Questions Asked onMarch 14, 2017

1. Math help! Check my answers ASAP!

1. Which graph most likely describes the distance a person walks in a 24-hour period? (1 point) a. Graph IV** b. Graph II c. Graph I d. Graph III 2. A car traveling at 25 mi/h accelerates to 48 mi/h over the first 5 seconds. It maintains that speed for the

asked by Cutie Pie
2. math

1. Which is a set of collinear points? J,H,I L,H,J J,G,L L,K,H 2. Use the diagram to identify a segment parallel to. 3. The meadure of angles A is 124. Classify the angle as acute, right, obtuse, or straight. Acute Straight Right Obtuse 4. Find the

asked by i need help
3. Art:Please Help Me @Ms Sue

How did art critic John Canady influence the opinions of art lovers and buyers in the 1960s and 1970s ??

asked by Young Trippy Lil G
4. Language Arts

In "Dust of Snow," the speaker says that something "Has given my heart / A change of mood." What has caused this change of mood? A: Seeing a crow perched in a tree. B: Taking a walk in the woods. C: Thinking about his day.** D: Having snow shaken on him.

asked by Dejavu
5. math

Given: ∆PQR, m∠R = 90° m∠PQR = 75° M ∈ PR , MP = 18 m∠MQR = 60° Find: RQ

asked by Grace
6. Chemistry

When iron metal reacts with oxygen, the reaction can form Fe2o3 (numbers are subscripts). Write a balanced chemical equation for this reaction and find the number of moles of oxygen that are needed to form 6 mol of Fe2o3. Show your work. I am really stuck

asked by Leon
7. Science

Which of the following would best explain why a species of wildflower native to Switzerland is observed growing in the wild in Montana? Wind dispersed seeds of the wildflower.* Water dispersed seeds of the wildflower. A human brought and dispersed the

asked by Dylan
8. Physical Science

What are the products of a double replacement reaction between potassium bromide and silver nitrate? Name the resulting compounds.

asked by Leon
9. Chemistry

When a 6.50g sample of solid sodium hydroxide dissolves in 100.0g of water in a coffee cup calorimeter, the temperature rises from 21.6C to 37.8C. A.) Calculate the quantity of heat (in kJ) released in the reaction. (I know the answer, but can you show the

asked by Audrey
10. World History

Who benefited most from the Treaty of Brest-Litovsk. A. The provisional government in Russia B. The United States C. Germany D. Italy My Answer: C. Germany

asked by June
11. Art

What is the symbolism behind the eye at the top of the pyramid on a United States dollar, and what does this image say about America's national identity? A. The eye represent God's clarity and America's identity as a nation protected by God. B. The eye

asked by CanYouHelpMe
12. Math

The area of a trapezoid is 18sq. ft and the sum of its bases is 6 ft. Find the area of a square whose side is equal to the height of the trapezoid.

asked by URGENT
13. Astronomy

Please help! I'm really behind and need to catch up. 1. The rings orbiting the Jovian planets may have been small ____ that got too close to the planets long ago. A. Comets B. Asteroids C. Moons D. Meteors 2. What is the composition of the rings around the

asked by M
14. Chemistry

The volume equivalent of CO2(at stp)in the reaction NaHCO3+HCL=NaCL+H2O+CO2 is

asked by Mihir
15. Social Studies

Which statement best explains how life is changing in China? A. New articulture techniques are making lakes cleaner. B. People are moving away from cities to live near their hometown. C. Growing pollution is discouraging the rise of factory work. D. Strong

asked by CanYouHelpMe
16. english

Select the excerpt from "Mother Tongue" by Amy Tan that best describes language bias. 1. I've heard other terms used, "limited English," for example. But they seem just as bad, as if everything is limited, including people's perceptions of the

asked by marie
17. Math

How many letters in the word MATH have more than one line of symmetry?

asked by Young Trippy Lil G
18. Math

A trapezoidal mural with bases 11m and 9m and height 6m needs to be painted. What is the cost of painting it if a box of paint in any color is \$16 and with each box can be painted area of 12m2.

asked by VERY UREGENT
19. Math

Find 19/25 of \$25,000 A. \$2,500 B.\$15,000 C.\$19,000 D.\$1,900

asked by Savanna Reed
20. Rox

Are two kites always, sometimes, or never similar? a. Always b. Sometimes*** c. Never

asked by Geometry
21. math

One of the numbers increased by 10. How did the average of the two numbers change?

asked by Grace
22. Science

Electromagnetic and mechanical waves have different characteristics that make them advantageous for certain applications. Select the reasons that mechanical waves, such as ultrasound, are used for soft tissue imaging and to identify fractures in metals.

asked by Maya
23. Science

Which of the following boxes below represent a stable system? Describe how a disturbance to this box would affect it. Use the terms center of mass and equilibrium in your response. Box A: Shaped like a diamond on a flat surface with an arrow pointing

asked by Anonymous
24. finance

The Switch division of Tornax Inc. produces a small switch that is used by various companies as a component part in their products. Tornax operates its divisions as autonomous units, giving its divisional managers great discretion in pricing and other

asked by finZee
25. Physics

A 5g bullet is fired horizontally and hits an 8kg block of wood (initially at rest) which can move freely. The wood and the bullet move with a velocity of 0.50 m/s after impact. What is the initial velocity of the bullet?

asked by Angel
26. calculus

The region bounded by the given curves is rotated about the specified axis. Find the volume V of the resulting solid by any method. y = −x2 + 7x − 12, y = 0; about the x-axis

asked by maria
27. English

What line of dialogue best supports the analysis that Benny is unsure of himself? 1) They needed a pitcher, but I'm no good at pitching. 2) Or maybe there's some other talent that you haven't discovered yet? I think #1

asked by Evelyn
28. physics

A 9.8-kg monkey hangs from a rope, as shown in (Figure 1) . The tension on the left side of the rope is T1 and the tension on the right side is T2. In the figure, θ=15∘ and ϕ=23∘. Determine the tension T1. Express your answer to two significant

asked by anonymous
29. Physics

A thin-walled sphere rolls along the floor. What is the ratio of its translational kinetic energy to its rotational kinetic energy through its center of mass?

asked by Gigi
30. ocher

Estimate how many theoretical plates are needed to separate a mixture that has a mole fraction of B equal to 0.70 (70% B) in Figure 15.3.

asked by Allie
31. MATH AGAIN

Given: ∆ABC is isosceles m∠ACB = 120° m∠BMC = 60° CM = 12 Find: AB M is on line segment AB

asked by Grace
32. English

Which of the following sentences from "Five Hours to Simla" best illustrates the mood of frustration? (1 point) • "After the first cacophony of screeching brakes and grinding gears. there followed the comparatively static hum of engines, and drivers

asked by Bubbles
33. Business Math

A newly couple has \$15,000 toward the purchase of a house. For the type and size of house the couple is interested in buying, an estimated down payment of \$20,000 will be necessary. How long will the money have to be invested at 10% compounded quarterly to

asked by Lillian
34. science

Suppose an ideal car jack has an input work 2750 J. It lifts a car 0.35 meters in 8 seconds. a. What is the output work of the jack? b. How much power is required to lift the car? c. What is the efficiency of the jack? I can't give a answer because I am

asked by Anthony
35. physics

a photon whose energy equals the rest energy of the compton collision with an electron, if the electron moves off an angle of 40 degrees to the original photon direction, what is the energy of the scattered photon? assume all constant given. please i need

asked by brite
36. Math

A paperboy rode his bike at 3m/s. After being chased by a dog for 8 seconds, he was traveling 6m/s. What is his acceleration?

asked by Jashay
37. U.S. Government

Why did the passage of the Civil rights act of 1968 have the greatest impact on promoting racial equality in housing. Select 2 answers. A.) Because plessy v. Ferguson was reversed by browning v. board of education. B.) Because it addressed more specific

asked by Sherlock
38. english

Read this excerpt from â€œAinâ€™t I a Woman?â€ by Sojourner Truth. In which sentences does she make an emotional appeal to the audience by talking about her personal hardships? 1). I think that 'twixt the negroes of the South and the women at

asked by marie
39. Vocab

What's the root or base word of rebellious, belligerent, doctrine, document, levity, levitate, initiative, itinerary, impulsive, and compel??? Please help thanks!!!

asked by Patricia
40. math

* What is the average of the first n positive even numbers?

asked by Anonymous
41. Math

For each of the following, fill in the blank to create a perfect-square trinomial: (a) x2 −6x+ ____ y2 +7y+ __

asked by Kayla
42. Math

Use properties of logarithms to rewrite the expression. Simplify the results if possible. Assume all variables present positive real numbers. Log6(7m+3q)

asked by April
43. Health

A person who has a physical craving or strong emotional need to use alcohol is showing signs of: A)Reverse Tolerance B)Tolerance C)Rehabilitation D)Addiction***

asked by Ryleigh
44. social studies

please check my answer: why did african americans go from the rural south to northern cities starting in the late 1800s? - so they could be around other races and cultures - to change identities - to escape the discrimination and to find better jobs ** -

asked by ramen
45. Physics

A 5 gram bullet is fired horizontally and hits an 8 kilogram block of wood (initially at rest) which can move freely. The wood and the bullet move with a velocity of 0.50 m/s after impact. What is the initial velocity of the bullet?

asked by Angel
46. Creating High-Quality Centers

Which of the following statements accurately reflects what we know about facilitating science learning for infants and toddlers? A. It's important to have a science circle each week where the teacher demonstrates a science concept to the infants and

asked by Priscila
47. History

Social Studies 8 B U.S. Power in Latin America Lesson 3 unit 4 Anyone know these im so confused

asked by Side Walks
48. Creating High-Quality Centers

Superhero and war play concern many teachers. These teachers describe how they manage this type of play. Which is most effective? A. "I allow this type of play only on Fridays. On that day I have extra help to keep an eye on the play." B. "I focus on

asked by Priscila
49. Chemistry

Which elements have the greatest tendency to act as reducing agents? metals nonmetals noble gases halogens

asked by M, S, E
50. Science (HELP ASAP)

1. Which of these is not an environmental effect of building dams A. Reduced fertility downstream

asked by Ashley
51. Math

Find the exact values for the lengths of the labeled segments a, b and p drawn in green, red, and blue, respectively. Note that r=3 is the radius of the circle, and s=2 is the arc length from the point (3,0) around the circle to the indicated point. (So

asked by Kayla
52. math

Find the area of the composite figure? top is 14 left is 12 right is 10 bottom is 20

asked by Triston
53. Chemistry

in a neutralization reaction, dilute tetraoxosulphate (vi) acid completely reacted with sodium hydroxide solution.write a balanced chemical equation for the reaction

asked by Donniceski
54. chemistry

1.2 mol HCl and 3.9 mol NaOH react to this equation, HCl + NaOH=NaCl + H20 If the limited reactant id HCl, calculate the amount of NaCl formed in moles. Please help and explain how to solve this so I may understand it better please and thank you.

asked by Javier
55. Business Math

In a suburb of Houston, housing costs have been increasing at 5.2% per a year compounded annually for the past 8 years. A house with a current value of \$26,000 would have been worth how much 8 years ago?

asked by Lillian
56. Astronomy

The gravity lock of the Moon to Earth is silimar to the action of a A) giant pendulum B) spinning top C) master key D) tidal wave E) magnetic compass I'm torn between A and E.

asked by Angie
57. Creating High-Quality Centers

The sensory center can help children develop skills and knowledge in which of the following domains? A. Physical and social B. Physical only C. Physical, social, emotional, and cognitive D. Physical, social, and cognitive my answer is c.

asked by Priscila
58. History

All the following were causes of the U.S. isolationism in the 1930's except A:The economic troubles of the Great Depression B:The findings of the Nye Committee C:The passage of the Neutrality Acts*** D:The rise of totalitarian regimes in Europe Is this

asked by Marylyn
59. Social Studies

What evidence from this chapter shows how Arabs and Jews might avoid conflict? A)The land the Jews had conquered had been under the rule of the Arabs for decades, which leaves some of them longing to reclaim the land that was once rightfully theirs. The

asked by Ryleigh
60. Creating High-Quality Centers

The reading area needs to be well-stocked with quality books. A well-stocked reading area should contain which of the following? A. Three to four books per child in the classroom B. Ten books per child in the classroom C. Five to eight books per child in

asked by Priscila
61. Creating High-Quality Centers

The reading center needs to represent a variety of cultures. Which of the following teachers' responses reflects the philosophy found in your textbook? A. "I choose books that represent the cultures that are in my community. We live in a community with

asked by Priscila
62. math

Drawn in a circle whose radius is 14 cm, chord AB is 18 cm long. Calculate the angular size of minor arc AB.

asked by Paul
63. math

Given: ∆PQR, m∠R = 90° m∠PQR = 75° M ∈ PR , MP = 18 m∠MQR = 60° Find: RQ M is on segment PR 9sqrt3 is wrong(the system did not take it)

asked by Grace
64. math

Mieko practice shooting a basketball for 7/10 of her total practice time. During the other time she practiced dribbling, if she practiced dribbling for 18 minutes, how many minutes did she practice shooting?

asked by Anonymous
65. Chemistry

The volume equivalent of CO2(at stp) in the reaction. NaHCO3+HCL=NaCL+H20+CO2 is

asked by Mihir
66. ELA plez help

what statement is true about dialogue? 1.The words each character says are enclosed by quotation marks 2. the words each character says appear next to the characters name. 3. The words that the main character says appear in italics or brackets 4. the words

asked by D
67. Maths

A tank with 520L of water begins to leak at a rate of 2L per day, At the same time, a second tank is being filled at a rate of 1L per hour, starting at 0L. How long does it take for the tanks to have the same volume?

asked by todd
68. Creating High-Quality Centers

To enhance children's creativity, it's best to do which of the following? A. Teach children techniques and the proper use of tools as they're developmentally ready B. Teach children the correct way to draw an item such as a person C. Use a hands-off

asked by Priscila
69. Math

If the inflation rate averages, 3% per year compounded annually for the next 5 years, what will the car currently selling for \$17,000 cost 5 years from now?

asked by Homework Help
70. chemistry

What os the balanced equation for the reaction between ethanoic acid and water?

asked by martha
71. Creating High-Quality CentersCreating High-Quality

To enhance children's creativity, it's best to do which of the following? A. Teach children techniques and the proper use of tools as they're developmentally ready B. Teach children the correct way to draw an item such as a person C. Use a hands-off

asked by Priscila
72. physics newton

During an episode of turbulence in an airplane you feel 180 N heavier than usual. Part A If your mass is 86 kg, what are the magnitude and direction of the airplane’s acceleration?

asked by silvia
73. math

Given: ∆ABC is isosceles m∠ACB = 120° m∠BMC = 60° CM = 12 Find: AB is it 15?

asked by Anonymous
74. Math

The telephone prefix for a university is 243. THe prefix is followed by four digits. How many telephones are possible before a new prefix is needed?

asked by Anonymous
75. Math

831.Let A = (1,3), B = (6,0), and C = (9,9). Find the size of angle BAC.

asked by Paul
76. English

1. What did you learn in math class today? 2. She is a music teacher. She is very strict. 3. He is a career teacher. He is kind-hearted. 4. He is a Chinese characters teacher. He is humorous. ---------------------- Are they all correct? Do we have to

asked by rfvv
77. physics!

A (10.25) kg bowling ball is hung on a (11.50) m long rope. It is then pulled back until the rope makes an angle of (39.0)o with the vertical and released. Find the tension in the rope when the ball is at the lowest point. Give your answer in N and with 3

asked by Idali
78. math

Conversions in the Metric System

asked by Anonymous
79. Math

In a suburb of Houston, housing costs have been increasing at 5.2% per a year compounded annually for the past 8 years. A house with a current value of \$26,000 would have been worth how much 8 years ago?

asked by Homework Help
80. algebra

Problem Page The volume V of a fixed amount of a gas varies directly as the temperature T and inversely as the pressure P. Suppose that V=42 cm to the 3,when T=84 kelvin and P= 8kg over cm squared. Find the temperature when V=74 cm cubed and P= 10 kg over

asked by rebecca
81. History

How did the outcome of the Battle of Midway influence the course of WWII? A: Discouraged U.S. troops in the Pacific, contributing to the decision to focus on Europe. B:Enraged the Japanese public, leading to the bombing of Pearl Harbor. C:It ended American

asked by Marylyn
82. OChem

Suppose a student obtained a 0.15g of cruse salicylic acid. How much water would be needed to just dissolve it at 75 degrees Celsius? How much salicylic acid would remain dissolved in that amount of water at just 10 degrees Celsius? What percent of the

asked by Sarah
83. 5th grade Math

Tyler’s father has 10 boards that are each 7.8 feet long. He plans to cut as many pieces as he can from the boards to make some siding for the porch. Each piece of wood for the porch must be 2.25 feet long.How many pieces can Tyler’s father cut from

asked by Mysterious Beauty
84. Creating High-Quality Centers

Which of the following teachers is using the computer most effectively? A. "I use the computer to manipulate figures and place the actual hands-on manipulatives nearby." B. "I use the computer so that children can manipulate geometric figures." C. "I

asked by Priscila
85. history

You work for president Lula's government. You most likely support? Tax cut for corporations. Privatization of Industry. Redirection of oil wealth to provide social services. budget cuts to education and health care

asked by helpconnexus
86. Creating High-Quality Centers

Which of the following teachers is providing the children in the classroom the needed opportunity to develop skills through block building? A. "I have a small classroom so I rotate the block and dramatic play center since children develop the same skills

asked by Priscila
87. Java

Which of the following classes best represents rare and serious internal system errors? Error Throwable RuntimeException Exception I think it may be Error or Throwable. Been having alot of trouble with this class lately, help would be appreciated. ~Thank

asked by Anonymous
88. Math

Describe the difference between measure of center and measure of variation.

asked by Kailey
89. Social Studies

What is the main cause of growing population levels in China? A. China has the largest population in the world. B. The government is moving villages to make more park land. C. New factories and ways of life are producing more waste.** D. More and more

asked by CanYouHelpMe
90. Physics ( oscillations and waves)

two collinear harmonic oscillations are X1= 8 sin( 100pi *t) and X2= 12 sin(96 pi *t) are superposed. calculate the values of time when the amplitude of the resultant oscillation will be maximum and minimum

asked by Pavan s m
91. Chemistry

By titration, 66.6 mL of aqueous H2SO4 neutralized 11.4 mL of 0.465 M LiOH solution. What was the molarity of the aqueous acid solution?

asked by Lane
92. Math

Mrs. Sue, help me please.

asked by Luly
93. physics

During an episode of turbulence in an airplane you feel 180 N heavier than usual. Part A If your mass is 86 kg, what are the magnitude and direction of the airplane’s acceleration? 2sf

asked by ana
94. MATH

WHAT IS THE LENGTH OF THE YARN TO THE NEAREST INCH A. 1 INCH B. INCH 2 C.INCH 3 D.INCH 4 THAT ALL THE ANSWER THAT'S ON MY WORK PLZ HELP ME THXS GUYS GIRL'S AND BOY'S

asked by REAWEN
95. Math

A trapezoidal mural with bases 11m and 9m and height 6m needs to be painted. What is the cost of painting it if a box of paint in any color is \$16 and with each box can be painted area of 12m2.

asked by URGENT PLEASE HELP
96. physics

How much energy is absorbed when 10g of ice at 0degree Celsius becomes steam at 100 degree Celsius?

asked by ananya
97. math

Given: ∆ABC is isosceles m∠ACB = 120° m∠BMC = 60° CM = 12 Find: AB M is on line segment PR

asked by Grace
98. math

On saturday, Ana worked 1/4 of a day. On sunday she worked 1/3 of the day. what part of day did she work both days?

asked by dee
99. maths

a student wals 5km due north from O and then 8km due east find his bearing from O

asked by tope
100. math

the scale of a map is given as 1:20,000 two cities are 5cm apart on the map. find the actual distance between them

asked by me ali
101. math

A frame is 4in. tall in wide. If it is enlarged to a height of 16in., then how wide will it be?

asked by Anonymous
102. Present perfect tense

His dad _______ for about ten years. a. has been away from home b. left home c. has gone Ans: a.has been away from home Please help to check, thanks & regards.

asked by deyond ng
103. English

I need the 1900 The Lady Daffodilia full story, complete text. Anyone know where I can go to read it for free?

asked by Acasia
104. Homework Help Math

Q. marx's clothing store is selling a lot of items. On Monday 495 items were sold. On Tuesday 450 items were sold. On Friday 593 items were sold. Marx's misplaced the totals for Wednesday and Thursday, but the average over the five days was 494 items per

asked by mimi
105. science

Suppose an ideal car jack has an input work 2750 J. It lifts a car 0.35 meters in 8 seconds. a. What is the output work of the jack? b. How much power is required to lift the car? c. What is the efficiency of the jack?

asked by Anthony
106. Math

A father who is 42 years old has a son and a daughter. The daughter is three times as old as the son. In 10 years, the sum of all their ages will be 100 years. How old are the two siblings at present?

asked by Teddy
107. math

A frame is 4in. tall and 3in. wide. It it is enlarged to a height of 16in., then how wide will it be?

asked by Anonymous
108. chemistry

What is the balanced equation of the reaction between ammonium ion amd water?

asked by martha
109. algebra

determine the numerical measure of each angle of parallelogram x+40 3x-20 x= m/_M= m/_I= m/_L= m/_K=

asked by james
110. Spelling

What is the answer to this analogy: Rope is to string as string is to ______?

asked by Emma
111. science

a car is used to move a crest of mass of 645kg on a horizontal road the horizontal force exerted is 15000n the coefficient of kinetic friction is 0.8 calculate the acceleration of the car

asked by refilwe
112. Math

A trapezoidal mural with bases 11m and 9m and height 6m needs to be painted. What is the cost of painting it if a box of paint in any color is \$16 and with each box can be painted area of 12m2.

asked by HELP
113. Maths

There are 2 towers that are each 10m high.Â A rope that is 15m long is strung between the tops of the towers.Â At its lowest point the rope sags 2.5m above the ground (see schematic diagram).Â How far apart are the towers?

asked by Anonymous
114. Math

On a map,the scale is 3 centimeters: 120 kilometers. The distance between two cities on the map is 6.8 centimeters. What is the distance between the actual cities in kilometers?

asked by Myah
115. algebra 2

what is the inverse of the function f(x) = 6+x ----- 2x

asked by tom
116. Maths

Water is flowing at a rate of 15 km/hr through a cylindrical pipe of radius 7cm into a rectangular tank which is 50m long and44m wide. In how many hours will the water level in the tank raise by 21 cm?

asked by Anonymous
117. Math

Use properties of logarithms to rewrite the expression. Simplify the results if possible. Assume all variables present positive real numbers. log2(2squareroot 3/5)

asked by April
118. math

You play a game in which two dice are rolled. If a sum of 7 appears, you win \$10. Otherwise you lose \$2.00. If you intend to play the game for a long time should you expect to make money, lose money or come out even?

asked by shell
119. chemistry

A 20ml hydrochloric acid is diluted by 80ml of distilled water, what would be the pH of the hydrochloric acid after the dilution?

asked by martha
120. English

1. What did you learn in math class today? 2. She is a music teacher. She is very strict. 3. He is a career teacher. He is kind-hearted. 4. He is a Chinese characters teacher. He is humorous. ---------------------- Are they all correct? Do we have to

asked by rfvv
121. chemistry

How does ammonium ion act as an acid in the reaction between ammonium ion and water?

asked by martha
122. Creating High-Quality Centers

Which of the following would assist toddlers to learn one-to-one correspondence? A. Number cards to trace B. Pegs and pegboards C. Play dough to create letters D. Old calculators My answer is b.

asked by Priscila
123. Math

A trapezoidal mural with bases 11m and 9m and height 6m needs to be painted. What is the cost of painting it if a box of paint in any color is \$16 and with each box can be painted area of 12m2.

asked by HELP
124. physics

can someone help me with physics lab homework please: load 300 g at 60 degree mass at 180 deg 150 g mass at 270 deg 260 g for step two resolution of 300-g at 60 degree f load= fx'= fy'=

asked by LISA
125. chemistry

What will be the pH of hydrochloric acid after 0.01M of hydrochloric acid is diluted by the addition of 80ml distilled water?

asked by martha
126. chemistry

What is the balanced equation for reaction between hydrochloric acid and water?

asked by martha
127. Chemistry

Please help me these are the only two I have left. 17. If the solubility of a gas is 5.6 g/L at 505 kPa pressure, what is the solubility of the gas when the pressure is 1010kPa? * 19. Calculate the [H⁺] for the aqueous solution in which [OH⁻] is 1

asked by Lydia
128. DISCRETE MATH FOR IT

Write a negation for the following statement: For all x , if x ∈ A ∩ B then x ∈ B.

asked by Mark
129. physics help

A 1.2-kg block slides on a horizontal surface with a speed of v=0.80m/s and an acceleration of magnitude a=3.2m/s2, as shown in (Figure 1) . av What is the coefficient of kinetic friction between the block and the surface? Express your answer to two

asked by anonymous
130. Science

Draw a dot plot representative of a flow cytometry test that looks at two markers. One marker is diagnostic, while the other marker is prognostic. Identify and name your markers and their detecting antibodies. Complete the plot as you wish and correctly

asked by Moe
131. m240

Determine the degree and the leading coefficient of the polynomial function f(x) = -2x3 (x - 1)(x + 5). A. 5; -2 B. 7; -4 C. 2; -5 D. 1; -9 My answer is A is this correct.

asked by sandra
132. math

the scale of a map is given as 1:20,000 two cities are 5cm apart on the map. find the actual distance between them

asked by Anonymous
133. Science

When plants grow toward sunlight they____ A. Live longer B. Get more light C. Get smaller D. Die faster

asked by Ashley
134. Physics ( oscillations and waves)

a stretched string is observed to vibrate with frequency 30Hz in its fundamental mode when the supports are 60cm apart. the amplitude at the antinode is 3cm.the string has a mass of 30kg.calculate the speed

asked by Pavan s m
135. Chemistry

A 14.7 mL sample of 0.0550 M KOH solution required 55.5 mL of aqueous acetic acid solution in a titration experiment. Calculate the molarity of the acetic acid solution.

asked by Lane
136. Science

Hybridisation of C in [ CH triplebond C sinlebond CH doublebond CH2 ]

asked by Karuna
137. chemistry

A titration to standardize a HCl solution was performed by taking 50.0ml hydrochloric acid in a flask with a few drops of phenolphthalein indicator. The burette was filled with 0.15 molar NaOH. The initial reading of the burette was 0.50ml and the final

asked by martha
138. Chemistry

How many grams of KI must be added to a 250-ml volumetric flask to prepare a water solution that is 0.100 M in potassium iodide?

asked by Miranda
139. m240

All rational functions can be expressed as f(x) = p(x)/q(x), where p and q are __________ functions and q(x) ≠ 0. A. horizontal asymptotes B. polynomial C. vertical asymptotes D. slant asymptotes My answer is B is this correct.

asked by sandra
140. chemistry

How can lime be used yo improve the quality of soil degraded by industrial pollution?

asked by martha
141. Math

The graph of x2 −6x+9+y2 +2y+1 = 25 is a circle. Where is the center of the circle? What is the radius of the circle?

asked by Paul
142. Maths

What is the capacity of a cylinder tank of diameter 3.5m and height 4m in litres (pie22/7)

asked by john
143. Math

If D represents distance you travel, R represents the rate you are moving, and T represents the time you travel, write a formula for 1) Distance 2) Rate 3) Time

asked by Tyler
144. Algebra 2

Are a rational expression and its simplified forms equivalent? Provide mathematical examples to support your opinions. You may use tables or graphs to organize and present your thoughts. Can somebody give me some guidance for answering this question or

asked by Fading
145. Math

A Typist Can Type 120 Words In 100 Seconds. At That Rate, How Many Seconds Would It Take To Type 600 Words? Minutes?

asked by Le-Anne
146. Software Engineering

Create an automatic question paper generator system in JAVA which involves Artificial Intelligence with the following requirements:  The system should generate a test paper automatically based on the difficulty level. For this create a fake data for 25

asked by Siddartha
147. maths

In a group of 50students,35 students like only one subject out of english & science.The ratio of students who like both & who dont like both is 1:2.Find the number of students who like both the subject.

asked by abhisehk
148. help

if fred took a 40 N weight and dropped it from 10 meters. what would be the potential energy before he released it a 400j b 40 n-m c 392 n-m d 3920 j e 4000 j

asked by erika
149. physical science

a 500 kg elevator is lifted 10. How much work was done a 50 j b 50 j /kg c 5000 j d 5000 j/kg degree c

asked by erika
150. physics

a point mass of 12.5 kg is hung from an 18.3 m long rope and swings back and forth with an amplitude of 2.34m. what is the oscillation period for the pendulum system?

asked by Anonymous
151. math

a line segment in a coordinate plane with a length of 76 units was rotated 60 deg about the origin and then translate 10 units to the left. what would be a resulting length of the segment after these transformation

asked by johnsa
152. Science:Just need quick help

I am very tired and can hardly think straight. Thanks in advance to those who help. The amount of each size particle in soil is the particle size distribution. Is putting soil and/or sand in a bottle of water a good way to determine particle size

asked by Tori
153. algebra

Solve 3x+10>=4 A. x>=-2 B. x

asked by Emily
154. science

1) At body temperature of 36.5 ° C the osmotic pressure of the blood is of 7.80 atm. Calculate the mass of glucose (C6H12O6) that must be added to one liter of a solution containing 5 g / L of NaCl to be able to inject directly into a vein.

asked by michael
155. Math

Sove the logarithmic equation x=log100(10)

asked by April
156. PHYSICS

can someone help me with physics lab homework please: load 300 g at 60 degree mass at 180 deg 150 g mass at 270 deg 260 g for step two resolution of 300-g at 60 degree f load= fx'= fy'= percent error for each component for setup II? WOULD THE HYPOTHETICAL

asked by LISA2
157. chemistry

What is the difference between the reaction of hydrochloric acid and water amd ethanoic acid and water?

asked by martha
158. chemistry

What is the name of the acid produced when CO2 reacts with water?

asked by martha
159. math

Use mathematical induction to prove that for all integers n ≥ 5, 1 + 4n < 2n

asked by abosgr
160. Math

If a water reservoir is 5ft in height and 3ft in circumference (cylindrical shape).How much water will it contain in litres.

asked by Riaz
161. Social studies

An organized army made up of honest men

asked by Mildred
162. Language Arts?

I am applying or a Med Camp at Penn State and I have to write a thesis. This is what I have so far. "I have always been interested in the medical field. I remember when my dad used to take me hunting, we would gut the animal and I would always be asking

asked by Sherlock
163. mathematics

determine the equation of a straight line gradient is 3 and the point (2,1)

asked by ghaddafi
164. chemistry

What will be the color of litmus paper when tested with lime?

asked by martha
165. Math

.For (a), find center and radius. For (b), explain why it has the same graph as (a). (a) (x−5)2 +(y+3)2 =49 (b)x2 −10x+y2 +6y=15

asked by Kana
166. math

One rectangle is twice as long as it is wide. The second rectangle is 3cm longer than the first one, and 1cm narrower than the first one. The areas of both rectangles are the same. What are the dimensions of the first rectangle?

asked by hari
167. Comprehension

To see the outline of a building as its shadow is cast on the lawn of a park is always amazing to see. When the sun rises perfectly centered at the end of an avenue lined with beautiful buildings, it can make a person stop dead in their tracks to admire

asked by deyond ng
168. Engineering Mechanics of Composite Materials

A long and thin circuit interconnect of thickness t=0.5mm is to be made from a unidirectional glass/epoxy composite material (E1=60 GPa, E2=10 GPa, V12=0.3 and G12=10 GPa). If the interconnect is subjected to a biaxial normal stress (in the fiber direction

asked by Khal
169. Math

50 is what percent of 125? ___% I got 2.5 but I know for a fact that's not write cause I checked.

asked by Madi
170. Math

The Johnson brothers company has lost \$240 for 6 straight weeks. Use integer's to write an expression to represent the total losses. Simplify the expression.

asked by Tyler
171. physical science

If sam drops a 40 kg mass from a height of 20 meters on earth how much was the potential energy of the mass before he dropped it a-800 j b-784 n-m c-800 n-m d-7840 j e- 200 j

asked by erika
172. chemistry

What is the gas produced when lime is heated?

asked by martha
173. Plate tectonics

Explain how earthquake sizes are connected to the three types of plate boundaries

asked by Crystal
174. Math

Write an equation for the circle that is centered at (−4, 5) and tangent to the x-axis.

asked by Kana
175. English

Whose bicycle is in the driveway. (Is a fragment sentence)

asked by Razah
176. help

work is measured in which of the following units a n b n-m c m d kg m/sec /sec

asked by erika
177. help

do you check papers

asked by help
178. science

If sam drops a 40 kg mass from a height of 20 meters on earth how much was the potential energy of the mass before he dropped it a-800 j b-784 n-m c-800 n-m d-7840 j e- 200 j

asked by erika
179. algebra

-1/5x+5/2=11/5

asked by Anonymous