# Questions Asked onJanuary 28, 2015

1. ## Science

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 combining 2.0g of hydrogen with

2. ## Math.

1. Find the area of the given circle. Round to the nearest tenth. *theres a picture of a circle and the radius is 3.5* A. 22.0 cm *squared* B.38.5 cm *squared* C. 11.0 cm *squared* D. 42.8 cm *squared* 2.Find the circumference of the given circle. Round to

3. ## Science

Which kind of pollution is illustrated by a pipe gushing polluted water into a river? A. Point source B. Nonpoint source C. Carbon source. D. Resource source

4. ## math

A cube of wood measures 5 centimeters on a side and weighs 19 grams. What is the density of the cube of wood? Will the cube of wood float in water?

5. ## Math

Express the function in the form f o g. (Use non-identity functions for f and g.) G(x)= cube root of (x/(9+x)) {f(x),g(x)}=?

6. ## Physics

An airplane cruises at 880km/h relative to the air. It is flying from Denver, Colorado due west to Reno, Neveda, a distance of 1200km and will then return. There is a steady 90km/h wind blowing to the east. What is the difference in flight time between the

7. ## Math

Monica paid sales tax of \$1.50 when she bought a new bike helmet. If the sales tax was 5% how much did the store charge for the helmet before tax?

8. ## science

If a kestrel eats a mouse that eats grass, the kestrel is a

9. ## Math

Lela and pepe are playing a video game. The game scores are a ratio of 1:5. Lela completes a quest and earns 48 points. Their score ratio is now 5:9. What is pepe's score?

10. ## math

A jug of milk holds 4 quarts. How many liters of milf does the jug hold. Round to the nearest hundredth of a liter. 1L= 1.06 qt A) 0.27 L B) 3.77 L C) 4.24 L D)5.06 L not sure on this one Garrett is 64 in tall. How many centimeters tall is he? Round your

11. ## English

Which statement best describes Haiku poetry? H Haiku includes two or more stanzas of free verse. Haiku includes two or more couplets. Haiku includes both internal and end of the line rhymes. Haiku includes a triplet with a theme from nature. ***

12. ## English

What is a key characteristic of a refrain in poetry? imagery alliteration repetition rhyme***

13. ## chemistry

Calculate the pressures, P, in atmospheres at which the mean free path, l, of a hydrogen molecule will be 1.50 μm, 1.50 mm, and 1.50 m at 20.0 °C. The diameter of a H2 molecule is 270 pm. Which formula would I use?

14. ## Science

I would really appreciate it if someone checked my answers and told me if they were right. Thx. ~Ashley 1. Which of the following determines the strength of the force of gravity between two objects? Check all that apply. A: The speeds of the objects. *B:

15. ## science

an animal that basks on a warm rack during the morning hours but retreats to the sade of the rocks during the middle day is most likely a(n) A)ectotherm B) endotherm C)vertebrate D) chordate

16. ## Math

Express the function in the form f compose g. (Use non-identity functions for f and g.) u(t) = cot t/(9+cot t) {f(t), g(t)}=?

17. ## English

Please some one check to see if I got these right. Thank you:) 1.Which personal pronoun correctly completes the sentence? The pitcher for our team will be either __________ or Jake. him his he** 2.Which personal pronoun correctly completes the sentence?

18. ## Langarts "Yearnings"

"Yearnings" The slab of clay before me, lifeless and lacking ambition, refuses to be molded. "Shape your dreams!" The art teacher says. "Let your hands talk to your hearts!" Nothing- Just unshaped dreams, silent hands, and hardening clay on a

19. ## Science

How do lawmaker make good environmental decisions? A. By relying on the short-term benefits of an environmental issue. B. By weighing down the costs and benefits of an environmental issue C. By relying only on the economical impact of an environmental

20. ## Geometry midpoint formula

A circle on the Coordinate plane has a diameter with endpoints at (6,8) and (15,8). What are the coordinates of the center of the circle? What is the radius of the circle? Identify the coordinates of another point on the circle. Explain how you found your

21. ## physics

Assuming that the human body has a 1.2-cm-thick layer of skin tissue and a surface area of 1.5m2 , estimate the rate at which heat is conducted from inside the body to the surface if the skin temperature is 34 ∘C. (Assume a normal body temperature of 37

22. ## english

We live in a microbial world, and there are many opportunities for food to become contaminated as it is produced and prepared. Many food-borne microbes are present in healthy animals (usually in their intestines) raised for food. Meat and poultry carcasses

23. ## georgia state history

The map of Mississippian Indian settlement is most likely displaying which cultural phenomena prior to European contact?

24. ## algebra

The mean on a Advanced Algebra test was 78 with a standard deviation of 8. If the test scores are normal distributed, find the interval about the mean that contains 99.7% of the scores. Use the empirical rule.

25. ## physics

A typical multivitamin tablet can contain 2.00mg of vitamin B2 (riboflavin), and the RDA is 0.0030 g/day. How many such tablets should a person take each day to get the proper amount of this vitamin, assuming that he gets none from any other sources?

26. ## Social Studies

which of the following best reflects the combination of tradition and modernity in the region? A.a female doctor wearing an hijab B.a male banker driving a female relative C.two women praying together in their home D.a group of men praying together at a

27. ## chemistry

A solution of HClO is mixed and found to have a pH of 4.53. Find what the initial concentration of HClO was for this solution. Ka = 3.00 × 10−8 for HClO. Answer in units of mol/L please help this is due in 1 hour

28. ## Early childhood

Which statement best illustrates the nature of a Bildungsroman? A.The hero in this story never seem to understand his own faults B.In Caldwell novel her protagonist, Lucille, seek the approval of seriously slimy characters C.The hero in this story stands

29. ## maths

A survey o 85 students asked them about the subjects they liked to study 35 students liked maths,37liked history,26 liked physics,20 liked maths and history,14 liked maths and physics,2 liked all the subjects. a) how many of these students like maths and

30. ## Math

Fred, Burt, Conrad, Otto, and Hugh run a race. All the runners can be taken to have the same level of ability, so it may be assumed that all of the possible orderings of the five runners are equally likely. Express your answers to the questions to two

31. ## Math

A \$1,600.00 principle earns 7% interest, compounded semiannually twice per year. After 33 years, what is the balance in the account. My answer is \$112,992.00

32. ## Algebra 1

does the rule y=-3x^5 represent an exponential function

33. ## LA

Hi, Ms. Sue . Can you please look over this? Which sentence contains a predicate noun? A)The walk through the tunnel was eerie. B)I bought Mom a cookbook for her birthday. C)My dog is master of the household. D)The ground is very uneven. I choose C?

34. ## physics

The U.S. five-cent coin, the nickel, has a mass of 5.1 g, a volume of 0.719 cm3, and a total surface area of 8.54 cm2. Assuming that a nickel is an ideal radiator, how much radiant energy per second comes from the nickel, if it is at 24∘C?

35. ## Chemistry

A 76.00-pound flask of mercury costs \$132.00. The density of mercury is 13.534 g/cm3. a) Find the price of one cubic inch of mercury by calculating the following intermediate values.

36. ## chemistry

Find the initial concentration of the weak acid or base in an aqueous solution of pyridine (C5H5N) with a pH of 8.65. Kb = 1.80×10e-9 . Answer in units of mol/L

37. ## Earth Science

10.   Which statement best describes the formation of diamonds?  A. Diamonds form in kimberlites under very low pressure. B. Diamonds form in talc under very low pressure. C. Diamonds form in talc under very high pressure. D. Diamonds form in

38. ## Chemistry

How would you make 100 mL of a carbonic acid buffer at 0.2 M and pH = 9.8 using 0.5 M HCO3 and either 0.1 M NaOH or 0.1 M HCl and water?

39. ## chemistry

Find the initial concentration of the weak acid or base in an aqueous solution of pyridine (C5H5N) with a pH of 8.65. Kb = 1.80×10−9 . Answer in units of mol/L

40. ## personal finance

Which type of tax is calculated on a per-item basis?

41. ## math

Bronze is an alloy or mixture of the metals copper and tin. The properties of bronze depends on the percentage of copper in the mix. A chemist decides to study the properties of a given alloy of bronze as the proportion of copper is varied. She starts with

42. ## Trigonometry

(Triangle ABC is scalene) AC is a straight shore line and B is a boat out at sea. Angle A is 60 degrees and Angle C is 45 degrees. Find the shortest distance from the boat to the shore if A and C are 5km apart...I honestly have no idea where to start with

43. ## Chemistry

Draw the Lewis structure for each of these molecules. 1. PH3 2. H2S 3. HCl 4. CCl4 5. SiH4

44. ## mathematics

In a truck of red and green peppers the ratio of red peppers to green peppers is 3:4.if the truck contains 120 green peppers,how many red peppers are there?

45. ## Chemistry

Which of the following are excited in ultraviolet photoelectron spectroscopy? A. Valence electrons B. Core electrons C. X-rays

46. ## Early childhood

Which statement best illustrates the nature of a Bildungsroman? A.The hero in this story never seem to understand his own faults B.In Caldwell novel her protagonist, Lucille, seek the approval of seriously slimy characters C.The hero in this story stands

47. ## math

I have 23 hundreds, 47 tens, 5 ones, 8 tenths and 10 hundredths. What number am I. We got the numbers to the left of the decimal - 2775 but to the right is it .81 or .18 or .9 as 10 hundredths is the same as 1 tenth so add 8 tenths and 1 tenth together?

48. ## f

You have just purchased a new warehouse. To finance the purchase, you’ve arranged for a 35-year mortgage for 85 percent of the \$3,100,000 purchase price. The monthly payment on this loan will be \$17,200. What is the APR on this loan? What is the EAR on

49. ## Language Arts

In which sentence is the word utter used correctly? A. The seals utter past crabs and seaweed B. The seals will not utter minnow feed C. The playful seals utter cries of delight D. The stingray and the shark utter the seal I really need help :-(

50. ## Chemistry

How much of each of the following substances would you add to water to prepare 1.90 L of a 0.15 M solution? (a) H2SO4 from "concentrated" (18 M) sulfuric acid mL (b) HCl from "concentrated" (12 M) reagent mL (c) NiCl2 from the salt NiCl2·6 H2O g (d) HNO3

51. ## chemistry

a 1.00*10^1 mL sample of an unknown liquid has a mass of 7.99 g. Calculate the density of the liquid using the proper number significant figures

If you need to find the percent of a number, explain how you can predict whether the part will be less than, greater than, or equal to the number. HELP PLEASE

53. ## Earth Science

A heterogeneous mixture is a  A. mixture in which its components retain their identity. B. component added to sand that makes it inseparable. C. mixture that always contains water. D. mixture in which its components can't be separated.  A?

54. ## Math

Fred, Burt, Conrad, Otto, and Hugh run a race. All the runners can be taken to have the same level of ability, so it may be assumed that all of the possible orderings of the five runners are equally likely. Express your answers to the questions to two

55. ## PHYSICS

a copper cylinder is initially at 20.0 degree Celsius. At what temperature will its volume be 0.150% larger than it is at 20.0 degree Celsius?

56. ## World History

Alexander's plan to unite a great empire didn't last because a. the Persians reconquered their lost lands. b. his generals divided the kingdom after his death. c. his generals divided the kingdom after his death. d. the Romans rose to power and conquered

57. ## chemistry

Nuclear magnetic resonance spectroscopy can be used to study which type of atoms? A. 16O B. 1H C. 2He

58. ## algebra

a production crew is assembling a three-level platform inside a stadium for a performance. the platform has dimensions shown in the diagram and has a total volume of 1250 cubic feet. What is the volume, in terms of x, for each of the three levels of the

59. ## chemistry

How is a spectrum obtained in NMR spectroscopy? A. Low-frequency radio waves bombard the atom and cause nuclei in a low spin state to move to a higher spin state. B. High-frequency ultraviolet rays bombard the atom and cause nuclei in a high spin state to

60. ## Chemistry

Which of the following elements can be detected by XPS? A. Hydrogen and lithium B. Boron and helium C. Lithium and boron I think the answer is c.

62. ## Physics

an aircraft lands on a runway with length of 205 m at a speed of 295 km/h what is the minimum constant deceleration required for a safe landing

63. ## Math

Find the product 8 1/3 x 3/5 in simplest form Find the product 5 1/2 x 3 1/3 in simplest form Use distributive property to find the product 4 2/5 x 10

64. ## Math

The radius, r cm, of a circle at time t seconds is given by r = 2t 2 + 1. Express its area, A cm2 , in terms of t and find the rate of change of the area at the instant when t=2. (Leave your answer in terms of p )

65. ## chemistry 116

The thermite reaction demonstrated in class requires high temperatures to start the reaction. A simple open flame is not enough to start the reaction. Once the reaction is going, then it generates enough heat to keep the reaction going. According to the

66. ## chemistry

In a reaction, 41.8 g of chromium(III) oxide reacts with 14.8 g of aluminum to produce chromium and aluminum oxide. If 28.6 g of chromium is produced, what mass of aluminum oxide is produced? How do I go about solving this problem?

67. ## physics

The three charges in the figure are at the vertices of an isosceles triangle. Calculate the work that needs to be expanded, in Joules, to bring the charges together (as shown.) Take q=5.7 μC. The length of base is b=2.30 m. The lengths of sides are s=5.80

68. ## Earth Science

15.   Which statement best describes the composition of magma?      A. Magma is an element all its own.B. Magma contains the same elements as snow.C. Magma contains only three elements.D. Magma contains the same elements as Earth's crust.

69. ## physics

Assume a goose has a 2.2-cm-thick layer of feather down (on average) and a body surface area of 0.16m2 .What is the rate of heat loss (conduction only) if the goose, with a body temperature of 41 ∘C, is outside on a winter day when the air temperature is

70. ## Math Help!!

When the owner of a gas station sets the price of 1 gallon of unleaded gasoline at 2\$, he can seek approximately 20,000 gallons per day. When he sets the price of gas at 5\$ per gallon, he can sell approximately 14,000 gallons per day. Let G(x) denote the

71. ## Chemistry

How can the atomic orbital be described in the quantum mechanical wave model of the orbitals? A. A collection of balloons B. A circular ring C. A probability density

72. ## Chemistry

1. Write the balanced equation. Use ONLY this equation to reference how the reactions below will shift. Consider whether there is an addition, a removal, or no effect to the reaction. Co(H2O)6^2+ + 4Cl^- CoCl4^2- + 6H2O 2. Write the equilibrium expression

73. ## Earth Science to Ms.Sue

7.   What gives the gem amethyst its purplish color? A. Quartz B. Titanium C. Oxygen D. Iron The answer was not A, got this question wrong.

74. ## Algebra

Write a recursive formula for the following sequences: 1) 1,6,11,16... 2) 4, 12, 36, 108... 3) A ball is dropped from an initial height of 10 feet. The maximum heights the ball bounces are as shown (10 ft, 6 ft, 3.6 ft, 2.16 ft) a-write a recursive formula

75. ## Math

The volume, V cm3 , of a cone height h is (pi)(h^3)/ 12. If h increases at a constant rate of 0.2 cm/sec and the initial height is 2 cm, express V in terms of t and find the rate of change of V at time t.

76. ## History

In what present day states did the Dutch establish new Netherland?

77. ## chemistry

calculate the volume of concentrated 4M HCl that is needed to create a 1 L solution of 0.1 M HCl.

78. ## Physics

A compact car, with mass 725kg, is moving at 115km/h toward the east.....find the magnitude and direction of it's momentum. Draw an arrow on your sketch showing the momentum

79. ## Algebra

32.0=5.5x10^2(1/T)+14.2 Solve for T I am confused about what the first step would be to solving for T. Would I divide 5.5x10^2(1/T) and move it to the left side? Please help.

80. ## Physics

A 7.1 kg watermelon is placed at one end of a 5.9 m, 244 N scaﬀolding supported by two cables. One supporting cable is at the opposite end of the scaﬀolding, and the other is 0.54 m from the watermelon. How much tension is in the cable at the end of

81. ## Finance

Assume personal income was \$28 million last year. Personal outlays were \$20 million and personal current taxes were \$5 million. a. What was the amount of disposable personal income last year? Disposable personal income (DPI) = personal income – personal

82. ## Pre-Calc

Find all solutions of the equation in the interval [0, 2pi). Show all work. sin(x+(pi/6))-sin(x-((pi/6))=1/2

83. ## Algebra

The ratio of the corresponding side lengths of two rectangular tables is 4:5. What is the ratio of the perimeters? What is the ratio of the areas?

84. ## physics

What is the mass of 5.00L of pure water?

85. ## math

Mr. Smith’s first period class had an average of 90% on the first test, and his 4th period class had an average of 82%. If there were 30 people in his first class, and 22 in his second, what is the average score of someone in his class?

86. ## Math

You are buying a fence to enclose a garden that has an area of 360 square feet. x + 9 The bottom of garden x side of garden a) What is the width of the area to be enclosed? Answer in units of ft b) How much fencing do you need? Answer in units of ft

88. ## Physics

Well, I just found out that I failed my physics midterm. I got a 51. Yes I studied but I still don't get the forces and inclined planes. And my parents are going to kill me if they find out. The midterm brought down my grade to a 79!! Any advice? P.S I

89. ## Math

A variable star is one whose brightness alternately increases and decreases. For one such star, the time between periods of maximum brightness is 5.6 days, the average brightness (or magnitude) of the star is 5.5, and its brightness varies by ±0.30

90. ## science

most bacteria are A) unicellular eukaryotes B) unicellular prokaryotes C) multicellular eukaryotes D) multicellular prokaryotes

91. ## math

Jessica sold 210 magazine subscriptions during a fundraiser at her school. The subscriptions either cost \$23 per year or \$45 for two years. Her sales totaled \$6,150. How many one-year and how many two-year subscriptions did Jessica sell?

92. ## Calc 2

A 3-lb bucket containing 20- lb of water is hanging at the endof a 20-ft rope that weights 4 -oz / ft. The other end of the ropeis aattached to a puley. How mauch work is required to wind thelenght of the rope onto the pulley, assuming that the rope

93. ## Math

Find the exact value: cos(pi/16)cos(3pi/16)-sin(pi/16)sin(3pi/16)

94. ## 10th algebra

x2+22x +c find the value of c that makes the trinomial a perfect square

95. ## Finance

The Health Corp issued an 12%, 15 yr bond 5 yrs ago. At the time of issue the bond's par value was \$1,000. Comparable bonds are yielding 10% today. What must Health Corp's bond sell for in today's market to yield 20% (YTM) to the buyer? Assume bond pays

96. ## Earth Science

What element has 81 protons in the nuclei of its atoms?  A. Thallium B. Uranium C. Platinum D. Lead A?

97. ## algebra

Suppose your parents deposited \$1,500 in an account saying 3.5% interest compounded annually (once a year) when you were born. I have to find the account balance after 18 years , please help

98. ## Chemistry

32.0=5.5x10^2(1/T)+14.2 Solve for T I am confused about what the first step would be to solving for T. Would I divide 5.5x10^2(1/T) and move it to the left side? Please help.

99. ## History

Explain John C. Calhoun's Doctrine of Nullification. Answer: The Doctrine of Nullification states that a state had a right to reject, ignore, or nullify a law they considered unconstitutional. Calhoun supported state's rights

100. ## physics

If 0.060kg of ice at 0 ∘C is added to 0.320kg of water at 25∘C in a 0.150-kg aluminum calorimeter cup, what is the final temperature of the water?

101. ## Physics

An archer's bow applies a force to an arrow over a distance of 19cm, while firing it vertically upwards. If the arrow achieves a speed of 8.0m/s and the efficiency of the bow is 75%, determine the average force applied to the arrow by the bow. So far I

102. ## project management

Given then that we each have our own risk tendencies (some people love taking risks, while others avoid it like the plague), how can we determine a risk profile for our project, since each of our organizations has its own tendency to deal with risk?

103. ## Math

Jose said all of the multiples of 8 are also multiples of 2? Manila said that all the multiples of 8 are also of 4. Who is correct?

104. ## Math

Sam painted a wall in his. On Monday, he painted half of the wall. He painted 2/3 of the other half on Tuesday, and finished painting the wall o Wednesday. How much of the wall did Sam paint on Wednesday?

105. ## biology

a category within biology that deals with the physical and chemical functions

106. ## Math

A hardware store will deliver up to 6 items for a \$25 delivery charge. There is a charge of \$4 for each additional item to be delivered. Write a piecewise function for the cost of having x items delivered. I understand the answer is 25 for x 6. But how do

107. ## Math

A=2600e^0.08^t % increase each year

108. ## chemistry

Find the percentage composition of (NH4)3PO4 What i don't understand is if the mass of the element isnt given how would i calculate?

109. ## Physics

In the annual battle of the dorms, students gather on the roofs of Jackson and Walton dorms to launch water balloons at each other with slingshots. The horizontal distance between the buildings is 36.0 m, and the heights of the Jackson and Walton buildings

110. ## math

The Downtown Theater group sold 650 tickets to its latest production. They sold only regular seats and box seats. Regular seats cost \$12 each and box seats cost \$18 each. Altogether, the theater collected \$8,550 in ticket sales. How many regular seats and

111. ## mathematics

Increase 20 in the ratio 3:2?

112. ## math

explain the error Janine tells her friend that ordered pairs have an x coordinate of 0 lie on the x axis. She uses the origin as an example. Describe Janine's error. Use a counterexample to explain why Janine statement is false.

113. ## chemistry

A weak acid (HA) is found to ionize 20.9% when mixed at a concentration of 0.22 mol/L. What is the value of Ka for this acid?

114. ## English

I am working on writing a paper. We have to use MLA format. I am a little confused on how to site my sources. I wrote the following paragragh: Panama Canal is an international waterway located across the Isthmus Panama. The Canal was built by the United

116. ## English

I need help finding real life examples of these themes? 1. Guilt can destroy a person, body, and soul. 2. True repentance must come from within. 3. Revenge destroys both the victim and seeker 4. One must have the courage to be true to one's self. 5.It is

117. ## chemistry

Calculate the mass of CaCO3 in a 100ml solution that contains 70% of CaCO3 and the density is 1.02g/ml at room temperature

118. ## Math

Hello! Can you check my answers for these 4 worksheet questions? Thank you in advance (: 1. The following ordered pairs give the scores on two consecutive 15-point quizzes for a class of 18 students. (7, 13), (9, 7), (14, 14), (15, 15), (10, 15), (9, 7),

119. ## math

how many pounds are in one kilogram round to nearest tenth

120. ## physics

A swimmer can swim 3 mph in still water. She decides to swim perpendicular to the river current which is 3 mph. If the river is 19.89 miles wide, it will take the swimmer ___ hours to cross the river.

121. ## math

Adrian jogs 3/4 mile each morning. How many days will it take him to jog 3 miles?

122. ## History

How did nation's sections differences in economies lead to sectionalism? Answer : Each seciton has different economics because each place has different climates so they'll benefit on different things. South relies on slaves. Northeast relies on

123. ## Physics

A spring with an unstrained length of 0.075 m and a spring constant of 2.7 N/m hangs vertically downward from the ceiling. A uniform electric field directed vertically upward fills the region containing the spring. A sphere with a mass of 4.84 10-3 kg and

124. ## math

After Khalil gave Benjamin 3/5 of the rocks in his collection, Benjamin had 70 rocks. If Benjamin had 25 rocks in the beginning, how many rocks did Khalil have in the beginning?

125. ## Math

A bamboo plant grew 3 feet and 6 inches in 3 days. If the plant grew the same amount each day. how many inches did plant grow each? 12 x3=36 36+6=42 42*3=126 126 inches

126. ## Chemistry

Since chlorine has similar electronegativity as nitrogen, why can't chlorine form hydrogen bonds?

127. ## math

The scale on a map i 1cm to 4km What does 4cm on the map represent ?

128. ## math

B . . . . . . . . . . . . . . C A Triangle ABC is right angled at A. The area of triangle is = ½bh. The area of the triangle is 3/2x^2 + 10x + 16cm^2 where x is a positive integer. The area of the triangle ABC can be written in the form 1/2 (x+a)(bx + c)

129. ## science and technology engineering mathematics

Do you have sites that can help me understand science and technology engineering mathematics?

asked by science and technology engineering mathematics
130. ## chemistry

sodium cyanide nacn, contains how many single, double or triple bond?

131. ## physics

A swimmer can swim 1.7 mph in still water. She decides to swim upsteam against the current which is 0.7 mph. It will take the swimmer ___ hours to travel 8 miles as measured by a person standing on the river bank.

132. ## geometry

The diagonal of a square checkerboard is 2 inches long. Find the length of one side of the checkerboard

133. ## Physics

What mass of water requires 1.89X10^8 joules of energy to heat from 15 degrees Celsius to 75 degree celsius? The specific heat of water is 4190 J/kg degree celsius

134. ## physics

A particle is traveling in a straight line at a constant speed of 29.9 m/s. Suddenly, a constant force of 14.5 N acts on it, bringing it to a stop in a distance of 58.2 m. (a) What is the direction of the force? (b) Determine the time it takes for the

135. ## math

Prove the identity (sinx+cosx)^2 = 1+sin2x Thank you

136. ## History

How did Squanto help the colonists in New England

137. ## Math

Water is poured steadily into an empty container. If the volume of water in the container after 5 seconds is 30 cm3 , find a) The rate of change of volume b) The volume of water after 12 seconds

138. ## Math

The radius r (cm) of a circle at time t seconds is given by r = 9t - t^3 . At each of the following instants, find the rate of change of the radius (w.r.t.'t') and state whether the radius is increasing or decreasing at these instants. a) t =1 b) t =2 c) t

139. ## math

What is the cost of tiling a rectangular plot of land 500 m long and 200 m wide at the rate of rs 8 per hundred Sq m?

140. ## Hydrology

I have no idea how to calculate this, I just need some direction please (like an equation)? Consider a drainage basin 187 km2. How much water is produced (m3) if 2.5 inches of rain falls on the basin? How many people could be supported on the water

141. ## Math

In triangle ABC, the degree measure of angle A is 20 degree greater than the degree measure of angle B. Angle C is a right angle. What is the measure of angle B? Is it 70 degrees. 90-20=70

142. ## History

Which part of North America did LaSalle claim for France in1684

143. ## math

An open box is to be made from a flat square piece of material 20 inches in length and width by cutting equal squares of length x from the corners and folding up the sides. (a) Write the volume V of the box as a function of x. Leave it as a product of

144. ## History

What was American's mistaken view of the Native Americans, and how did that relate to American's acceptance of Jackson's relocation of Native American tribes to reservations west of the Mississippi River? Answer :Andrew Jackson believed they had a right to

145. ## physics

A net force of (2.5 N)i hat − (4.7 N)j hat acts on a 3.2 kg object. Find the acceleration a with arrow.

146. ## history

Identify at least two actions of the leader yongle that benefited or protected the people. Please help me or give me a website that will help me I am in a rush I only have until 7:00

147. ## physics

a spring balance is tied to a massless inextenxible string a small object of mass 60kg is attached to the hook of the spring balance. this system is now whirled about a vertical axis so that object performs ucm with centripetal

148. ## Math

A rectangle has sides of length x cm and 2x - 4cm and the length x cm at time t seconds is given by x = 2 + 3t, (t>=0) . Show that the area, A cm^2 , the rectangle, in terms of t is A =12t + 18t^2 . Hence find the rate of change of the area at the instant

149. ## Math

The radius, r cm , of a spherical balloon at a time t seconds is given by r = 3 + 2 / (1+t) What is the initial radius? Find the rate of change of r (w.r.t.t) when t=3

150. ## Chemistry

What is the formula of reactants for Dibromobis(Triphenylphosphine Oxide) Manganese(II)?

151. ## Math

What decimal represents the probability that the spinner will stop on an orange section?

152. ## anthropology

Gender Socialization As humans, we learn our culture as well as how to be who we are by way of Enculturation (study term). In your team’s view, how will the members of your created culture learn their culture; what is the process of enculturation

153. ## Math

What is 4+ 1000000.

154. ## math

1. How many milligrams (mg) are equal to 1000 micrograms (mcg)? 2. How many pounds (lb) are in one kilogram (kg)? 3. How many milliliters (mL) are in 1/2 of a household measuring cup? 4. Which of the following is an example of a correct conversion factor?

155. ## Biology

Given 3x10^6 cell/mL in 3mL. Perform dilution calculation so that you can have 1x10^5 cell/200ul. Please help me with this question. Much appreciate.

156. ## chem

The value for ΔH° for the reaction below is -72 kJ. How many kJ of heat are released when 1.0 mol of HBr is formed in this reaction? H2(g) + Br2(l) = 2HBr(g)

157. ## chemistry

Core electrons shield what from the pull of the nucleus? A. Valence electrons B. Neutrons C. Protons I think the answer is a

158. ## math, algebra

If Will gives Molly \$9 dollars he will have the same amount of money as her. If Molly give Will \$9, the ratio of money she has to the money will has will be 1:2. How much money does will have in the beginning? Can you give me an explanation of each step,

159. ## government

what exactly do we have to do U.S. Constitution, Article I, Section 7, clause 2: Every Bill which shall have passed the House of Representatives and the Senate Evidence of action in the document-

160. ## Math

The length, l mm of an elastic string at time t seconds is given by l=t^3 / 3 - 4t +10 Find the instants (that is, the value of t ) when a) The length is increasing at a rate of 5 mm/Sec b) The length is decreasing at a rate of 4 mm/Sec

161. ## Math

The volume, V cm3 , of a cube at time t seconds is given by V=(4 + 1/3t)^3 find the rate at which its volume is increasing at the instant when t = 2.

162. ## Math

The area, A cm3 , of a circle increases at a constant rate of 2 cm2 ´ s -1 . If the initial area of A is 1 cm2 , show that the radius of the circle at time t is given by r=sqrt( 2t+1/ pi) sqrt on both denominator and numerator

163. ## math-algebra

How do you find the GCF (greatest common factor) of -m^8n^4 and 3m^6n?

164. ## English

An agreement could be when you go to a furniture store like Ashley’s, and they have many sales going on, for example no interest until March 2017 but, payments have to be made in time, and furniture has to be paid before March 2017. If a person finds

165. ## help math algebra

How do you find the GCF (greatest common factor) of -m^8n^4 and 3m^6n?

166. ## Question to Ms.Sue

Why are all of my questions deleted,someone else could have helped me with them??????

167. ## Math

Find f o g o h f(x)= sqrt(x-5), g(x)=x^2, h(x)=x^3+6

168. ## math

A circle has an area of 154cm2 what is the diameter of the circle

169. ## Biology

I'm trying to find out how regular cells are similar to cancer cells? I have read the chapter 2 times already and the only thing I can come up with is they both divide to make new cells.

170. ## chemistry

Which of the following pairs of compounds has the same molecular shapes? a) AlCl3 and BF3 b) AlCl3 and PCl3 c) BF3 and NF3 d) CO2 and SO2

171. ## Algebra 1

Is the following written in scientific notation? 4.8 X 100^7 My answer is no

172. ## physics

A 4.3kg object moves across a floor with a velocity of + 8.2 m/s and slides to rest in 5.8 s. The net force producing this acceleration is:

173. ## grammar

Hello, and good afternoon. My question deals with subject verb agreements. I understand time periods and amounts are singular verbs. Here are my samples: 'Three weeks is a lot of time to do a project,' and 'One half of the children like cupcakes.' I know

174. ## math

AB = 8 cm, AC = 6 cm, AD = 7 cm, CD = 2.82 and CAB =50°. Find the length BC, angle ABC, angle CAD , area of triangle ACD.

175. ## statistics

my question is: So if the chance is 1 in 17,259,390 of winning, what is the expected value of the win? How would I do this problem. Hope you can help. Thank you

176. ## History

What were the differences between primary and secondary resources in 1684?

177. ## Partly science, partly curiosity

Does iodized salt mold?

178. ## mathematics

Decrease 32 in the ratio 3:4?

179. ## Calculus

Find ¡Ò[dx/(x-2)(x+3)(x-4)] this is really confusing and I need help with it.

180. ## Math. Just checking

Just making sure because im doing h.w over scientific notations and I know how to do them.. I'm just checking if I'm right.. in scientific notations the number has to be between 1 and 10 right?

181. ## History

How did Jackson's war on the Second Bank of the US end up causing economic depression? Answer : He claimed the National Bank was unconstitutional even though the Court ruled it as constitutional. He took federal funds out of the bank and ordered all

Is this antithesis or just parallelism? " more preschool- age children (about 80 a year) are killed by guns each year than police officers are killed by guns (about 50)"

183. ## Genetics

Why are emerging f2 progeny frome crosses one, two, and three should be counted and phenotyped over a period of seven days? I have... for the first say of emergence, cultures produce more females than males. On successive days, the proportion of males

184. ## Math 20-1

The length of a rectangle is 5 cm more than its width. What are the possible dimensions of the rectangle if the area must be at least 84 cm^2? (2 marks)

185. ## History

Life of Andrew jackson

186. ## Math

In the equation c=9h, identify which variable is the independent variable and which is the dependent variable.

187. ## English

What device is this? "... The Armatix smart gun would not trigger the law"?

188. ## math

A roll of ribbon contains 92 inches of ribbon. If you need strips of ribbon 4/5 inches long, how many strips could you cut from this roll?

189. ## South University

Find the equation of the line, with the given properties, in slope-intercept form. Slope=−4, through (−7,7) The equation of the line is .

190. ## Math

Find the equation of the line, with the given properties, in slope-intercept form. Slope=−4, through (−7,7) The equation of the line is .

191. ## Math, trignometry,Algebra

The curve y=sin(x)+pi/2 will experience which transformation from the function y=sin(x) 1)A shift pi/2units right 2)none of the above 3)A shift pi/2 united down 4)A shift pi/2 units up 5)A shift pi/2 units left

192. ## American Government

The GOP broke new ground with the selection of which of the following as the chair of the republican national committee?

193. ## math

For every cup of seltzer you use, how much orange juice do you use?

194. ## physics

What would be the charge on five alpha particles?(An alpha particle is helium nucleus) I started with 2 from the helium multiply by 5 and got 10. I don't know what to do next. Please help???

195. ## math

9 feet equal how many inches

196. ## math

limit of x approaches -3. (2x^2 + 4x + 1)

197. ## chemistry

which of the following have a covalent bond? AlCl3, NH3, H3O, H2O

198. ## Calculus

1) An equation of the line contains points (7/9, 7) and (-7/9) is 2) Find the slope of the line tangent to the curve y=x^2 at the point (-0.6, 0.36) and find the corresponding equation of the tangent line

199. ## physics

A projectile is fired at 33.1° above the horizontal. Any effects due to air resistance are negligible. At the highest point in its trajectory, its speed is 15.5 m/s. Calculate the horizontal component of the initial velocity.

200. ## pre-algebra

3x + 4=19 x=5 -32=24-2f f=16 Please check.Thank you.

201. ## Calculus

Evaluate lim x->0 (Sin^3 3x - 3x^3/x^3 x^4) I got zero (0) to be my answer by imputing 0 in place of x but am not so sure if the answer should be 0, am thinking it should be like 1/0 or something like that.

202. ## math

If Will gives Molly \$9, he will have the same amount of money as her. If Molly gives Will \$9, the ratio of the money she has to the money Will has will be 1 : 2. How much money does Will have in the beginning?

203. ## algebra

If Will gives Molly \$9, he will have the same amount of money as her. If Molly gives Will \$9, the ratio of the money she has to the money Will has will be 1 : 2. How much money does Will have in the beginning?

204. ## Math

Five sixth plus one third

205. ## Managemnet

How to prepare an EFAS table for United Technologies.

206. ## math

-32 is < or = to 24 - 2f 5+c/9 is > or = to -31

207. ## mixed number

how to convert 65/63 into a mixed number

208. ## pre-algebra

3m-4=14 m=6 11=2y-15 y=13 Please check Thank you.

209. ## Math

The product of 0.15 an an unknown factor is 1.38. What is the unknown factor?

210. ## Math 20-1

What is the solution for 2x^2-7x > always greater than -3 ? (2 marks) (Show your work)

211. ## Math

The amount of water,V cm3 , in a leaking tank at time t seconds is given by V = (15-t)^3 for 0

27=-2y+15

213. ## maths

Find the value of 5v - 7 given that -7 - 1= 6

214. ## math

You are paid \$40 an hour to wash windows. If you have worked for 4 4/5 hour, how much money have you earned?

X-Y=5 X-Y=11

216. ## Math

What is -a^-2 if a equals -5

217. ## Physics

As mentioned, after the hovering period at 100 m , the vehicle made a vertical powered descent to h = 30 m, ending with a downward (!) velocity of 2 m/s at this altitude. Assume that the engine provided a constant (!) thrust-to-weight ratio during this

218. ## Algebra

let f(x)=-2x+4 and g(x)=-6x-7 find f(x)-g(x) Can someone walk me through this problem? I still haven't gotten the hang of it.

219. ## MATH

Two Trains are leaving Kansas City at noon. One is traveling northeast at 38MPH. The other is heading west at 46KPH. At what time in Los Angeles will the trains be 214 miles apart?

220. ## childcare

A very young child takes his socks off. The caregiver puts it back on. This process is repeated over and over. The child is engaging in __________ play.

11>2y-15

222. ## chemistry

Give the shapes of CH3, O3, SnCl3, BrF3, I3

223. ## mathematics

'ls for a distance of to a point B on a bearing of 1a boat leaves a dock at point A and trave35 degrees. the boat then changes course and travels for a distance of 8km to a point C on a bearing 060 degrees.'.

224. ## Algebra I

Operations with Integers 6/25 [- 5/9] 6 * 5 ______ 5*5*9 Now I cancel the five on top and one of the five on the bottom. = 6/45 I don't know if I did the operation correct? Thank You for your help.

225. ## math

Franklin Furniture Company sells chairs for \$110 each and tables for \$322 each. Last month the company sold 65 items for a total of \$12,450. How many chairs and how many tables did they sell?

226. ## English

1. I wish I were good at ja dance. 2. I wish I were good at ja dances. ------------- Which on is grammatical?

227. ## History

How did Andrew Jackson's humble origins endear him to the average American