# Questions Asked onMay 1, 2014

1. ## Data math help 7th

Jeri asked 40 random students at his school to name their favorite ice cream flavor. Of the 40 students he asked, 25 of them preferred chocolate. Based on Barry's results, how many ff the 1200 students in the school most likely prefer chocolate ice cream?

2. ## math (check answer plz)

Types........ Adults Children Total Chocolate Chip 5 10 Peanut Butter 8 6 Oatmeal 7 4 -------------------------------------------------------------------------------------------------------------------------------- What percentage of the children chose

3. ## Help Ms.Sue!!! Social Studies

1. How does the Israeli-Palestinian conflict most directly affect the daily lives of young people in Jerusalem a. civilian violence b. peace talks c. international negotiations d. political parties ( my answer) 2. which is the best location for farming? a.

4. ## HELP MATH ONLY 1 QUESTION!!!!!!!!!!!!!!!!!!!!!!!!!

you draw five card from a standard deck of 52 cards p(heart)=4/5. what type of probability is illustrated and why?? 1) Theroretical ; the result is based on then number of possible outcomes 2) Theroretical; the result is found by repeating an experiment

5. ## Probability

Consider a Poisson process with rate λ. Let N be the number of arrivals in (0,t] and M be the number of arrivals in (0,t+s], where t>0,s≥0. In each part below, your answers will be algebraic expressions in terms of λ,t,s,m and/or n. Enter 'lambda' for

6. ## chemistry

For which salt, K2SO4, Li2SO4, KClO4, or NH4Cl, will increasing the temperature of the water have the greatest change in solubility per 100 g solvent?

7. ## Probability

We are given the following statistics about the number of children in the families of a small village. There are 100 families: 10 families have no children, 40 families have 1 child each, 30 families have 2 children each, 10 families have 3 each, and 10

8. ## science

Which of these statements about saltwater is correct? Saltwater freezes at a lower temperature Saltwater freezes at a higher temperature

9. ## physics

A wire of uniform thickness with a resistance of 27 ohm is cut into three equal pieces and are joint in parallel.find the resistance of the parallel combination.

10. ## consumer math

You wish to paint a storage shed. Its four walls measure 7 ft. high and 8 ft. wide each. If one gallon of paint covers 160 sq. ft., how many gallons of paint will you need?

11. ## science

Johnny left a glass of milk on his bedside table for a week, and it spoiled. at the end of the week, the glass contained a yellow liquid with lumpy white chunks, and there was a terrible order. what can be concluded? A. the milk has undergone a physical

12. ## phys

A disk with a rotational inertia of 2.0 kg.m^2 and a radius of 0.40 m rotates on a frictionless fixed axis perpendicular to the disk faces and through its center. A force of 5.0 N is applied tangentially to the rim. The angular acceleration of the disk is:

13. ## science

A student is trying to identify the different forms of energy described in the following chart:

14. ## Chemistry

A sample of nitrogen occupies a volume of 300ml under a pressure of 380 torr at -177C. What would be the volume at STP? I know the answer is 430mL but I don't know which equations to use to formulate the calculation.

15. ## Algebra

Word problem: A new photocopier can make 72 copies in 2 min. When the older photocopier is operational, the two photocopiers together can make 72 copies in 1.5 min. How long would it take the older photocopier to make 72 copies working alone? Show work.

16. ## Survey Math help

A movie complex has eight different movie theaters. The manager of the complex wants to conduct a survey to determine which snacks to add to the menu. Which represents the best sample the manager could use for the survey? Would I do specific ages the first

17. ## chemistry

Kc for the decomposition of ammonium hydrogen sulfide is 1.8 x 10-4 at 15oC. a. When 5.00 grams of the pure salt decomposes in a sealed 3.0 L flask at 15oC, what are the equilibrium concentrations of NH3 and H2S? b. What are the equilibrium concentrations

18. ## HELP MATH 1 QUESTION!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

a number cube is rolled 120 times. the number 4 comes up 47 times. what is the experimental probability of rolling a 4 A) 47/120 ; 1/30 B) 47/120 ; 1/6 C) 4/47 ; 1/6 D) 1/6 ; 47/120

19. ## math

in lucys bead collection 75% of the beads where red 12% are blue the rest are green she has 104 green beads how many are blue beads

20. ## science

if new information about the behavior of atoms is discovered and verified, then revisions will need to be made to the current _______ ?

21. ## science

Which of the following illustrates mechanical weathering? A. Carbonic acid weathers marble limestone B.As plants grow, they produce weak acids that slowly dissolve rock C.Oxidation causes weathering in rock

22. ## History 8

What was one of the main problems with states controlling their own currency? A.States always had to pay the national government more money than they were able to produce. B.States could make their own money and assign it a specific value. C.Paper money

23. ## Science

Which of the following demonstrates that reactants and products are chemically different? A. Zn + 2HCl -> 2HCl + Zn B. Zn + 2HCl -> H2 + ZnCl2 C. H2O + C4H10 -> H2O + C4H10 D. C4H10 + H2O -> C4H10 + H2O

Which of the following personal completes the sentence correctly? One of my brothers just received ____diploma? A. his B. him C. their I think it is A or B. Can't quite decide. Please help.. Thank you

25. ## math

Jose invests 3250 dollars at 6% interest compounded annually. What will be the balance in the account after 3.5 years? A. 3932.50 dollars B. 3985.23 dollars C. 4752 dollars D. 5200 dollars

38. ## chemistry

Why is water essential to living things? A. Water is essential because it is an inorganic compound. B. Water is essential because it contains hydrogen and oxygen atoms. C. Water is essential to many of the chemical reactions that occur in the body. D.

asked by I NEED HELP FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
39. ## math

The radius of the earth is approximately 3950 miles. The radius of Jupiter is approximately 44,400 miles. Since the radius of Jupiter is more than 11 times that of the earth, which comes closest to the volume of Jupiter ?

40. ## Probability

A single dot is placed on a very long length of yarn at the textile mill. The yarn is then cut into pieces. The lengths of the different pieces are independent, and the length of each piece is distributed according to the same PDF fX(x). Let R be the

41. ## Calculus Help Please Urgent!!!

Breathing is cyclic and a full respiratory cycle from the beginning of inhalation to the end of exhalation takes about 3 s. The maximum rate of air flow into the lungs is about 0.3 L/s. This explains, in part, why the function f(t) = (3/10)sin(2πt/3) has

42. ## math

You have a nickel, a dime, a quarter and a half dollar. A clerk shows you several items, each a different price, any one of which you could buy with your coins without receiving change. What is the largest number of articles he could have shown you? a. 8

43. ## Please do Civics Essay thanks so much

Please Help with essay question. thanks!! In a federal system of government (also known as a federation), the local and state governments share power with the central government, though the central government has final authority. Eplain how this is

44. ## math

A ladder 20m long rest aganist a vertical wall so that the foot of the ladder is 9m from the wall.

45. ## Finance

An investor buys 100 shares of a $40 stock that pays an annual cash dividend of$2 a share (a 5 percent dividend yield) and signs up for the dividend reinvestment plan. A. If neither the dividend nor the price changes, how many shares will the investor

71. ## pre calculus

Express statement as an equation. Use the given information to find the constant proportionality z varies inversely as t. If t  3, then z  5.

81. ## math

Amy earned $93 at work yesterday. She gets paid$8 per hour, plus she received a \$45 bonus. Write an equation that can be used to determine how many hours Amy worked.

82. ## Chemistry

1) Which ion(s) below would undergo hydrolysis in water? A) Cl- B) K+ C) NH4+ D) NO3- E) Two of the above My guess is C, but I'm not too sure about this one. 2) Calculate the [OH-] present in solution labeled 1.73 M methylamine. CH3NH3 + H2O --> CH3NH3+ +

83. ## math

You toss a coin 15 times. P(heads) 2/5 = a. experimental; the result is found by repeating an experiment. b. experimental; the result is based on the number of possible outcomes. c. theoretical; the result is found by repeating an experiment. d.

84. ## English

I need to change the word heavy into light only changing one letter at a time

85. ## math

It took Aaron 4 hours to drive 232 miles. Use the equation below to determine what his average rate of speed was. D = r x t D = distance, r = rate of speed, t = time

86. ## Statistics

A 95% confidence level for the difference between u1 and u2 runs from -2 to +6. From this we can infer that a. u1 is probably greater than u2. b. u1 is probably less than u2. c. there may be no difference at all between u1 and u2. d. the difference between

87. ## math (5)

The monthly profit (in dollars) of Bond and Barker Department Store depends on the level of inventory x (in thousands of dollars) and the floor space y (in thousands of square feet) available for display of the merchandise, as given by the equation below.

88. ## Chemistry

The following reaction is reactant-favored at equilibrium at room temperature. COCl2(g) -> CO(g) + Cl2(g) Will raising or lowering the temperature make it product-favored?

89. ## math

If A=2/3B,B=2/3C,and C=2/3D,what part of D is B? a. 8/27 b. 4/9 c. 2/3 d. 75 e. 4/3 please answer and explain

90. ## Chemistry

Calculate the grams of NaNO3 required to produce 5L of oxygen at STP if the percent yield of the reaction is 78.4%?

91. ## science

A 0.63kg{\rm kg} mass vibrates according to the equation x=0.30cos7.00tx = 0.30 \cos 7.00 t, where xx is in meters and tt is in seconds. Determine the amplitude.

92. ## Physics

An ornamental thermometer, commonly known as a Galileo thermometer, contains a number of spheres of hollow colored glass, representing different temperatures, immersed in a column of ethanol. A particular sphere rises from the bottom to the top of the

93. ## Algebra

Divide this rational expression and polynomial (12x^2 + 9x-7)/(3x)

94. ## Chemistry

Write the half cell reactions of the following? 1) Cu/Cu^2+(0.1M)//Ag^+(0.1M)/Ag 2) Zn/Zn^2+ (0.1M)//Cu^2+(0.1M)/Cu 3) Zn/Zn^2+(0.1M)//Ag^+(0.1M)/Ag 4) Zn/Zn(NH3)4^2+*0.5M)//Ag^+(0.1M)/Ag 5) Zn^2+(aq)+4NH3(aq) ...show more Also, around what range of

95. ## calculus 1

find the cubic function,f(x)=ax^3+bx^2+cx^d , has local maximum value of 3, at x=-2 and local minimum value of 0, at x=1.

96. ## Physics waves

1. A vibrating point on a spring travels 60 mm during three cycles. What is the amplitude of the vibration? a) 0.05 mm b) 5.0 mm c) 15.mm d) 20.mm e) 180 mm my answer: I got 10 mm but it is not listed as an option 2. When a tuning fork of unknown frequency

97. ## Physics

A block of mass M1positioned on a slope (at an angle  ) is connected by means of an inextensible wire, of negligible mass, to another mass, m2, suspended from a frictionless pulley. The coefficients of static and dynamic friction between the slope and

98. ## calculus help

find the derivative of the function integral from cosx to sinx (ln(8+3v)dv)

99. ## Physics

Find the equivalent resistance in 16 ohm and 8.0 ohm connected in parallel.

100. ## Calculus

Consider the differential equation dy/dx=xy-y. Find d^2y/dx^2 in terms of x and y. Describe the region in the xy plane in which all solutions curves to the differential equation are concave down.

101. ## Chemistry

Just two more to check, thanks! 1) The pH of a 1.25 M solution of unknown monoprotic acid is 5.43. Determine the value of Ka for this acid. HX H+ + X-. (I obtain 1.0 x 10^-11) 2) Calculate the pH of a solution which is 0.73 M benzoic acid. Ka = 6.5 x 10-5,

102. ## algebra

(y^2 - y + 2)/(y + 2) I put this in calc101 . com and I got an answer with y - 3 in the quotient and got 8 in thr remainder area. My answer key says the answer is y - 3 + 8/y + 2. Can someone explain how the answer key has this answer?

103. ## chemistry

what will be the pressure of 0.010m of oxygen gas in a 4.5L flask at a temperature of 10,000C?

104. ## math

A candy dealer makes up a mixture of 3 parts of candy costing him 60 cents a pound with 2 parts of candy costing him 70 cents a pound, and 2 parts of candy costing him 50 cents a pound.At what price per pound should he sell this mixture to make a profit of

105. ## physics

A moving object has a kinetic energy of 147 J and a momentum of 22.3 kg·m/s. a) Find the speed of the object. Answer in units of m/s

106. ## science

How are restriction enzymes important tools in genetic engineering?

If you see that a hot-air balloon is rising above the top of a hill, what is the top of the hill called?

108. ## questions

Grammar, spelling, and facts can someone tell me about that in south america????

109. ## math (2)

Find the first partial derivatives of the function. f(x,y,z) = xe^(y/z) a. fx = ? b. fy = ? c. fz = ?

110. ## Math (6)

The formula below gives the surface area S of a human body (in square meters) in terms of its weight W (in kilograms) and its height H (in centimeters). S = 0.007184(W^0.425)(H^0.725) Compute SW and SH when W = 100 kg and H = 180 cm. SW = ? SH = ?

111. ## calculus help

use the midpoint rule with the given value of n to approximate the integral. round the answer to four decimal places. integral 0 to pi/2 2cos^3(x)dx, n=4 M4=????

112. ## Math

Your school is planning to put an aquarium with 30 fish in it in the main lobby. To accommodate this number of fish, the aquarium should be between 50 and 60 cubic feet of water. To help reduce costs, the surface area of the aquarium should be no more than

113. ## math

Kyle got in his car and started driving toward his grandmother's house. After driving for 1 hour and 47 minutes, Kyle took a break for 31 minutes to have a snack. Then Kyle drove 43 minutes and finally arrived at his grandmother's house at 4:12 P.M. What

114. ## questions

Hi i have a question about air pollution that comes out of cars?!?! where does it come from? is it the smoke coming out the back of the car?!?!? where !?!

115. ## English

The fire lasted for four days, from 2 September until 5 September. ------------------ How do you read '2 September' and '5 September'? 1. Second September, fifth September 2. September second, September fifth

116. ## Science

How much work is done on the trolley by the force,if the force applied is 200N at an angle of 37 degrees to the horizontal and the trolley moves a distance of 10m.

117. ## Constituion

Does Article I gives the legislative branch power to make laws?

118. ## accounts

People from all over the world moving from sole proprietorship to partnerships due to the numerous benefits they get. You are required to tell why the focus is shifting from sole proprietorship to partnership? Explain your answer with the help of at least

119. ## math

There are 5 cars taking students to a museum.Each car can seat 4 students.How many students can go to the museum?

120. ## Physics

A piston in a bicycle pump is pressured half way into the pump without letting air get out and at unchanged temperature. Inside diameter of the pump is 2,3 cm. a) What is the pressure inside the pump in atm? b) How much force is needed to hold the piston

121. ## English Literature

We have just finished reading Poe's "The Fall of the House of Usher" and I need to explain, in a paragraph what "Roderick is all mind in a weak body" means. I think it's somehere along the lines of his spirit being alive but his exterior being dead. I'm

122. ## chemistry

A Can of CO2 contains 5.75gmolecules of CO2. Calculate (a)number of moles of CO2 (b) mass of CO2.

123. ## math

write a diameter if 8-pound test line in words and as a fracion

124. ## college chemistry

What is the free energy change at 25°C for the reaction below, if ΔGfo(CH4(g) = -50.790 kJ/mol, ΔGfo(C7H14(g)) is 95.887 kJ/mol. C7H14(g) + 7H2(g) ↔ 7CH4(g) similar question but gives some different G's

125. ## Physic

Two identical tops spin with angular velocities 45π rad/s up and 19π rad/s down, respectively, about vertical axes on a table. The tops bump into one another and separate. After the collision, one of the tops has an angular velocity of 35π rad/s in its

126. ## Space Exploration

Give two reasons why observatories are still being built on Earth instead of launching more space telescopes? I I'm assuming one reason is the cost but can't find another reason .

127. ## math

Evaluate: 2 to the fourth power + 2 to the third power

128. ## Chemistry

100.0 ml of 0.25 M HCL are required to titrate 65 ml of NaOH. What is the M of the NaOH?

129. ## history

Who as the last American Indian to surrender to the US government?

130. ## English

Where is the Lord Mayor of London? (Why is 'Lord' added before 'Mayor'here? In the sentence, what is the meaning of 'Lord'?)

131. ## Math

. A playground has a total of 18 swings and slides. There are as many swings as there are slides. How many are there of each?

132. ## malay

How do you respond to these malay questions? Siapakah kawan baik anda di sekolah? Adakah kamu suka akan matapelajaran matematik?Mengapa? Makanan apakah yang paling anda gemari? Adakah anda suka membaca buku novel?

133. ## English check answer !

i think its C. Which of the following show the correct use of a colon? A. my tennis lesson begins exactly at 40:0 p.m. B. Dear: Ms.Hershel C.I have a doctor's appointment at 12:30 p.m.

134. ## Math

I need help with the below math problem. I have to write out the steps to show the answer. 2(x - 14) + 3 = 7x + 5

135. ## math

A line segment is drawn from (-8,-6)to (0,0).What are the coordinates of the midpoint? a. -16,-12 b. -8,0 c. 0,-3 d. -4,-3 e. -3,-4 please answer and explain

136. ## Function Maths 11

How do you find the related acute anle of tan110 and sin350? I don't understand how to get the answer...

Mickey Mouse love cheese. He had 24 wedges of cheese. 3/4 of the wedges were cheddar and the other wedges were gouda. How many wedges were cheddar?

138. ## science

Discuss the relationship between the size and weight of an object and the amount of friction that is present. Sports such as soccer involving running, stopping, jumping, and kicking. Discuss how friction helps players. Please help, I am stuck and confused.

139. ## science

is that electric current occupies space?

140. ## Pysical science

what is the volume of iron (p=7.9 g/cm3) that has a mass of 0.05kg

141. ## Constituion

what article of the Constitution clarify the federal system of government?

142. ## Geometry

Geometry: the width and area of a rectangle Is (4b^3+5b-3)/(2b-1) What is the length of the rectangle? Show work.

143. ## math

find the slop of (-17,18),(4,-12)

Which one of these statements is true about a "bumper-to-bumper" warranty. A. Normal wear and tear is NOT covered by the warranty. B. All expenses except gasoline and routine oil changes are covered by the warranty. C. Every part and system is covered

145. ## aed

• From the Select Chapter menu, click 11. o From the menu on the left, select Video. o Click on the “Classroom Management” video clip. • Choose either the constructivist or behaviorist theory of education. • Write a 700- to 1,050-word paper in

146. ## Calculus Help and Check

find the derivative of the function integral from cosx to sinx (ln(8+3v)dv) y'(x)= (sin(8+3((sin(x)))+x)+sin(8+3sin(x)-x))/2 Is this the right answer?????

147. ## social studies

so i have to do a poster on the human characteristics of south america and one of the catagories is goverment systems

Ellison's Jewlers displays charms for bracelets in trays that hold 36 charms each the store has 637 charms to put on display in 5 display cases. How many charms are left after the trays are filled ?

149. ## Physic

A vacuum pump is connected to its electric motor by a belt drive (Fig. 9-40, not to scale). The motor rotates at a rate of 1000 rev/min and the diameter of the motor shaft is 2.9 cm. How large (diameter) should the pulley be if it is designed for a speed

150. ## physics

If the end of the ruler of length 1 m is raised by 25 cm, the wooden bar is sliding down at the constant speed. What is the acceleration of the bar if the height of the end is increased twice

151. ## Math

I need the lowest LCM of the number to the 2 number 30 and the number 57

152. ## Alg

y^2/4 - x^2/25 (less than or equal to 1 y (greater than or equal) 2/3 x +4

153. ## Statistics

Carol has data on the causes of violent outbursts among kindergarten children. She used a "shot-gun" approach to hypothesis testing by asking the computer to produce p-values for 300 quickly chosen hypothesis tests. She shared her glee with fellow

154. ## Math

Could I please get another example of a math problem like the one I did below? 2(x - 14) + 3 = 7x + 5

155. ## Math

Last week we talked about Order of Operation or (PEMDAS) and this week we are solving Linear Equations. Is there any relation to the two practices? Think about it, are the processes similar? Is the process reversed? I think that there is a relation between

156. ## math

she made 3 frames for pictures that each have an area of 24 square inches and each have a perimeter of 20 inches. How many tiles did she use for all 3 frames?

Maggie Ordered 3 pizzas. Each pizza had 6 slices each. 5/6 of the pizza had mushrooms on it. How many pieces had mushrooms?

158. ## English

1. The fire happens in the year 1666. 2. The fire happens in 1666. (Which one is commonly used? What is the difference between them?)

159. ## science

Discuss the relationship between the size and weight of an object and the amount of friction that is present. Sports such as soccer involving running, stopping, jumping, and kicking. Discuss how friction helps players. Please help, I am stuck and confused.

160. ## networks

i was studying for my network exam and came across the question Compare and contrast packet switching and circuit switching, i compared them no problem but i don't know the actual similarities between them, pls help

161. ## networks

what method can be used to reduce packet jitter

163. ## math

given a Gp below, find the values of m, and the next 2 terms: m, m+3, m^2+3

What are some of the perils of the Amazon Rain Forest

165. ## Biology

Does the adrenal gland have any role in DIRECTLY DETECTING a change in the blood glucose level? Or is only the pancreas involved?

166. ## Math

1. Graph and identify the coordinates of a rectangle with a length of at least 5 units and a width of at least 2 units. Each vertex of the rectangle must be in a different quadrant. Two of the points must have rational coordinates that are not integers

167. ## math

how much lottery revenue has been allocated to education in nc

168. ## english

In your opinion what point could making an observation halt or obstruct the writing process

169. ## history

i need to build a visual for civil war prisoner of war

In Sassy' closet, she has 64 shirts. 2/8 of the shirts were blue. How many of Sassy's shirts are blue? How many are not blue?

171. ## math

I need the LCM of numbers 2,30,57 please I am not understanding it very well

172. ## Physics/Algebra

Physics: For a 225-watt bulb, the intensity I of light in lumens at a distance of x feet is I=225/x^2. a. What is the intensity of light 5 ft from the bulb? b. Suppose your distance from the bulb doubles. How does the intensity of the light change?

173. ## networks

Sorry but what causes packet jitter

175. ## math

If the area of a circle is twice the area of a triangle whose base is 4 pi and whose altitude is 4, the radius of the circle equals a. square root 32 b. 2 c. 4 d. 8 e. 32 please answer and explain

176. ## calculus help

find the derivative of the function. integral cos(x) to sin(x) ((ln(8+3v))dv)

177. ## Questions

can someone give me some facts about the environment in south america !?!?!?!?!?!

178. ## Math

9-7+14=18-b+9

179. ## Trig. Math

A circle of radius 2 inscribed in a right triangle. Find the simplest expression possible for the triangle's area as a function of its hypotenuse.

180. ## pre calculus

4+7i divided by 2 (problem is written as a fraction) 4+7i _________ 2