Questions Asked on
October 14, 2016

wORLD HISTORY
What is one reason that the Middle Ages are sometimes referred to as the "dark ages? for the fertile soil that supported agriculture *for the persecution suffered by certain Christian groups, as well as Jews and Muslims for the political disorder that
asked by BUBBLES 
Social Studies PLEASE HELP ME
Asha lives in a nation that has a legislature and a prime minister. Citizens in her country vote in elections to elect their legislative representatives. Then parliament appoints the prime minister. 1: Does Asha's nation have a limited or an unlimited
asked by Lexi 
math check answers
1. A surplus is _____. (1 point) when you spend more than you have in income when you spend less than you have in income when you spend the same amount that you have in income another word for income 2. Suppose that your net income for the month is $2500,
asked by Anonymous 
Math (just need some help)
A jet ski company charges a flat fee of $24.00 plus $2.25 per hour to rent a jet ski. Another company charges a fee of $23.00 plus $2.50 per hour to rent the same jet ski. Using a graphing calculator, find the number of hours for which the costs are the
asked by Olivia N J 
SS
how did the Aztec become so powerful
asked by Leila 
Language Arts
"I am a citizen of the world" is a key line in the story "When Greek Meets Greek." What does this line mean to you? Explain how this line fits the events of this story or another selection in this unit. Include details to support your explanation. Can you
asked by Ashley 
Math
What makes the statement true? 7^2=? A 49 B 1/49*** C 14 D 1/14 Am I correct?
asked by Ruby 
Spanish
Who initially brought Spanish to the new world? A) Roman soldiers B) The people of Hispania C) Spanish explorers and settlers**
asked by Cyborg_DRAGon 
Statistics
A college statistics class conducted a survey of how students spend their money. They asked 25 students to estimate how much money they typically spend each week on fast food. They determined that the mean amount spent on fast food is $31.52 with a
asked by sam 
physics
Two boxes are connected by a weightless cord running over a very light frictionless pulley as shown in the figure. Box A, of mass 8.0 kg, is initially at rest on the top of the table. The coefficient of kinetic friction between box A and the table is 0.10.
asked by qais 
History
How does the federal court system decide which criminal cases to take? A) they take cases that have already seen state courts B) a grand jury decides if each case has merit •• C) they take cases that are being appealed D) a Supreme Court justice
asked by Hills 
Algebra
Solve the system by elimination 2x + 2y + 3z = 0 2x  y + z = 3 2x + 3y + 3z = 5
asked by TaylorBear 
Algebra
1. Use the Distributive Property to simplify the expression. (1) (4c) 2. Use the Distributive Property to simplify the expression. 4 (2 x  4) 3. Use the Distributive Property to simplify the expression (10+4y) 1/2 4. To which subsets of real numbers
asked by PolkaDot 
Statistics
Suppose that 40 students take a quiz and everyone in the class scores an 80. The standard deviation of scores for this quiz is: 80 2 0
asked by sam 
physics
Starting from rest, a 93kg firefighter slides down a fire pole. The average frictional force everted on him by the pole has a magnitude of 710 N, and his speed at the bottom of the pole is 3.2 m/s. How far did he slide down the pole? What equation do you
asked by BrookeNeed 
Math
Define a variable and write and inequality for the statement: In order to earn credit for your Alegebra 1A course, you must earn at least a 70%. I'm not really sure how to answer this if someone can please help me step by step to figure this out. Thank You
asked by Anonymous 
ART PLEASE HELP
Which of the following is a convention that Chinese artists used in paintings? They sketched pencil outlines and then painted over them with black ink. They used one type of brushstroke to give their paintings unity and balance. They painted humans much
asked by meg 
HISTORY I got limited time
ESSAY: Compare the ways that herodotus and thucydides approached the writing of history.
asked by Nintendon't 
Geometry
If XZ=50, what are XY and YZ XY=a YZ=a+8 Can someone help me ASAP..IM SO CONFUSED
asked by Mimijola 
Social Studies
I need information on the... Mexican government during the time of the MexicanAmerican war I also need information on the American Settlers during that same time (MexicanAmerican war)
asked by EmberShy 
Social studies
What is a definition of citizenship? having been born in a country being a full and equal member of a nation having pledged to respect and support a governments's values****** fulfilling all the responsibilities and having all the rights of living in a
asked by Lexi 
Math
The scale on a map of Canada is 1: 8000000. The distance from Prince George, B.C., to Fredericton, N.B., is 5320 km. What is the distance between these 2 places on this map?
asked by Anonymous 
English
Which one is correct? did you go to the class yesterday? OR did you went to the class yesterday?
asked by A 
geometry
sketch LM on paper. Construct a line segment to LM. Then construct the perpendicular bisector of a line segment
asked by Student 
Physics
A crate of mass 100kg is at rest on a horizontal floor. The coefficient of static friction between the crate and the floor is 0.4, and the coefficient of kinetic friction is 0.3. A horizontal force, F, or magnitude 350N is applied to the crate. Which of
asked by Anon 
physics
"Rocket Man" has a propulsion unit strapped to his back. He starts from rest on the ground, fires the unit, and accelerates straight upward. At a height of 16 m, his speed is 5.5 m/s. His mass, including the propulsion unit, has the approximately constant
asked by BrookeNeed 
Math
the towns highway department marks a new road with reflective markers the road is 6 3/4 miles in length the markers are spaced every length 1/8 of a mile. What is an expression that can be used
asked by Daniel 
Statistics
A science teacher gives a test with 15 questions. This teacher is a hard grader. The teacher assigns points in the following manner: a correct answer = +1 point, an incorrect answer = 1 point, no answer = 0 points. So scores on the test could range from
asked by sam 
Social Studies
why do united states citizens have civic responsibilitys
asked by Ace 
Physics, ray optics
An astronomical telescope of magnifying power 7, consist of two thin lenses 40 cm apart in normal adjustment. Find the focal length of the lenses.
asked by Bishmay 
Algebra
A plane can fly 500 miles against the wind in the same amount of time that it can fly 775 miles with the wind. If the wind speed is 55mph, find the speed of the plane in still air.
asked by Tom 
Algebra
Solve the system by substitution x  y  z = 8 4x + 4y + 5z = 7 2x + 2z =4
asked by TaylorBear 
AMDM1
The amount of paint a painter needs is directly proportional to the area of the object he is painting. If a painter needs g gallons of paint for every s square feet that he paints, what is the total amount of paint that he needs to paint a house in terms
asked by RAY 
Physics
Block B has a mass of 4.50kg and is moving to the left at a speed of 4.50m/s. Block A has a mass of 6.50kg and is moving to the right. The two blocks undergo a perfectly inelastic collision. What should the velocity of the Block A be in order to have the
asked by Ashley 
Math
What is the of product of multiplication 8x25x23 using subtraction
asked by Sani 
physics
The concepts in this problem are similar to those in MultipleConcept Example 4, except that the force doing the work in this problem is the tension in the cable. A rescue helicopter lifts a 89.2kg person straight up by means of a cable. The person has an
asked by BrookeNeed 
math
A girl stands on the edge of her dorm roof and throws a ball into the air. The ball's height above the ground after t seconds is given by h equals negative 16 t squared plus 64 t plus 80h=−16t2+64t+80. When will the ball hit the ground?
asked by lem 
Math
The denominator of a fraction is 2, more than twice the numerator. If 7 is added to both the numerator and the denominator the new fraction would be equivalent to 2/3. Determine fhe original fraction.
asked by Anonymous 
Physics
A bowling ball rolls off the edge of a giant' table at 18 m/s. If it takes 6 s for the ball to hit the ground. A) How far does it land from the base of the table? B) how far does it fall?
asked by Sue 
Physics
Starting from rest, a 1.7x104 kg flea springs straight upward. While the flea is pushing off from the ground, the ground exerts an average upward force of 0.45 N on it. This force does 1.9x104 J of work on the flea. (a) What is the flea's speed when it
asked by BrookeNeed 
general chemistry
2C6H6(l)+15O2(g)> 12CO2(g)+6H20(l)+6542 kj If 6.200 g of C6H6 is burned and the heat produced from the burning is added to 5691 g of water at 21 °C, what is the final temperature of the water?
asked by fer 
math
"solve each problem and write your answers in scientific notation." 1. (6.0•10^5) •(3.0•10^4) 2.(5•10^2)/(2•10^3) 3.(2.56•10^6)•(3.56•10^2) 4. "In a recent year , the population was about 2.52•10^7 people. Its land area is about
asked by carley 
Social Studies
how was the southern region arranged?
asked by Aralyn 
History
How does sectionalism effect the economics and politics in the US today?
asked by Marylyn 
physics
The wavelength of first line of balmer series in hydrogen spectrum is 6563 A. Find the wavelength of first line of lyman series in the same spectrum.
asked by kat 
physics
What is the minimum work in joules needed to push a 1210 kg car 54.0 m up a 12.5 degree incline? (Ignore friction.)
asked by kassy 
math
place brackets in the following statement to make it true 206x2+1=2
asked by katie 
physics
A spring whose spring constant is 450 N/m is compressed 0.800 m. What speed (in meters/second) can it give to a 0.500 kg ball when released?
asked by kassy 
social studies
why do most people live in the western oart of columbia
asked by Kaily 
Cost Accounting
You have been appointed as the costing manager of a large health club having a membership of around 2000–2500 members. The club provides personal trainers for its members on request as an addon facility. The club pays a small salary to the hired
asked by Patte 
Math
Jared bought a cell phone for $42. Juanita spent 1 1/2 times as much. How much did she spend? Thank you very much!
asked by Tan 
Math
The towns highway department marks a new road with reflective markers. The road is 6 3/4 miles in length. The markers ar expanded every eighth 1/8 mile of a mile. A. What is a division problem to find how many markers ar installed B. Solve the problem C.
asked by James (PLEASE ANSWER) 
Chemistry
Two substances, gold and granite, initially at different temperatures, come into contact and reach thermal equilibrium. The mass of gold is 20.2 g and its initial temperature is 58.2 ∘C. The mass of granite is 29.1 g and its initial temperature is 20.1
asked by Diana 
Physics
A thin convex lens produce a real image on an a screen . if an object of height 36mm is placed 2000mm from the screen ,an image of height 684mm will be produced .determine A) the distance of the object from the lens B) the focal length of the lens
asked by Aiman Faiz 
math
There are 5 rock songs, 6 country songs, and 3 hiphop songs. How many different albums can be formed using the songs if the album should contain at least 1 rock song and 1 country song? My solution: 14C5x14C6x14C35C1x6C1 Is this correct? Thanks in
asked by Anonymous 
Math
In Buffalo, New York, the temperature was 14°F in the morning. If the temperature increased 8°F, what is the temperature now?
asked by Anonymous 
Math
You are supposed to come up with an equation to solve this problem. I have figured out how to do it, just not what the equation is supposed to look like. Anyways, here is the word problem. The taxi fare in Gotham City is $2.40 for the first .5 miles, and
asked by Abigail 
Physics
the mass of an empty density bottle is 4og and 5og when filled with liquid x.calculate the density of liquid x when dem
asked by WELLINGTON 
Chemistry
In order to determine the concentration of a solution of Carbonic Acid (H2CO3), a sample was placed in a buret and titrated with 0.1132 M Sodium hydroxide. For the carbonic acid, the initial reading was 11.0ml and final reading was 31.0 ml. For sodium
asked by Andrew 
Social studies 7
Homework Help: SS Help Posted by I like Cats on Thursday, October 6, 2016 at 12:47pm. 1. The U.S. Constitution calls for how many branches of government? A. two B. three •• C. Four D. Five 2. Which of the following responsibilities are held by the
asked by Hills 
Geometric progression
If the fifth term of a G.P. Is 81 and second term is 24, find the g.p. Sir this question answer 16,24,36,54 please help
asked by Rahul 
Physics
A cyclist whose mass is 48 kg turns a corner with a radius of 30 m at a speed of 25 m/s. A) What is the magnitude of the cyclist's acceleration? B) what is the magnitude of the force action on the cyclist?
asked by Sue 
Physics
A projectile is launched horizontally from a cliff and has initial speed 30 m/s. The projectile will hit the ground 10 s later. What is the horizontal component of the projectile's velocity 5.0 s after launch. Assume air resistance is negligible.
asked by Mary 
Physics
Al the astronaut has a weight of 1600 N when he is standing on the surface of earth. What is the force of gravity action on him when he is in space station orbiting earth at a distance of four earth radii from the center of the earth?
asked by Beth 
Science
Mom:Circke face Dad: Oval face Son: ? what's the son genotype & phenotype? may someone give me an example and help me under this question, please.
asked by Annie 
Maths
Write any 4 solutions. 1.x+4y=6 2.2xy=4 3.3x+y=5 4.2x=y 5.x=5y 6.3x7y=14
asked by Thanisha 
TURNER
SUPPOSE PAYMENT WHERE MADE AT THE END OF EACH MONTH INTO AN ORDINARY ANNUNITY INTEREST AT THE RATE OF 4.5%/YEAR COMPOUNDED MONTHLY. IF THE FUTURE VALUE OF THE ANNUNITY AFTER 13 YEARS IS $65,000 WHAT WAS THE SIZE OF EACH PAYMENT
asked by Anonymous 
Algebra
A Theatrical Play On the first night of the school play, the Drama Club sells 44 student tickets and 55 adult tickets and they take in a total of $416.02. On the second night, they sell 75 student tickets and 37 adult tickets and take in a total of
asked by Diandra 
Math (just need some help)
Solve the system using an augmented matrix. x3y=17 2x6y=26 Can someone please explain what I am supposed to do in this problem?
asked by Olivia N J 
Social studies connexus
in what way did soviet rule fail to live up to communist theory
asked by help 
Math 1105
 The heights of a ball (in feet) thrown with an initial velocity of 90 feet per second from an initial velocity of 90 feet per second from an initial height of 4 feet is given as a function of time t(in seconds)by s(t)= 16t^2+90t+4
asked by Rocio 
Physics
Angela and Paul are opposite ends of the 4.0 m long bar. Paul, whose mass is 78 kg feels attraction to Angela, whose mass is 55 kg. A: If the attraction is gravitational, how strong, in Newtons, is it? B: What are their individual weights?
asked by Beth 
science(chem 11)
did a lab on separation of salt and sand. the initial mass that my teacher gave me was the stock mixture that was: salt= 54.79g; sand= 97.90g. after the experiment my mass were as follow: salt= 1.35g; sand= 3.17g. question #1 was asking about the %
asked by Annon 
Math
If recipe calls for 3 parts of flour to sugar . what would the raito be if you doubled thr recipe.
asked by Shanti 
chemistry
Element x Isotope 55x 60% Isotope 56x 30% Isotope. 57x 10% 55× 60 =3300 56×30=1650 57× 10= 570 Add them up5520 divide by 100 the atomic weight of x is 55.2 Pls check if this is correct , answer and method
asked by lulu 
Physics
A rock is thrown off a cliff with a vertical speed of 53 m/s upward and a horizontal speed of 30 m/s. A) what will these speeds Vx and Vy, be 4 seconds later? B) what will be the x and y displacements of the rock be 4 seconds later?
asked by Beth 
Physics
Multiple Choice. If all of the forces acting on an object an object are balanced (net force is zero), then: a. The object's speed will decrease b. The object's direction of motion can change, but its speed cannot C. The object is ecperiencing zero
asked by Anon 
math
give a counterexample for the following conditional statement. If you live in West Virginia, then you live in Charleston.
asked by maggie 
chemistry
75.0 mL of a 1.50 M solution is diluted to a total volume of 278 mL. A 139mL portion of that solution is diluted by adding 139 mL of water. What is the final concentration? Assume the volumes are additive.
asked by tia 
mat advance analysis
True or False: If ab and a(b + 1), then a = ±1. [NOTE: Use this Theorem 3: If ab and ac, then a(bx+cy) for any integers x and y. PROOF: Since ab, there is an integer u such that b = au. Since ac, there is an integer v such that c = av.
asked by nathalie 
Statistics
suppose that 80% of all 18 year olds play basketball. if a sample size of 4 is taken, find the probability that the sample proportion lies within and including one standard deviation of the population proportion
asked by Jay 
Physics
Please show me how to work the following problems. 1) A cyclist whose mass is 48 kg turns a corner with a radius of 30 m at a speed of 25 m/s. A) What is the magnitude of the cyclist's acceleration? B) What is the magnitude of the net force acting on the
asked by Sue 
math
A room contains 80 sophomores of which 39 are males and 41 are females. There are also 69 juniors of which 36 are males and 33 are females. You pick 3 students at random. What is the probability that all 3 are males?
asked by help me 
Mechanics
Two blocks with equal masses m1 = m2 3.2 kg are connected via a pulley as shown in the above figure. Take the coefficent of kinetic friction to be 0.3 and the angle of the incline to be 40 degrees. Find the acceleration given that (Note: enter a negative
asked by Kevin 
Physics
I have a picture of one person pushing a boulder with 60 N and another person pushing from the same side at 90 N. The friction of the boulder is 40 N. The question asks to find the total force on the boulder. Is "total force" just the net force in this
asked by Anonymous 
chemistry 11
i did a lab on separation of salt and sand. the initial mass that my teacher gave me was the stock mixture that was: salt= 54.79g; sand= 97.90g. after the experiment my mass were as follow: salt= 1.35g; sand= 3.17g. question #1 was asking about the %
asked by Annon 
Math
1/2 + 1/3= A.1/6 B.1/3 C.2/3 D.1/6 3 5/1 + (6 1/2)= A.3 2/7 B.3 7/10 C.9 2/7 D.9 7/10 5/8 (2/8)= A.3/8 B.7/8 C.3/8 D.7/8 9/10  2/5= A.1 3/10 B.1 1/10 C.7/10 D.5/10 6 3/5(2 1/5) A.8 2/5 B.4 2/5 C.4 2/5 D.8 2/5 SOMEONE PLEASE HELP
asked by Clair 
physics
A 50.4g golf ball is driven from the tee with an initial speed of 45.7 m/s and rises to a height of 26.9 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) What is its speed when it is 7.80 m below its
asked by BrookeNeed 
Math
In Buffalo, New York, the temperature was 14°F in the morning. If the temperature increased 8°F, what is the temperature now?
asked by Anonymous 
math
The second term, the fifth term and eleventh term are in a Gp.if the eleventh term is 4.Find the difference between the sums of each progression
asked by daphne 
Work
How do you do a jigsaw puzzle?
asked by Person 
math (Reiny please help)
There are 5 rock songs, 6 country songs, and 3 hiphop songs. How many different albums can be formed using the songs if the album should contain at least 1 rock song and 1 country song? My solution: total number of songs is 5!x6!x3! Number of different
asked by Anonymous 
Sciencechemistry
How do I calculate the amount of heat will be required to make 100.0kg of a compound, the molar enthalpy is 63kj/mol for the same compound
asked by Sophia 
Physics
The 500 kg video display will be raised to its position 20 m above the arena floor by a motorized winch powered by a 12 volt battery. If the battery capacity is 100 Ahr and the system is 100% efficient, how many times could the display be lifted into
asked by Tyler 
Math
I walked 2/7 of a mile in 4/9 of an hour. at this rate, how far will I have traveled after an hour?
asked by Maria 
maths
radius is 4.5 cm and height 21 cm is cut into a cone of height 14 cm . find the radius of the smaller cone
asked by saran 
lab chimistry
Why we must mix the compound with MnO4?
asked by Malek 
math
60% of the students in a school are boys. 70% of the boys and 40% of the girls wear glasses, how many students are there in the school?
asked by grace 
FINANCE
hi! could someone give me a well known company with direct and indirect competitors ( at least 3) please!! please help me
asked by meg 
Foundation of a Healthy Lifestle
Because of the potential effects of chromosomal abnormalities, a child's development begins: A. at conception B. at birth C. when embryo becomes a fetus D. when viability occurs Is the answer C?
asked by Brigette 
math (Reiny please help)
There are 15 available toppings and 5 different pizza sizes in a pizza restaurant. If Maria wants to order a 4topping pizza, how many different pizzas could she order? My solution: 15C4/5! 4 topping 15C4=1365 Is this correct? Thank you.
asked by Anonymous 
Social Studies
I need help describing the religious, social, and political life of the southern colonies...
asked by Aralyn 
math
place brackets in the following statement to make it true 20  6 x 2 + 1 = 2
asked by katie 
APPHYSIC
A bullet is fired straight up from a gun with a muzzle velocity of 235 m/s. Neglecting air resistance, what will be its displacement after 5.7 s? The acceleration of gravity is 9.8 m/s 2 . Answer in units of m
asked by Camilla 
Mechanics
A block of mass m1 hangs vertically and is attached by a string to a block of mass m2 on a frictionless slope inclined at angle theta to the horizontal, as shown above. If m1 = 2.5 kg, it accelerates at 0.108 m/s2. If m1 = 0.8 kg, it accelerates at 2.888
asked by Kevin 
Maths
Linear equations in two variables Draw a graph 1.x+y=9 2.2x+y=6 3.xy=4 4.y=4x 5.2xy=4 6.3x+y=4 7.6x5y=1 8.3x=y+4 9.x=5y 10.x5y=7
asked by Thanisha 
Physics
You are in an elevator that is accelerating upwards at 2m/s^2. If your mass is 70kg, what is the normal force pushing on you by the floor of the elevator? A. 70N B. 690N C. 830N Please give the correct answer and an explanation as to why its correct.
asked by Anon 
math
one side of a triangle is 4 cm. The sum of the two other sides is 11 and all sides are integers. What is the largest possible side.
asked by ismael 
Fractions
Is the answer to 3/9 x 4/8 same as the answer to 4/9 x 3/8? Why or why not? 3/9 x 4/8 = 1/6 4/9 x 3/8 = 12/72 (I multiplied straight across after reducing the fractions as much as they could be reduced)
asked by Kathy 
Mathematic
Determine the first three terms of the geometric progression of which the 7th term is 192 and te second term is 6
asked by Babazile 
Math
Solve. Movie tickets cost $9.50. How much change will a customer who pays for one ticket with a $20.00 bill received?
asked by Emilia 
Physics
Why is the joulesecond (J*s) equivalent to kg*m^2/s ?
asked by Anon 
History
What was the reason of congo war?
asked by Augustus 
Physics
A rock is thrown off a cliff with a vertical speed of 53 m/s upward and a horizontal speed of 30 m/s. A) what will these speeds Vx and Vy be 4 second later? B) what will be the x and y displacements of the rock be 4 second later?
asked by Sue 
science (chemistry)
The % (by weight) of methanol in a mixturevof methanol and ethanol is50%.Therefore,the mole fraction of methanol in the mixture is
asked by muskan 
Statistic
Gooogness to fit L1. L2. L3 18. .20. 19.2 12. .10. 9.6 14. .15. 14.4 16. .15. 14.4 21. .20. 19.2 15. .20. 19.2 Tie ti 84 X2=1.95. P=X2cdf(195,E99,5)= .8567 is right But I keep get for p.8560 I'm not understanding where I'm going wrong Thank u
asked by Help 
Math
the towns highway department marks a new road with reflective markers the road is 6 3/4 miles in length the markers are spaced every length 1/8 of a mile
asked by James 
Social studies
Indentifying the claim,the assuptions that the document make of the 8 amendment from the bill of rights?
asked by Yailin 
Foundation of a Healthy Lifestle
Which of the following is a potential effect on children living in environments lacking in stimulation? A. Decreased appetite with the possibility of stunted growth. B. Increased appetite and the possibility of childhood obesity. C. A brain that's 20
asked by Brigette