# Questions Asked onMay 9, 2017

1. ## math

planning a delivery routes for a postman/milkman

2. ## geometry

Given: KLMN is a trapezoid, KL = MN, m∠1=m∠2, LM/KN =8/9 PKLMN = 132 Find: The length of the legs.

3. ## Geometry

What is the surface area of the cylinder in terms of Pi? (A picture of a cylinder with 11in as its radius and 23 in as its height) A)748pi in^2 B)627pi in^2 C)506pi in^2 D)242pi in*2 (I'm not sure how to do this,I did it before and got it right but I lost

4. ## Chemistry

So this is a three part question. I solved the first part correctly but I need help with the second and third. Q: The dissociation equilibrium constants for the protonated form of of alanine (a diprotic amino acid, H2X+)are Ka1 = 4.6 x 10^-3 and Ka2 = 2.0

5. ## Math

a) The average height of sunflowers in a field is 64 inches with a standard deviation of 3.5 inches. Describe a normal curve for the distribution, including the values on the horizontal axis at one, two, and three standard deviations from the mean. b) If

6. ## Geometry

What is the area of the figure to the nearest tenth. 165 degrees and 6 inch radius A)8.6in^2 B)51.8in^2 C)103.6in^2 D)16.5in^2*** I think the answer is D am I correct?

7. ## @ Online Students

A student recently posted this. Please heed. "quick backstory; i've been cheating on all of my work except portfolios this whole year cause i'm in online school. but i'm wanting to learn since there's gonna be ACT test in REAL so... please help me on how

8. ## math

Rs 770 have been divided among A,B,C in such a way that A receives 2/9 th of what B and C together receive.then A share?

The table below gives selected values for the function f(x). Use a trapezoidal estimation, with 6 trapezoids to approximate the value of integral from 1 to 2 f(x) dx =.1*4/2+.1*7/2+.3*10/2+.2*13/2+.2(15/2)+.1*18/2 =4.40

12. ## Chemistry

The delta G^o for a reaction : h2 (g) + i2 (g) = 2HI(g) Is 2.6 kj/moles. In one experiment the initial pressures are P h2 = 4.26 atm, P i2 = 0.024 atm, P hi = 0.23 atm. Calculate delta G

13. ## maths

Six of the classes at your school are going to the pool for a swimming party. That means 125 students need to get on buses and each bus hold 48 students. How many buses will the school need?

14. ## pre-al

If you roll a standard number cube 42 times, how many times do you expect the cube to show a six or an eight?

15. ## Math

Suppose S and T are mutually exclusive events. Find P(S or T) if P(S) = 29% and P(T) = 49%. What equation would I use for this question? What if they were not mutually exclusive?

16. ## Physics

A 95 kg halfback makes a turn on the football field. The halfback sweeps out a path that is a portion of a circle with a radius og 12 meters. The halfback makes a quarter of a turn around the circle in 2.1 seconds. Determine the speed, acceleration and net

17. ## Physics

A plane with a mass of 4.50 x 10^3 kg accelerates on takeoff at 10.0 m/s2. What is the net force acting on the plane?

18. ## Chemistry

Given that HSO4- is a stronger acid than HPO4^2-, what is the chemical reaction if solutions containing these ions are mixed together? (Hints: One of these must act as an acid and the other as a base. Use the Brønsted-Lowry definition) Please explain how

19. ## physics

When the play button is pressed, a CD accelerates uniformly from rest to 420 rev/min in 5.0 revolutions. Part A If the CD has a radius of 6.5 cm and a mass of 20 g , what is the torque exerted on it? Express your answer using two significant figures. N.m

20. ## math

3. This question is for 3 and 4. From a barrel of colored marbles you randomly select 7 blue 5 yellow 8 red 4 green and 6 purples. Find the experimental probability of randomly selecting a marble that is not yellow. 1/30 5/6***** 2/15 1/6 4. Find the

21. ## Pre cal

If a ball is hit with an initial velocity of 110 feet per second at an angle of 45 degrees from an initial height of 2 feet, how far will the ball travel before it hits the ground?

22. ## Algebra

The speed of the current is 7 mph. The boat travels three times slower against the current than with the current. What is the speed of the boat in still water? Plz answer as soon as possible!

23. ## Calculus

Suppose an airline policy states that all the baggage must be boxed shaped with a sum of length, width, and height not exceeding 138 inches. What are the dimensions and volume of a square based box with the greatest volume under these conditions.

24. ## Geometry

The volume of two solids are 135 in and 625 in. Find the similarity ratio. Hope you can help!

25. ## Statistics

A student takes true or false test consisting of 10 questions by just guessing at each answer. Find the probability that the student's score will be 80% or more?

Using 4 equal-width intervals, show that the trapezoidal rule is the average of the upper and lower sum estimates for the integral from 0 to 4 of x squared, dx.

27. ## Chemistry ASAP

Protons and neutrons are made from which of the following particles? up quarks only up quarks and down quarks

28. ## chemistryy

what is the pH [H3O+] = 5.9×10−2 M

29. ## Math (Integrals) (Using given method)

I would like to solve the ∫sin^2(pix) dx Using the given substitution identity: sin^2(x) = (1/2)(1-cos2x) This is what I did so far: ∫sin^2(pix) let u = pix du = pi dx (1/pi)∫sin^2(u)du Applying the identity is where I'm lost on how to continue

30. ## Physics

A 34.0 kg block accelerates along a frictionless ramp that is inclined at 35 degrees. Determine the acceleration of the block.

31. ## social studies HELP PLEASE

1. IN the eastern outbox church, icons were? 2. The pope is the leader of? 3. Which city was important in the acceptance of Christianity in England? 4. According to the biblical passage, which group is blessed? 5. What dose Jesus say is the inheritance the

32. ## Geometry

what is the area of the circle in terms of pi if it's 3.7m diameter A)3.4225pi m^2**** B)6.845pi m^2 C)7.4pi m^2 D)13.69pi m^2 I think it's A

33. ## Language Arts

Thoreau’s ideas had a profound effect on a man named Gandhi. Gandhi, was a leader in India who worked to end British rule. He led India to independence and inspired many to non-violent forms of protest and resistance. He fought to end poverty, worked to

34. ## Language Arts

Read the sentence below: Thoreau began speaking against slavery in public, echoing the voices of freedmen like Frederick Douglass and Lewis Hayden. In this context, what does the word echoing mean? Speaking with the same tempo Speaking with the same words

35. ## Math

Which tree diagram shows the possible outcomes of choosing either black or gray shorts and a blue, green, white, or red T-shirt

asked by Royalty, Cj, leon, j'alliya, and nation
36. ## social studies homework

4. Which is an example of a purpose of the American Recovery and Reinvestment Act? a. reestablishing international trade relations b.lowering interest rates on home mortgages c. creating jobs with projects to improve roads and airports d. reducing

37. ## Geometry

A cone has diameter 12 and height 9. A cylinder is placed inside the cone so the base of the cylinder is concentric with the base of the cone and the upper base of the cylinder is contained in the surface of the cone. If the volume of the cone is nine

38. ## chemistry

How many grams of ammonia are produced when 32g of nitrogen react with excess hydrogen? N2 + 3H2 --> 2NH3

39. ## maths

which of the following fraction is greater than 3/4 and less than 5/6. 1/2 , 2/3 ,4/5 , 9/10.

40. ## Geometry

A cone has diameter 12 and height 9. A cylinder is placed inside the cone so the base of the cylinder is concentric with the base of the cone and the upper base of the cylinder is contained in the surface of the cone. If the volume of the cone is nine

41. ## science

a weatherman reports, "the storm waves are about 2 meters high and about 35 meters apart." what properties of waves is the reporter describing

42. ## Math

Peter has 12 baseball cards he traded 1/3 of his cards with his cousin and 1/4 of his cards to tyrell how many cards did he keep

43. ## Language Arts

civil Disobedience Part 2: Thoreau’s ideas had a profound effect on a man named Gandhi. Gandhi, was a leader in India who worked to end British rule. He led India to independence and inspired many to non-violent forms of protest and resistance. He fought

44. ## Language Arts

Thoreau’s ideas had a profound effect on a man named Gandhi. Gandhi, was a leader in India who worked to end British rule. He led India to independence and inspired many to non-violent forms of protest and resistance. He fought to end poverty, worked to

Rolinda’s first five Spanish test scores are 85, 85, 60, 62, and 59. a. Find the mean, the median, and the mode of Rolinda’s Spanish test scores. Round your answers to the nearest tenth, if necessary. b. Which of these measures best supports

46. ## Language Arts

Thoreau’s ideas had a profound effect on a man named Gandhi. Gandhi, was a leader in India who worked to end British rule. He led India to independence and inspired many to non-violent forms of protest and resistance. He fought to end poverty, worked to

47. ## Language Arts

horeau’s ideas had a profound effect on a man named Gandhi. Gandhi, was a leader in India who worked to end British rule. He led India to independence and inspired many to non-violent forms of protest and resistance. He fought to end poverty, worked to

48. ## Algebra 2

If y=3 is a horizontal asymptote of a rational function, which must be true? lim x→ 3 f(x) = 0 lim x→ 0 f(x) = 3 **my answer lim x→ ∞ f(x) = 3 lim x→ 3 f(x) = ∞

49. ## math

16x^2 +2 + 2x-15x^2-1+14x

50. ## Science

Electric charges that are different? 1)attract each other 2)repel each other 3)exist in pairs 4)do not interact I think #1 Thanks

52. ## Science

What occurs when atoms link together in a new ways to create a substance different from original substances

53. ## Geometry

To boost sales, the president of Slirpy Soups decided to change the size of its cylindrical soup can by doubling one dimension and halving the other. Not knowing wich dimension to double and which to halve, the production people created cans of both types;

54. ## Math

consider the relationship between the height of a child and time. Time would be considered which of the following

55. ## US HISTORY

1. How did the Iranian Revolution impact the United States? 2. What was Ronald Reagan’s view on the US government? 3. What are the Moral Majority and the “Contract with America?” 4. What did the falling communist regimes in Eastern Europe have in

56. ## Math

Name a pair supplementary angles

57. ## Math

Any invested part of her $4800 savings at 8% and the remainder at 6%. If the total interest earned on these investments was$348 how much did she invest at each rate?

58. ## Sociales studies

The citizens of a small city have been eager to see more green space in their environment there are several abandoned lots that activists think could be turned into community gardens or parks for people to freely enjoy. 1. For the additional green space to

59. ## Chemistry

The delta G^o for a reaction : h2 (g) + i2 (g) = 2HI(g) Is 2.6 kj/moles. In one experiment the initial pressures are P h2 = 4.26 atm, P i2 = 0.024 atm,

60. ## physical science

it takes 100n to pull an object up an inclined plane. the gravitational force on object is 600n whats load force whats effort force

61. ## Social studies

Which is a likely effect of this change in tax policy? High income people will choose to leave the state•• Non profits will become a large part of the economy•• Consumers in the state will choose to buy fewer things Financial institutions will be

62. ## Math

consider the relationship between the height of a child and time. Time would be considered which of the following A. Function B. Input Function C. Dependent Variable D. Independent Variable

63. ## Spanish

Hola! Could you please check my work to see if my answers are correct? Muchas gracias! LOS MANDATOS AFIRMATIVOS. Forme mandatos afirmativos directos según el ejemplo: Ejemplo:BUSCARLO (tú)= búscalo 1. CONDUCIR (Ud.)= conduzca 2. PREGUNTARLES (Uds.)=

64. ## science

A lab technician adds 0.035 mol of KCl to 1.00 L of 0.0050 M Pb(NO3)2. Ksp = 1.7 × 10–5 for PbCl2. Which of the following statements is correct? a) Lead chloride precipitates until the solution is saturated. b) The solution is unsaturated and no

65. ## Pre cal

Find the horizontal distance a ball travels after 3 seconds, if the ball is hit with an initial velocity of 90 feet per second at an angle of 60 degrees from an initial height of 5 feet. Round answer to nearest tenth, if necessary. Do not include units.

66. ## physics help

Example 11-9 depicts the following scenario. A cat walks along a plank with mass M= 7.00 kg. The plank is supported by two sawhorses. The center of mass of the plank is a distance d1= 0.850 m to the left of sawhorse B. When the cat is a distance d2= 1.11 m

67. ## precal

a coin tossed upward from a balcony 330ft high with an initial velocity of 32/sec. During what interval of time will be the coin be at a height of at least 90ft?

68. ## chemistry

Initially you have 204 g grams of solid thallium at is at its melting point of 304ºC . How many grams of liquid thallium will be present after 476 joules of heat have been added. specific heat liquid thallium is 0.13j/g ºC; heat fusion = 21 j/g; boiling

69. ## english

infinitive phrases underline each infinitive or infinitive phrase, indicating whether it acts as an adjective, an adverb, or a noun

91. ## ph

Describe the structure of an atom, the quantised shell model and how it produces absorption and emission spectra.

92. ## Math

In a town, there are 170 teenagers that have portable media players. This is at least 2/3 of the teenagers in the town. What is the maximum number of teenagers in the town?

93. ## Math

2 cups of sugar is needed for 12 cupcakes. How many cups of sugar for 4 cupcakes? I can figure out how many for 24 cupcakes and 6 cupcakes but not the 4 or 9 cupcakes.

94. ## math

there are 4 red marbles 7 blue and 5 green what is the probability of picking a red replacing it and then getting a blue what is the probability of picking a red this time setting it aside and getting a blue why or why not are the answers the same I have

95. ## Math

In order to get an A in a class, your test scores must average at least 92%. On the first 6 tests, you have an average of 91%. What score do you need to get on the last test to earn an A?

104. ## math

The difference of two number is 33. the larger number is one more tHan three time the smaller number .find the number.

107. ## Social Studies

Which situation is most likely to occur in a command economy then a market economy? A. A factory lays off unneeded work, B. A farm sells fruit off the side of the road, C. a union negotiates a better pay rate with employers, D. A failing railroad receives

108. ## math

The slope of a line that goes through -3 -5 and -3 -6 is what positive negatative*** zero undefined

109. ## LA

the passage is "the importance of being earnest" by oscare wilde. which statement best expresses a theme of the passage? a. some secrets are better left secrets b. rules change depending on the situation c. marriage changes people d. nothing seems as it is

110. ## Physics

A gas initially occupies 4.5L at 350k and 22kPa. How many moles and molecules are present?

111. ## Math

The area of a triangular sail (for a sailboat) is 30 meters squared. If the height of this triangular sail is two less than twice the length of the base, find the dimensions ( height and base ) of the triangular sail.

112. ## Math

you throw a ball up in the air. given the function h=-16t^2+20t+6 1)when does the ball reach it maximum height? and 2)what is the ball's maximum height?

113. ## Math

The distance, "d", to the horizon (= farthest point on the earth still visible) for an object that is "h" miles above the surface of the earth is given the formula d = the square root of 8000h +h^2. Determine how many miles above the surface of the earth

114. ## Math

A ladder is needed to reach the top of a second floor window, A distance of 20 feet above the (level) ground. According to the directions on the ladder, the distance between the bottom of a leaning ladder and the base of the (vertical) wall it is leaning

115. ## Math

A rectangular swimming pool is 6 meters longer than the width of the pool. A pool deck (sidewalk) that surrounds the pool is 4 meters wide (all the way around the pool). The combined area of the pool deck and pool together (outer rectangle) has an area of

116. ## Statistics

if 5 dice are thrown find the probability that at least 3 of them will turn up 6

117. ## Physics special relativity

The distance from earth to the galactic centre is 23000 ly. What constant speed would be required to make the journey in 30 y of an astronaut's lifetime? I know the answer should be 0.99999915c but don't know how to get there with time dilation or length

118. ## math

dora saves money in a christmas club for a year each month she saves 49.99 how much money does dora save in a year

119. ## Chemistry

A rock contains 270 mmol of 238 U (t1/2= 4.5*10^9 yr) and 110 mmol of 206 Pb. Assuming that all the 206 Pb comes from decay of the 238 U, estimate the rock’s age.

120. ## Statistics

A man will win $1 if he throws 1,2,3, or 4 and will lose$3 if he throws a 5 or 6 with a single die. If the man will throw a die, what will be his mathematical expectation?

121. ## Enlish

We megaphone the subchaser , his response returned to us; out of the darkness the voice was youthful. I could picture a youngster of a skipper out there with his blown hair and his life jacket and binoculars. Rolling to the sea in the Mediterranean dusk.

122. ## Algebra 2

How is g(x)=1/2x-4 from the parent graph f(x)=1/x? Vertically stretched by a factor of 2 and shifted right 2 units. Horizontally stretched by a factor of 2 and shifted right 4 units. Vertically compressed by a factor of 1/2 and shifted left 2 units.

123. ## Language Arts

Civil Disobedience Part 1 Most people remember Gandhi and Dr. Martin Luther King, Jr. as reformers who practiced non-violent forms of protest and advocacy. Both effectively changed the popular opinion about emotional issues for their countries and brought

124. ## Statistics

what is the probability of throwing less than 11 with two dice?

125. ## Language Arts

Read the sentence below: Thoreau began speaking against slavery in public, echoing the voices of freedmen like Frederick Douglass and Lewis Hayden. In this context, what does the word echoing mean? Speaking with the same tempo Speaking with the same words

126. ## Statistics

Given 5 flags of different colors, how many different signals can be made by displaying them in a vertical line using any number at a time?

127. ## math

3. This question is for 3 and 4. From a barrel of colored marbles you randomly select 7 blue 5 yellow 8 red 4 green and 6 purples. Find the experimental probability of randomly selecting a marble that is not yellow. 1/30 5/6 2/15 1/6 4. Find the

128. ## Geometry

Two square pyramids have the same volume. For the first pyramid, the side length of the base is 5 in. and the height is 9 in. The second pyramid has a height of 1 in. What is the side length of the base of the second pyramid? Thanks in advance!

129. ## MATH hellllp!!!!!!!

1. You mix the letters: S E M I T R O P I C A and L thoroughly. Without looking you draw one letter. Find the probability that you select a vowel. From a fraction to simplest form. 12/5***** 5/12 1/3 7/12 2. You roll a standard cube once. Fine P(0) 7/6 1

130. ## S.S

how is the land in Guatemala used?

131. ## Math

How does this writer feel about war? Line 32 ---- new profession out in a strange night caring for each other (1) the men can't see other, but a single voice reminds them of their unity. (2) the Americans and their enemies end up talking in a friendly way

132. ## Calculus

The slope of the tangent to a curve at any point (x, y) on the curve is -x/y . Find the equation of the curve if the point (3,-4) on the curve.

143. ## Environmental Science

When do government agencies have to file and Environmental Impact Statement (EIS)? A) Any time a federal agency proposes a project that will use taxpayer money*** B) Any time a federal agency proposes a project that will cost more than \$1 billion C) Any

144. ## Math

An office supply company is shipping a case of wooden pencils to a store. There are 64 boxes of pencils in the case. If each box of pencils weighs 2.5 ounces, what is the wieght in pounds of the case of wooden pencils

145. ## science

Which statement most accurately compares Earth’s crust and Earth’s mantle?