# Questions Asked onMarch 27, 2013

1. ## fgcu

More than a decade ago, high levels of lead in the blood put 88% of children at risk. A concerted effort was made to remove lead from the environment. Now, suppose only 12% of children in the United States are at risk of high blood-lead levels. (a) In a

2. ## physics

We are given an input current Iin=100μA and a linear resistive load represented by the resistor RL . Our resistive load is not regulated for the high current provided by our current source, so we add a resistor RS in parallel to divide the current such

3. ## chemistry

write the ionic equation and the balanced net-ionic equation for the following equations: Al2O3(s) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2O(l) And H2SO3(aq) + 2 KOH(aq) = K2SO3(aq) + 2 H2O and 2 HC2H3O2(aq) + Ca(OH)2(aq) = Ca(C2H3O2)2(aq) + 2 H2O and the final

4. ## Physics

Kelly is driving a car with a mass of 800 kilograms in a south direction with a speed of 18 meters/second. Dominic is driving a truck with a mass of 1500 kilograms with a velocity of 15 meters/second to the east. They undergo perfectly inelastic collision.

5. ## Centroids and Triangles - determining perimeter?

Let G denote the centroid of triangle ABC. If triangle ABG is equilateral with side length 2, then determine the perimeter of triangle ABC. I drew the diagram, but it doesn't really help....

6. ## Microbiology

You need to make 20ml of a 20% glucose solution. The M.W. of glucose is 180.16. How would you accomplish this: Glucose _______g Pure Water _______ml

7. ## I would like to understand my calc homework:/

Consider the differential equation given by dy/dx=(xy)/(2) A) sketch a slope field (I already did this) B) let f be the function that satisfies the given fifferential equation for the tangent line to the curve y=f(x) through the point (1,1). Then use your

8. ## Chemistry

1. Which metal is the most easily oxidized? A.) highly active metal *B.) moderately active metal C.) slightly active metal D.) an inactive metal 2. What happens in a voltaic cell? *A.) Chemical energy is changed to a electrical energy. B.) Electrical

9. ## Form a polynomial f(x)

Form a polynomial f(x) with real coefficients having the given degree and zeros. Degree 5; Zeros: -3; -i; -6+i F(x)=a ( )

10. ## Algebra

Find the smallest positive integer N \neq 23 such that the fraction \frac {N-23} { 7N+6 } is not in simplest terms.

11. ## Chem

Calculate the work (in kJ) when 1.80 moles of methane react with excess oxygen at 389 K: CH4(g) + 2O2(g) → CO2(g) + 2H2O(l) I got 11661.26 Calculate the change in entropy (in J/K) when 70.1 g of nitrogen gas is heated at a constant pressure of 1.50 atm

Lara starts at the bottom of a long staircase. She climbs exactly 2/3 of the stairs. Then, she goes back down exactly 1/2 of the way to the bottom. From that spot, she climbs exactly 2/3 of the way to the top. Finally from there, she climbs 6 stairs to

13. ## Microbiology

You need 3.5L of 50mM NaCl from your 20X stock. How would you accomplish this: 20X stock __________ml Pure Water ___________ml From whatever number I plugged in trying to solve it, I got: 175ml of 20X stock and 3,430ml of Pure Water. Have no idea if those

14. ## Chemistry

You prepare a solution from 10.0 mL of 0.100 M MOPS buffer (3-morpholinopropane-1-sulfonic acid) and 10.0 mL of 0.071 M NaOH. Next, you add 1.00 mL of 1.89 × 10-5 M lidocaine to this mixture Denoting lidocaine as L, calculate the fraction of lidocaine

15. ## Englisj

1. Which of the following is NOT an example of persuasive writing? a position paper from an elected official a college admissions essay a movie review *a summary of a textbook reading assessment 2. Identify the following as a fact or an opinion: “Video

16. ## physics

While a roofer is working on a roof that slants at 45.0 degrees above the horizontal, he accidentally nudges his 94.0 N toolbox, causing it to start sliding downward, starting from rest.

17. ## algebra

The perimeter of a basketball court is 114 meter and the lenght is 6 meter longer than twice the width. What are the lenght and Width. i need help please i am stuck

18. ## Chemistry

1. Which metal is the most easily oxidized? A.) highly active metal *B.) moderately active metal C.) slightly active metal D.) an inactive metal 2. What happens in a voltaic cell? *A.) Chemical energy is changed to a electrical energy. B.) Electrical

19. ## Social Studies Ms. Sue please

Sorry there are so many questions!!!! 1. The economic centers of the Northeast are the region's __________. (1 point) farms fisheries forests cities 2. Two major ports in the South are ______________________. (1 point) Atlanta and Dalton Raleigh and Austin

20. ## physics

An archer puts a 0.26 kg arrow to the bowstring. An average force of 184.5 N is exerted to draw the string back 1.26 m. The acceleration of gravity is 9.8 m/s 2 . Assuming no frictional loss, with what speed does the arrow leave the bow? Answer in units of

21. ## math

An open box is made from a rectangular piece of cardboard measuring 16 cm by 10cm. Four equal squares are to be cut from each corner and flaps folded up. Find the length of the side of the square which makes the volume of the box as large as possible. Find

22. ## physics

A boy is pushing his sled up a snowy slope. The sled has a mass of 20.4 kg and weighs 200 N. The boy pushes with a constant force of 75 N. The sled travels a distance of 10 m and gains 3 m in height. When the sled reaches the top, it is traveling 2 m/s.

23. ## Algebra

You put $1700 into an account at 8% per year compounded continuously. a) How long will it be until you have$2000? b) What is the doubling time for this money?

24. ## Cal

lim_(x->0^+)(tan(9x))^x

25. ## Ellipses

Given an ellipse; 4x^2+y^2-48x-4y+48=0, find the Center, find the Major Axis, find the Minor Axis & the Distance from C to Foci?

26. ## calculus

Calculate the equation of the tangent and normal lines for the curve f(x) = tan 2x, at the point where the x-coordinate is: x = π/8.

27. ## Math

a 55 kg skateboarder on a 3 kg board starts coasting on level ground at 8 m/sec. Let k=3.2 kg/sec. About how far will the skater coast before reaching a complete stop?

28. ## percent

sammy bought a pair of shoes with 30% off sale price was 58.45 what was the regular price

1. Which of these sources of energy is NOT renewable? (1 point) wind solar power hydroelectric power natural gas 2. Air can be polluted by ____. (1 point) tiny particles of soot carbon monoxide sulfuric acid all of the above 3. Which of the following can

30. ## Math

Mr. Green teaches band, choir, and math. This year, he has 57 students that take at least one of his classes. He teaches band to 25 students. There are 48 students who take either band or choir or both. There are 9 students who take both math and choir

31. ## Chemistry

What is the molecular equation for HCl(aq) + NH4OH(aq)?

32. ## 7th Grade Social Studies

1. Which statement best describes the government of Canada? (1 point) The monarch of Britain has total control over Canada. The Canadian parliament is ruled by the United States. Canada has complete power over its own government. The prime minister is the

33. ## Math

For questions 4–5, use the following two ways to display the test scores received on Mr. Alexander's math test. Use these displays to solve each problem. Stem | Leaf 6 | 8 9 7 | 0 3 5 8 9 8 | 1 2 2 5 7 8 8 9 9 | 0 2 3 Pie Chart: 80-89= 44.4% 90-99=16.6%

34. ## Physics (Electricity & Magnetism))

Two positive point charges are placed on the x-axis. One, of magnitude 4Q, is placed at the origin. The other, of magnitude Q is placed at x=3 m. Neither charge is able to move. Where on the x-axis in meters can I place a third positive point charge such

35. ## Bus Math

i need to earn 61000 over 5 years. at 6% interest semiannually what is my first deposit?

36. ## chemistry

Carbon dioxide dissolves in water to form carbonic acid, which is primarily dissolved CO2. Dissolved CO2 satisfies the equilibrium equation: CO2(g) CO2 (aq) K=0.032 The acid dissociation constants listed in most standard reference texts for carbonic acid

37. ## Calculus

Calculate the area of the common interior of r = 2sin(theta) and r = 2cos(theta)

38. ## math

Karina drew a shape with 2 pairs of parallel sides and no right angles. Which shape could Karina have drawn? A. square B. rhombus C. rectangle D. trapeziod

39. ## ms. sue plz help

2. Read the following excerpt from “All Together Now”: What can parents do? We can put our faith in young people as a positive force. I have yet to find a racist baby. Babies come into the world as blank as slates and, with their beautiful innocence,

40. ## math

Write an inequality that represents the statement: x is less than 4 and greater than 1

41. ## analyze the graph of the function

analyze the graph of the function R(x)=x^2-12/x-6 a) What is the domain of R(x)? b) What is the equation of the vertical asymptotes of R(x)? c) What is the equation of the horizontal or oblique asymptote of R(x)?

42. ## Chemistry

A cat is about 10.0% Carbon. My cat weighs about two kilograms. How many moles of Carbon are in my cat?

87. ## math

The function f(x)=2x+8/3x-7 is one to one. Find its inverse, and check your answer. f^-1(x)= I haven't one clue how to do this...help me pleaaaase someone!

88. ## social studies

Identify two problems resulting from urban sprawl in the western region of the United States. If these problems are not solved, what will the outcome likely be?

89. ## maths

When buying Brilliant T-shirts, Bradan determines that the total cost of buying N shirts is given by the function C(N)=0.04N2−36N+9000 If he wants to minimize the total cost of buying shirts, how many shirts should he buy?

90. ## statistics

Do these sample FICO scores appear to be consistent with the reported mean? 714 751 664 789 818 779 698 836 753 834 693 802

91. ## calculus

The volume of the 3-dimensional structure formed by rotating the circle x^2 +(y−5)^2 =1 around the x-axis can be expressed as V=að^2 . What is the value of a

92. ## calculus

The volume of the 3-dimensional structure formed by rotating the circle x^2 +(y−5)^2 =1 around the x-axis can be expressed as V=a*pi^2 . What is the value of a

93. ## Math

If f(x)-lnx,g(x)=e^8x, and h(x)=x^7, find the following: a. (f.g)(x). what is the domain of f.g? b.(g.f)(x). what is the domain of g.f? c. (f.h)(x). what is the domain of f.h? I have no clue how to do this. Somebody please help me?? please???

94. ## Physics

An 80 kg man is riding in an elevator from the first floor to the 34th floor. The elevator and man are moving at a constant speed. What is the net force on the man in Newtons (g=9.8)

95. ## English!

While a heroic epic focuses on the expolits of a single hero, an epic is a long poem that : A: focuses on the exploits of a heroine B: tells tales only about gods and goddesses C: explains how certain events and objects in nature came to be D: describe the

97. ## Alg I

12r^2 + ____ + 6 How do I solve this ax^2 + bx + c problem. Please explain in detail. I simply do not get it. Thanks.

98. ## physics

The curved artery can be approximated as a semicircular arch whose diameter is 4.9 cm. If blood flows through the aortic arch at a speed of 0.35 m/s, what is the magnitude (in m/s2) of the blood's centripetal acceleration?

99. ## pre calculus

for the given function f and g, find the specified value of the function. State the domain: f(x)=2x-5; g(x)=7x-9 a. (f-g)(x)= b.(f/g)(x)= I need help!

100. ## math

for the given functions f and g, find the specified value of the following functions and state their domains: f(x)=x-5; g(x)=2x^2 a.(f+g)(3)= b.(f/g)(3)= Can someone help me figure this out? pleeeease????

101. ## pre calculus

consider the functions f(x)=x^3-3 and g(x)=3 sqrt x+3: a. find f(g(x)) b. find g(f(x)) c. determine whether the functions f and g are inverses of each other. I really need help with these, I don't get it at all.

102. ## pre-calculus

partial fraction; use the rational roots theorem to factor denominator. x^3 + 2 ----------- x^4 +8x^2 +16 i got to that and im stuck Ax+B + Cx+D ---- ----- x^2 +4 x^2 + 4

103. ## pre calculus

find the average rate of change of f(x)=x^3-5x+3: a. from -6 to -3 b. from -1 to 2 c. from 2 to 8 I am so lost, can someone please show me how to do this?

104. ## statistics

Based on these reults, is a FICO score of 500 unusual? Why or why not?

105. ## math

A parallelogram has an area of 8x^2 - 2x -45. The height of the parallelogram is 4x + 9. I know the formula for a parallelogram is A=bh. Please work and explain how I get the length of the base of the parallelogram. Thanks

106. ## physics

A 0.405 soccer ball is initially moving at 2.05. A soccer player kicks the ball, exerting a constant 40.5 force in the same direction as the ball's motion.

107. ## Social Studies

PLEASE ANSWER! PLEASE ANSWER! PLEASE ANSWER! 1) Identify two problems resulting from urban sprawl in the western region of the United States. If these problems are not solved, what will the outcome likely be? 2) Why do you think the Canadian government is

108. ## math

A Triangle has sides 4,8,and 11. In a similar triangle the shortest side is 8 and the longest side is x. a) Write a proportion that models the situation. b) Solve the proportion for x.

109. ## HELP WITH MATH PLEASE!!!!!!!!!!

What does 1/2 x 2 x 6 = ?

110. ## economics

Keogh and Ira plans allow people to do sll the following except

111. ## Physics

The pressure increases by 1.0 x 104 N/m2 for every meter of depth beneath the surface of the ocean. At what depth does the volume of a Pyrex (bulk modulus 2.6 x 1010 N/m2) glass cube, 2.9 x 10-2 m on an edge at the ocean's surface, decrease by 9.5 x 10-10

112. ## Math

Convert 2x-y>2 to slope intercept form.

113. ## PHYSICS PLEASE SOMEONE HELP ME OUT

When an object is placed 55.0cm from a certain converging lens, it forms a real image. When the object is moved to 45.0cm from the lens, the image moves 6.00 cm farther from the lens. Find the focal length of this lens? Please someone help me out I tried

114. ## Algebra

A rectangle is 5 times longer then it is wide. If perimeter of the rectangle is 222m. What are its dimensions

115. ## HELP!!!!

Is there any good colleges in NEW YORK for COUNSELING PSYCHOLOGY????

116. ## Math

6a(3a-2) + 12b(3a-2) Is it correct if i multiplied 6a by 3a then 6a by -2 and so on?

117. ## healthcare management

How to develop a strategic plan for a skilled nursing facility

Has anyone ever read the book tiger rising?

119. ## Math

Factorize the following expressions: 1) 6a(3a-2)+12b(3a-2) I got : (3a-2)(6a+12b) But its not simplified, how do i simplify it

120. ## ap chemistry

WHERE CAN I TAKE AP CHEMISTRY ONLINE DIAGNOSTIC TEST?

121. ## Chemistry

balance Single replacement reactions and name of the products. 1. Zn+Cu3(PO4)2= 2. Na+F2O3= 3. Li+HNO3=

122. ## Algebra

Please solve as polynomial to third degree: the product of three consecutive odd numbers is 6,783. What are the numbers? The solution being 17, 19, and 21, what are those numbers when considering: x*(x+2)*(x+4)=6,783? Multiplied out: x^3+6*x^2+8*x-6,783=0

123. ## Algebra help

I need to solve the system by triangularizing the augmented matrix and using back substitution. If the system is linearly dependent, give the soloution in terms of a parameter. -3x+y-z=-4 6x-2y+2z=8 -12x+4y-4z=-16

124. ## Math

(a+4)(2x-3)+(a+4)(3x+1)

125. ## math

What percentage of the total students chose skateboarding? (1 point) 10% 20% 30% none of these if 2 bys and 1 girl chose skateboarding? What percentage of the boys chose walking? (1 point) 30% 45% 25% none of these

126. ## french

I need to complete activity 11 noms et prenoms with the verb appeler, it's French 3 in the la routine quotidienne packet?

127. ## GEOMETRY

The squares of a 3×3 grid of unit squares are coloured randomly and independently so that each square gets one of 5 colours. Three points are then chosen uniformly at random from inside the grid. The probability that these points all have the same colours

128. ## Math

(2x+1)(x-5)-(4x+2)(3x+7)+(1+2x)

129. ## ALGEBRA 2...

*Please explain on how to do each of these! 1. Let (x) be defined for all positive integer values of x as the product of all even factors of 4x. For example, (3)=12x6x4x2=576. What is the value of (5)? Someone says that it is f(5)= 20x10x2x4=1600 I DO NOT

130. ## Math

(x-5)^2 - 3(4-x)(5-x)

131. ## History

In what three ways does the Constitution divide power?

132. ## Calculus

Find constants a and b in the function f(x)=axe^(bx)such that f(1/7)=1 and the function has a local maximum at x=1/7. a = b =

133. ## math

the sum of five consecutive numbers is 28 more than the sum of the third and the fifth numbers.find the consecutive numbers

134. ## Physics

Attempting to stop on a slippery road, a car moving at 90 km/h skids across the road at a 30 angle to its initial motion, coming to a stop in 3.8s. Determine the average acceleration in m/s^2, using a coordinate system with the x-axis in the direction of

135. ## Agebra

(square root of x-10) - 3x = 1

136. ## Chemistry

A horizontal piston contains 34kg of water that is saturated at 36ºC. Heat is transferred to the water until 80% of the water vaporizes If the piston moves very slowly, calculate the work done by surroundings on the system during this process.

137. ## Physics

Airplanes are noisy things. For example, if you stand really close to a runway, a military jet can produce a sound intensity of about 100 W/m^2 at a distance of 30 m from the plane (this is beyond painful noise). You live near a military airport and want

138. ## Chemistry titrations

25.00mL of an unknown sulfuric acid solution is titrated to the second equivalence point with 21.02mL of 0.420M potassium hydroxide solution. What is the concentration of the sulfuric acid solution?

139. ## Physics

A 85-kg snow skier is being pulled up a 17 ° slope by a steel (Young's modulus 2.0 x 1011 N/m2) cable. The cable has a cross-section area of 7.4 x 10-5 m2. The cable applies a force to the skier, and, in doing so, the cable stretches by 2.6 x 10-4 m. A

140. ## Physics

Two parallel wires carry 1-A currents in unknown directions. The distance between the wires is 10-cm. What is the magnitude of the magnetic field B in Teslas at a point P located 6-cm away from the axis of one of the wires and 8-cm away from the axis of

141. ## Chemistry eq

How many milliliters of 0.430M hydrochloric acid (HCl(aq)) must be added to 15.00mL of 0.682M sodium hydroxide (NaOH(aq)) to reach the equivalence point?

142. ## Chemistry eq

How many milliliters of 0.430M hydrochloric acid (HCl(aq)) must be added to 15.00mL of 0.682M sodium hydroxide (NaOH(aq)) to reach the equivalence point?

185. ## math

The temperature in degrees Fahrenheit is equal to 32 more than 9/5 times the temperature in degrees Celsius. One day the high temp. was 95 degrees Fahrenheit. What was the high temp. in degrees celsius? I did 32+(9/5*35) 32+63=95 so my answer is 35 degrees

186. ## math

solve: 6 < x + 4 less than or equal to 11

187. ## Physics

Two astronauts, each having a mass of 61.9 kg, are connected by a 14.7 m rope of negligible mass. They are isolated in space, orbiting their center of mass at speeds of 5.57 m/s. Calculate the magnitude of the initial angular momentum of the system by

188. ## Form a polynomial

Form a polynomial f(x) with real coefficients having the given degree and zeros Degree 5; zeros: -8; -i; -8+i

189. ## chemistry

Calculate the solubility of Mn(OH)2 in grams per liter when buffered at each of the following. (a) pH 7.7 (b) pH 9.6 (c) pH 11.3

190. ## 5th grade math (word problems)

I'm not sure how to solve this problem. I know that i need to divide 36 cookies. But not sure how to figure out the number of groups. Am i using multiples of 4? Marie made 3 dozen cookies. She needs to dived them evenly into groups greater than 4. What are

191. ## Chemistry

How many mL of .715 M HCI is required to neutralize 1.25grams of sodium carbonate? (Producing carbonic acid)

192. ## cheeeeemmmiiisstttrrryyyy

i am going crazy trying to figure this out. i just completed an experiment with heats of fusion and vaporization but for some reason i cant answer and explain this question would 20.0g of steam at 100 degree celsius be enough to melt 20.0g of ice at 0

193. ## Chemistry

Determine the percent Composition of each element in phenyl sulfide: (C6H5)2S. Please show work in order to walk me through this.

194. ## Algebra

Five times the reciprocal of a number equals the sum of 3/2 the reciprocal of the number and 7/6. What is the number

195. ## algebra attn wayne

-5/x-3 - 3/x+3 = 2/x^2-9 You said to divide by 9 on both sides 9(x+3)-3(x+3)=2 9x+27-3+9=2 6x=36 6x=48 x=8 Is this correct? Thanks for your help.

196. ## Algebra

As x ranges over all real values, what is the minimum value of f(x)=|x-123|+|x-456| + |x-789| ?

197. ## physics

A child’s toy consists of plastic attached to a spring. The spring is compressed against the ﬂoor a distance of 2.55 cm, and the toy is released. The acceleration of gravity is 9.8 m/s 2 . If the toy has a mass of 116 g and rises to a maximum height of

198. ## science

32g of KCI OR KCIO3 IN 100ML OF WATER, AT WHAT TEMP WOULD IT BECOME SATURATED.. WHAT IF IT IS 37g? Thank you

199. ## university

prove 2 | n^2 + n + 1

200. ## Algebra

\begin{align} & (x-1)(x-2)(x-3) + (x-2)(x-3)(x-4) \\ + & (x-3)(x-4)(x-5) + (x-4)(x-5)(x-6) \\ + & (x-5)(x-6)(x-7) + (x-6)(x-7)(x-8) =0 ? \end{align}

201. ## Chemistry

How many milliliters of 0.291 M HCl would be required to titrate 6.83 g KOH?

202. ## Algebra

What is the product of all roots to the equation \begin{align} & (x-1)(x-2)(x-3) + (x-2)(x-3)(x-4) \\ + & (x-3)(x-4)(x-5) + (x-4)(x-5)(x-6) \\ + & (x-5)(x-6)(x-7) + (x-6)(x-7)(x-8) =0 ? \end{align}

203. ## science

On a clear night, Ram correctly identified some clouds among the stars as the Milky Way. What part of the Milky Way was MOST visible to Ram? a]asteroids b]dust c]planets d]stars I think it is ethier b or d. Please help. Appreciative. ;]

204. ## physics

A singly charged positive ion has a mass of 3.35 × 10−26 kg. After being accelerated through a potential diﬀerence of 128 V, the ion enters a magnetic ﬁeld of 0.784 T, in a direction perpendicular to the ﬁeld. Calculate the radius of the path of

205. ## Math

Mr. Brown bought 4 boxes of stickers to school. Each student that came to his class received 1/5 of the box. How may students will get a sticker before they run out?

206. ## Algebra

If a, b and c are non-zero reals such that a + b + c = 11 and \frac {1}{a} + \frac {1}{b} +\frac {1}{c} = 0, what is the value of a^2 + b^2 + c^2?

207. ## Math

The popcorn booth serves tubs that weigh 3/74 of a pound. Mrs. Taylor has a box that weights 6 ponds. How many tubs can she make from the box?

208. ## Trigonometry

If cos(a)=1/2 and sin(b)=2/3, find sin(a+b), if 1) Both angles are acute; Answer: (sqrt(15)+2)/6 ii) a is an acute angle and pi/2 < b < pi; Answer: (2-sqrt(15))/6 2. Find the exact value of the six trigonometric functions of 13pi/12. Partial answer:

209. ## Math

The face painting booth has 1/4 pint of paint. There are five students who want their faces painted. How much paint should we use for each child?

210. ## German

Decide if the following sentence is grammatically CORRECT or INCORRECT. Der Mann kann nicht ausgehen. a. correct b. incorrect

211. ## chemistry

write and balance Solid aluminum carbonate decomposes to form solid aluminum oxide and carbon dioxide and carbon dioxide gas

212. ## Trigonometry

Given \tan \theta = -\frac{4}{3}, where \frac{\pi}{2} < \theta < \pi, what is the value of \frac{1}{\sin \theta + \cos \theta}?

213. ## Math

What is the scale and interval on a bar graph and line graph

214. ## Trigonometry

Every point (x,y) on the curve y = \log_{2}{3x} is transferred to a new point by the following translation (x',y') =(x+m,y+n), where m and n are integers. The set of (x',y') form the curve y = \log_{2}{(12x-96)} . What is the value of m + n ?

215. ## english

"The song of Wandering Aengus" is a (n) ________poem. A: epic B: allegorical C: dramatic D: prose Answer : C ?

216. ## Trigonometry

ABC is a right triangle with AB = 2, BC = 3\sqrt{5}, AC = 7 and \angle ABC = 90^\circ. If \cos \angle BAC = \frac{a}{b}, where a and b are coprime positive integers, what is the value of a + b?

217. ## english

For the speaker in "Local Sensibilities,"pineapples represent: A: His favorite food. B: A Thanksgiveing ham. C: tourists D: work. Answer: B ?

218. ## Physics

Every once in a while a bird will get hit by a baseball during a baseball game. The longest home runs in baseball land about 500 feet (which is 152.4 meters) from home plate. If these balls leave the bat at a 45 degree angle to maximize their distance,

219. ## English!

The tone of "A smile" is ? A: Hopeful B: Cheerful. C: tense D: light Answer : D In "Boast Not , Proud English," the writer is protesting against: A: Prejudice B: Blasphemy C: Religion D: tolerance Answer: C ? In "Birches," Frost compares the broken ice

220. ## Calculus

The volume of the 3-dimensional structure formed by rotating the circle x^2 + (y-5)^2 = 1 around the x-axis can be expressed as V = a\pi^2. What is the value of a?

221. ## math

find the rule: X=8,9, 10,11,12 y=8,10,12,14,16

222. ## Calculus

Let N = \int \int \int_B xyz^2\ dV , where B is the cuboid bounded by the regions 0 \leq x \leq 1, -1 \leq y \leq 2 and 0 \leq z \leq 3. If N = \frac{a}{b}, where a and b are coprime positive integers. What is the value of a+b?

223. ## Physics

Airplanes are noisy things. For example, if you stand really close to a runway, a military jet can produce a sound intensity of about 100~W/m^2 at a distance of 30 m from the plane (this is beyond painful noise). You live near a military airport and want

224. ## Physics

Two parallel wires carry 1-A currents in unknown directions. The distance between the wires is 10-cm. What is the magnitude of the magnetic field B in Teslas at a point P located 6-cm away from the axis of one of the wires and 8-cm away from the axis of

225. ## Math

Not sure how far to take this problem down. The directions say to simplify using the distributive property. 4(x + 1) -2 divided by 2. Would it be 4x +4 -2 divided by 2 or 4x + 2 divided by 2 or 2x +1? Thanks..

226. ## math

When lashone won a contest she got a silver medal with a diameter of 6 centimeters. What is the medals area?

227. ## Math

Hiro went to the store after school to pick up groceries. His list said he needed to pick up one jug of milk, one loaf of bread, one dozen eggs and one package of cookies. Milk comes in 1%, 2% and 3.25% varieties. Bread comes in white and 100% whole wheat.

228. ## Math

need help on this review question. Determine each sum by writing an equivalent numberical expression using Commutative and Associate properties. 3 + 9 + 7 + 6 For commutative could you just put 3 + 7+ 9 + 6? I'm confused on what do do for associative since

229. ## English/writing

what is a catchy topic for my essay based on this thesis statement? In Nathaniel Hawthorne's, The Scarlet Letter, it suggests that one must find their own internal strength and strive for individual redemption by applying the beliefs of transcendentalism

230. ## Life orientation

Name two institutions/community organisatins that are involved in supporting or redress to the disaster air pollution and explain how these organisations are involved in providing a safe and healthy environment

231. ## German

Where is the non-modal second verb placed in a sentence? a. in the beginning b. second position c. at the end d. wherever you want to put it i feel like this is b but i'm not sure. :~(

232. ## Grammar (Ms. Sue)

Indentify the tense of the underlined verb in each sentence below. 1). Statistics IS a branch of mathematics. 2). It DEALS with the study of numerical data. 3). Many people HAVE STUDIED statistics for work or fun. 4). Batting averages and scoring averages

233. ## Algebra

The value of y that minimizes the sum of the two distances from (3,5) to (1,y) and from (1,y) to (4,9) can be written as \frac{a}{b} where a and b are coprime positive integers. Find a + b

234. ## Geometry

The value of y that minimizes the sum of the two distances from (3,5) to (1,y) and from (1,y) to (4,9) can be written as \frac{a}{b} where a and b are coprime positive integers. Find a + b

235. ## college algebra

Solve the equation. How do you solve a fraction? X^2/3=1/16 Thanks

236. ## math

On Friday, Lewis saw a certain number of hummingbirds, h. On Saturday, He saw 3 more than twice the number of hummingbirds he saw on Friday. Write an expression for the number of hummingbirds Lewis saw on Saturday.

237. ## Meaning

What does Diem Ex Dei mean

238. ## math

How do you do the math for the problem 14 - 7 × 2

239. ## Chemistry

Why can't NH_3_ donate a proton and act as a Bronsted-Lowry acid?

240. ## Math

AlgebrAic factorization 1)6(2a-3)(a+7)+18(2a-3)(3a+2) 2) (3x-4)(5x+1)-(5x+3)(4-3x) I know number 1 and 2 but just wanted to make sure if my answers I need help in this only: 3) (3x-1)^2 + 5(1-3x)+3x(1-3x)^2

241. ## Physics

a trunk is dragged across a level floor using a massless rope that makes an angle of 30 degrees with the horizontal. when the tension in the rope is 200 N and the kinetic friction coefficient = 0.5, the trunk moves at a constant speed. what is the mass of

242. ## math

whats 4x+28=4(x+3)+16

243. ## College algebra

Use the rationals theorem to find all the zeros of the polynomial function. Use the zeros to factor f over the real numbers, F(x)=7x^3-x^2+7x-1

244. ## math

A FARMER BUILT A PEN FOR HIS FAVORITE PIG. THE PEN SHOWN BELOW HAS AN AREA OF 50 SQUARE FEET.THE PEN IS TWICE AS WIDE AS IT IS LONG AND HAS A PERIMETER OF 30 FEET. WHAT IS THE LENGTH, IN FEET OF THE PEN.

245. ## algebra

The number of red beads sheila has is four times as many as the number of green beads she has .There are 75 red and green beads.How many red beads does sheila have?

246. ## math

5^0/5^-6 * 1/5^-11 / (5^2)^4/(5^10)^2

247. ## chemistry

When 1219 J of heat energy is added to 40.4 g of ethanol, C2H6O, the temperature increases by 12.3 °C. Calculate the molar heat capacity of C2H6O. (In J)

please help with this problem Your dad is taking Biology as part of the veterinarian program at the local community college. This semester he will spend a total of 40 hours in the biology lab, and he will take notes in class 6 hours per week. Define a

249. ## Algebra

If a, b and c are non-zero reals such that a + b + c = 11 and \frac {1}{a} + \frac {1}{b} +\frac {1}{c} = 0, what is the value of a^2 + b^2 + c^2?

250. ## algebra

Find the sum of all positive integers b such that b^2=a^3+1, where a is a prime number.

251. ## Math

Algebraic factorization (2x-5)(3x+2)-(4x-10)(5x+4)

252. ## Physics

A spring is compressed 12 cm. A 100-g block is placed against the spring. When the block is released, the block rises 2.0 m up the slop. Neglect friction. What is the spring constant of the spring?

253. ## algebra

6(15) + 40 = ?

254. ## Physics

Satellites A and B are in circular orbits, with A two and a half times as far from earth's center as B. How do their orbital periods compare?

255. ## math

Suppose z is a complex number such that z^5 = -\sqrt{3} + i and z = \sqrt[5]{2} ( \cos n^{\circ} + i \sin n^{\circ}) , where 270 < n < 360 . Find the exact value of n .

256. ## Health Ethics

I need help with the following scenario to get started on a project. I am totally lost. Please HELP! Scenario: One of the patient care aides has complained to her manager that the Chief Medical Officer of the hospital has been following her around, making

257. ## Geometry

The value of y that minimizes the sum of the two distances from (3,5) to (1,y) and from (1,y) to (4,9) can be written as \frac{a}{b} where a and b are coprime positive integers. Find a + b.

258. ## PHYSICS

The rate at which an object's velocity changes with time

259. ## Chemistry

How do I quickly identify whether or not a salt is soluble?