Questions Asked on
January 4, 2016

Algebra 1
Sara is selling cookies and brownies for a fundraiser for the school band. She charges $2.25 for 2 cookies and 1 brownie. She charges $5.75 for 4 cookies and 3 brownies. How much does sara charge per cookie? how much per brownie?
asked by Sierra Elizabeth 
Math
One car is 3.9 meters long the other is 6%shorter How long is second car? What is the formula I use for questions involving %
asked by Nancy 
Science
How are temperature and thermal energy related A) Temperature and thermal energy both measure the total kinetic energy in an object. B) Temperature is one factor that determines the thermal energy of an object C) Thermal energy is one factor that
asked by trololololololololol 
Algebra 1
Terry has completed 15 homework problems, and Susan has competed 9. Terry is completing 10 problems per hour and Susan is competing 12 problems per hour. After how many hours will terry and susan have completed the same number of problems ??
asked by Sierra Elizabeth 
math
The sides of a square field are 12 meters. A sprinkler in the center of the field sprays a circular area with a diameter that corresponds to a side of the field. How much of the field is not reached by the sprinkler? Round your answer to the nearest
asked by Tim 
U.S. History (Ms. Sue) (Check, Please!)
How did rationing affect daily life in the United States? How did it affect the economy? A: Rationing deeply affected daily life in the United States. People were given ration books and had to use coupons to purchase food and items such as coffee and
asked by Victoria 
Life Span Development
As Selena and her friends are walking home after school they approach a corner store and see bags of candy and snacks on open shelves outside the front door. A young clerk is also outside waiting for customers. As they get closer, they see the clerk go
asked by Lisa 
Rational Numbers
Which of these is a rational numbers? A. Pi B. √3 C.√2 D. 1.33333333…. Thank you!
asked by Lucia Vendales 
U.S. History
What did John Smith and Anne Hutchinson have in common? Both were thought of as troublemakers. Both were governors upon arrival in America. Both were Puritans who lived in New England. Both had disagreements with the Puritans***
asked by Labbayk 
English
Identify the correct sentence. a.Please proceed slowly. b.He knows English good. c.She is real smart. d.She listen good.
asked by Anonymous 
math
Find two mixed numbers that up to 16 but have a difference of 5???
asked by miranda 
History
Case Study: General Andrew Jackson: Andrew Jackson's military career spanned several wars including the American Revolution, the Creek War, the War of 1812, and the First Seminole War. After the Creek War, Jackson and the Creek Indians signed the Treaty of
asked by MarcAnthony 
Algebra 1
which graph represents the solution to the given system y=x+2 and y=3x1 ??
asked by Sierra Elizabeth 
Algebra 1
which graph represents the solution of the given system? y= 3x4 y+4=3x
asked by Sierra Elizabeth 
physics
A 1500 kg car traveling West at 90.0 km/h collides with a 1400 kg truck traveling North at 72.0 km/h.The two vehicles entangle after the collision and head off as one. What is the velocity of the wreckage immediately after the collision?
asked by Mia 
U.S. History
What can you infer about what Lewis and Clark saw as they moved west from the Mississippi River? A. The land on the east coast was more fertile than the land in the west coast B. The landscape rose sharply and then flattened as they went farther west C.
asked by Summer Moriarty 
Word problem help plz
The sum of the age of father and son is 99.if the age of the son is added to the inverted age of the father,the sum is 72.if the inverted age of the son is subtracted from the age of the father.the difference is 28...what are there age? plz help i do not
asked by Collins 
U.S. History
Read this question: "If representation in Congress is to be determined by the number of people who live in each state, should slaves be counted?" At the Constitutional Convention, how would someone from a Southern state most likely respond? Yes, they live
asked by Labbayk 
Maths
A closed tin of milk has a diameter of 10 cm and height 16 cm , find the total surface area of the tin {take pie to be 22/7}
asked by Anita 
U.S. History
Which answer best shows an effect of British soldiers firing upon colonists in Boston, killing five of them? The first shots of the American Revolution are fired, which officially starts a war between the colonies and Britain. *** The Sons of Liberty
asked by Labbayk 
Calculus
A ball is thrown straight up from the top of a hill 30 feet high with an initial velocity of 72ft/sec. How high above level ground will the ball get? (Objects subjected to gravity adhere to s(t) = 16t^2 + v0t + so where s is the height of the object in
asked by Help 
Algebra
a theater wants to take in at least $2000 for a certain matinee. children's tickets cost $5 each and adult tickets cost $10 each. the theatre can seat up to 350 people. find five combinations of children and adult tickets that will make their goal.
asked by Samantha 
chemistry
state what happens when chlorine is bubbled through Iron(II) sulphate solution .
asked by Anonymous 
U.S. History
What was one factor that caused the British to surrender at Yorktown? British soldiers were suffering from disease and refused to fight. George Washington's soldiers outnumbered the British soldiers two to one. British troops received a false message from
asked by Labbayk 
History
What were the main labor sources in the Middle colonies? Family and slaves Immigrants and slaves Immigrants and indentured servants Indentured servants and family I believe the answer is B. Immigrants and slaves
asked by MarcAnthony 
Science
13.5g aluminium changes to Al^3+ in solution by loosing ..... electrons.
asked by Chemistry question 
Math
In a school orchestra, 2/5 of the students are string players. Of the string players, 5/8 are girls. What fraction of all the students in the orchestra are girls who play string instruments.
asked by Jaden 
Algebra 1
which graph represents the solution to the given system 4x+ 2y = 11 and 2x + 2y = 15.
asked by Sierra Elizabeth 
physics
a stone propelled from a catapult with a speed of 50ms1 attains a height of 100m. Calculate the time of flight and the angle of projection
asked by chisom 
Spanish
Which word best completes the following sentence? The standard variety of Spanish is considered _______. a. natural b. colorful*** c. easy d. neutral
asked by Kaai97 
English
Identify the correct sentence. a.She doesn't call me no more. b.She doesn't never call me no more. c.She doesn't call me anymore. d.She doesn't ever call me no more.
asked by Anonymous 
Math
There are 14 children in little league baseball team. Only 9 can play at a time. The baseball season has 42 games. The coach decided that each of the 14 children would play in the same number of complete games.In how many complete games will Howard, one of
asked by JIm 
ALEGEBRA 1
Part A: Explain why the xcoordinates of the points where the graphs of the equations y = 2−x and y = 4x + 3 intersect are the solutions of the equation 2−x = 4x + 3. Part B: Make tables to find the solution to 2−x = 4x + 3. Take the integer values
asked by Annabelle 
English
The class was asked to sit: a. quiet anywhere. b. quietly anywhere. c. quiet anywheres.
asked by Anonymous 
U.S. History
Which answer best defines the civic virtue "common good"? Common good means honoring one's country. Common good means something is beneficial to an entire group. Common good means respect for many opinions, cultures, and religious beliefs.*** Common good
asked by Labbayk 
Math
You are ordering a meal and have $15 to spend . The restaurant charges 6% sales tax. You plan to leave a 15% tip . The equation C = x + 0.06x + 0.15x gives the total cost C of your meal , where x is the cost before tax and tip . What is the maximum amount
asked by Gary 
Probability
A box contains 3 blue, 5 red, 4 white marbles. If one marble drawn at random: find probability of blue given not white. Find probability of not red given not white
asked by Stacy 
Biology
3. One different between a point mutation and a chromosomal mutation is that A. A point mutation affects the DNA of more genes than a chromosomal mutation B. A point mutation can involve a insertion or deletion, but cannot result in a frameshift C. A
asked by SkatingDJ 
U.S. History
Which colonial area or areas placed a high value on religious freedom? Middle and Southern New England and Middle *** New England only Southern and New England
asked by Labbayk 
math
Maria plans to fill the pots in her garden with soil and plant food. Maria has 8 1/4 quarts of soil and 1 1/2 quarts of plant food. Part A Each pot requires 3/4 quart of soil. For how many pots does Maria have enough soil? Show your work. Answer : 11pots
asked by Sai 
Remington
The radius of the base of a cylinder is 4.00 in. The height of the cylinder is 12.00 in. Find the surface area of the cylinder using 3.14 as a value for pi. Round to the nearest hundredth.
asked by Anonymous 
Social Studies (Check, Please!) (Ms. Sue)
1. How did the Battle at Stalingrad change the fate of the Allies and the momentum of the war? A: The Battle at Stalingrad gave the Allies an important win and improved the morale of the people. The battle changed the momentum of the war as it was a major
asked by Victoria 
US History
Read the following paraphrase from George Washington's Farewell Address and answer the following question. People have the right to make and alter their governments. But the constitution is sacred law until changed by the whole people together. The very
asked by Summer Moriarty 
english
Identify the INCORRECT sentence. a. Amanda worked diligently on her algebra. b. Trudy bought a Americanmade car. c. My sister angrily slammed the door. d. You should concentrate closely on whatever you write.
asked by Anonymous 
math
Use any method to add or subtract. 5/7  (3/14 + 3/14)
asked by christopher 
L.A.
Choose the meaning that best describes the word in quotation marks. The first choice of vacation days should go to employees with "seniority". a. the highest age b. an inherited status ** c. the most years of service d. the most years education
asked by Fuller 
Social Studies (Check, Please!) (Ms. Sue)
How did the food served at the camp show a lack of understanding of Japanese culture? A: The food served at the internment camp were canned Vienna sausage, canned string beans, streamed rice that had been cooked too long, and on top of the rice a serving
asked by Victoria 
physics
As shown in the diagram, a bullet of mass 7.0 g strikes a block of wood of mass 2.1 kg. The block of wood is suspended by a string of length 2.0 m, forming a pendulum. The bullet lodges in the wood, and together they swing upward a distance of 0.40 m from
asked by jose 
math
estimate each quotient 461 divided by 9
asked by evan 
Calculus
Which of the following integrals represents the volume of the solid formed by revolving the region bounded by y=x^3, y=1, and x=2 about the line y=10? a) pi*∫from (81) of (10y)(2y^(1/3))dy b) pi*∫ from (12) of (81(10x^3)^2)dx c)2pi*∫from (18)
asked by Fred 
U.S. History
Read this question: "If representation in Congress is to be determined by the number of people who live in each state, should slaves be counted?" At the Constitutional Convention, how would someone from a Southern state most likely respond? Yes, they live
asked by Labbayk 
physics
You are on a hike in the mountains. You have 3.03 km left to go before your next campsite. The sun will set in 5.2 h. What average speed must you walk to get to camp at sunset? Answer in units of km/h.
asked by zach 
History
Which of the following describes the effect of the 1763 Treaty of Paris on France's American land holdings? France retained its territory in Detroit, Quebec, and Montreal. France lost its territory in Canada and east of the Mississippi River. France gained
asked by MarcAnthony 
Math
Dixon and his little sister Ariadne stand next to each other on the playground on a sunny afternoon. Their mother measures their shadows. Dixon's shadow is 18 feet long and Ariadne's shadow is 15 feet long. If Dixon is 6 feet tall, how tall is Ariadne?
asked by Claire 
U.S. History
Which of the following effects of the French and Indian War was most responsible for starting the American Revolutionary War? Native Americans lost large amounts of territory. Britain incurred a large debt as a result of the war.*** France ceded land in
asked by Labbayk 
Math
Identify the sequence... 3,888, 216, 12, 2/3... a. arithmetic b. geometric c. neither d. both Is it c or d?
asked by Juno 
Social Studies (Check, Please!) (Ms. Sue)
Why did racism lead to violence in Detroit and Los Angeles in 1943? A: Many Americans considered the long, baggy zoot suit worn by some Mexican American teenagers unpatriotic. Riots erupted in Los Angeles in June of 1943 after it was rumored that "zoot
asked by Victoria 
U.S. History
Between 1763 and 1815, most of the population was made up of indentured servants, slaves, women, children, and the working class. Even so, policies were written mainly by white, male landowners. Which answer explains why this was the case? The other groups
asked by Labbayk 
algebra
Draw a rectangle to show that 5 (x + 2 ) and 5x + 10 are equivalent ?
asked by Rick 
Maths
A soak away was dug by 5 men in 24 days. How many days will it take 15 men to dig it if they were to work at the same rate.
asked by Anita 
statistics
The pie chart below shows how the total annual income for a certain family is spent. If the total annual income is , what amount is budgeted for Savings and Insurance combined?
asked by donna 
U.S. History
Based on the map, which city would be best for a shipping port? A. Fort Panmure B. Fort Toulouse C. New Orleans D. St. Marks Is the answer C?
asked by Summer Moriarty 
U.S. History
U.S. Groups of the late 1700's and early 1800's . Women . children . indentured servants . Native Americans . African Americans . Working Class Which is one characteristic common to all groups listed above? A. They rarely attained landownership B. They
asked by Summer Moriarty 
Math
Find each unit rate Julio walks 3 1/2miles in 1 1/4hours
asked by Christy 
Algebra 1
What is the graph of the inequality in the coordinate plane ?? x ≥ 3 please help. I'm lost.
asked by Sierra Elizabeth 
Science  Check my Answer Plz (again)
A beaker contains 50.0 mL of water at 90.0°C. How many calories must be added to raise the temperature of the water to its boiling point (100°C)? A) 50.0 cal B) 1.00*10^3 C) 100.0 cal D) 5.00*10^2 I think the answer is B, but i also think im wrong...
asked by Saisir le Jour 
Algebra
Write an equation of the line that is parallel to the graph of y=7x 3 and passes through the origin
asked by Tink 
History
According to the map, which country controlled land bordering the northernmost part of the Louisiana Purchase? France Canada Spain Great Britain I believe the answer D.
asked by MarcAnthony 
Physic
Show that the function y(x,t) = X^2 + V^2t^2 is a solution of the general wave equation.
asked by Godwin 
Algebra 1
What is the graph of the inequality in the coordinate plane ?? y< 2
asked by Sierra Elizabeth 
Maths
Two numbers are in the ratio of 7:9, the smaller is 42, what is the larger?
asked by Iyalla Hart 
physics
Two balls have the same mass. One ball moving along the positive xaxis and the other ball moving along the positive yaxis undergo perfectly inelastic collision. What can you say about the motion of the balls after the collision? a) the balls stick and
asked by shusha 
Geometry
"Given quadrilateral ABCD with A(0,0) B(4,2) C(3,3) and D(1,2), prove that ABCD is a nonisosceles trapezoid" I don't understand how to put this as a proof, since I have to include formulas and reasons. Wouldn't a nonisosceles trapezoid be a normal
asked by Meema 
Algebra
write equation of given translation of y=x 1 unit down 5 units right 10 units left 4 units up 6 units left
asked by Jack 
language arts
has anyone here read, the watsons go to birmingham because i have a question on it?
asked by moo 
Algebra 1
A local citizen wants to fence a rectangular community garden. The length of the garden should at least be 110 ft. and the distance around should be no more than 380 ft. Which system of inequalities and graph represent the possible dimensions?
asked by Sierra Elizabeth 
PLZ Check my Science Project's summary?!
The following r the instructions to my Project:  Compose a scientific summary of your method, observations, data, and conclusions. In addition, be sure to answer the questions below in your report. 1. Why does the first method for determining volume work
asked by Natasha 
U.S. History
George Washington was an enormously popular general. Why didn't he try to become a king? He believed in a republican form of government.*** He knew the army would be hard to control. He thought future monarchs would abuse power. He was afraid he would be
asked by Labbayk 
U.S. History
What did John Smith and Anne Hutchinson have in common? Both were thought of as troublemakers. Both were governors upon arrival in America. Both were Puritans who lived in New England. *** Both had disagreements with the Puritans.
asked by Labbayk 
Maths
The angle of depression of a point g on a horizontal ground top , T of an electric pole is 25 degrees .if the distance from g to the foot of the pole is 45 m , calculate the height of the pole to the nearest whole number.
asked by Anita 
U.S. History
Veena writes an essay about Native Americans in the 1800's Native Americans and U.S settlers struggled for land during the early 1800's. U.S. citizens slowly pushed Native Americans off their traditional lands. They fought wars, such as Seminole War, for
asked by Summer Moriarty 
us history
Which event transferred Florida from British possession back to Spain in the late 1700's? A. First Seminole War B. Pickney's Treaty C. Adamsonis Treaty D. Treaty of Paris*** Which factor helped Touissant L'Ouverture be an effective leader during the
asked by Summer Moriarty 
Math
Jamie trains on his surfs every weekend. He paddles upstream for 3 1/2 hours, and then returns downstream to the point where he started in 2 hours and 6 minutes. If the river flows at 3 km/h find: a) his paddling speed in still water
asked by Anonymous 
Algebra
The perimeter of a square must be greater than 42 inches but less than 68 inches. Find the range of possible side lengths that sat soft these conditions.
asked by Cruz 
U.S. History
Which of the following correctly describes the flow of commodities in the triangle trade? Cuba's rum is traded for slaves in New England. The slaves are brought to Cuba to grow sugar. Cuban sugar is exported to New England, where it is distilled into rum.
asked by Labbayk 
math
Abel Save a 43 more nickels than dimes. After he spents 17 dimes, he had twice as many nickel than dimes . How many coins did he have left ? Is the below answer is correct because in question he is saying twice as many nickel than dimes number of dimes 
asked by Gayatri 
Math! Pls Help!
A store is having a 10%off sale. It gives an additional 10% off if the price is still over $100 after the first discount. A jacket costs $199.99. Will you get the second discount and if so, how many dollars will you save in total? a. yes; $12.49 b. yes;
asked by Talia 
Science
1 mole of chlorine combines with a certain weight of a metal giving 111g of its chloride. The atomic weight of the metal (assuming its valency to be 2) is
asked by Chemistry question 
Math
find two mixed numbers so that the sum is 16 and the difference is 15. find three mixed numbers so that the least number is 5 1/5.
asked by Vee 
engineering maths. need answer asap
A railway wagon of mass 15 t is moving along a level track at 10 km/h when it collides and couples together with a second wagon of mass 30 t moving in the same direction at 5 km/h. if the two wagons couple together after the impact, what would be their
asked by wahis 
j
She waited patiently for her turn on line at the New Age bookstore.
asked by Anonymous 
Science
an airplane flies 800 km east and 600 in north. What is the total displacement (with approximate direction)? What is the total distance traveled?
asked by Jaylah 
Algebra 1
What is the solution? use elimination . 4xy=23 7xy=21
asked by Sierra Elizabeth 
Algebra 1
How many solutions does this system of equations have ?? 2x= 10y + 6 and x+ 5y = 3
asked by Sierra Elizabeth 
U.S. History
George Washington was an enormously popular general. Why didn't he try to become a king? He believed in a republican form of government.*** He knew the army would be hard to control. He thought future monarchs would abuse power. He was afraid he would be
asked by Labbayk 
diameter/kg
What is the mass of water required to fill a circular hot tub 3.4 m in diameter and 1.4 m deep? Answer in units of kg.
asked by Serena 
math
Ronnie is thinking of a number. He says that he gets the same result when he multiplies his number by 2 as when he adds 5 to his number. What is the number?
asked by Heather 
Physics
suppose that an astronaut throws a rock into outer space at a location far from significant influences of gravity and air resistance. One would expect the rock would A. eventually stop because all objects "lose steam" B. eventually stops as its inertia
asked by Blair 
Math
The science test grades are posted. All students taking the test scored over 75. Unfortunately, 4 students were absent for the test and the computer listed their scores as 0 until the test is taken. Assuming that no score repeated more times than the 0's,
asked by Vstar 
Maths
The ratio of the corresponding sides of two similar triangles are 2:5.Calculate the area of the larger triangle if the area of the smaller triangle is 28 square.
asked by Anita 
Algebra 1
which graph represents the solution of the given system? y=3x+2 y=3x1 please hep!!
asked by Sierra Elizabeth 
math
The Johnson family has been very busy and has not done their laundry for several weeks.The dirty laundry pile consists of 540 item of clothing.They figure they can put on average of 27 pieces of clothing in a single load.How many loads of laundry will the
asked by Anonymous 
Science  Check my Answer Plz
How much heat (calories) must be applied to a 100 mL beaker filled with boiling water in order to vaporize the water? ** A) 540 cal ** B) 540 * 10^4 cal C) 800 cal D) 8000 cal Is A correct? or cud it be B.?
asked by Saisir le Jour 
U.S. History (Ms. Sue)
1. How did mobilizing the economy help end the Depression? A: Mobilizing the economy helped end the Depression as it created almost 19 million new jobs and nearly doubled the average family's income. 2. What changes did American citizens and industry have
asked by Victoria 
US History
Which of these was a precedent that George Washington set? constitutional amendment process formal presidential dinners****** Singing of the national anthem use of a presidential cabinet
asked by Summer Moriarty 
Algebra! Errr, whatever it is.
Which is J = rb solved for r? a. r = j/4b b. r = 4b/j c. r = j  4b d. r = j/b I got "a". Which is M = 300J/P solved for J? a. J = 300PM b. J = 300M/P c. J = 300/PM d. J = PM/300 I got "d". So do they both look right? Or not? Plz tell me! I'd like that A
asked by Rainee's Stuck! 
Math
Vanessa has taken 4 quizzes so far and her average score so far is an 88. If she gets a 100, a perfect score on the remaining two quizzes, what will her new average be?
asked by Vstar 
Geography (Ms.Sue ) Help
In the context of European colonization, Portugal controlled Mozambique and A. Angola. B. Congo. C. Kenya. D. Madagascar. A?
asked by Brooklyn 
Math
Shannon bought 9 pounds of almonds for a total cost of $27. The cost per pound of cashews is 70% more than the cost of almonds. Shannon bought enough cashews that when she mixed them with the almonds the cost was $4.00 per pound. What percent of the
asked by Brittany 
Algebra 1
How many solutions does this system of equations have ?? 2x= 10y + 6 and x+ 5y = 3 does it have infinitey many??
asked by Sierra Elizabeth 
Calculus
Find the volume generated by rotating about the x axis the area bounded by x=0, y=2sinxcosx,, y=2cosx, and x=4, if 0≤x≤pi/2. I don't get the graph.
asked by Andre 
Math
A group of 21 people have enough food for 24 days. If 15 additional people join them, they would have enough food for only___days. (Assume everyone eats the same amount of food each day)
asked by Sally 
Geography (Ms.Sue ) Help
Sudan is omitted from inclusion in the subSaharan region because it . A. contains most of the evidence of humanity's African origins. B. doesn't border the Sahara Desert. C. is linked to Egypt by the Nile. D. is politically distinct from other regional
asked by Brooklyn 
Science
This has already been posted, however the provided answer does not make sense. Anyone have additional insight for this one? An excess of aluminum metal is added to 200.0 mL of 0.025 M solution of CuCl2, reducing the Cu+2 ions to metallic Cu. If the
asked by Chem Help 
Science Project Help
Hello, My science project is asking me to "compose a scientific summary of your method, observations, data, and conclusions" on determining the volume of both regular & irregular objects. They wanted me to answer the 4 questions below in my summary: 1. Why
asked by NAtasha 
Social Studies
Why did racism lead to violence in Detroit and Los Angeles in 1943?
asked by Victoria 
Algebra 1
What is the solution of the system? use substitution . 4x+2y=10, y=3x+6
asked by Sierra Elizabeth 
Bionomial expansion help agn #thanks
find the third term of the binomial expansion (root(x)+1/root(y)^6 plz help i do not no it at all show working!!
asked by Collins 
Physics
Show that the function y(x,t) = X^2+V^2t^2 is a solution of the general wave equation.
asked by Godwin 
Math Algebra
write equation of given translation of y=x 1 unit down 5 units 10 units left 4 units up 6 units left
asked by Jack 
Language Art
Choose The Meaning That Best Matches The Word Honing A.Grinding B.Perfecting C.Filming D.Grooming
asked by Sid.V 
grammar
Finishing quickly is not as important as  all question correctly. Options: 1. answer 2. answered 3. answers 4. answering Please fill in the blank
asked by rumika 
Math
Estimate the quotient, using two set of compatible numbers
asked by Angela 
Math
The length of rectangle is twice its width,and its perimetet is 90. What is its area?
asked by Akemi 
Physics
A 25.2 kg block of wood is pulled across a floor at a constant 9.74 m/s with a constant 62.7 N force. The bottom of the box has a surface area of 65.1 cm2. If the block was put on its side (which has twice the surface area of the bottom) and pulled with
asked by Ron 
Math
there were 50 student in the Chess Club the membership went up buy 10% how many more student joined the the club?
asked by Printia 
U.S. History (Ms. Sue) (Help!)
I don't know how to answer the following two questions. No matter what I read, I cannot figure out how to what to write. Please, help me! 1. Why did racism lead to violence in Detroit and Los Angeles in 1943? 2. How did rationing affect daily life in the
asked by Victoria 
Math
y=arccos(sin(x)), find dy/dx and sketch it's graph(I guess I can do this on wolframalpha after I'm done solving the question). And by arcsin I mean inverse of the expression(written like cos^1(sin(x)), but is not 1/cos(sinx) but the inverse of cos). I am
asked by Beth 
Math
y=arccos(sin(x)), find dy/dx. I got 1, is this correct? When I tried to check on wolfram alpha I didn't get this right.
asked by Beth 
Algebra
The temperature at 7 AM in Chicago was 12 degrees. If the temperature increased 3 degrees every hour. What would the temperature be in Chicago at noon?
asked by Mandy 
math
where Amanda lives the sales tax is 7%. Amanda paid $35 in sales tax on a new stereo. what was the price of the stereo?
asked by hannah 
Algebra 1
How many solutions does this system of equations have ?? y= 4x + 3 and 2y  8x =3
asked by Sierra Elizabeth 
Geography (Ms.Sue ) Help
Moving from coastal to interior regions of subSaharan Africa, we discover that the dominant physicalgeographic feature is A. many coastal inlets. B. mountainous terrain. C. ascending plateaus. D. lush rainforest. C?
asked by Brooklyn 
Math
Which equivalent fraction would you have use in order to make 3/5 to 21/25?? Plz have an explanation of how you solved the answer and not just one sentence. Thank you!!
asked by Jessica 
algebra
The perimeter of a rectangle is 90 centimeters. If the length is double the size of the width, what is the area?
asked by kiera 
math
What is the are of 18ft 18ft 4ft 3ft 3ft
asked by Daniel 
calc
1) lim x→0 j(x) = ? when j(x) = 3; x0 2) lim x→1 h(x) = ? when h(x) = x^2 + 1; x1
asked by yani 
calculus
the region bounded by the graph f(x)=x(2x) and the x axis is revolved about the y axis. Find the volume of the solid. I did the integral using the shell method, but the answer wasn't correct.
asked by john 
Math
Abel Save a 43 more nickels than dimes. After he spents 17 dimes, he had twice as many nickel than dimes . How many coins did he have left ? not like this answer below need the chart model : number of dimes  x number of nickels  x+43 he spends 17
asked by Gayarhri 
Algebra
7x^12/5  50x^7/5 + 7x^2/5 = 0
asked by Matj 
science
I am wondering why H2S has only London Dispersion forces and not Hydrogen Bonding?
asked by David 
Calculus help plz i do not no it at all
Integrate: xrootof(2+3.fourth rootof(x^3)/x^6.root(x) plz help i do not no it at all show working!!
asked by Collins 
math
7x3y=41 2x=5y Solve using augmented matrix What do i do?
asked by Andrew 
Math
Solve. 24  (8 ÷ 2) + 6 =
asked by Daisy205 
Math
What's 4x to the second power + 12x +8 factored?
asked by Vanessa 
English Grammar
Hi, I'm writing an English essay and I was wondering which sentence is grammatically correct. 1)The individual rights to speak are taken from John and Mary or 2) The individual's right to speak are taken from John and Mary
asked by Sara 
physics
a 4200 kg helicopter accelerate upward 3m/s^2. lift force is exerted by the air on the propellers?(g=10m/s^2)
asked by biruk 
math
What rate of interest to produce 22,500 as interest from an invesment of 8,50,000 in three years
asked by sola 
math
Abel Save a 43 more nickels than dimes. After he spents 17 dimes, he had twice as many nickel than dimes . How many coins did he have left ?
asked by Gayarhri 
Math
How do i figure out the weight of the quantity if 3% of the full weight is 43 grams?
asked by Anonymous 
math
Assume that all chickens have 3290 feathers. If it takes you 2.6 seconds to pluck 83.6 feathers, how many hours would it take you to defeather 7256 chickens? Answer in units of hours.
asked by Amy 
Math
What is the unite rate of 1 slice of beaf party
asked by Idiatou 
Math
I can invest money at 5.75% per annum. How much should I invest now to ensure that I have $5000 after 1 year?
asked by Anonymous 
Math
What is {23%,0.21,1/4,1/5} from least to greatest I need the answer today please thank you
asked by Nick 
Calculus help plz
Integrate:cosmxcosnx.dx if m=n i can not solve it i have tried my best but to no avail
asked by Collins 
Science
Resistance of tungsten wire is higher when it is hot and lower when it is cold this is because the temperature is
asked by Mox 
Math
Simplify the following expression:(6 x^4)(4 y^2) / [ (3 x^2)(16 y) ] Please help, I don't get this!
asked by Katlyn Winchester 
eglish
In which sentence is the punctuation correct?
asked by Neko 
Science  Explaination on Heat Capacity?
I need some1 to explain heat capacity to me because the way my lesson is teaching it is EXTREMELY confusing!! A simple explanation would be nice! Dumb it down 4 a 7th grader!!!!! If you could use the following question in the explanation, that would be
asked by Sairsir le Jour 
Algrebra
Given that a(x+7)=24, which expression is equivalent to x? A. 24/a7 B.247/a C. 24/a 7 D. 247/a
asked by Melissa 
geometry
1/2 of 1/3 equals give it to me in the simplest form
asked by Joseph Michael Calais 
chemistry
I am wondering why H2S has only London Dispersion forces and not Hydrogen Bonding?
asked by David 
Math
Interest of $22.05 was earned in 3 months on a balance of $1960.00. What is the interest rate per annum earned on that account?
asked by Anonymous 
math
Evaluate tan (inverse cosine of 2/3). a. square root of 5 divided by 2 b. square root of 5 divided by 3 c. square root of 5 divided by 5 I have a feeling that the answer would be a but what i am confused about is how do we figure out what the value is for
asked by David 
math
m  7 1 m < 13 m < 13 please check my answer!!!!!!
asked by lilly 
Geometry (again)
How can one prove a right isosceles triangle? Or a right trapezoid?
asked by Meema 
Science
What is the density of a solid aluminum with a mass of 60g
asked by Amanda 
cda
What would be teaching strategies for self portraits
asked by Anonymous 
History
How did ruby bridges make the USA a safe place to live,work,and raise a family
asked by Lola 
Another Calculus help plz
Show that if y=tanx/2 dy/dx=1/sinx
asked by Collins 
english grammar
Computers shop hours 8:00 a.am  2 a.m.
asked by jessie 
social science
why is the amazon basin ecologically so important
asked by kavish 
Math Complicated
Please I am desperate need of help for this symbol. What does the long square root sign mean? Like in √5 + 8 +24 = √37 The square root sign is supposed to go above 5, 8 and 24. What does that mean? Like find the square root of each number? Or…please
asked by Lucia Vendales 
math
Suzy was putting a stone boarder around her square garden.she las able to complete one side of her garden before she ran out of stones.she usted 9 sones for the first side.How many more stones will she buy to complete her stone boarder?
asked by johny 
math
7 1/4 2 4/5 =
asked by Anonymous 
Trigonomentry help plz thanks
find the number of root the equation given below in interval (pi.pi) (cosx)^7+(sinx)^4=1
asked by Collins 
Math
3(y+2) for y = 3
asked by hannah 
Mathematics
m=3/4 and passing through (40,35) y=_______
asked by Rainie 
math
a boy runs 18.4 miles in 4.5 hours, how many miles can he run in 1 hour?
asked by Robert 
Maths
3x+2/5 2x+3/3 =3 i do not have a clue of how to start
asked by Anita