's A because

83. math

Two functions, A and B, are described as follows: Function A y = 9x + 4 Function B The rate of change is 3 and the y-intercept is 4. How much more is the rate of change of function A than the rate of change of function B? 2 3 6 9 I believe the answer is

84. maths

the sum of the first nine terms of an arithmetic sequence 216. The 1st, 3rd and 7th terms form the first three terms of a geometric sequence therefore find the common difference

85. Art

Americans chose willow strips to make baskets because they were easy to blend and A-east to find B-rare and valuable C-multi-colored D-waterproof •• Correct me plz

86. History HELP

Which of the following is a common source of groundwater pollution? A)Oil dumping and oil spills B)Tossing candy bar wrappers into a stream C)Flushing household chemicals down the toilet D)Leaking storage containers outside factories is it a

Sidney flew in an airplane five times during her vacation.The flights averaged 2 hours 8 minutes long.The lengths of her first four flights were 2 hours 10 minutes,3 hours 20 mins,1 hours 15 minutesand 2hours 40 minutes.What was the length of her last

88. Social studies

12. The American Revolution most likely encouraged the Mexican people to revolt against Spain by. A. exposing Spain’s lack of resources. B. introducing new political principles to Mexico. C. inspiring the French Revolution. D. showing that a colonial

89. chem

The temperature of a 80.0 g sample of mate- rial increases from 15.0◦C to 42.0◦C when it absorbs 4.00 kJ of energy as heat. What is the specific heat of this material? Answer in units of J/g · K.

90. Math

I don't understand how to do this, I would appreciate if someone could help explain. Two of the factors of ax^2+bx+c are (2x-2) and (x+5). Which is one of x-intercepts of y=ax^2+bx+c? Choices: -2 -1 5 1

91. Math

In which step is the error? Step 1: Let x = 1 and y = 1. Step 2: By substitution xy = y^2. Step 3: Multiplying both sides by -1, -xy= -y^2. Step 4: Adding x^2 to both sides, x^2-xy=x^2-y^2. Step 5: Factoring, x(x-y)=(x+y)(x-y). Step 6: Dividing both sides

92. chemistry

Crushing Can: youtube video: /watch?v=SBpqT-u8sjo 1. Explain why the can collapsed using the Combined Gas Law where T1 is the initial temperature of the air inside the can before the can was inverted and T2 is the temperature of the air inside the can

93. English

In "The Wager, by: Anton Chekhov" the climax comes when the jurist who is confined, begins to ask for musical instruments and tobacco. True or False

94. Science

How do you think a scientist might figure out a person’s identity from bones? My answer I think that depending on the shape and size of the bones are different for every person like you DNA. This is how they know who you are. it is also possible that

95. Science

Plz correct me if I'm wrong!! 1) Which of the following is a chemical change? (1 point) Boiling of water Melting a cube of ice Dissolving 10 grams of salt in water Splitting water into hydrogen and oxygen*** 2) What is the mass of water that results from

96. science

If exponential growth occurs in the population of a species of predator, the population of its prey will most likely decrease quickly. increase slowly. stay the same. experience exponential growth.

97. Language arts

Assyr come down like a wolf on the fold, And his cohorts were gleaming in purple and gold. And the sheen of their spears was like stars on the sea, When the blue wave rolls nightly on deep Galilee. What is the rhyme scheme of the above lines? A. abab B.

98. math

sams square bedroom has a diagonal of 9 feet what is the length of each side of his bedroom

99. activity

particle that can be drawn closer to accupy smaller valume?

100. Physics

What is the average linear speed of Mercury about the Sun? (The distance from the Sun to Mercury is 5.80 1010 meters. The orbital period around the Sun is 88 days.)

101. English

Choose the meaning that best matches the word in CAPS. We DISTILLED the water from the well so that it was safe to drink. chilled flavored **** purified strained Am i right

102. Physics

A jeepney slows down from 10 m/s to 4 m/s in 6 s. What is the distance covered?

cassie and connor are selling peaches yesterday cassie sold 31 peachesconnor sold p fewer peaches than cassie. a. suppose connor sold 50 peaches today explain how to write an expression for the number of peaches cassie sold today if connor sold p fewer

104. Math

Robert took a math test and got 36 out of 50 correct. What is the percentage of correct answers?

105. math

A 40 foot long escalator rises from the first floor to the second of a shopping mall. The escalator makes a 30 degree angle with the horizontal. How high above the first floor is the second floor?

106. science n4

a bullet is fired vertically upwards wth a initial velocity of 300m/s as it leaves the barrel.the rifle barrel is level with the ground and the rifleman stands in a trench.calculate the velocity of the bullet when it is 200m from ground level during the

107. Physics

From the top of a cliff overlooking a lake, a person throws two stones, as shown in the drawing. The cliff is 39.2 m high. The two stones described have identical initial speeds of v0 = 19.2 m/s and are thrown at an angle θ = 29.2 °, one below the

108. Language

Assyr come down like a wolf on the fold, And his cohorts were gleaming in purple and gold. And the sheen of their spears was like stars on the sea, When the blue wave rolls nightly on deep Galilee. What is a key characteristics of a refrain in poetry? A.

109. Precalculus

A movie theater charges \$ 8 for adults and \$ 6 for seniors. On a particular day when 336 people paid an admission, the total receipts were \$ 2598. How many who paid were adults? How many who paid were seniors? I got this two equation (8x+6y=2598 and second

110. Physic

Calculate The Momentum Of A 5g Bullet With A Velocity 200m/s

111. English

I would like for someone to check my sentences. Cross out any prepositional phrases. Underline the subject once and the verb or verb phrase twice. Label the Adv. 1.) Her dog likes to lie upon a pillow throughout the afternoon. ( subject:dog verb: likes

112. maths

the sum of 3 numbers is 81 the second number is twice the first and the third number is 6times more than the second. Find the number.

113. Art

Is it easy to find willow strips in America? I think no Correct me if I'm wrong!!

114. Geometry

The Arkansas State Capitol Building is a smaller version of the U.S. Capitol Building. The U.S. Capitol is 752 feet long and 288 feet tall. The Arkansas State Capitol is 564 feet long. What is the height of the Arkansas State Capitol? Show work

115. chemistry

A metal tank contains three gases: oxygen, helium, and nitrogen. If the partial pressu of the three gases in the tank are 5 atm of O2, 900 mm Hg of N2, and 1.4 kPa of He what total pressure inside of the tank?

116. math

the model of a car is 4 1/8 inches wide. is three inches ok the model represents five feet what is the actual width of the car

117. physics

Falls resulting in hip fractures (or head injuries) are a major cause of injury and even death to the elderly. Typically, the hip’s speed at impact is about 2.0 meters per second. If this can be reduced to 1.3 meters per second or less, the hip will

118. Physics

A freight train has two engines, each with a mass of 50,000kg, pulling 15 freight cars, each having a mass of 40,000kg.The

119. english

15. Martin had a parochial fear of travel, so it suprised everyone when he.....

120. perimeter

The screen T.V. of Bradley is 15 m 20 m. It wants to put the new cover on the screen of T.V. which costs \$25 per square meter. How much the cost-t-it to cover its screen T.V.?

121. Math

Find the the measure of the following angles? 1.

122. Physics

a projectile is fired horizontally outward from the top of a table. the initial height of the bullet above the ground is 1.5 meters and the bullet travels a horizontal distance of 3.0 meters before striking the ground. Calculate the time bullet was in the

123. Economics

Sixty percent (60%) of the U.S. workforce is made up of two main categories. What are they? Help on how I can answer this?

124. Chem

If a solution containing 88.445 g of mercury(II) perchlorate is allowed to react completely with a solution containing 13.180 g of sodium sulfide, how many grams of solid precipitate will be formed?

125. mechnics

a helical spring fixed by the upper end carries a load of 5kg attached to its lower end .Mass is set into vibration and is measured to make 2 oscillation per seconds .calculate 1.the stiffness of the spring 2.the acceleration at any condition along the

126. math

There are 16 animals on a farm 3/8 horses, 1/4 are donkeys and the rest are mules. How many horses,donkeys and mules are at the farm

127. math

help me in extended book of math I GCSE on page 57 exercise 7 in grade 10.

128. Social Studies

Hi, I'm having a really hard time understanding this concept. I know the answers because my teacher told us them but I don't know why they are the answers. Could you explain them please? 1. Professor Roth's rule is that any student who uses a cell phone in

129. math

deposit \$150.00 per month for 312 months. average interest is 4%. how much money will be account at the end?

130. Math

Sidney flew in an airplane five times during her vacation.The flights averaged 2 hours 8 minutes long.The lengths of her first four flights were 2 hours 10 minutes,3 hours 20 mins,1 hours 15 minutesand 2hours 40 minutes.What was the length of her last

131. Geometry

The measures of the angles in a triangle are in the extended ratio 3:4:5. Find the measures of the angles. show work x =       m∠1 =      ° m∠2 =      ° m∠3 =      °

132. Math

There are 250 students in the school auditorium for an assembly. 24% of the students are 5th graders. How many 5th graders are in the auditorium?

133. Geometry

The ratio of the side lengths of a quadrilateral is 2:4:5:7 and its perimeter is 36 meters. Determine the length of each side. x =       a =       b =       c =       d =       Show work

134. math

your bill comes to \$23.55 at a restaurant. how much money should you leave for a 15% tip for good service? How much money should you leave for a 20% tip for excellent service?

135. English

1. The man left a strong impression on me. 2. The man left a strong impression for me. 3. The man left me a strong impression. ======================= Are they all grammatical and do they have the same meaning? What is the difference between #1 and #2?

136. Chemistry

A Se-75 source is producing 310 rem at a distance of 3.0 m. What is the distance needed to decrease the intensity of exposure to below 25 rem, the level at which no effects would be detectable.

137. physics

Mars has a radius of about 0.38 Earth radius and a mass of only 0.11 Earth mass. Estimate the acceleration due to gravity on Mars.'

138. math

how do you simplify 10/21

139. Physics please i really need help

Suppose a car is traveling at +23.7 m/s, and the driver sees a traffic light turn red. After 0.427 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 9.00 m/s2. What is the stopping distance of the car, as measured

140. Bla

Ilena added 10 g of sugar to 50 ml of tea . What is the concentration of sugr in her tea Please help me

141. Math

There are 40 cows and chickens in a farmyard. One quiet afternoon, Lola counted and found that there were 100 legs in all. How many cows and how many chickens are there? thx...

142. Math

Equal length boards cut in 3/5 make 4 equal boards with the left over boards how many boards did he start with

143. Finance

Celeste just borrowed 47,500 dollars. She plans to repay this loan by making equal quarterly payments of 3,126.28 dollars for 19 quarters. If she makes her first quarterly payment later today, then what is the quarterly interest rate on the loan?

144. History of Drugs

The Great Experiment is often used when referring to? I think it is the Prohibition Era, The Eighteenth Amendment but I am not sure.

145. functions

f f(x) = (x-4) (x+3) , determine the x-intercept of each function a)y=f(x) b) y=-2f(x) c) y=f(-(x+1)) d) y= f(-1/2x) please help

146. physics

Falls resulting in hip fractures (or head injuries) are a major cause of injury and even death to the elderly. Typically, the hip’s speed at impact is about 2.0 meters per second. If this can be reduced to 1.3 meters per second or less, the hip will

147. Math

Are the following expressions equivalent? Prove your answer. 8(2z-3) and 16z - 3

148. Elementary Math

The question stated: Write a numerator that makes the statement true. 1/2< /10 < 4/5 My answer is 7/10 am I correct< If not please explain. Thanks

149. Physics

The initial velocity and acceleration of four moving objects at a given instant in time are given in the following table. Determine the final speed of each of the objects, assuming that the time elapsed since t = 0 s is 2.0 s. Initial Velocity (a) +12 m/s

150. math

In my math class tests are 70% and homework is 30% so if i wanted at least an 80% how much would be the least percentage i needed in each category

151. math-story prob

Please help: Jaylee wants to have a mural for her room. She has two bids: #1 Artist charges an initial fee of \$79.50, plus \$1 sq ft. Artist #2 does not charge a initial fee and charges \$2.50 sq ft. Which size of mural(in sq ft) will be the same cost when

152. Math

1) Given that p(-3), p(-1), and p(5)=0, which expression could be p(x)? A)x^3-x^2-17x-15 B)x^3+x^2-17x+15 C)x^3-3x^2-13x+15 D)x^3-9x^2+23x-15 I would appreciate if someone could show me how to solve it

153. math

In my math class tests are 70% and homework is 30% so if i wanted at least an 80% how much would be the least percentage i needed in each category

154. Physical sciences

A ball is thrown vertically upwards at 4ms-1 and returns yo the throwers hand.calculate the maximum height reached by the ball

155. PHY 231

Two masses M1 = 6.30 kg and M2 = 3.30 kg are on a frictionless surface, attached by a thin string. A force of 40.3 N pulls on M2 at an angle of 28.5° from the horizontal as shown in the figure. Calculate the tension T in the string.

156. Math

I got A and B but i need C Suppose a ship is sailing at a rate of 35km/h parellel to a straight shoreline. The ship is 10km from shore when it passes a lighthouse at 11am. a) Let k be the distance between the lighthouse and the ship. Let d be the distance

157. May

Based on the data in this table, what would be the value of k at 795 K? T k 625 1.1 x 10^-4 635 1.5 x 10^-4 645 2.0 x 10^-4 I tried to figure it out using two different ways, and I got 7.3 x 10^-3 both times. I asked for a "hint" and the homework site told

158. chemistry

A sample of gas at 300 K has a volume of 2.0 liters. At what temperature will the volume decrease to 1.0 liter if the pressure is kept constant?

159. Writing

Hello, I'm having a hard time trying to figure out what comes after the topic sentence in a paragraph and how specific it has to be.

160. Math

9 people are coming to Sam's party. If each person eats 1/5 of the cake, how many slices does each person get?

161. shankopal (koli)

What is law of mass action

162. Science

What is the centripetal acceleration a satellite is orbiting the Earth at an altitude of 300.22 km?

163. Do I have enough time

I am going to bed at 8:30 it's 7:45 or 7:47 so do I have enough time to complete my eassy that's 4 paragraph plz tell me This is not a homework question but plz help me Thanks

164. Maths

A certain seven digit number has only ones in the ones period only threes in the thousands period and only twos in the lakhs period the number is?

165. Physical science

What is the current produced by a 9volt battery flowing through a resistance of 2*10 ohms

166. English

Cross out prepositional phrases. Underline the subject once and the verb/verb phrase twice. Identify adv. 1.) The discussion between Lori and her mother was regarding their weekend plans. Subject: discussion Verb: was regarding Phrase: between Lori and her

167. Math

I have a problem Katie ran 3.4 miles in 0.8 hours. This is a ratio of 3.4 to 0.8. What is her unit rate of miles in 1 hour? I did 3.4 divided by 0.8 and got 4.25. Then i times 4.25 by 1 hour and got 4.25:1

168. math

Order the fraction from least to greatest. A. 2/7 , 1/3 , 3/4 , 4/9 B.1/2 , 2/3,3/4,4/5 C.5/8,11/12,7/4,9/16 D.1/2,5/6,2/5,7/10 F.3/4,2/9,13/18,11/12 G.2/5,5/12,3/10,1/6 H.3/7,4/9,4/5,5/8 I.3/14,5/18,7/16,1/12 J.2/3,3/7,6/10,1/5 K.9/8,7/2,13/6,5/4

169. criminal justice

Schlomo occasionally drinks beer with friends. His drinking doesn’t interfere with his job or personal obligations. He gets a pleasant “buzzed” feeling from two beers and doesn’t feel a need to drink more. Alcohol has not caused him any physical or

170. Math

1) Given that p(-3), p(-1), and p(5)=0, which expression could be p(x)? A)x^3-x^2-17x-15 B)x^3+x^2-17x+15 C)x^3-3x^2-13x+15 D)x^3-9x^2+23x-15 How do I solve it? Please help

171. Economics

Can you check my answer Consider an individual with a utility function of the form: U(x,y)=xy , and where m=1, px=2, and py=3 , where m is the individual's income or wealth, pi is the price of good i. Calculate the individual's optimal consumption bundle,

172. Maths

If 12 is subtracted from three times a number the result is equal to two-thirds of the number plus 16.What is the number

173. Math

I got A and B but i need C Suppose a ship is sailing at a rate of 35km/h parellel to a straight shoreline. The ship is 10km from shore when it passes a lighthouse at 11am. Question 6 a) Let k be the distance between the lighthouse and the ship. Let d be

174. Math

If salad dressing had 1/3 of the mixture was oil, 1/6 of the mixture is vinegar, 1/4 of the mixture was orange juice, and 1/4 of the mixture was lemon juice, what are 3 ways to write that so it tastes the same

175. Chemistry

Assume the reaction of 55.25 g of Ge in the following reaction to determine the other quantities. 3Ge + 2N2 -> 1Ge3N4

176. Math

Please help: Jaylee wants to have a mural for her room. She has two bids: #1 Artist charges an initial fee of \$79.50, plus \$1 sq ft. Artist #2 does not charge a initial fee and charges \$2.50 sq ft. Which size of mural(in sq ft) will be the same cost when

177. Math

A principal of \$2000 was invested in a savings account for 4 years. If the interest earned for that period was \$480 what is the interest rate? I = prt for r I did: 2000= 480(4) 2000=1920 9.6%

178. math

The salary scale in three school districts are as follows, for a teacher with a master’s degree: District P: \$30,000 plus \$1500 for each year of experience District Q: \$30,000 plus \$1750 for each year of experience District R: \$28,000 plus \$1750 for each

179. math

Tierra brought 4 3/8 yards of ribbon. 2 2/8 was blue and 1 2/8 was red. The rest of the ribbon was yellow. how many yards was yellow?

180. Math

1. Find the value of X. In the inside of the triangle, there are 5 angles, angle A, Angle B, angle C, angle D, and Angle E. There is a midsegment with 3x on one side of the midsegment and 48 on the inside of segment CD. There are also two 30's on each side

181. math

Find: Two numbers whose sum -10 and whose product is 5. ;;; x+y = -10 x= -10-y xy=5 (-10-y)y=5 -10y-y^2 = 5 -y^2-10y-5=0 y= -9.47213595499958 and y= -0.52786404500042 Two numbers whose sum is 1 and whose product is 1. ;;; y= (-1+ sqrt(-3))/-2 y= (-1 -

182. Math

Bett, Cathy, Isabel, Lani and Ursua run an 800-meter race. Betty beat Cathy by meters. Alma finished 12 meters behind Lani. Bettty finished 5 meters ahead of Ursula but 3 meters behind Lani. Isabel finished halfway between the first and last person. In

183. Math

Could you please explain the differences between linear relationships and exponential relationships? How or when would I use either or them? Thank you.

184. English

1. They looked around when he called. 2. He was not at home when he called. 3. They looked around when he called me. 4. He was not at home when he called me. =============== In #1, does 'called' means 'made a phone call' or 'sounded loudly'? What about in

185. math

How many five digit numbers can be formed for the set { 0,1,2,3,4,5,6,7,8,9} if zero cannot be the first digit and the given condition for each is to be satisfied? A. Repetitions are allowed and the number must be even. B. Repetitions are allowed and

186. Math

The House of Oscar measuring 12m by 16m. He wants to put a new carpet in the house which costs \$15 per square meter . How much would it cost to Oscar to the Carpet its house?

187. Chemistry

Answer the following questions using this balanced chemical equation. 2C3H6+9O2+6H2O How many grams of C3H6 are needed to produce 4.2 mol of H2O?

188. Math

There is a football field. Around the field is the section of a spectator. The edge of the football field is 5 meters distance from the outside edge of the section of the spectator. The section of the viewer is 130m in length and has a width of 85m. The

189. English

1. Fill out the boxes with your name and occupation. 2. Enter your name and occupation in the boxes. 3. Fill in the boxes with your name and occupation. =============== Are they all the same in meaning? What other expressions can we use instead of 'Enter"?

190. Math

Solve the equations below. Check your solutions. 3x-5/2=4x+1/4

191. Science

If a crate with 350N is pulled so that the crate slides at a constant velocity what is the friction force?

192. Math

10% requires you to move the decimal place over one place. So, it would be 2.32. Then, 5% is 1/2 of 10% so it would be 1.16. Add them together and its roughly around 3.50. Is this correct?

193. Math

X is the variable (2)xy_14.1/2=84y

194. Data Management

Simplify x^2 - xy + 2x/2x

195. English

Thank you for your help. The following questions are related to the verb 'call' one more time. 1. Did you call? 2. Did you call me? (Are both OK? Does 'call' mean 'make a phone call' or 'shout'? According to the situation, does the verb 'call' have both

196. chemistry

What is law of mass action

197. science

Atomic no.of an element is 12. what is it valency?

198. maths literacy,geography,life sciences and agricultural sciences

which course im suppose to do wth this subject...???

199. Math

10% requires you to move the decimal place over one place. So, it would be 2.32. Then, 5% is 1/2 of 10% so it would be 1.16. Add them together and its roughly around 3.50. Is this correct?

200. Introductory algebra

1/11-(-4/11) add or subtract as indicated

201. Math

I need to design a site plan for a wildlife centre. In order to save money, I must design the plan using the least amount of fencing possible. The plot of land is 80 m wide by 100 m long, and it must be fenced off. Each section for each animal must be

202. Pre-Algibra

Find the radius of a cone with a height of 14 cm and a volume of 718.4 〖cm〗^3, use 3.14 for X and remember to show all work

203. math

the area of a quilt that marys grandmother made is 389 inches squared. what are the dimensions of the quilt.

204. Math

Find functions of f•g, g•f, and their domains. f (x)=sqrtx-1, g (x)=x^2 Thank you very much

205. language art

why did the daughter is sometimes typing quickly and sometimes silent?

206. Same topic

I am at the 3 paragraph and almost done thank you for your help

207. the writer by richard wilbur

why do u think the daughter is sometimes typing quickly and sometimes silent?

208. math

if there are 6 horses are they enough for 16 students

209. Math

My border is 9 feet long and 1/3 foot wide each tile measures 1/3 foot by 1/3 foot each box of tiles contains 6 tiles how many boxes of tile,do I need show 2 equations to solve the problem

210. physic

A car starts from the origin and is driven 1.3 km south and then 3.5 km in a direction 53° north of east. Relative to the origin, what is the car's final location? Express your answer in terms of a distance and an angle.

211. Geometry

The perimeter of a triangle is 45 feet. The ratio of the width to the length is 2:3:4. Find the measure of each side. show work x =       a =       b =       c =

212. Geometry

In December 2004, the exchange rate of Mexican pesos to American dollars was 9.52 to 1. You paid 450 pesos for a jacket. Use the following model to find the price of the jacket in dollars. Show work

213. I am

Thank you to the people who help me Steve Ms .Sue And there were other names but I have to go to bed also feb 9 is my birthday so I am so excited well bye May god bless you

214. Math

What is fraction of5/6

215. Chemistry

The elements 57 through 71 (Lanthanum and the Lanthanoids) all form Ln+3 ions in aqueous solution. These all have an electron configuration is [Xe]4fn, where n increases from zero to fourteen over the series from Lanthanum to Lutetium Select the two ions

216. Economics

Luis’s utility function is u=x^.4y^.6 Suppose that Luis wants to get 60 utils, provide 4 bundles with which he can achieve that level of utility. Please explain

217. math

whats sets of number does the number 9/10 have?

218. math

Graph two equations to determine every real number whose square equals its cube. I am so confused!

219. math

Suppose ad-bc=0, c≠0, and d≠0. What can be deduced about a/c and b/d?

220. English

1. Please prepare a pencil and an eraser before starting the test. 2. Please prepare for a pencil and an eraser before starting the test. 3. Please prepare a pencil and an eraser for me before starting the test. 4. Please prepare for a pencil and an eraser

221. English

1. If you blend red and blue, you get purple. 2. Oil won't blend with water. 3. If you blend red with blue, you get purple. =================== Can we use 'mix' instead of 'blend' in each sentence? Are bothe the same in meaning? Does #3 mean #1?

222. Short Story

Can a person use free-verse format in a short story?

223. Math

Find out the volume of a prism which base is a right angle triangle and a side is 7 cm and height is 24 cm

224. Physics

Why are electrons allowed to fall on a crystal plate for diffraction ?

225. Math

In Super Bowl I, the Green Bay Packers defeated the Kansas City chiefs by a score of 35 to 10. The total points came from 13 different scoring plays, which were a combination of touchdowns, extra point kicks, and field goals, worth 6, 1, and 3 points

226. personification

The train_____the family through the woods and over the mountain.

227. science

What is the form of the graph, and what is the approximate distance traveled by the aircraft in 7.5 seconds

228. Math

If 150 degrees is an acute angle then its supplement is an abuse angle?

229. Math

If 150 degrees is an acute angle then its supplement is an abuse angle?what is the converse,inverse and contrapositive of this statement?

230. Physics HELPPP

(0 m/s)^2 - (23.7 m/s)^2 divided by 2(9.00 m/s)^2 ?

231. Math

Solve the equations below. Check your solutions. 8/k=14/k+3

232. Maths

there were 60 girls in class 6- b . 20% of them had curly hair . How many girls of class 6 - b had curly hair

233. geology

list down six techniques used to transfer heat from the earth crust to the surface by fluid circulation

234. Precal

Use row reduction to solve this x+4y=-22 -2X-2y=14

235. math

plot sin(1*pi*1000t) +2 where v(t) =1 what does this plot for two periods look liek

236. Science

How does a butt work?