Questions Asked on
January 23, 2016

Calculus
Suppose that 5 J of work is needed to stretch a spring from its natural length of 28 cm to a length of 36 cm. (a) How much work is needed to stretch the spring from 32 cm to 34 cm? (Round your answer to two decimal places.) (b) How far beyond its natural
asked by Kaitlyn 
calc 1
If a ball is thrown in the air with a velocity 46 ft/s, its height in feet t seconds later is given by y = 46t − 16t2. (a) Find the average velocity for the time period beginning when t = 2 and lasting 0.5 second 0.1second 0.05 second 0.01 second i tried
asked by feather 
Algebra
The back of George's property is a creek. George would like to enclose a rectangular area, using the creek as one side and fencing for the other three sides, to create a pasture. If there is 300 feet of fencing available, what is the maximum possible area
asked by Cruz 
Related Rates
Sand is falling into a conical pile at the rate of 10 m3/sec such that the height of the pile is always half the diameter of the base of the pile. Find the rate at which the height of the pile is changing when the pile is 5 m. high. h= r=5 V=
asked by Dimple 
Math
How many gallons of water should be added to raise water level 2 inches in a 40 x60 feet pool
asked by Bbanks 
Calc 1
The point (1,0) lies on the curve y=sin(10π/x). A) if Q is the point (x,sin(10π/x), find the slope of the secant line PQ. Points are 2,1.5,1.4,1.3,1.2,1.1,0.5,0.6,0.7,0.8,0.9 Do slopes appear to be approaching a limit? There is no 10π/x on the unit
asked by Feather 
Math
Question: Name a fraction between 1/4 and 5/16
asked by Rick 
Physics
A proton is released from rest inside a region of constant, uniform electric field E1 pointing due North. 14.8 seconds after it is released, the electric field instantaneously changes to a constant, uniform electric field E2 pointing due South. 8.07
asked by Joe 
Physics
A student drops a lead ball 4" in diameter from the top of a large live oak tree. As the ball is falling, a bird flies under it, slowing the ball's velocity to 30 feet/sec. Two seconds later the ball strikes the ground. What is the coefficient of friction
asked by Johnny 
Chemistry
6g of metal M react completely with 23.66g of chlorine to form 29.66g of the metallic chloride. Find the empirical formula of the metallic chloride. (M=27,Cl=35.5)
asked by Anonymous 
Astronomy
"If the Sun were magically replaced with a giant rock that had precisely the same mass, Earth’s orbit would not change. Explain why not." I'm a little confused as to how to answer this. Is it because Earth doesn't orbit the exact center of the sun.
asked by mc 
Observation of children
A child who has not developed a secure attachment with you.
asked by Dill 
geography
What are three characteristics that midlatitude cyclones have in common with all cyclones?
asked by melissa 
PHYSICS
WHAT IS THE MASS AND WEIGHT OF 1420LB OF SNOMOBILE AND 412KG OF HEAT PUMP?
asked by WASEEM 
Math
Simplify the following ratio. Use values in terms of the smaller measurement units. 4 cups to 5 pints
asked by Kill Aura 
Physics
A ball is thrown straight up at 24.0 m/s. Ignore the effects of air resistance in your calculations.After 2.00 s?
asked by Kayla 
History
17. In the 1910s, segregation of the Chinese in Oakland, California was _____________. A. illegal B. carried out by vigilantes C. a matter of preference among the Chinese D. the results of "white only" zoning laws E. legal It says "During the 1910s the
asked by Anonymous 
History
19. Many small business owners in South Central Los Angeles are _______________. A. Korean B. White C. Hispanic D. Black E. Pakistani B?
asked by Anonymous 
PHYSICS
A CAR IS MOVING INITIALLY AT A SPEED OF 50MI/H WEIGHTING 3000LB IS BROUGT TO A STOP IN A DISTANCE OF 200FT FIND THE BRAKING FORCE.AND FIND TIME REQUIRED TO STOP ASSUMING THE SAME BRAKING FORCE..AND FIND THE DISTANCE AND TIME REQUIRED TO STOP IF THE CAR
asked by WASEEM 
PHYSICS
WORKER ARE LOADING EQUIPMENT INTO A FREIGHT ELEVATOR AT THE TOP FLOOR OF A BUILDING HOWEVER THEY OVERLOAD THE ELEVATORAND THE WORN CABLE SNAPS THE MASS OF THE LOADED ELEVATOR AT THE TIME OF THE ACCIDENT IS 1600KG..AS THE ELEVATOR FALLS,THE GUIDE RAILS
asked by WASEEM 
math
Add .003, 265.8, 83.04, 1972 in decimal form
asked by latondra 
Math 3rd Grade
Toddrick has a photo album. Some pages have one photo on them, and other pages have two photos on them. If Toddrick has 9 photos, how many different ways can he put in the album?
asked by Tsamg 
algebra
For the following sequences whose nth terms are given, write down the first six terms of each (a) 4n1 (b) n3 (c) 52n (d) (1)N *n (e) (n +1)2 (f) n¦ n+2 Thank you, Sir
asked by hussaini 
Economics
Why do you think this country has been on recession over the years, irrespective of the number of great Economists in the country. Why didn't they prevent the recession in the first place? I think the fear of failure in forecast was a contributing factor.
asked by Tessy 
History
15. In the SubSaharan realm, ___________ remains the rule rather than the exception. A. male dominance B. female dominance C. no dominance by gender D. dominance of older members of society E. none of the above What does the qustion mean
asked by Anonymous 
math
Can somebody solve this system of euation :2^x+3^y=17 2^x+2+3^y+1=5
asked by Akbar 
Science
Sometime ago Ununseptum was discovered. However, why was element 117 not considered an element at that time?
asked by Aster Calico 
Science
An airplane from rest accelerates on a runway at 5.50 m/s2 for 20.25s until it finally takes off the ground. What is the distance covered before take off?
asked by Jonna mae 
Math
1. Find the midpoint AB. Point be is located at (6,6) and point A is located at (3,3). There's a straight line connecting them. A) (4.5, 4.5) B) (1.5, 1.5) C) (3,3) D) (2,2) Is the answer D?
asked by Tim 
science
HNO3+HI>NO+I2+H20
asked by piyush 
math
A bag contains 15 green ,12 red, 11 blue,10, yellow,8 black and 4 white balls what is the minimum number of balls that at least 9 balls of the same color are there
asked by Anonymous 
maths
A group of visitors paid a total of $380 for entrance tickets to a zoo. The entrance ticket for a childs cost $4. The entrance ticket for an adult cost twiceas much. If there were 10 more adults than children, how many adults were there.
asked by anisah 
chemistry
A 43.20 mL sample of 0.3260 M sodium hydroxide (NaOH) is required to react completely with 36.70 mL of a phosphoric acid (H3PO4) solution. What is the molarity of the phosphoric acid solution?
asked by T 
maths
The number 8100 can be factorised as a2×b4×c. What is the value of (a+b)? With method
asked by sanjay 
Maths whole number.
A group of visited paid a total of $380 entrance tickets for a zoo. The entrance ticket for a child cost $4. The entrance ticket for an adult cost twice as much. If there were 10 more adult the childrens, how many adult were there?. My workout 1 chlid $4.
asked by Viperhayati 
English assignment
How do I start off an essay about racial inequality?
asked by Anonymous 
s
, what would be the pH of a solution of 0.1 M acetic acid and 1 M sodium acetate if the pKa for acetic acid is assumed to be 4.74?
asked by Anonymous 
math
find the length of the hypotenuse of a right triangle, the other tow sides of which measure 9 cm and 12 cm.
asked by Abhay 
History
20. Most of the workers in maquiladoras are _____________. A. immigrants B. young females C. young males D. unionized E. children B
asked by Anonymous 
Maths
I am thinking of a number. I multiply it by 8 and add 15. I get the same answer if I multiply by 2 and add 81.
asked by Meg 
Chemistry
A carbohydrate P contains 40% carbon,6.67% hydrogen.If P has a relative molecular mass of 60.Determine it; 1)Empirical formula 2)molecular formula [H=1,C=12,O=16]
asked by Aanu 
Math
Can you explain this: For my math problem 23 4/7 divided 4 it says to estimate. What do I do?
asked by Sam 
Algebra
(x2)+1/x+1=2/3
asked by Sham 
math
A circular flower bed is surrounded by a path 4m wide . the diameter of the flower bed is 66m . what is the area of this path
asked by teju 
Sta 112
This is my question every one . Please help me have it already I had 6 as my answer. In a class of 50 student 28,22,20 of them offer physics,chemistry and biology respectively also 4 of them offer physics and chemistry but not biology,3 offer physics and
asked by Anonymous 
maths
I am a two digit no. If you subtract my second digit from my first digit the difference is 6. (i.e. 93= 6 or 82=6 or 71=6) The product of my digit is 0. What number am I? Could you please answer it as I did not understood the meaning of product of my
asked by ray 
math
A circular flower bed is surrounded by a path 4m wide . the diameter of the flower bed is 66m . what is the area of this path
asked by Anonymous 
English & Composition
I need help with writing a topic sentence that briefly but accurately takes into context the quote below. This is a long quote so its difficult to make a topic sentence that deems appropriate in the sense of Allusion D. Topic Sentence Three (Allusion) :
asked by Jamie 
maths
there are two taps, the small one uses forty five minutes to fill a tank and the big one uses thirty minutes to do the same how many minutes will the tank be filled when the two taps were opened at the same time to fill the same tank.
asked by de lover 
Math
For my math problem seven tenths exceeds seven thousandths by what number would I subtract seven tenths from seven thousandths (0.7 0.007) or subtract seven thousandths from seven tenths. (0.0070.7)
asked by Saul 
Social studies
Can someone make me a fractured fairy of Cinderella. Exposition? Initial incident? Rising Action? Climax? Resolution? THANK YOU.
asked by Dj 
math
the supplement of an angle is 20 degrees less than 3 times its complement. find the ratio of the supplement to the complement.
asked by hannah 
Chemistry
concentration of ammonium chloride produced when 21.0 mL of 11.9 M HCL and 18.0mL of 7.50M NH3 are mixed?
asked by Trevor 
Math
file:///G:/STAARG72014Testmath.pdf please help
asked by Harleen 
math
R,O,C,A are the midpoints of the sides of the rhombus DJSB. if DJ= 16 sq rt of 2 cm and d=120 degrees, what is the perimeter of ROCA?
asked by jana 
algebra
``if Tn =2 3 which term of sequence is. (a)  43 (b)  82 (c) 91''.
asked by Habu 
algebra
In a sequence given by Tn = a + b bn the 6th and 13th terms are 22 and 71 respectively. Find the values of a and b.
asked by Habu 
Algebra
(x2)+1/x+1 is a fraction it equals 2/3.find x and the fraction
asked by Sham 
math
in triangle abc, a line parallel to AC intersects at AB at D and BC at E . If db is 6, ad is 2 and bc is 24, find de if ab and bc include a 60 degree angle
asked by vhena 
algebra
In a sequence given by Tn = a + b bn the 6th and 13th terms are 22 and 71 respectively. Find the values of a and b.
asked by hussaini 
arthmetic sequence
the third of an arithmetic sequence is 14 and the ninth tern is 1. Find the first four terms of the sequence.
asked by antonia 
Physics 30
A system containing a frictionless pulley is described in the diagram on the right (the 2.0 kg box is on the floor while the 3.0 kg box is 0.5m high) . If this system is released, what will be the momentum of: A. the 2.0 kg box when the 3.0 kg box hits the
asked by Mona 
Maths
the scale of a map is 1:20000. Find the length of a road in real life it is 6 cm long on the map
asked by Tim 
Intro to Paralegalism I
In what state a person may take the bar examination without a formal legal education?
asked by beth 
Maths
It takes 3 artists 24 days to paint a building. Calculate how long it will take 6 artists to paint the building if they work at the same rate
asked by Chantell 
Math
Mrs. Alvarado gets a raise that increases their income to $6,500 a month. Their mortgage stays the same. What percent of their monthly income do they now spend on the mortgage? Some things to know: Mrs. Alvarado's income before the raise was 6,000 dollars.
asked by Light 
math
marcel is standing 5 meters away from a street light. he is 2 meters tall and the light is 6 meters high. how long is marcel's shadow?
asked by margoth 
Maths
The scale of a map is 1:500. Find the length of a road in real life if it is 6cm long on the map
asked by Jack 
Math
How do you find a measure of a triangle?
asked by smart1111 
physics
A ball is thrown straight up at 20.0 m/s. How fast is the ball moving after 2.00 s?
asked by elli 
Chemistry
concentration of ammonium chloride produced when 21.0 mL of 11.9 M HCL and 18.0mL of 7.50M NH3 are mixed?
asked by Trevor 
Math
What is the simple interest on Rs.4500 from January 5 to May 31 at 8% per annum?
asked by Gobinda 
History
Where is the natural resource located in Canada and/or the United States? I am stuck on this and I need some help.
asked by Frankie 
PreAlgebra Calculus
NEED HELP PLEASE Mixture Problems 1.Joe created a metal containing 40% platinum by combining two other metals. One of these other metals weighed 12 lb. and contained 45% platinum. If the other weighed 3 lb. then what percent of it was platinum? 2. 12 gal.
asked by michele 
Physics 30
A system containing a frictionless pulley is described in the diagram on the right (the 2.0 kg box is on the floor while the 3.0 kg box is 0.5m high) . If this system is released, what will be the momentum of: A. the 2.0 kg box when the 3.0 kg box hits the
asked by Mona 
Physics
A pickup truck (2268 kg) and a compact car (1100 kg) have the same momentum. If the same horizontal net force were exerted on both vehicles, pushing them from rest over the same distance, what is the ratio of their final kinetic energies? (ratio: truck to
asked by random guy 
Math
Find the discount or intrest to the nearest cent. $500 television, 15% off
asked by Amy 
Operations
what does this mean please help .Does their facility location reflect their global strategy?
asked by Jeremiah 
Chemistry
At stp 10 liters of N2 contains the same total number of molecules as how many liters of He.
asked by Matheus 
Operations
Could someone what do they mean by this question please.How does their work force reflect their global strategy?
asked by Rose 
math
Ms. Sue I have a question. For this math problem: Name a fraction between 1/4 and 5/16 how do I do that
asked by Anonymous 
maths
y=3ln5t/2cos2t
asked by nick 
Birthday
Today is my daughters birthday .Thank you for helping her with her homework.Thank you Ms.Sue aslo she really like you, her name is Kaylah.
asked by Julie 
Math
So is this correct for this question: Name a fraction between 1/4 and 5/16 1/4, 8/32, 5/16
asked by Anonymous 
Math
For this question 3/4% of 75 would I change 3/4 to a decimal and put it over 100?
asked by Fred 
Chemistry
Name the element that has a density of 4.700 g/mL at STP
asked by Leila 
physics
The weight of a solid in air is four times greater than the weight of solid in water. Find its weight of which solid in water if it has relative density is 64.
asked by Jefferson 
Math
So would it be this: 1/4, 9/32, 5/16
asked by Anonymous 
Math
Im stuck on this question of b) and c),i already got a) which is as it can be the distance k can be given as k=squareroot d^2+(10+x)^2 Suppose a ship is sailing at a rate of 35km/h parellel to a straight shoreline. The ship is 10km from shore when it
asked by Tamar 
Math
Is this the answer to 3/4% of 75: 0.5625
asked by Fred 
physics
John pushes on a 400 kg refrigerator with a force of 800 N. While sliding a friction force of 300 N acts on the refrigerator. What is the acceleration of this refrigerator?
asked by vincent 
Math
On the graph of f(x)=2sin(6πx), points P and Q are at consecutive lowest and highest points with P occuring before Q. Find the slope of the line which passes through P and Q.
asked by Cameron 
Math
Can you help me? My math problem is: 23 4/7 divided by 4 and it says to estimate. What do I do?
asked by Sam 
Chemistry
A mass of 0.100 mg TIOH is mixed with 174 ml of pure water. Calculate the pH of this aqueous solution?
asked by Kelly 
Science
How to find the amount of diploid cells, haploid number of chromosoems, and number of autosomes
asked by Anonymous 
physics
A 400N weight is sitting on a piston. The diameter of the piston is 8 cm. How much pressure does the weight exert on the piston?
asked by sabrina 
maths
if aman sells an artcile for Rs 1600 he inesures a loss equal to the profit if he sells that artcile for Rs2000.find the cp of that artcile
asked by anusha 
statistics
Identify the conditions of the independent variable , the dependent variable , their scales of measurement , which measure of central tendency and variability to compute and which scores you would use in the computation . We test whether participants laugh
asked by pam 
English
Help!!!! I need a sample of English formal letter. immediate plzzzzz
asked by Ali 
english
can anybody can write a creative story not bookish easy on the topic honesty is the best policy
asked by nida 
History
Did president Truman make the right decision by dropping two atomic bombs on Japan? Write details into your answer about lives saved or lives lost,alternative decisions, and the USA being the only country to ever use atomic weapons. (USE THREE DETAILS)
asked by Anonymous 
none
anybody can help me in studies
asked by nida 
Writing
You know how there is muggle and mundane, representing humans who do not know of specific worlds? Well, I need a word representing humans who don't know about a world called "Enchantrum". Make sure the name is magical. Thank You! :)
asked by Royal 
science
Which of the following factors is the most likely explanation for an energy deficit that results in exerciseinduced exhaustion. A.Insufficient protein production B.Insufficient mitochondrial function. C.Impair urea elimination. D.Absence of oxygen
asked by Tessy 
Science
In a vacuum the coloured particles would move very quickly... why did they move so much more slow in your solutiin.
asked by Davian mullings 
math
compare the models for 1/3 and 2/6. How does the number of parts relate to the size of the parts.
asked by A 
Science
New seafloor rock is continually being formed at midocean ridges and old seafloor rock is continually removed at ocean trenches. If the rock on the continents compare with the age of the oldest rocks on the seafloor ?
asked by SHABRAELNN 
math
the product of ritas savings and 2 is 36
asked by billly 
PHYSICS
Do the mass of a body determine the gravity they possess(sun)
asked by STEVIUM 
Physics
Car A travelling at 13 m/s [N] is 190m behind car B which is travelling at 9.0 m/s [N]. At this moment car A starts to accelerate at 6.0 m/s^2 [N] to catch up with car B. After 1.0s, car B also starts to accelerate at 2 m/s^2 [N]. How long will it take car
asked by jerry 
science
Large craters are visible on the moon but not common on the earth's surface. Which of the following is the beady explanation of why large craters are not evident in the earth's surface in photos taken from space. A.three quarters of the earth's surface is
asked by Tessy 
History
5. Residential segregation in the United States today is _______________. A. the result of restrictive state and local laws B. increasing C. decreasing D. a phenomena which has virtually disappeared E. unchanged from the 1960s What does A mean
asked by Anonymous 
History
6. In New York, Puerto Ricans moved into the Jewish neighborhood of East Harlem (Bronx) and assumed a dominant presence in the neighborhood. This process is best described as: A. succession B. residential segregation C. racism D. immigration E. recession
asked by Anonymous 
Science
It has been hypothesized that chloroplasts originate from photosynthetic cyanobacteria that became symbiotic inside a host cell.Which of the following observations provides the strongest evidence for this suggestion. A. Microscopically, chloroplasts appear
asked by Tessy 
History
8. We think of the border region between the United States and Mexico as being an AngloHispanic meeting point, but one of the largest groups of _____________ in Mexico can be found just outside the city of Mexicali. A. Germans B. Japanese C. Chinese D.
asked by Anonymous 
English
I am given this topic to write an essay on..."Do we overprotect our young people or is our young people becoming prematurely tough?" but I have no idea what to write and how to start.
asked by Crayoron 
History
10. Many geographers, such as Elder, Knopp, and Nast, refer to theories that explain or inform our understanding of sexuality and space as........ A. queer theory B. heteronormative theory C. gender studies D. spatial theory E. modernization theory A
asked by Anonymous 
Math
1.The number of apples, a, is 6 less than half the number of pears, p. Write an expression that represents the number of apples in terms of the number of pears. 2.Which equation can be used to solve the following word problem? Jason has 4 more nickels than
asked by Anonymous 
History
11. Groups in Northern Ireland and gangs in major U.S. cities create “exclusive” areas by....... A. government programs B. street names C. Jim Crow laws D. graffiti demarcating territories E. religious laws C?
asked by Anonymous 
Physics
Hail forms high in the atmosphere and can be accelerated to a high speed before it reaches the ground. Estimate the terminal speed of a spherical hailstone that has a diameter of 2.8 cm. Hint: The mass of a piece of hail that has a volume of 1 cm3 is about
asked by Kirsten 
Physics 30
A frictionless pulley (a 2.0 kg is on the floor while the 3.0 kg is 0.5m high) . when released, momentum of the 2kg is?
asked by Mona 
Chemistry
16.6ml of a solution is run into an empty flask. the mass of the flask is 145.0 g. the mass of the flask plus solution is 158.5 g. what is the density of the solution?
asked by Gabby 
math
Please help solve 0.3x 1=0.2
asked by mary 
trig
In a certain right triangle, the two sides that are perpendicular to each other have lengths h = 4.40 m and b = 8.70 m. What is the length of the third side of the triangle?
asked by jojo 
Physics
A car starts from rests and accelerates at a rate of 4 feet per second squared. How far does the car travel in 10 seconds?
asked by Robin