Questions Asked on
September 28, 2015

Computer science
Need help on how write this program. "The Eversoft Eraser Company has a list of its customers’ names (not necessarily in alphabetical order) and telephone numbers in a file named "customer" with records of the following form: last_name (String),
asked by Poohboi 
Art
Achille De gas in the Uniform of a cadet by Edgar Degas How was the proportion used in this image? A) to create a mood of tranquility B) to create an optical illusion C) to create a sense of perspective in the image D) to make sure the person was drawn
asked by Ana 
Art
At the water´s edge by Paul cézanne This painting is a good example of A) creative use of brushstroke for textures. B) usage of warm color for mood. C) asymmetrical balance for unity. D) line for creation of emphasis. i think the answer is B please help
asked by Ana 
Math
Survey the population or use a sample,you want to know the type of computer, if any, that each student in your class has at home?
asked by Michelle 
chemistry
a balloon filled with helium gas occupies 2.50 L at 25C and 1.00 atm. When released, it rises to an altitude where the temperature is 20C and the pressure is only 0.30 atm. Calculate the new volume of the balloon.
asked by hayley 
AP Chem. Please Help
Consider the cell Pb(s) PbSO4(s) SO4(2) (aq , 0.60 M) H+(aq , 0.70 M) H2(g , 192.5 kPa) Pt. If E◦ for the cell is 0.36 V at 25◦C, write the Nernst equation for the cell at this temperature. I do not understand this at all right now.
asked by AllysonR99 
AP Physics
A car enters the freeway with a speed of 6.9 m/s and accelerates uniformly for 2.7 km in 3,7 min. How fast is the car moving after this time? Answer in units of m/s.
asked by Natasha 
Chemistry
The question says: when .422 g of phosphorus is burned, .967 g of a white oxide is obtained. Determine the empirical formula of the oxide. I did the calculations and got that there would be 1 mole Phosphorus and 4.29 mol Oxygen. To get the empirical
asked by Amelia 
Physics
How do I calculate the upper limit and lower limits in order to obtain F(max)and F(min)for the problem below. Using the force F = (1/2)CApv^2 on the car due to air friction. Consider a car with front crosssectional area of A=(1.77 ± 0.02)m^2 and a drag
asked by NONEE 
AP chemistry
Hydrogen sulfide decomposes according to the following reaction, for which Kc = 9.30 108 at 700°C 2 H2S(g) 2 H2(g) + S2(g) If 0.51 mol H2S is placed in a 3.0 L container, what is the equilibrium concentration of H2(g) at 700°C?
asked by Canaan 
Chemistry
cube of aluminum that measures 5 cm on each side is added to a 500 ml graduated cylinder containing 200 ml of water. What is the new level of the water in the graduated cylinder after the cube of aluminum is added?
asked by Sammie 
chemistry
A student determines the zinc content of a solution by first precipitating it as zinc hydroxide, and then decomposing the hydroxide to zinc oxide by heating. How many grams of zinc oxide should the student obtain if her solution contains 38.0 mL of 0.501 M
asked by Julian 
math
the square of the sum of two consecutive positive even integer is greater than the sum of their square by 48. Find two integers.
asked by Anonymous 
English
1. I am good at mimicking others. I want to mimick President No Muhyeon for the elderly people. 2. I am good at walking on my hands. I want to walk on my hands to surprise the elderly people. 3. I am good at doing hard work. I want to carry heavy things
asked by rfvv 
Math
An auditorium contains 315 occupied seats and was 7/9 filled. How many empty seats were there?
asked by Claire 
math
a ticket for an adult visiting an exhibition cost X. a ticket for a child cost $30 less than an adults ticket. write down, in terms of x, the cost of a child's ticket.
asked by rajiv 
Math
On a ruler that measures both metric and English units, we see that 1m=39.37 in. This implies that 2m = 78.74 in. Use this information to write an equation to convert x in. to y meters.
asked by Brian 
chemistry
how i can prepare 0.6M 6H3PO4(250ml).
asked by mostafa 
Physics
Hi. Can someone please help me on how to do the propagation of error in physics on variable C, d and A of the following formula: k = Cd/åA , with error on C, d, A
asked by NONEE 
Integration need help
Integrate sin6xcos5xdx?
asked by Collins 
Math
True or false 1. (A^3)^2= A^9 2. (4^3 x 5^2)= 20^12 3. (B^9)^2 = (b^2)^9 4. 11^2= 121 5. (C^2)^3= C^8 6. (3^2 x 9)^3 = 3^12 7. (2 + 3)^3= 5^3 8. (4+5)^3= 4^3 + 5^3 Simplify each 1. A^4 x a^7 2. B^3 x b^4 x b^5 3. c^4 x c^4 x c^8 4. (3d^3) (2d^6) (4d^9)
asked by needhelp 
math
The length of a rectangle is 9 feet longer than its width. If its perimeter is 82 feet, what is its width?
asked by shaneika 
math
The sum of two numbers is 62. Twice the first minus the second is 41. Find the numbers.
asked by shaneika 
math
4) The distance needed to bring a truck to a stop varies as the square of its speed. If a truck travels at a speed of 55 mph it needs 79 feet to stop. What is the stopping distance of the truck travelling at 70 mph? 5) A principal of $7000 is invested in
asked by shaneika 
physics
if a car moves 12km North, 19km East, and 12km South, a) Find the total distance covered. b) Find the car's displacement.
asked by tracy 
Math
A 274cm timber is cut into three pieces in the ratio 3:7:11,find the length of each ratio.
asked by Donnish Femi 
differential equation
solve using linear 3ydx=(3x^21)(dxdy)
asked by rekl 
math
the area of a rhombus jointly as the length of the two diagonal.transform to the equation of variation?
asked by nairda 
math
the area of a rhombus jointly as the length of the two diagonal.transform to the equation of variation?
asked by Anonymous 
integration
integral of 3/13x^2
asked by rekl 
math
can someone help me figure these literal equation out? I did them before but my teacher said they were incorrect. Questions~~ Solve the following formula for the variable indicated 9. r = d/t, where r = rate, d = distance, and t = time for d ( I didn’t
asked by Abby 
Honors Physics 1
When the Sun is directly overhead, a hawk dives toward the ground at a speed of 4.26 m/s. If the direction of his motion is at an angle of 35.7◦ below the horizontal, calculate the speed of his shadow along the ground. Answer in units of m/s.
asked by Lal 
Math
1. Which exponent makes the statement true? 1/5^9 = 5^? a. 9 b. 9 c. 1/9 d. 1/9 2. y^5 x y^14 a. 2y^19 b. y^60 c. y^19 d. 2y^60 3. w^12/w^18 a. w^30 b. w^30 c. w^6 d. w_6 FYI the "^" is a sign for exponent. I don't understand any of these.
asked by Karolina 
Math, Differential Equation
3ydx= (3(x^2) 1)(dxdy). Solve by Linear. Thanks!
asked by Jhun 
psychological test and measurements
if the range of one or both variables is restricted, the resulting correlation coefficient will likely: a.be decreased b. be increased c. remain the same d. either increase or decrease depending on the calculations. i chose c
asked by val 
Math
1.4m = 2.1
asked by Jason 
LA
i am writing a story about my pet and i need help i am not sure if this is good Help!! My Pet Rexie I have known Rexie ever since my baby brother was born. I remember it like it was yesterday; we had just gotten home from school and in my father’s hands
asked by Sofia 
Math
The difference between threefourths and three fifths of a number is 9. Determine the number.
asked by Noor 
Social Stuides
What is one way that the United Nations shapes world affairs
asked by Zach 
Math
Divide Rs 300 between Hena and Rina such that Rina gets 100 less than 3 times of what Hena gets.
asked by Noor 
math
What are the important variables in the problem below? A test is worth 50 points. Multiplechoice questions are worth 1 point, and shortanswer questions are worth 3 points. If the test has 20 questions, how many multiplechoice questions are there?
asked by aaron 
Math
Hayden had 2 1/2 gallons of water in his watering can. The seed packet said to use 1/4 of a gallon for peppers and 5/8 of a gallon for tomatoes. Hayden then used some of the water for lettuce. If Hayden had 3/4 gallons of water left over, about how much
asked by iris 
Math
Rs 144 is distributed among 2 boys and 3 girls in such a way that each boy gets tree times of what each girl gets. Find how much each boy should get.
asked by Noor 
Honors physics
A person walks 24.0◦ north of east for 3.24 km. Another person walks due north and due east to arrive at the same location. How large is the east component of this second path? How large is the north component of this second path? Answer in units of km.
asked by Lal 
SS please check and help
What different reasons did the European nations have for exploration? Provide at least one example specific to Spain, France, and Britain. Where did Spain, France, and Britain choose to settle while exploring? Why did they settle these particular areas? MY
asked by Noel 
Math
If 3 is distributed from a number and the remainder is multiplied by 13, the product becomes 91. Find the number.
asked by Noor 
Science
Why is the use of the inquiry process a practical way to approach science? 5 points My Answer: The inquiry process is a practical way to approach science because the inquiry process begins by asking questions and moving on from there. In science it is
asked by Simon 
Math
Divide 120 into two parts, so that thrice the smaller one is equal to twice the larger one.
asked by Noor 
Math
The sum of three consecutive positive integers is 315. Find the numbers. ( Hint: x, x+1, x + 2 )
asked by Noor 
Math
If 7 times a certain number is subtracted from 630, the remainder is thrice the number. Find the number.
asked by Noor 
mechanics
find the angle between A=5i3j+2k and B=0i2j2k?
asked by saleem abbas 
maths
How many red beads would there be in a pattern with 78 blue beads?
asked by karla 
Algebra 1
What are the two quantities that should be measured to find the rate at which water flows out of a shower head? Explain how the rate can be determined. Thanks!
asked by Katie 
Aths
Convert the following measurements to the units specified
asked by Reem 
health
Why is it important to recognize hunger versus an appetite? a. if you eat to many calories you will lose to much weight b. you should only eat as many calories as your body needs c. hunger makes you eat on emotion not nutrition d. your appetite tells you
asked by khandrel 
Chemistry
Ammonia may be oxidised to nitrogen monoxide in the presence of catalyst according to the equation 4 NH3 + 5 O2 gives 4 NO and 6 H2O. If 27 litres of reactants are consumed , what volume of nitrogen monoxide is produced at the same temperature and
asked by b.s. chandrshekar 
Math
f(x) = x^3 + 5x^2 + 7x + 3 = (x + 1)(x + 1)(x + 3) What is the multiplicity of the root –1? 2 1 4 3
asked by Sara 
Science PLEASE help!
What is the difference between a scientific theory and a scientific law?
asked by Grace 
chemistry
Predict which pure substance has the following chemical and physical properties: white solid at room temperature, high melting point, soluble in water, highly conductive when dissolved in water, reactive with acids, and high pH. A) zinc oxide B) sodium
asked by Jacob Harver 
Math
Hi, I need help with a question. Can someone please explain it to me? In a certain county, the number of charter schools is 11 less than twice the number of Alternative schools. There are 35 charter schools in the county. Which of the following equations
asked by PLEASE HELP THIS IS URGENT 
Science
In ferns, the sporophyte produces(1 point) A.)CONES,WHICH GROW INTO A GAMETOPHYTE B.)GAMETES, WHICH GROW INTO A GAMETOPHYTE C.)SPORES, WHICH GROW INTO A GAMETOPHYTE D.)SEEDS, WHICH GROW INTO A GAMETOPHYTE ?
asked by DJ 
Math
Imagine that you are standing on the ground 15 feet away from a flagpole. If the top of the flag is 25 feet high, which equation represents the angle θ your feet make with the top of the flag?
asked by Rochelle 
Science
Angiosperms & Gymnosperms both produce? A.)Flowers B.)Cones C.)Spores D.)Seeds
asked by DJ 
PreAlgebra
At a halftime show a marching band marched in formation. The lead drummer started at a point with coordinates (2,5) and moved three steps up and 1 step right. Write a rule to describe the translation. What were the coordinates of the drummers final
asked by Drew 
Iqhawelesizwe combined school
Identify four environmental issues that cause illhealth
asked by Senzo myeni 
Help me! Geometry
A design on the surface of a balloon is 5 cm wide when the balloon holds 71 cm^3 of air. How much air does the balloon hold when the design is 10 cm wide? Explain the method you use to find the amount of air. How would I solve this step by step?
asked by Alexa 
Kitondo boys
A triangle has vertices X(2,2) ,Y(4,2)and Z(3,4).The triangle is enlarged by a scale factor 2 through the origin.What are the coordinates of the image?
asked by eric 
Science
which pair of terms correctly completes the diagram with (a) before "spores" and (b) after "spores"
asked by DJ 
Science
What are the advantages and disadvantages of Mathematical model  disadvantage: it often cannot account for all possible factors Advantage to a mathematical model is it can be applied to categories of any size and can predict complex events Physical Model
asked by Sue 
PIMA
Calculate Cholestyramine 20% ointment to make 100 gm. Base: Petroleum
asked by Johnson 
need to balance equation
ZnSO4.xH2O(s) > ZnSO4(s)+xH2O(g)
asked by sami 
Dependent/independent
In a gummy bear experiment a solution of hot water and acid is used to see which solute would make the gummy bear dissolve faster. What is the dependent variable? Gummy bear Independent variable: hot water, and acid
asked by Sue 
Science
a gummy bear experiment a solution of hot water and acid is used to see which solute would make the gummy bear dissolve faster. What is the dependent variable? Gummy bear Independent variable: hot water, and acid
asked by Sue 
need help with thsi equation
ZnSO4.xH2O(s) > ZnSO4(s)+xH2O(g)
asked by sami 
2nd Law Physics
You fashion a sling shot with a rather long and wide rubber band and practice hurling pebbles. You pull back on the center of the band with a force of 2.31 N. The angle between the two halves is 107°. What is the tension in the band? I get the gist of
asked by Anna 
SCIENCE
which of the following allows a plant's vascular system to work as a transport system? A. a plant's vascular system is made up of specialized cells that move around the plants as it grows. B. a plant's vascular system is made up of specialized cells that
asked by I NEED HELP FAST! 
Art
How is graffiti typically used as an art form? Walls are painted to blend in with the surroundings History recorded in an open minded way Individuals express there social and political opinions*** Utilitarian art is crated two dimensions.
asked by Shalee ^~^ 
math
A recipe asks for5/9 cup of granola. How much is needed to make 8/7 of a recipe
asked by naya 
Physics
A skier speeds down a smooth ski slope which is at an angle of θ = 21° with the horizontal. The mass of the skier is 75 kg. Take the downhill direction to be positive and uphill to be negative. What is the net force acting on the skier? Ok, so I have set
asked by Anna 
Math Help
Which binomial is a factor of f(x) = x^4 – 3x^3 – 28x^2 + 36x + 144? (x – 4) (x + 3) (x – 2) (x – 6) I think its the 4th one
asked by Sara 
Social Stuides
Write a paragraph telling how each excerpt below reflects U.S. values and the conflicts between ideals and reality.
asked by Alyssa 
PreAlgebra
What is the sum of 5/6+2/3? A)1 1/3 B)1 1/2 C)1 2/3 D)1 3/4
asked by Grace 
math
can someone show me how to figure these literal equation out? I did them before but my teacher said they were incorrect. Questions~~ Solve the following formula for the variable indicated 9. r = d/t, where r = rate, d = distance, and t = time for d ( I
asked by Abby 
Geometry
A carpenter cut the top section of a window frame with a 37degree angle on each end. the side pieces each have a 50 degree single cut at their top sides. Will the side pieces of the frame be parallel?
asked by Steve 
Science
Three major branches of earth science: Meteorology Geology Oceanography
asked by Sue 
math
which is a irationaal? a. 0.117117117......** b.0.8596876205.... c.0.812812812812.... d. 0.605605605..... what is 0.32 written as a fraction in simplest form? a.32/100*** b.8/25 c.100/32 d 16/25 plz help
asked by kayla 
Physics
A child rides a toboggan down a hill that descends at an angle of 15.5◦ to the horizontal. The hill is 48.1 m long. What is the vertical component of the child’s displacement? Answer in units of m.
asked by Lal 
social studies
What type of boundary mark the border between new York and Connecticut?
asked by urvi 
Math HELP!
How do I show my work as to identify the vertex, axis of symmetry, and x intercepts? g(x)= x^2 +2x +1
asked by Jess 
world geography in ga
Places and Regions Which ethnic group is most widely spread throughout the region? Which groups dominate Iran and Afghanistan? s What major cultural feature is common throughout the region? What other cultural features could you use to further divide the
asked by sahsa 
world geography in ga
which ethnic group can you most identify physically? which ethnic group can you identfy culturally?
asked by sahsa 
Social Studies
Which statement best explains why nationstates write constitutions? Constitutions give citizens unlimited powers Constitutions establish nationstates Constitutions allow governments to elect leaders Constitutions help keep government fair Is the answer
asked by Julian 
Physics
A car travels 3.0km due south and then 4.0km due west.what is it displacement from the starting point?
asked by Kazekage carter kumo 
English 301
What is the theme of Home Place by Guy Vanderhaeghe?
asked by Alex 
Business Math
You are the manager of World Wide Athlete, a chain of six sporting goods shops in your area. The shops sell 12 racing bikes per week at a retail price of $679.99. Recently, you put the bikes on sale at $599.99. At the sale price, 15 bikes were sold during
asked by Vic 
math
Find y particular of the ODE y"+y'=x+sin(2x)
asked by NONEE 
Physics
Please answer my question
asked by Kazekage carter kumo 
Algebra
X+4=square root of 5
asked by Carter 
Physics
A car travels 3.0km due south and then 4.0km due west.what is it displacement from the starting point? A)8km B)5km C)52km D)15km i think it is B
asked by Kazekage carter kumo 
physics
Two racing boats set out from the same dock and speed away at the same constant speed of 119 km/h for half an hour (0.500 h), the blue boat headed 26.8° south of west, and the green boat headed 41.4° south of west. During this halfhour (a) how much
asked by molly 
Math
Evaluate: 15+z, if z is equal to 7
asked by Amy 
math
Can someone show me how to answer this question? Please? I would really appreciate any help you can give baseball statistics~~ “According to an Associated Press study, the average MLB salary will break the $4 million mark for the first time in 2015,
asked by Abby 
Law
What are five remedies to a Charter breach ?
asked by Anonymous 
Physics
A 124kg balloon carrying a 22kg basket is descending with a constant downward velocity of 25.2 m/s A 1.0kg stone is thrown from the basket with an initial velocity of 11.7 m/s perpendicular to the path of the descending balloon, as measured relative to
asked by Anonymous 
English
1. They have information desks at the Namdaemun Market. 2. They have information desks at Namdaemun Market. 3. They have information desks in the Namdaemun Market. 4. They have information desks in Namdaemun Market. ============== Which expressions are
asked by rfvv 
math
plzz help I do not understand a certain computer can perform 10^5 calculation per second. how many calculation can it perform in 10 seconds???
asked by kayla 
prealgebra
85y=129y
asked by Anonymous 
Chemistry
4.760 g of a substance (containing only C, H, and O) is burned in a combustion analysis apparatus. The mass of CO2 produced is 1.276×101 g, and the mass of H2O produced is 3.134 g. What is the empirical formula of the compound? I keep getting CH5O2, which
asked by Sarah 
English
1. Cellphones also have many functions like going on the Internet. 2. Cellphones also have many functions like logging on the Internet. 3. Cellphones also have many functions like logging in on the Internet. ================================ Are they all
asked by rfvv 
physics
A 8.74kg hanging weight m2 is connected by a string over a pulley to a 5.00kg block m1 that is sliding on a flat table. If the coefficient of kinetic friction is 0.190, find the tension in the string.
asked by lucas 
Chemistry
1. Write 86,400 s in exponential notation. My answer: 8.6400 x 10^4 s 2. Write 0.15 ns using exponential notation with units of s. My answer: 0.15 x 10^9 3. 141000 g =? kg My answer: 141 kg 4. Write 1.4 Mg using exponential notation with units of g. My
asked by Anonymous 
Math(ANSWERCHECK)!!
percent error formula= experimental value accepted value / accepted value * 100% % error = 0.846 g/mL  0.78948 g/mL / 0.78948 g/mL *100% = 7.31 % Is 7.31% correct or was there a calculation mistake?
asked by Jess 
History
. Which statement best summarizes New Mexico's population changes after World War II? A)The population of the state almost doubled between 1940 and 1960. B)New Mexico's population grew quickly before the war but slowed afterwards. C)Most people who moved
asked by Appreciated Help 
English
What is the definition of the word "denizens"? actors environmentalists deserters inhabitants*** ***  My Answer
asked by Kaai97 
History
1) Which of the statements describes someone who would have been most likely to move to New Mexico after World War II? A)a Pueblo woman who lives near Santa Fe B)a college student in nearby Colorado C)a pilot who trained at Kirtland Air Force Base during
asked by Appreciated Help 
English
What is the definition of the word "surreptitiously"? happily slyly*** enthusiastically sorrowfully ***  My Answer
asked by Kaai97 
English
What is the definition of the word "mollified"? baffled alerted calmed*** upset ***  My Answer
asked by Kaai97 
English
What is the definition of the word "presumptuous"? puzzling too bold*** silly pitiful ***  My Answer
asked by Kaai97 
English
What is the definition of the word "palpable"? able to be felt*** strange hurtful imagined ***  My Answer
asked by Kaai97 
English
What is the definition of the word "sullenly"? sulkily*** savagely suspiciously swiftly ***  My Answer
asked by Kaai97 
English
What is the definition of the word "precariously"? oddly insecurely*** enthusiastically for all to see ***  My Answer
asked by Kaai97 
math
What is 57 divided by 2.95
asked by Matthew 
English
What is the definition of the word "solder"? mend*** alert calm upset ***  My Answer
asked by Kaai97 
English
What is the definition of the word "bleak"? hopeless*** optimistic rejected dangerous ***  My Answer
asked by Kaai97 
Math
A train from York to Dalton left at the same time as a train from Dalton to York. One train traveled 68 kilometers per hour, and the other traveled 62 kilometers per hour. The trains met in 5 hours. How far is it from York to Dalton?
asked by Tyler 
English
What is the definition of the word "lithe"? handsome graceful*** towering squat ***  My Answer
asked by Kaai97 
math
What is the hardest expression in the world?
asked by Matthew 
English
Identify the choice that best describes the word "report" Carlos wrote a report about modern foods for his social studies class. common noun*** proper noun compound noun collective noun ***  My Answer
asked by Kaai97 
English
Identify the choice that best describes the word "St. Louis" As I listened to Carlos, I pictured my self in St. Louis. common noun proper noun*** compound noun collective noun ***  My Answer
asked by Kaai97 
English
Identify the choice that best describes the word "he" When Carlos presented the report to the class, he brought in samples of the foods. firstperson pronoun secondperson pronoun*** thirdperson pronoun reflexive pronoun ***  My Answer
asked by Kaai97 
math
What are the two quantities that should be measured to find the rate at which water flows out of a shower head and explain how the rate can be determined.
asked by Patty 
math
In the numbers 465,531, which places contain digits where one digit is tend times as great as the other?
asked by Jayden 
English
Identify the choice that best describes the word "reassuring" Although I do not pretend to understand the science behind it, this is reassuring to me. adverb*** adjective article compound adjective ***  My Answer
asked by Kaai97 
Math
A neighborhood garden that is 2/3 of an acre is to be divided into 4 equal size sections. Write and solve an equation to find the size of each section. 3/2 x 4/1 = 12/2 =6. But need help in explaning the 6. 6 what?
asked by Leeah 
English
Identify the choice that best describes the word "scientific" Scientific information like this does not always hold my attention. article adjective*** proper adjective adverb ***  My Answer
asked by Kaai97 
Math
In the numbers 465,531, which places contain digits where one digit is ten times as great as the other?
asked by Jayden 
precalc
what is the cofunction and reciprocal of the cosecant?
asked by yani 
calculus
1. what trig function has an amplitue of 1 and negative values for angles between π/2 and π? 2. what trig function never crosses the xaxis and has a value of 2 at π/6? are these correct? 3. what trig function has a period of π and is undefined for
asked by anon 
English
Identify the choice that best describes the word "strongly" However, when a science article is about something that strongly appeals to me, such as snowflakes, I become interested. article adjective*** proper adjective*** adverb ***  My Answer Not sure
asked by Kaai97 
Biomechanics
A cyclist is pedaling on his bicycle. If they travelled 18.1 km in 1.0 hours and the diameter of his wheel is 69.3 cm, what was the cyclist's average angular velocity in revolutions per minute (rpm)?
asked by Courtney 
English
Identify the choice that best describes the word "sometimes" I sometimes read the science section of the Sunday Newspaper. article adjective proper adjective adverb*** ***  My Answer
asked by Kaai97 
English
Identify the choice that best describes the word "never" If you keep an open mind, you never know what you might learn. article adjective proper adjective adverb*** ***  My Answer
asked by Kaai97 
Physics
A small crack occurs at the base of a 13.5 m high dam. The effective crack area through which water leaves is 1.55 103 m2. (a) Ignoring viscous losses, what is the speed of water flowing through the crack?
asked by Anonymous 
Physics
A small crack occurs at the base of a 13.5 m high dam. The effective crack area through which water leaves is 1.55 103 m2. (a) Ignoring viscous losses, what is the speed of water flowing through the crack?
asked by Anonymous 
Physics
A small crack occurs at the base of a 13.5 m high dam. The effective crack area through which water leaves is 1.55 103 m2. (a) Ignoring viscous losses, what is the speed of water flowing through the crack?
asked by Anonymous 
engineering
any help is greatly appreciated. I am so hopeless now. Water tower problem. The pressure in each house is 250 kPa and the average pressure drop is 50kPa. What should the height of the water tower? Height of the water level in the tower. What is the
asked by katy 
math
Jeremy enlarged a picture.The length of the original picture is 8cm and the width is 5cm.The length of the enlarged picture is 10cm and the width is 7cm. A.What percent is the 10cm length of 8cm length? B.What is the area of each picture?By what percet is
asked by Anonymous 
English
Choose the answer that best matches the word "serene" I'm fond of autumn in the countrysideit's so serene. beautiful brisk peaceful*** vibrant ***  My Answer
asked by Kaai97 
English
Choose the answer that best matches the word "infallibility" Conner's sense of his own infallibility has contributed to his own success to his success at chess. competitive nature inability to make an error*** open mindedness strategic skills ***  My
asked by Kaai97 
English
Choose the answer that best matches the word "unfurled" The visitor unfurled the quilt she brought with her and began to talk about its history. pointed at pulled on unboxed*** unwound ***  My Answer
asked by Kaai97 
Physics
6. A car traveling 64 km/hr (40 mi/h) brakes suddenly to avoid a dog crossing the road. It accelerated at a rate of 1350 mi/h2. What was its speed after 0.5 min?
asked by Claire 
algebra
Replace the equation in which the variable of the expression appears only once with a positive positive number for its exponent. (16x^2)/(16x^5)
asked by Kaitlyn 
chemistry
suppose that after measuring the pH of 1.05 M HCl solution, three drops (0.20 mL) of the solution remained behind on the pH electrode. a) when this electrode is then dipped into 100 mL of pure distilled water, show by calculation that the pH of the water
asked by Nicollette 
Math
Two teams are playing in a best of seven playoff series. The first team to win four games wins the series. Ties are broken through sudden decision overtime. If the teams are evenly matched: What are the odds in favour of either team sweeping the series, in
asked by Laure 
Writing
I'm trying to make a list of the consequences of pollution. I know about public health and the environment. What else? Also, how can I relate pollution to politics?
asked by Anonymous 
math
Shelly and her friend wanted to simplify a question 3/9 and 16/22 they didn't know how, but all they had to do is divide 3/9 and 16/22 with the clocest factor they can. The answer for 3/9 is 1/3 and the answer for 16/22 is 8/11 easy.
asked by Joanna 
math
Jeremy enlarged a picture.The length of the original picture is 8cm and the width is 5cm.The length of the enlarged picture is 10cm and the width is 7cm. A.What percent is the 10cm length of the 8cm length? B.What is the area of each picture?By what
asked by Dj 
physics
A boy moves 5km eastward and then change his direction towards westward in 4km.calculate his resultant displacement
asked by olamide 
Maths
This is a 3D Geometry Problem.Please help me out!P is a variable point such that its distance from the xyplane is always equal to onefourth of the square of its distances from the yaxis.Show that the locus of P is a cylinder.
asked by Bobo 
math
John I'd running in a race. The race is 25miles long. After two hours, John has run 7 miles. How many miles, m, does John have left to run?
asked by Christopher 
physics
A block of mass M rests on a block of mass M1 = 5.00 kg which is on a tabletop. A light string passes over a frictionless peg and connects the blocks. The coefficient of kinetic friction mk at both surfaces equals 0.330. A force of 60.0 N pulls the upper
asked by Anonymous 
math
4(6n+9)10n
asked by skyla 
Math
Abia is one of three servers who work at a restaurant that is open from tuesday to sunday. Every week the servers randomly draw slips of paper from a hat to decide which two days they won't have to work, in addition to monday. What is the conditional
asked by Polly 
H S Algebra
Kelly made a 94 and an 80 on the first two science tests. What does she need to make on the third test to have at least a 90 average in the class?
asked by Norman 
math
Can someone show me how to answer this question? Please? I would really appreciate any help you can give baseball statistics~~ “According to an Associated Press study, the average MLB salary will break the $4 million mark for the first time in 2015,
asked by Abby 
Criminal Justice/Terrorism
I failed my Terrorism multiple choice exam. The textbook is Understanding Terrorism & Managing the Consequences by Maniscalco and Christian. It's so hard to refer back to when I am being timed on a test and that's why I failed. Are there any experts out
asked by Pat 
Math
An open box is made by removing squares of length x in each corner of 8 unit by 6 unit rectangular piece ofcardboard. HOw long is × so that the volume of the resulting box is 192unit.
asked by Shenley 
Physics
Jogger A, with a mass of 55kg, is traveling 6.00m at 3.45 m/s in the positive xdirection. Jogger B, with a mass of 62kg, is traveling 3.00m at 4.23 m/s in the positive xdirection. Jogger C, with a mass of 72kg, is traveling 5.00m in the negative
asked by Cristian 
English
Heavy snowfalls were reported in London and Paris this weekend. It was buried by a record twenty inches. Traffic in the French capital came to a complete halt. What is the pronoun and the antecedent in the paragraph? Itsnowfall
asked by Hayden 
Simple Harmonic Motion
A mass 1.2 kg of is attached to a spring and placed on a frictionless air track. Initially the mass is resting in equilibrium. A 10gram bullet is fired into the mass to initiate oscillatory motion. The bullet hits the mass from the left side at a speed
asked by Jay 
physics
a 12uc test charge was placed 20cm from a source of an electric field. There was a measured force of 0.6N acting on the test charge. What is the strength of the electric field measured by the test charge??
asked by ashley 
Chemistry
How many atoms are in 448 grams of carbon?
asked by Heidi 
Physics
I am in 8th Grade G/T Science, and I had a question in an online test I didn't understand: An object is traveling at 8.1 m/s. Over the course of 5.3 seconds, it accelerates at a rate of 2.8 m/s2. What is its final velocity (in m/s)? Can you please help me
asked by Meher 
Geometry
Two lines are cut by a transversal such that a pair of alternate interior angles are right angles are the two lines parallel
asked by Anonymous 
Chemistry
The most common source of copper (Cu) is the mineral chalcopyrite (CuFeS2). How many kilograms of chalcopyrite must be mined to obtain 450. g of pure Cu?
asked by Meghan 
Radioactivity
Iodine131 is a radioactive isotope. After 8.00 days, 50.2% of the sample remains. What is the half life of 131I?
asked by Jessica 
algebra 2
A snail is at the bottom of a well that is 24 feet deep. The snail can climb 2 inches each hour, but then falls back 1 inch. How many hours will it take the snail to crawl out of the well?
asked by oumie ceesay 
algebra
evaluate x^0 when x = negative 3
asked by dina 
physics
A metal Bob of mass0.6kg is attracted to the end of a string of length1m.the Bob is whirled in a horizontal circle with a uniform speed of12m/s.what is the centripetal force acting on the Bob .if the speed of the Bob is5m/s Calculate the tension of the
asked by angel varghesh 
math
a ribbon is 3 2/3 yards long. Mae needs to cut the ribbon into pieces that are 2/3 yard long. I try 3 2/3 divided by 2/3 so the answer I get is 5 1/2. but when I used the model section I get 5 1/3. Please help me I am so confused.
asked by rocio 
Math
my son was asked to find each product by factoring the tens, and to draw rectangles if needed to on 6x2, 6x20, and 6x200. I'm not sure how to do this. please help me
asked by Andrew 
Physics
A bowling ball traveling with constant speed hits the pins at the end of a bowling lane 16.5 m long. The bowler hears the sound of the ball hitting the pins 2.50 s after the ball is released from his hands. What is the speed of the ball? The speed of sound
asked by Courtney 
English
What does the aunt in "The StoryTeller" find improper about the bachelor's story? A. It makes fun of Bertha's goodness. B.It has too many fantasy elements. C.It unrealistically suggests that virtue is always rewarded. D. The bachelor tells it without
asked by Caitlyn 
physics
every year the earth travels on its orbit about the sun. What is earth average speed in m/s, taken that the average orbital radius in 93,200,000 miles
asked by nichols 
math
In how many ways can 6 students be seated in a row of 6 chairs if Shane insists on sitting in the first chair?
asked by maritza 
English
What is the principal part of the italicized verb in this sentence from “The StoryTeller”? The aunt suppressed a gasp of admiration. present present participle past past participle 2. Which sentence uses the same principal part as the previous
asked by Caitlyn 
Math
What is the greatest six digit even number that matches all of the clues The ten thousands digit is twice the tens digit The hundred thousands digit is more than six The thousands digit can be divided by the ones digit No digit is used more than once
asked by Billy 
Chemistry
An ice cube at 6 degrees Celsius increases temperature to 2 degrees celsius. If the ice cube absorbs 550 J of heat, what is the mass?
asked by Anon 
Physics 2D Kinematics
A ball is kicked with an initial velocity of 21 m/s in the horizontal direction and 16 m/s in the vertical direction. (Assume the ball is kicked from the ground.) So Confused . No Idea Where To Start. help Please !
asked by Dessy 
Physics Kinematics.
A ball is kicked with an initial velocity of 21 m/s in the horizontal direction and 16 m/s in the vertical direction. (Assume the ball is kicked from the ground.) (a) At what speed does the ball hit the ground? (b) For how long does the ball remain in the
asked by Destiny 
algebra
solve the system using elimination 2x5y=8 x3y=1 please explian step by step
asked by sarah 
Physics
A projectile is launched at ground level with an initial speed of 51.5 m/s at an angle of 35.0° above the horizontal. It strikes a target above the ground 2.50 seconds later. What are the x and y distances from where the projectile was launched to where
asked by Deja 
Physics
A stone is dropped from the roof of a building: 2.5s after, a second stone is thrown straight down with an initial speed of 24m/sec, and the two stones lands at the same time. (A) how long did it take the first stone to reach the ground
asked by Sasa 
Physics
Suppose a soccer player kicks the ball from a distance 31 m toward the goal. Find the initial speed of the ball if it just passes over the goal, 2.4 m above the ground, given the initial direction to be 44° above the horizontal. Help please !
asked by Anton 
Physics kinematics
An archer shoots an arrow at a 72.0 m distant target, the bull'seye of which is at same height as the release height of the arrow. (a) At what angle must the arrow be released to hit the bull'seye if its initial speed is 36.0 m/s? (Although neglected
asked by Elijah 
algebra
the difference of one more than six times a number and four more than three times the same number, using numbers 3, 5 and 7.
asked by chamar 
Physics
A shell is fired from the ground with an initial speed of 1.62 ✕ 103 m/s at an initial angle of 58° to the horizontal. (a) Neglecting air resistance, find the shell's horizontal range.
asked by Caleb 
Science
Many stems hold leaves high. Higher leaves are more likely to get sunlight. How is this helpful to a plant? I don't understand
asked by BUBBY 
physic
A swing ride at a carnival consists of chairs that are swung in a circle by 11.0m cables attached to a vertical rotating pole, as the drawing shows. Suppose the total mass of a chair and its occupant is 164 kg, the angle θ = 58°. Find the speed of the
asked by john bear 
College Algebra
write in standard form a+bi: (2+3i)^3
asked by Tim 
College Algebra
Consider two circles. A smaller one and a larger one. If the larger one has a radius that is 8 ft longer than the smaller one, and if the ratio of the circumference is 3:1, then what are the radii of the two circles?
asked by Tim 
ctu
Stuart’s car loan reached a maturity value of $14001.00 after 3 years. Find the rate on Stuart’s loan if the principal he borrowed was $12474.00 Use the formula to find the interest; then use to find the rate in decimal form. Leave your answer in
asked by mary 
College algebra
A seamstress is designing a triangular flag so that the length of the base of the triangle, in inches, is 7 less than twice the height h. Express the area of the flag as a function of the height.
asked by quel