Questions Asked on
January 8, 2017

Social Studies
The Underground Railroad used escape routes that went throughout the South. Based on that fact, which of the following conclusions could be made? A) The southern states were leaning toward emancipation B) Slaves were hopeful to acquire jobs in Northern
asked by Jasmin 
physics
An apple crate with a weight of 225 N accelerates along a frictionless surface as the crate is pulled with a force of 14.5 N as shown in the drawing. What is the horizontal acceleration of the crate?
asked by Tyler 
math
help, what did Dr.Drone say to the guy who thought he was a $100 bill
asked by messiah 
Chemistry
CuCO3=CuO +CO2. Find the mass of 1mole of each substance taking part in the reaction. (Ar:Cu=64,C=12,O=16). When 31g of CuCO3 is used; 1)how many grams of CO2 is formed. 2) what mass of solid remains after heating.
asked by Busola 
MATH
During halftime of a footballgame, a sling shot launches Tshirts at the crowd. A Tshirt is launched from a height of 33 feet with an initial upward velocity of 64 feet per second. The Tshirt is caught 48 feet above the field. How long will
asked by S 
civic education
mention seven limitations to human rights
asked by Victory 
Math
Which pair of ratios does not form a true proportion? A 8:14â€“20:35 B 6 to 10 and 15 to 25 C 9/5 equals 27/15 D 12:15 and 30:50
asked by Anonymous 
Math
The volume of an aquarium for one fish is 384 cubic inches. The height of the aquarium is 6 inches. The base is a square. What are the dimensions of the base?
asked by Vix 
Science
Wolves: Moose: 6 10 3.Calculate the average of moose killed by one wolf in each territory. So, would I divide the number of moose by wolves, or wolves by moose?
asked by Anonymous 
calculus
A spherical balloon is losing air at the rate of 2 cubic inches per minute. How fast is the radius of the ballon shrinking when the radius is 8 inches.
asked by Josh 
Physics
A ball thrown with a speed of 100m/s attains a height of 150m (take g=9.8 per second square). Calculate: 1. Time of flight 2. Angle of projection 3. Range
asked by Mk hamman 
Science
A uniform half meter scale is balanced at 60 cm mark.when weight of 10 gf and 30 gf are suspended at 20 cm and 90 cm mark respectively calculate the weight of scale
asked by Aryan Rock 
math
A board 5 feet long slides down a wall. At the instant the bottom end is 4 feet from the wall, the other end is moving down the wall at a rate of 2 feet per second. At the moment, how fast is the bottom end sliding along the ground?
asked by Emily 
physics
A person pushes on a 55kg refrigerator with a horizontal force of 250 N; the minus sign indicates that the force points in the x direction. The coefficient of static friction is 0.56. (a) If the refrigerator does not move, what are the magnitude and
asked by Kyle 
Math(simple interest)
A person borrows two equal sums of money at the time at 5% and 3.75% simple interest respectively & finds that if he repays the former sum a year before the latter the amount paid in each case is the same that is Rs.736. Find the total sum borrowed.
asked by Ann 
science
When a manganous salt is fused with a mixture of KNO3 and NaOH the oxidation no. Of Mn changes from +2 to what?
asked by aradhana 
Science(physics)
A boy while driving to his school covers at the average speed of 15km/h.On his return trip along the same route, covers at the average speed of 25km/h due to less traffic.What is the average speed for the whole trip
asked by Henry 
Math
A toolshed with a square base and a flat roof is to have a volume of 800 cubic feet. If the floor costs $6 per square foot, the roof $2 per square foot, and the sides $5 per square foot, determine the dimensions of the least expensive shed.
asked by Emily 
Computers (RAM)
Just giving this a shot, Which of the following statements about RAM are TRUE? Select all that apply. a) Any part of RAM can be accessed at any time. b) RAM is an area of a computer that holds programs and data that are waiting to be processed, to be
asked by Ray 
calculus
is my answer to this question correct A spherical balloon is losing air at the rate of 2 cubic inches per minute. How fast is the radius of the ballon shrinking when the radius is 8 inches. Answer= .0024
asked by Josh 
physics
Only two forces act on an object (mass=3.19 kg), as in the drawing. Find (a) the magnitude and (b) the direction (relative to the x axis) of the acceleration of the object.
asked by Tyler 
physics
One block rests upon a horizontal surface. A second identical block rests upon the first one. The coefficient of static friction between the blocks is the same as the coefficient of static friction between the lower block and the horizontal surface. A
asked by Kyle 
physics
when an apple falls from a tree, and strikes the ground without bouncing, what happens to its momentum?
asked by Anonymous 
physics
During a storm, a tree limb breaks off and comes to rest across a barbed wire fence at a point that is not in the middle between two fence posts. The limb exerts a downward force of 253 N on the wire. The left section of the wire makes an angle
asked by Kyle 
Math
Find the vertex H(x)= 3x^2+24x46
asked by Aria 
finance
7500$ investment in each of 20 stocks ( beta of portfolio=1.12). suppose you decide to sell one stock that have beta 1 for 7500$, and use them to buy another one of beta=1.75 calculate the beta of new portfolio ?
asked by zaynab 
physics
A car is traveling up a hill that is inclined at an angle θ above the horizontal. Determine the ratio of the magnitude of the normal force to the weight of the car when (a) θ = 17o and (b) θ = 30o
asked by Kyle 
math
an airline company offers a roundtrip group flight from New York to London. If x people sign up for the flight, the cost of each ticket is to be 10002x dollars. Find the maximum revenue the airline company can receive from the sale of tickets from the
asked by Emily 
math
Aubrey is painting a mural of an ocean scene. The triangular sail on a sailboat has a base of 4 feet and a height of 6 feet. Aubrey will paint the sail using a special white paint. A can of this paint covers 10 square feet. How many cans of white paint
asked by Nyan 
physics
A mountain climber, in the process of crossing between two cliffs by a rope, pauses to rest. She weighs 520 N. As the drawing shows, she is closer to the left cliff than to the right cliff, with the result that the tensions in the left and right sides of
asked by Tyler 
Geometry
Lacy made a scale model of her house. Her house is 45 feet tall. Her model is 9 inches tall. What is the scale of the model? How many times as times as tall as her house is her model?
asked by Idk 
Geometry
If a tangent segment and a secant segment are drawn to a circle from the same point, the external part of the secant segment is longer than the tangent segment. True or False?
asked by Emma 
Math
the number of library books in a school increased by 20% after it bought new books in May , the number increased by another 20% after a bookstore donated 300 books in June  Find the number of books in the library before it bought new books in May
asked by Muhammad Saleem 
Math
Carlo is eating a bag of Skittles. In the bag, thre are 5 red, 2 green and 4 purple Skittles. What is the probability that Carlo will pick a red Skittle, eat it and then pick a green Skittle?
asked by King 
Math
Reema has a ribbon which is 8 metres long. How many pieces can be cut from the ribbon if each piece is 2/3 of a meter
asked by Tushar 
Math(simple interest)
Mr.X invested a total of Rs.10,000 in three different accounts, the Accounts paid simple interest at an annual rate of 8%,9% and 7.5% respectively. Total interest earned for the year was Rs.845. The amount in the 9% account was twice the amount invested in
asked by Ana...... :) 
physics
when temperature increases from t to # t and the moment of inertia is increase from I to #I. the coefficent of linear expansion is alpha .THE RATIO OF #I\I IS
asked by Anonymous 
Algebra
X is a number.It is divided by 3,and 5 is subtracted from the result.The new result is then multiplied by 7.If the final answer is 28,what number is X?
asked by Veronica 
Math
2 jugs are filled with water. If you remove 1 liter of water from the first jug, then the two jugs contain the same amount of water. If you remove 2 liters from the second jug, then the second jug would contain half as much as the first jug. How many
asked by Clary 
Math
By selling an article for rs.17,a shopkeeper losses 15%. At what price should he sell it to gain 15% ?
asked by Charu 
math
the perimeter of a triangle is 23 cm. all side lengths are integers. if one side measures 5cm, what is the length of the largest possible side?
asked by joe gorini 
math
A scientist observes two colonies of bacteria. The first grows at a rate of 2.2 x 10^6 bacteria per hour. The other grows at a rate of 6.3 x 10^5 bacteria per hour. Which grows faster? How do you know?
asked by Anonymous 
math
A person 6 feet tall walks at a rate of 150 feet per minute toward a light tower whose searchlight is located 40 feet above the ground. Find the rate that the length of the shadow is changing.
asked by Mikaela 
PreCalculus
Squares of side length x are removed from the 4 corners of an 11in by 8.5in piece of paper. The sides are then folded up to create an opentop box. Write a funcion that determines the volume of the box and determine the functions range. How much should be
asked by Calvin 
Physics
A 100 grams mass of a substance has a volume of 150 centmetre cube.Calculate the relative density of the substanc. [density of water pw=1.0gcm^3]
asked by Angela 
math linear equation
The sum of two number is 110 .oneffifth of the larger number is 8 more than one ninth of the smaller number. Find the number
asked by salini 
Math
At one afterschool event, of the students were 8th graders and the rest were 7th graders. Of the students who were in 7th grade, the ratio of boys to girls was 3:5. What percent of all the students at the afterschool event were boys who are in the 7th
asked by Anonymous 
math
A plane travels east from San francisco towards St. Louis at 500 miles per hour, and a turbojet travels north from new orleans toward St. louis at 600 miles per hour. Find the rate of change of the distance between them when the jets are 300 miles apart,
asked by Mikaela 
calculus
Water leaking onto a floor creates a circular pool with an area that increases at the rate of 3 square inches per minute. How fast is the radius of the pool increasing when the radius is 10 inches?
asked by angie 
Math
Two jugs are filled with water. If you remove 1 liter of water from the first jug, then the two jugs contain the same amount of water. If you remove 2 liters from the second, then the second jug would contain half as much as the first. How many liters of
asked by Isabelle 
Physics
A piece of metal of volume 250 centimetre cube floats in water when 85 percent of its volume is under water.Calculate the upthrust on the metal. [pw=1.0gcm^3]
asked by George 
Algebra
If a positive twodigit integer is divided by the sum of its digits, the quotient is 2 with a remainder of 2. What is the twodigit integer?
asked by Isabelle 
Account _trial bal
Goods return from debtors come in which account debit or credit
asked by Anonymous 
math
Area of Parallelograms:Find the height of a parallelogram with base 9.44 meters and area 70.8 square meters.
asked by Nyan 
Math Sequences and Series
Sn= N^24n, using this formula find the first 4 terms
asked by Isaac 
MATHS
CAN YOU FRAME 3 ISOSCELES TRIANGLES FROM AN EQUILATERAL TRIANGLE?
asked by manan 
Physics
An empty bottle weighs 20 grams and 60 grams when filled completely with water.What would the bottle weigh when filled completely with mercury. [pw=1.0gcm^3,pm=1.6gcm^3]
asked by Daniel 
Math
If a positive twodigit integer is divided by the sum of its digits, the quotient is 2 with a remainder of 2. What is the twodigit integer?
asked by Clary 
Maths
Find the gradient of the line joining(4,6) and (3,0)
asked by Victory 
Math
Ms. Jones is baking a cake for her students. She needs 2/3 cup of brown sugar to make the cake. Right now, she has 3/4 cup of brown sugar. Does she have enough to make the cake?
asked by Rick 
algebra
Can someone help me solve this story problem? Tom is buying a 42 inch 1080 television on sale for 40% off. If the aspect ratio is 16:9 and the frame around the screen is 1 inch wide,will it fit in an entertainment center with an opening that is 36 inches
asked by Anneliese 
Physics
What is specific heat
asked by Kritika 
math
Sonia bought washing machine 10000and paid 2000 and rest in installments of rs 500 at the rare 10℅ find the total amount paid
asked by rk 
math
There are 3 boys for every 4 girls in school. If there are 200 girls, how many pupils are there in all? Help me please. This is my homework and I need it right now because we have a class for tomorrow.
asked by Jasmine 
Math
A rope hangs from the ceiling. It reaches the floor exactly. It is 4 feet from the wall. When it is pulled to the wall, the end of the rope is 4 inches above the floor. How high is the ceiling?
asked by Clary 
Math
Parallelogram ABCD is inscribed in a circle. Then, the measure of angle A must be 90?
asked by Ryan 
Math
Natalie had some marbles. She gave 1/3 of them to her brother,who kept 12 marbles for himself and gave the rest to 5 friends.If each friend received 7 marbles, how many marbles did Natalie have at firts?
asked by Veronica 
Math
Becky has $60 and Nina has $120. How much money must Becky give to Nina so that the amount of money Nina has is 5 times what becky has?
asked by Veronica 
calculus
Verify the means value theorem holds on the interval shown. Then, find the value c such that f'(c)=(f(b)f(a))/(ba) a. f(x)= x1/x on [1,3] b.f(x)=x^3=x4 on [2,3] c. f(x)= x^3 on [1,2] d. f(x)= Sqr. root of x on [0,4]
asked by angela 
calculus
find the maximum and minimum value of the function f(x)= xx^3 on the interval [2,2] I also need help with this question What is the largest possible product of two negative number whose sum is 1?
asked by jake 
Math
Whuch of the following expressions is equivalent to the expression below? 4[5x+2x]
asked by Jessie 
calculus
Is this the correct answers for these questions Verify the means value theorem holds on the interval shown. Then, find the value c such that f'(c)=(f(b)f(a))/(ba) b.f(x)=x^3=x4 on [2,3] c= square root 7/3 c. f(x)= x^3 on [1,2] c= square root 1 d.
asked by Angela 
math
If $10,000 is invested in an account at 4.8% annual simple interest, how long will it take for the account balance to grow to $11,200? I am confused. How do you do this?
asked by name 
Math
A dictionary costs $24. The total cost of the dictionary and 4 identical diaries is the same as 7 diaries. How much does 1 diary cost?
asked by Veronica 
calculus
What is the largest possible product of two negative number whose sum is 1?
asked by Josh 
Calculus
What is the largest possible product of two nonnegative number whose sum is 1
asked by Josh 
Math
Ivan has a 5cent stamp, a 10cent stamp, and a 20cent stamp.How many different combinations of postage can he form with the stamps?
asked by Christian 
math
Pretend that you are now a senior in high school. You have been planning a vacation for midwinter recess with your friends. Ten years ago, your parents put $200 in a savings account for you. It offered 6% simple interest rate to spend on food and
asked by name 
calculus
how do I graph this using the first and second derivative and three sign charts. i have to label the inflection point, extreme values and the intercepts also. f(x)= x^36x^2
asked by angie 
Mathematics
What is the least positive integer greater than 1? Thanks :D
asked by Velvet 
Math
Find the vertex f(x)= x^2+6x+5
asked by April 
physics
Traveling at a speed of 18.0 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.580. What is the speed of the automobile after 1.44 s have
asked by Kyle 
Math
Let the function a@b be defined as 3a + 2b for all real numbers a and b. If u and v are real numbers for which u@v =v@u = 20, what is the value of 2u@3v?
asked by Isabelle 
Maths
What is the largest possible number that can be created for pin 9987 if no repetition is allowed For Outline baking the bank issues customers with access code ,the code has 3lettera followed by 3digits
asked by Chelsea Roberts 
Maths
PQRS is a rectangle, whose diagnols PR =2x + QS=3x+1.Find the value of x
asked by Anonymous 
Math
The sum of the first 10 terms of a geometric series is 699 050. The common ratio is 4. Determine the first term.
asked by Bry 
PreCalculus
A cylinder's height is 5cm longer than the radias of its base. Write a función modeling the cylinder's volume in terms of its diameter.
asked by Calvin 
Texas History
which capital was located nearest the frontier
asked by Katie 
PreCalculus
Tommy is building a rectangular playpen for his pigs where one side of the play area is a side of his barn. He has enough material to make a fence with a total length of 160 feet. write a función that represents the playpen's área in terms of its length
asked by Kevin 
Math
Solve the simultaneous equation n/4m/6=1 m/5+n/2=10 Using elimination method
asked by Rukayyerh 
Math
The sum of 3 numbers is 975. If you subtract x from each of these numbers you obtain 12, 345, and 126 respectively. What is x?
asked by Clary 
Physics
An alloy of iron and silver has a total mass of 30 grams and a volume of 20.4cm^3.Calculate the mass of iron only and the volume of silver only. [Density of iron=1.62gcm^3 and density of silver=0.9gcm^3]
asked by Juliet 
Trig
Let n be a fixed positive integer. Describe all solutions of sin(n theta) = 1/2 I know that the solutions would be (π/6)/n+(2πx)/n and (5π/6)/n+(2πx)/n ? How do I 'describe'
asked by Ryan 
Math
Alicia, Bill, and Ross are in Group A. David, Maddie, and Shelby are in Group B.The students are going to have their pictures taken. They will stand in 2 rows by group, and group members cannot be separated. If 2 girls or 2 boys cannot be standing next to
asked by Veronica 
calculus
Given, F(n+1)12f(n)=0. n≥1, where F(1)=3 find the solution to the equation.
asked by ..... 
Math
A rope hangs from the ceiling. It reaches the floor exactly. It's 4 feet from the wall. When it's pulled to the wall, the end of the rope is 4 inches above the floor. How high is the ceiling?
asked by Isabelle 
Math
The sum of three numbers is 975. If you subtract x from each of these numbers you obtain 12, 345, and 126 respectively. What is x?
asked by Isabelle