# Questions Asked onJanuary 27, 2016

1. ## calc 1

If a ball is thrown in the air with a velocity 50 ft/s, its height in feet t seconds later is given by y = 50t − 16t^2. (a) Find the average velocity for the time period beginning when t = 2 and lasting 0.5 second 0.1 second 0.05 second 0.01 second i

2. ## Algebra

One angle in a triangle has a measure that is three times as large as the smallest angle. The measure of the third angle is 10 degrees more than that of the smallest angle. Find the measure of the LARGEST angle.

3. ## Math

Someone answer all of this clearly, I don't get it at all. 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 options: a) Let k be the distance between

4. ## MATH HELP

Joseph borrowed a book from a library. The library charged a fixed rental for the book and a late fee for every day the book was overdue. The expression below shows the charges Joseph paid for the book when he returned it x days after the due date: 2 +

5. ## Math

What is the slope of the line containing the points (-9,2) and (3,14)?

6. ## math

A cookie recipe calls for 3/4 of a cup of flour and makes one dozen cookies. How many cookies can you make if you have 10 cups of flour and want to use it all? I said 160 cookies. I used a proportion to solve this but is there another way to solve it?

7. ## English

In Frost's poem "Mending Wall," the lines "I see him there,/ Bringing a stone grasped firmly by the top/ In each hand, like an old-stone savage armed" uses which poetic device? a. simile*** b. metaphor c. alliteration d. personification

8. ## Physics

A charge of -3.17 μC is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass (radius = 0.115 m). The charges on the circle are -3.96 μC at the position due north and +5.03 μC at the position due east. What is

9. ## English

"I thought myself pretty smart at many things, like holding my breath, running, jumping, or climbing vines in Old Woman Swamp, and I wanted more than anything else someone to race to Horsehead Landing, someone to box with, and someone to perch in the top

10. ## chemistry

if 100g of calcium carbonate on heating produces 44g of carbon dioxide,how much calcium oxide will be formed?

11. ## Biology

What is the difference between tolerance range and optimum range in Biology?

12. ## Chemistry

You have 10.5 moles of C5H12, how many moles of C do you have?

13. ## Physics

A particle of mass 57 g and charge 70 µC is released from rest when it is 34 cm from a second particle of charge −12 µC. Determine the magnitude of the initial acceleration of the 57 g particle. Answer in units of m/s2.

14. ## math

Write a real-world problem that you could represent with the equation 4x+5=37. Solve the equation to find the answer to your question.

15. ## Math

Matthew and May want to buy a birthday present for their mother. May has 3 times as much money as Matthew. The birthday present costs \$50. After buying the birthday present,they have \$70 left. How much money dose Matthew have at first?

16. ## Chemistry

Calculate the mass percent of water in the hydrate Al2(SO4)3·18H2O to four sig. figs. I got this answer 60.23, but I just am confused on how to correctly write the units

17. ## science

2. which of the following statements about the inner planets is true ? ( 1point ) A. they all have rings b. they have all abundant liquid water c. they all have many moons d. they are small and have rocky surfaces

18. ## math

if angle 1 and angle 2 are supplementary angles, then one of them must be acute. Counter exmaple?

19. ## Penn foster

Which of the following sentences demonstrates the correct use of capitalizing direction words? The Northeast has been hit with an unusually cold winter. Poor Alex thought he was driving West. i live just South of Scranton. Are you heading East

20. ## Algebra

Find four consecutive odd numbers which add to 80. Give the numbers smallest to largest

Given cos 67.5° = [√(2+√2)]/2, find tan 67.5° , simplify where needed, and show work. I'm starting to learn this stuff, and I'm so confused where to start. I know they gave me the coordinate X as in cos 67.5° = [√(2+√2)]/2, and I also know that

22. ## English

A narrator who uses pronouns such as he, she, and they and knows all of the characters’ thoughts and actions is a. first person b. second person c. third person limited d. third person omniscient***

23. ## Art

judging from this architectural structure, which of the following is not one of its main roles of art? A. creation of entertainment B. aesthetic representation C. financial incentive D. historical/ cultural representation what is the main role of this

24. ## Chemistry

If each balloon is filled with carbon dioxide gas at 20 degrees C and 1 atmosphere, calculate the mass and the number of moles of carbon dioxide in each balloon at maximum inflation. Use the ideal gas law in your calculation. Someone please let me know the

asked by Cindy Avalos
25. ## Psychology

A man feels anxious and a little sick to his stomach when he walked up to the front door of his old elementary school. School had been very hard for him and he remembers feeling “stupid” a lot of the time he was in school. What is the unconditioned

26. ## Algebra

A rectangular room is 6 6 meters longer than it is wide, and its perimeter is 28 28 meters. Find the dimension of the room. The length is : meters and the width is meters.

27. ## English

Which of the following sentences best reflects chronological order? a. George Washington Carver became known for his research on plant biology. b. He attended Simpson College from 1890, and enrolled in Iowa State Agricultural College the following year.***

28. ## Chemistry

If each balloon is filled with carbon dioxide gas at 20 degrees C and 1 atmosphere, calculate the mass and the number of moles of carbon dioxide in each balloon at maximum inflation. Use the ideal gas law in your calculation. The volume of the balloon at

asked by Cindy Avalos
29. ## Math

which of the following can represent the measure of the three angle in an acute triangle? A. 59, 61,62 B. 30, 25, 125 C. 56,72,52•• D. 90, 45, 45 Plz correct me!!

30. ## English

Choose the term that best describes the quoted phrase. "He read the book" that his aunt had recommended. a. noun clause b. adverb clause c. independent clause*** d. subordinate clause

31. ## English

Which of the following is a complete sentence? a. Starting at four o'clock. b. The theater where rehearsals take place. c. Stage hands, props, and lighting crew. d. Hannah memorized her lines.***

32. ## PHYSICS

A UNIFORM METER RULE IS PIVOTED AT P IN 80cm mark on the meter rule force 0.2 And 0.8N Are Applied At M The 60Cm Mark And Q The 90Cm Mark.If The Rule Is In Equilibrium .Find The Mass Of The Rule.Take g=10ms-2

33. ## Chemistry

How much oxygen is needed to form 50 grams of water?

34. ## Algebra

Two angles of a triangle have the same measure and the third one is 9 degrees greater than the measure of each of the other two. Find the measure of the LARGEST angle in the triangle.

35. ## Pre-calculas

Boat A leaves a dock headed due east at 1:00 PM traveling at a speed of 16 mi/hr. At 2:00 PM, Boat B leaves the same dock traveling due north at a speed of 18 mi/hr. Find an equation that represents the distance d in miles between the boats and any time t

36. ## civic

what are the local civic problems

37. ## English

There is nothing I want to do and too much that has to be done and momma's in the bedroom with the door closed The final lines of this excerpt are repeated three times throughout the poem "Hanging Fire." Which theme do they convey? a. anxiety about growing

38. ## Math

solve the system of equations by substitution x=-4y x+5y=2 please help

39. ## maths surd

determine if the following are surd. no 1.√121 no 2.√0.25 no 3.√128 no 4.√1 whole number 9÷16 no 5.√4000 no 6.√36 no 7.√1.44

40. ## Physics

a spring extends by 10 cm when a mass of 100g is attached to it. what is the spring constant?

41. ## English

1. I couldn't swim at all when I was young. 2. I couldn't swim at all because I was young. (Are both grammatical? Which one is better?) --------------------------- 3. My pencil is longer than you. 4. My pencil is longer than your pencil. 5. My pencil is

42. ## chemistry

Describe the circumstances in which the following processes could be used to separate the components of a mixture. -sublimation -crystallization -evaporation of a solvent from a solution -dissolving of an impure substance in a solvent

43. ## Art

3.)Creating artwork that showed scenes of everyday life was very different from what was normally painted in the late 1800s This change in style allowed the artist to be more art A.) Common B.) Traditional C.) Creative D.) Boring

asked by YRN DJ
44. ## math

what number is 100 less than 547?

45. ## Algebra

The sum of five and three times a number is 89. What is the number?

46. ## maths

The sum of the first n terms of an exponential series is 364. The sum of their reciprocal is 364/243. If the first term is 1,find n and the common ratio.

47. ## Pre-Calc

How do you do this? A farmer has 336 feet of fencing and wants to build two identical pens for his prize-winning pigs. The pens will be arranged as shown. Determine the dimensions of a pen that will maximize its area.

48. ## Algebra

Find two consecutive numbers whose sum is 529.

49. ## Chem

A solution is prepared by adding 1.50 mol glucose to 3.50 mol water. What is the vapor pressure of the solution at 25 oC given that the vapor pressure of pure water is 23.8 torr?

50. ## geography

The lengths of two sides of a right triangle are 12 inches and 15 inches. What is the difference between the two possible lengths of the third side of the triangle? Round your answer to the nearest tenth.

51. ## Math

1. Find the length of a diagonal of a rectangle ABCD with vertices, A (-3,1), B(-1,3), C(3,-1) and D (1,-3). A) 5.7 B) 6.3 C) 3.2 D) 4.5 Hello! I don't understand how to solve this question since the unit I just read barely went over this. If anyone could

52. ## science

after striking the floor a ball rebounds 4/5th of the height from which it has fallen find the total distance travelled before coming to rest considering its dropped from 100m

53. ## history

Why was harappa and mohenjo daro important in Indus Valley Civilizations?

54. ## video formatting

I created a video on windows movie maker and have to save it in the .wmv format. So I went to save movie and added .wmv but it doesn't save it as that it saves it as mp4. is this almost the same thing?

55. ## Language Arts

Which words should be deleted to remove redundancy? At first, my initial reaction was to cancel my subscription to the monthly magazine because the customer service representative was so rude to me. A) At first, B) monthly magazine C) my initial reaction

56. ## Biology

How does Nutrients get affected from surface runoff in Biology? If in detail, you could explain what exactly is Surface Runoff, and what causes it, that'd be of great help !

57. ## Math

5. What is the contrapositive of the following conditional: "If a student plays basketball, then the student is over 6 feet tall." A- If a student is over 6 feet tall then the student plays basketball. B - IF a student is not over 6 feet tall, then the

58. ## Biology

What is pesticide resistance? Why is it that biological control is a good solution to the problem of pesticide resistance?

59. ## social studies

What do Israelis and Palestinians most have in common A). Religious Beliefs B). Military Strength C). Political D). A Homeland my answer is (idk)

60. ## math

The population of Town A is 60000 and town B is 70000. Find the percentage of town A as town B

61. ## Biology

Define and give examples of predation, competition, and symbiosis.

62. ## Biology

What's an ecological niche?

63. ## English

1. In "The Scarlet Ibis" which character trait of the narrator most leads to his regret at the death of his brother? a. generosity b. creativity c. cruelty d. pride*** 2. Cause - There is a concern about global warming and the damage it is doing to the

64. ## maths

1. If a map has a scale of 1cm to 30km, what distance would 1mm represent? 2. If it takes a spacecraft 3 days to travel 250,000 kilometres, what length of time will it take to travel one million kilometres? 3. A publican makes 75 cents on every bottle of

65. ## math

how do i divide -2.4 by 2.54?

66. ## math

In a freshman class of 3500 students at a particular college, 20000 are taking either a history of English class their first semester. Of these 2000 students, 1300 are taking both a history class and an English class, and 375 are taking only a history

67. ## math

There were 24 people on the bus. At the bus stop 9 people got off the bus. How many people are on the bus now? Show 2 different ways to solve this problem

One more problem.. Given sin t= 3/11 and cos t

69. ## Math

You food costs are \$1700. Your total food sales are \$8500. What percent of your food sales do the food costs represent?

70. ## Health

Which statement defines your righs as a consumer? 1 the right to information, 2 the right to consumer protection by the government, and 3.... The right to complain. The right to avoid fraud. The right to evaluate claims. The right to not pay. (MY ANSWER)

71. ## analytic geometry

Determine the acute angle between the lines 3x - 7y = 21 and 5x + 3y = 15.

72. ## math

Tourists were on a hiking trip for three days. On the first day, they hiked 1/8 of the trail. On the second day they hiked 4/7 of the remaining trail. On the third day they hiked 1/3 of the remaining trail and the last 8 km. How many km is the whole trail?

73. ## physics

A batter hits a ball, causing it to leave the bat at 135 m/s and at an angle of 18.3 degrees from the horizontal. If the baseball field is level, and ignoring the height at which the batter hits the ball, how far (horizontally, in meters) away from the

74. ## Chemistry

Which of the following has the lowest conductivity when dissolved ? F2, H2O, MgO, or LiCl

75. ## Language Arts

Excerpt from: Norse Mythology Part D Kate McConnaughey Then Loki, the spirit of evil, will break loose from the fetters with which the gods have bound him. (31) The frost giants join him. They will try to make a secret attack on the gods. But Heimdall, the

76. ## Chemistry

Crystal of Sodium form Cubic unit cell with edge length 430pm.Find the no.of atoms present per unit cell and also the type of unit cell. P.S. No radius or density is given so its a lil bit tough dan the rest... Plz Help ASAP !!

77. ## luma

A rock weighs 100 N in air and has a volume of 0.00312 m^3. What is its apparent weight when submerged in water? The acceleration of gravity is 9.8 m/s^2. Answer in units of N.

78. ## science & technology

when a body immersed in water from spring balance and shows 100gm weight loss. what is the weight of the body in water? 2)what is the weight of the body in air? 3)what is the upthurst on the body? 4) what is the volume of the body? give reason

79. ## English

Which of the following best describes the setting of Maya Angelou's "I Know Why the Caged Bird Sings"? a. The girls often held hands and no longer bothered to speak to the lower students. b. Parents who could afford it had ordered new shoes and ready-made

80. ## math

the legth of a side of a square is represented by (3x-1). if the perimeter of the square is 68, find t he value of x

81. ## Math

An aero plane leaves a point on latitude 54 degree south at 10am in the morning. It flies due south at a steady speed of 800km/hr .(A)calculate it's latitude at midday. (B) at what time does it pass over the south-pole

82. ## math

sam bought two books.one book cost 4.00\$ more than three times other.together,thee two books cost him 72\$

83. ## Physics

W.K.T, Magnetic Force qvB=mv^2/r ... n we know how to prove it too.... But how to show that the radius of curvature of the circular path is proportional to the linear momentum of the charge ?

84. ## Physics

A floating ball normally weighs 7 N. The acceleration of gravity is 9.8 m/s^2. What is the size of the buoyant force that acts on it? Answer in units of N.

85. ## Calc 1 limits

The equation is x^2+6x+9/x^4-81 Limit is x➡️-3 I factored it out and I got 1/36 would that be right The numerator would factor out to be (x+3)(x+3) then the denominator would be (x+3)(x-3)(x+3)(x-3) this would cancel out the (x+3) which would leave

86. ## English

"What are you crying for?" asked Daddy, but I couldn't answer. They didn't know that I did it for myself; that pride, whose slave I was, spoke to me louder than all their voices, and that Doodle walked only because I was ashamed of having a crippled

87. ## Chemistry

Culd i get a reference to the formulae used in Solid State ?? (Like the no.of atoms in a face centred cubic cell is 4 Etc )

88. ## Science

A tank which is raised above the ground level, has a hole in its flat base, through which water flows and falls to the ground below. If the depth of water in the tank is 0.5 m and the tank base is 0.7 m above the ground, what is the fluid velocity (u)

89. ## Physics

A 1.8 kg rectangular air mattress is 2.46 m long, 1.23 m wide, and 0.189 m thick. What mass can it support in water before sinking? Answer in units of kg.

90. ## Pre-calculas

A conical tank of radius R=19 feet and height of H=16 feet is being filled with water at a rate of 9ft 3 /min . (a) Express the height h of the water in the tank, in feet, as a function of time t in minutes

91. ## Physics

A small rectangular ferry boat is 3.87 m wide and 5.81 m long. When a loaded truck pulls onto it, the boat sink an additional 4.31 cm into the river. What is the weight of the truck? The acceleration of gravity is 9.8 m/s^2. Answer in units of kN.

92. ## math

four angles are put together, forming a straight angle. two of the angles are the same size. the other two angles are also the same size but different from the other two. If one of the angles is 40 degrees, what are the measures of the other three? please

93. ## Math

Wendy's savings to Stef's savings were 5:6. After they spent \$28 each, then the ratio became 1:4. A) Find Wendy's saving before spent \$28. B) What's Stef's saving after spent \$28.

94. ## Chem

A mass of 0.4 g of hydrogen (H2) and 3.2 g of helium (He) are mixed in a rigid 500 mL container. What is the partial pressure of helium when the container is cooled to 77 K ?

95. ## Physics

Two large parallel plates are separated by a small gap of distance 2 mm. See figure below. A fluid with dynamic viscosity µ = 10-3 Pa.s fills the gap between the plates. The surface area of each side of the plates is 2 m2. The top plate has a velocity 2.0

96. ## English

In James Hurst’s short story “The Scarlet Ibis,” who or what does the delicate red bird symbolize? a. the narrator b. the narrator’s brother Doodle*** c. the inevitability of death d. the fragility of family relationships

97. ## math

how do you divide a 3 with a 2 when they're not even???!!!!

98. ## social studies

americas industrial revolution began to take root in A) New England B) the west C) the Middle Atlantic D) the South

99. ## Math

13+d=44 What does the variable represent

100. ## math

Find an equation of the line that satisfies the given conditions: through (2, 4), perpendicular to x − 4y + 7 = 0.

101. ## Biology

How do natural ecosystems have more biodiversity?

102. ## Wilson Elementary

Molly uses 192 beads to make a bracelet and a necklace. It takes 5 times as many beads to make a necklace than it does to make a bracelet. How many beads are used to make a necklace. Please breakdown of step by step.

103. ## Algebra

Two angles of a triangle have the same measure and the third one is 51 degrees greater than the measure of each of the other two. Find the measure of the LARGEST angle in the triangle.

104. ## maths number system

Determine the lub and glb of the equation no 1. (2)1

105. ## math

You and your sister work on the weekends at your parents’ store. You receive \$4 per hour and your sister gets \$5 per hour. On Saturday both of you worked a total of 7 h and together made \$32. How much money did each of you earn on Saturday?

106. ## Wave

If a ray of light moves from air to water the angle of incidence is--------- the angle of refraction

107. ## Physics

A rock dropped from the top of a building takes 0.55 s to fall the last 50% of the distance from the top to the ground.How tall is the building?

108. ## Physical Science

QUESTION GIVEN---Thermal conductors don’t have to be hot to transfer heat. According to Ch.16, explain a situation when an ice cube would still transfer heat to another object it is in contact with. MY ANSWER---Because, the ice may be trying to transfer

109. ## chem 101

Calculate the amount of heat required to raise the temperature of a 25 g sample of water from 9 ∘C to 30 ∘C. Express your answer using two significant figures.

110. ## Math

The 2nd and 5th term of a.p are -7 and 56 respectively find the first term. The common ratio. The sum of the five term

111. ## PHYSICS

A CAR TRAVELLING AT 30M/S Overcome A FrictionAlly Resistance Of 100N While Moving.What Is The Power Of The Engine(Take 1 Hp=3/4 Kw)

112. ## Chemistry

[10:58am]: Wn 4.5g of liquid water was formed by burning hydrogen gas in oxygen,-72kj of heat was given off.calc d standad heat formation of water

113. ## Math

A swimming pool was filled with 600 gallons of water in 20 minutes. What was the rate at which the pool was filled A.25 gallons per minute B.30 gallons per minute *** C.50 gallons per minute D.150 gallons per minute A swimming pool was filled with 600

114. ## Math

Tory has 4 blue jelly beans, 6 red jelly beans, 5 yellow jelly beans, and 1 green jelly bean in his bag. What fraction of the jelly beans are A)Blue B)Yellow C)Red D)Green

115. ## math

5:15 and x:3 a.5 b.3 c.1

116. ## English

1. He became a president when he was 48 years old. 2. He became the president when he was 48 years old. 3. He became president when he was 48 years old. 4. He became President when he was 48 years old. 5. He became the President when he was 48 years old.

118. ## Algebra

rectangular room is 3 3 times as long as it is wide, and its perimeter is 40 40 meters. Find the dimension of the room. The length is : meters and the width is

119. ## Math

How do you do 4ln(2x+3)=11

120. ## Algebra

One angle in a triangle has a measure that is three times as large as the smallest angle. The measure of the third angle is 10 degrees more than that of the smallest angle. Find the measure of the LARGEST angle.

121. ## math

OT is a vertical mast of height h. From A, a m due south of O, the angle of elevation of T is 30 degree. If B is a point 2a m from A, on a bearing of 060 degree, find the angle of elevation of T from B.

122. ## Chemistry 101

A chemist needs 2.00 grams of a liquid compound with a density of 0.785 g/cm^3 density. what volume of compund is required?

123. ## math

8+32n=31n+7

asked by kensy lara
124. ## Data Management

Q: A coin is tossed 9 times. How many ways could the result be 6 heads and 3 tails? Answer is 84 ways If you could explain the process on how you get the answer that would be really helpful because I always get stuck on this kind of question... thanks!

125. ## Math

What's another way you can write 0.023 (fraction or percent) problem: write 0.023 two different ways

126. ## history

My history Textbook did not clarify how the U.S decided to go to war with Britain in 1812. can anyone explain? that would clear up alott for me thx:)

127. ## English

He is surprised when he sees paintings in Ishaan's room. -------------------- What does "Ishaan's room" modify? Does it modify "paintings"? Is he in Ishaan's room and does he see the paintings? Or he is not in Ishaan's room. He just sees Ishaan's paintings

128. ## Chemistry

aCETYLENE REACTS WITH OXYGEN GAS TO PRODUCE CARBON DIOXIDE GAS AND WATER VAPOR

129. ## AAMU

a woman jogs for 2km at 8km/h and then walks for 2km at 6km/h. What is her average speed for the entire trip?

130. ## Math

it takes 45 min. to plant 12 plants how long does it take to plant 5

131. ## physics

an operating 100-watt lamp is connected to a 120-volt outlet. what is the total energy used by the lamp in 60. seconds

132. ## Math

Which word best completes this statement? Adjacent angles are_______ congruent. A. Always B. Sometimes •• C. Never D. None of these Correct me

133. ## Physics

It has two flags, each exactly 25.4 mm long, with the midpoints of the flags separated by 162 mm. The first flag interrupts the photogate timer for a time 50 ms, and the second flag interrupts the photogate timer for a time 45 ms. 1) What was the average

134. ## Algebra

Please I need some help for this problem below please show the full solution thanks:Two angles of a triangle have the same measure and the third one is 51 degrees greater than the measure of each of the other two. Find the measure of the LARGEST angle in

135. ## Physical Science

I am having trouble coming up with an answer to this, and I can't seem to find it in my textbook....can I get a little help? QUESTION---Explain why the speed of sound is faster in solids than in gases

136. ## Math

Is IQR better for non-symmetrical data?

137. ## Algebra

A rectangular room is 6 meters longer than it is wide, and its perimeter is 28 meters. Find the dimension of the room. The length is:_____meters and the width is___meters.

138. ## Math

intersecting lines (1 point)40¨¬ 50¨¬ •• 140¨¬ 180¨¬ 2. Which word best completes this statement? Adjacent angles are ___________ congruent. (1 point)always sometimes •• never none of these 3. Which angle is adjacent to ¡ÐAFB? angles (1

139. ## Pre-Algebra

Four times the sum of three times a number and 5 is the same as the sum of 11 times the number and 5

140. ## Chemistry

I have been plagued by this question for a good half an hour, whilst doing past papers I came across it- ' EXPLAIN why the value of Kw increases as the temperature increases' as far as I can tell, it is about the excess production of OH- and H+ from le

141. ## physics

In a cathode-ray tube, electrons are projected horizontally at 1.0×10^6 m/s and travel a horizontal distance 11.5 cm across the tube. How long are the electrons in flight? Express your answer to two significant figures and include the appropriate units.

142. ## L.A

What sort of day does Emily Dickinson describe in ''The Sky Is Low, the Clouds Are Mean''?

143. ## math

21 to x and 7 to 10 a24 b30 c.40

144. ## English

Choose the term that describes the type of sentence shown. The price of admission is a can of food or a child's toy. a. simple*** b. compound c. complex d. compound-complex

145. ## Science HELP!

2:What is the genetic code? A:The order of amino acids in proteins makes up the genetic code. B:The order of amino acids in mRNA makes up the genetic code. C:The order of nitrogen bases in tRNA makes up the genetic code. D:The order of nitrogen bases in

asked by reality check
146. ## Math help

A spherical water tank holds 15.000ft^3 of water. Find the diameter of the tank ( hint: V=pi/6*D^3

147. ## Algebra

Six subtracted from twelve times a number is 174. What is the number?

148. ## physics

Position vector r⃗ has magnitude of 15.0 m and direction angle 250 ∘. Find its components. Find the components, magnitude, and direction of the vector −2r⃗ . Where do I start?

149. ## English

Choose the term that describes the type of sentence shown. The Cause Club, which is a community service group, is holding a dance. a. simple*** b. compound c. complex d. compound-complex

150. ## algebra

Sue ate some apples from a bag. She left 20 apples. This is five-eights the number of apples she had bought. How many apples did she buy?

151. ## math

Michelle had 12 girls and 36 boys show up for field day. She wanted to divide them into groups so that each group had the same number of girls and boys. What is the greatest number of groups that Michelle can make if all of the children are in a group? a.3

152. ## Physics

A proton and an alpha particle (q = +2.00e, m = 4.00u ) are fired directly toward each other from far away, each with an initial speed of 0.247c. What is their distance of closest approach, as measured between their centers? (Hint: There are two conserved

153. ## science

Scientists earlier believed that the lowest measurable temperature is the freezing point of ice. However, modern scientists believe that temperatures below the freezing point of ice can also exist. What best accounts for these different opinions?

154. ## Math

A serving of ice cream contains 5000 calories. 200 calories come from fat. What percent of the total calories come from fat?

155. ## Chemistry

If each balloon is filled with carbon dioxide gas at 20 degrees C and 1 atmosphere, calculate the mass and the number of moles of carbon dioxide in each balloon at maximum inflation. Use the ideal gas law in your calculation. Someone please let me know the

asked by Cindy Avalos
156. ## Geography

Tme measurement

157. ## English

I have to add er to firefight. Is it firefighter or firefightter? Why I know is firefighter but I have to explain why? Help please

158. ## English

Cause - There is a concern about global warming and the damage it is doing to the environment. Effect - ??????? Which of the following belong in the "Effect" row? a. Solar panels help to harness the energy from the sun and convert it into electricity. b.

159. ## math

Suppose that the population of deer in a state is 19,900 and is growing 3% each year. Predict the population after 10 years. (1 point) A.about 274,338 deer B.about 26,744 deer**** D.about 597,000 deer C.about 204,970 deer i need help i don't if i'm right

160. ## Physics

A thin metallic spherical shell of radius .5m has a total charge of 8 μC uniformly distributed on it. At the center of the shell is placed a point charge of 4 μC. What is the electric field at a distance of .15 m from the center of the spherical shell? I

161. ## English

What would be the least effective detail for a description about amusement park? a. Children sip lemonade and munch on popcorn. b. Tickets can be purchased in advance or at the entrance gate. c. All nine of the roller coasters have been tested for safety

162. ## English

Which of the following topics is the clearest example of the informative purpose? A. a short essay describing a recent trip to New Zealand*** B. a eulogy for a deceased friend C. a glowing movie review D. a dialogue between two char

163. ## Algebra

Find two consecutive even numbers whose sum is 1306.

164. ## Social Studies

Hello!! can someone please explain to me the cause and effect of white supremacy?? thank you!!

165. ## maths

The population of town A is 60000 and town B is 70000 find the percentage of town A as town B

166. ## Pre-Algebra

The sum of a number and 3, multiplied by the sum of the number and 4 is equivalent to 16

167. ## Algebra

Find four consecutive odd numbers which add to 80. Give the numbers smallest to largest

168. ## science

why does the sun appear to move westward across the sky during the day? a) because earth rotates to the east b) because earth rotates to the west c) because the sun moves in a westerly direction d) because of the way you are looking into the sky

asked by need help
169. ## Health

A main function of the skeleton system is to?

170. ## math

students are growing plants under different conditions. the average plant growth during a week is 3.5 inches. the difference from the average for Ji is 2 1/4 in., Gayle -2 7/10 in., Stefan 1.5 cm and Ricardo -2.4 cm. How do you find the actual height of

171. ## Calc 1

Evaluate the limit (6+h)^3-216/h I think you would have expand the numerator (6+h)^3 = but how would you do it? 216+108h+h^3? It's not coming out right...

172. ## Biology

What's the difference between Bio accumulation and Bio amplification?

173. ## Math

Calculate 56% of 880 kg?

174. ## Stats

A sample of n=9 scores has a mean of M=20. One of the scores is changed and the new mean is found to be M=22. If the changed score was originally X=7, what is the new value?

175. ## Biology

What is an invasive specie, and what are some negative effects of an invasive species?

176. ## Biology

What is the difference between endangered and extirpated?

177. ## Science

what can fossils tell you about organisms and environments of the past?

178. ## Math

Will has 27 books Cassandra ha17 books how many books do they have together

179. ## Biology

What causes acid precipitation, and what are the negative effects of acid precipitation?

180. ## Biology

What is an ecological footprint and why does Nothern Americans have such large ecological footprints?

181. ## maths lite.life science.agric.afrikaans

is it possible for me to become a medical docter without pure maths but life science??

182. ## English

What is formal schooling

183. ## Science

Beach sand contains plenty of the mineral quartz. Why should you not put your plastic sunglasses down on the sand at the beach?

184. ## Math

To purchase a computer for the student activities office, the freshman class decides to raise 1/4 of the money, and sophomore class decides to raise 2/3 of the money. The student government association agrees to contribute the rest, which amounted to \$200.

185. ## Question About my Essay

Hi again, I was wondering about a paragraph in my Informal Essay & wasn't sure if what I had used was correct. Which of the following sentences is correct for an essay??? 1) According to matadornetwork (dot) com, we should have plenty of new pieces of

186. ## Language Arts

When He-Ping says that he wouldn't miss it for the world, he means that A) he is not sure. Eliminate B) he really wants to go. C) he thinks his mom should know. D) he does not know if he is allowed. I believe it is B.

187. ## Math

Hooke's Law states that the distance a spring will stretch beyond its natural length varies directly with the force applied to the spring. A force of 12 pounds is needed to stretch a certain spring 9 inches beyond its natural length. Find a formula that

188. ## Science

Two objects with charges of +1.0 c and -1.0 c are separated by 1.0km. Find the magnitude of the force that either charge exerts on the other.

189. ## Chemistry 101

A chemist needs 2.00 grams of a liquid compound with a density of 0.785 g/cm^3 density. what volume of compund is required? Mass= Volume X Density 2.00g x 0.785 g/Cm^3 = 1.57g/cm^3 Not sure is this is correct......

190. ## Math : fraction

During a triathlon, Susan swims 1/4 of the total route and cycles 3/5 of the renaming route. She runs the rest of the route. If she runs 3,600 meters, find the total distance of the triathlon route?

191. ## Chemistry 101

if an organic liquid has a density of 1.11 g/mL and has a measured volume of 500. mL, what mass of liquid is present?

192. ## Art

1.An art historian notices that two neighboring cultures use a similar style when sculpting horses. This is likely an example of A. Shares interests in the equine form B. Baroque style C. Cultural exchange D. Orientalizing Style 2.An artist loved to work

193. ## Math

How many lines through the origin make equal angles with the coordinate axes?

194. ## calculus 2

Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line. y = 3x^4, y = 3x, x ≥ 0; about the x-axis

195. ## calculus 2

Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line. y = 3 sin x, y = 3 cos x, 0 ≤ x ≤ π/4; about y = −1

196. ## calculus 2

Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line. y = x, y = 0, x = 2, x = 6; about x = 1

197. ## Math

which of the following can represent the measure of the three angle in an acute triangle? A. 59, 61,62 B. 30, 25, 125 C. 56,72,52** D. 90, 45, 45 Check my answer

198. ## math

Are is their a good website that has good video with precal lessons im havong difficulty with a bad teacher

199. ## Physics

A rectangular barge 6 m long and 3 m wide float in fresh water. Water density is 1000 kg/m^3 horse? Answer in units of m. If the barge can only be pushed 5.34722 cm deeper into the water before water overflows to sink it, how many 350 kg horses can it

200. ## Math

In the figure, -> BD is the angle bisector of

201. ## Physics

A dense plastic toy of mass 1.8 kg is floating just beneath the surface of a pond. What is the buoyant force on it? Answer in units of N.

202. ## Algebra

Hi I need help with this problem full solution only please: Two angles of a triangle have the same measure and the third one is 9 degrees greater than the measure of each of the other two. Find the measure of the LARGEST angle in the triangle.

203. ## math...finding cubic feet

What is the cubic feet of a cylinder that's 12 3/4 inches wide and 16 inches tall?

204. ## Physics

A piece of metal weighs 51.8 N in air, 37.2 N in water, and 42.6 N in an unknown liquid. Find the density of the metal. Answer in units of kg/m^3 Find the density of the unknown liquid. Answer in units of kg/m^3

205. ## math

The cubic feet of a cylinder that's 12 3/4 inches wide and 16 inches wide?

206. ## Limits calc 1

X^2 +6x+9/x^4-81 I put the answer as 1/36 it's not the answer?? It told me to use the identity x^4-a^4=(x+a)(x-a)(x^2+a^2) I used it, u still get the same answer....

207. ## Chemistry

how do you make 400 ml pf 2 Osm solution of Mg CL2?

208. ## math

One year, Super Bowl commercial time sold for \$4 million for 30 seconds of air time. a) What was the price per second? Round to the nearest cent. b) How much air time could you get that year for three million dollars? Assume that air time could be

209. ## Math

The track team ran a mile and a quarter during its practice. How many kilometers did the team run?

210. ## physics

A force of 55 N at an angle of 32 degrees to the horizontal is applied to drag a 15kg box across a horizontal floor at a velocity of 2.5 m/s. The coefficient of friction between the box and the floor is 0.25 and the box is moved 15m across the floor. How

asked by Jan Dupre
211. ## Math

5/6 (2g+1)-g Simplify the expression

212. ## calculus

Drug concentration is defined by; c(t)= 0.2t÷t^2+1 mg/cm^3...when is the concentration increasing/ decreasing (between 0 and 4hours)?

213. ## Algebra

I just need help setting up the equation - the rest I can do on my own: A man built a walk of uniform width around a rectangular pool. If the area of the walk is 253 square feet and the dimensions of the pool are 9 feet by 3 feet, how wide is the walk?

214. ## Ã¡lgebra

What is the least perimeter of a rectangle with an area of 32 square feet?

215. ## math

The MAthematical model C=500x+80,000 represents the cost in dollars a company has in manufacturing x items during a month. How many items were produced if costs reached \$250,000? I'm so stumped I don't even know where to start.

216. ## Mathematics

How can you solve 9x^4-24^3+16x^2=0?

asked by Aster Calico

0

218. ## English

Construct an author cataogue card.

219. ## Science

What will be the pH and Normality when 33.6 liters of HCL having 1.18 s.g.and 36% concentration

220. ## analytical physics chemestry lab

You are provided with a 0.5M solution of NaCl. You require a working solution of 0.004M. Describe how you would prepare this working solution, including all steps and calculations. Hint: You want to use the least amount of reagents and consumables, serial

221. ## math

expail me how calculate hight=6 length=8 beneath=6 then how much volume in litre

222. ## science

what will be the pH and normality,when 33.6liters of HCl having 1.179 s.g. and 36%concentration is mixed with 736 liters of distilled water

223. ## math

a) 25a^2 - 16a^2 b^2 b) x^2 - (a+b)^2 c) 9(x-y)^2 - z^2 d) 16x^4 - 81y^4 e) 25a^2 - 16a^2 b^2

asked by Bongiwe Gamede
224. ## computer programing

Need help how to do this Build a Fortune Cookie program that uses either the Chinese Zodiac or astrological signs to generate a fortune, a prediction, or a horoscope based on the user’s input. More specifically, the user may need to input her year of

225. ## PHYSICS

A BLOCK OF WOOD REST ON AN INCLINE PLANE AND THE COEFFICIENT OF FRICTION BETWEEN THE BLOCK AND THE PLANE IS KNOWN TO BE 0.31 At What Angle Must The Plane Be Inclined To The Horizontal So That The Block Begins To Move Down The Plane

226. ## Math

Need help solving for x with work shown 2log6(4x)=0 Log2(x)+log2(x-3)=2

227. ## history .

How did northern and southern responses to the fugitive slave law affect their relationship? A.it deepened on fear and anger B.it deepened the commitment to compromise C.it encouraged northern commitment to end plantation life D.it encourage southern

228. ## RE:Biodiversity

Sorry I have a lot, final exams tommorow! Whats the relation between Photosynthesis and Cellular Respiration?

229. ## language arts

Label as Cause & Effect 1. (Effect) When dropped, cats land on their feet. (Cause) Cats are extremely agile creatures 2. (Cause) Few mammals can care for themselves at birth. (Effect) Most mammals are born immature 3. (Effect) The sun has a powerful

asked by NEED HELP -
230. ## Math

14 + y/8 = 10 What is the variable?

231. ## triggggg help

Is sec Θ ° > tan Θ ° for every angle? Please explain why or why not?

232. ## Math

The graph below shows the sales of a popular song each week it was in a Top 40 song chart. which statement most accurately describes the slope of the graph A. The sales increased by 1 hundred thousand every 2 weeks. B. The sales decreased by 1 hundred

233. ## physics

a billiard ball rolling across a table at 1.50m/s makes a head on collision with an identical ball. find the speed of each ball after the collision;when the ball is at rest;when the 2nd ball ]is moving towards the first at the speed of 1.0m/s; when the

234. ## Civics

What are some common laws I really don't get this can someone explain it to me?

235. ## biology

which occurs during the krebs cycle? 1) breaking down pyruviate 2) capturing light energy 3) creating glucose molecules 4) producing ethyl alcohol ?

236. ## Poetry

Why do you think that a concrete poem is the best way to communicate?

237. ## physics

The speed of a space shuttle is 3.2×10^6 cm/s. Convert this into miles per hour (mph) using only 12 inches/ft, 60 seconds/min, 60 minutes/hour, and 1 inch = 2.54 cm. Factor Analysis must be used. Express your result to three significant digits and in

238. ## Physics

You have a neutral balloon. What is its charge after 12000 electrons have been removed from it? The elemental charge is 1.6 × 10−19 C. Answer in units of µC.

239. ## English

1. They are no use. 2. They are of no use. 3. They are useless. ----------------- Which ones are correct? Are they all the same and grammatical?

240. ## math

102 is the product of rita's height and 6

241. ## Re:BIOLOGY

Whats the relation between Photosynthesis and Cellular Respiration? Is it, because they have complimentary proccesses?

242. ## Physics

A 6.80 x 10^4 kg space shuttle moving at 7.90 x 10^4 m/s reenters the earth's atmosphere 80.0 km above the earth's surface. What is the shuttle's total mechanical energy with respect to earth's surface? I know the answer is E= 2.173 x 10^12J But I don't

243. ## Functions 11

Find the value(s) of k so that each function has 2, 1, and 0 roots f(x)=kx^2-9x+6 f(x)=3x^2+kx+12 f(x)=9x^2+3x+k I know to use the discriminant but am not sure where to go from there

244. ## Math

11 + 2z= 14.78 Find the variable

245. ## accounting

julie volunteered to work on christmas day because her parents were out of the country on holidays.her regular wage is \$12.00 an hour. how much would she earn for working on christmas day?

246. ## Algebra

A rectangular room is 6 meters longer than it is wide, and its perimeter is 28 meters. Find the dimension of the room. The length is:_____meters and the width is___meters.

247. ## physics

When driving west toward the Rocky Mountains, you see a peak 2.6 ∘ above the horizon. Your GPS gives your current elevation as 1490 m , and according to the map, you're 25.0 km (horizontally) from the peak. Find the peak's elevation. I thought it would

248. ## les/math

a box whose volume is 80cubic cm has length,width and height in the ratio 1:2:5 if each of the length,width,height is increased by 2cm how many cubic centimeters will the volume be increased?/

249. ## physics

In a marathon race, Chad is out in front, running due north at a speed of 4.09 m/s. John is 94 m behind him, running due north at a speed of 4.28 m/s. How long does it take for John to pass Chad?

250. ## Coulomb's Law

Two objects with charges of +1.0 c and -1.0 c are separated by 1.0km. Find the magnitude of the force that either charge exerts on the other.

251. ## Pre-Calc

What is the standard form of the equation of the parabola that has a vertex at (4, 3) and passes through the point (-4, -2)? Is it f(x) = -5/64(x - 4)^2 + 3?

252. ## les/math

imelda glues together 72cubes with 2cm edges to form a solid rectangular brick.if the area of the base is 48sq. cm find the volume of the bricks in cubic centimeters

253. ## Math

Which ice cream is more expensive per litre? How do you know? 3L of ice cream for \$10 or 4L of ice cream for \$12?

254. ## Math

Tan30

asked by Sonu kumar
255. ## math

x:4 and 45:20 a.8 b.9 c.10

256. ## Math

Molly says that the answer to one of the probability questions is 4/3 Susie says she must be wrong that 4/3 is not a possible answer as probability

257. ## English

In "The Scarlet Ibis" which character trait of the narrator most leads to his regret at the death of his brother? a. generosity b. creativity c. cruelty d. pride***

258. ## math

The sum of two numbers is 30. Their product is 176. What are two numbers?

259. ## L.A

In ''Concrete Mixers,'' what seems to be the speaker's feeling about the concrete mixers?

260. ## Math

Harry and Justin have 180 stickers. If Harry has 25% more stickers than Justin, how many stickers does Justin have?

261. ## i really need this ASAP MATH HELP PLZZ

in your explanation value |-3| is different from the negative number -3

asked by the girl that has no friends
262. ## Math

Two even integers are represented by 2n and 2n+2. Explain how you can find the value of those integers if their sum is 14. Name the integers.

263. ## American Lit

Why is A strong economy should be a country's most important goal.? I'm writing a paper and need to know, please keep short and simple.

asked by Sakinah Bibi
264. ## English

Choose the term that describes the sentence shown. I was thinking about meeting Susan for dinner and then we could go shopping. a. compound*** b. simple c. complex d. compound-complex

265. ## Math

There are 5 red cubes and 10 green cubes in a bag. A cube is picked then put back in the bag and another is chosen. If I did this is done 180 times, how many green cubes would you expect to have picked?

266. ## Math - Percents

Harry and Justin have 180 stickers. If Harry has 25% more stickers than Justin, how many stickers does Justin have?

267. ## math

Michael's bicycle tire has a diameter of about 30m. How far does it cover when the wheel makes one complete revolution?

268. ## geometry

Francine cut a large circular cake into 12 equal .slices. what acute angle is formed by the sided of each slice

269. ## Riddle

How are these two people related to each other? If a man's mother's nephew is a woman's father's cousin, how closely related are the man and woman related? I think they would be related by marriage?

270. ## Physics

A 2700 kg car traveling to the north is slowed down uniformly from an initial velocity of 29.8 m/s by a 7540 N braking force acting opposite the car’s motion. a) What is the car’s velocity after 2.77 s? Answer in units of m/s.

271. ## Math

@ reiny. . . 9x^4-24x^3+16x^2. .i have done it bt i want you to do it 4 me to confirm

272. ## math

A fertilizer covers 3 4 square foot in 1 6 hour.

273. ## math

There are 5 red cubes and 10 green cubes in a bag. A cube is picked then put back in the bag and another is chosen. If I did this is done 180 times, how many green cubes would you expect to have picked?

274. ## Algebra

Ms. Sue could you please help me with this question:A rectangular room is 6 meters longer than it is wide, and its perimeter is 28 meters. Find the dimension of the room. The length is:_____meters and the width is___meters.

275. ## Physical Science

QUESTION---Which waves have wavelengths longer than those of visible light? MY ANSWER--Infrared light, microwaves and radio waves have wavelengths longer than visible light. Radio waves have the longest wavelength. Are there any others?

276. ## science

if the canoe accelerates from 0 to .8 m/s in .2 s, what is the acceleration

277. ## Algebra

Find three consecutive numbers whose sum is 930.

278. ## Data Management

Q1: Consider the word BASKETBALL a) how many of the arrangements begin with a k? (60 480) b) how many of the arrangements start with a B and end with a K? (10 080) For this question, I am not sure what they mean but it beginning with k or b... Q2: Joanne's

279. ## math

Suppose a boat has to make a round trip up and down a river. The trip up takes 1 hour and is with the current. The trip back takes 9 hours. Suppose the round trip is a total of 32 miles, and that the boat's speed and the speed of the current are constant.

280. ## Math

The chef has 300 pounds of strip sheep. The trim loss on the strip sheep is 40% and the cooking loss is 60% of the trimmed weight. How many pounds of trimmed cooked strip sheep will the chef have left to serve to his customers?

281. ## Physics

A bullet fired vertically upwards reaches a height of 500m. [g=9.8m/s2]. What is its initial velocity?

282. ## Chemistry

Assuming that the Bohr model is valid, what is the kinetic energy of a photoelectron liberated by a photon with a the given wavelength from a state with given Z and n? If the available energy is insufficient to break the tether, enter 0. λ=320 nanometers

283. ## Civics

An Interest Group is a?

284. ## English

The basket "that she is holding" is made from palm fronds. A. independent clause B. adjective clause*** C. adverb clause D. noun clause

285. ## English

Gripping the rail, "Lindsey stepped onto the ice". A. independent clause*** B. adjective clause C. adverb clause D. noun clause

286. ## PHYSICS

A BODY OF 50N Rest On A Smooth Plane Incline At 30 Degree To The Horizontal Which Force Applied Parallel To The Plane Will Keep The Body In Equilibrium