Questions Asked on
December 14, 2016

math
the sides of a triangle are consecutive integers.If its perimeter is 126cm.find the lengths of the sides.
asked by daniel 
Math
I don't know how to do my homework I'm in 4th grade and in Manchester gate in m's snyders class help me ppplllzzzz Its 2016
asked by Lulu 
OBJECT ORIENTED PROGRAMMING
Let’s consider there will be 5 delicious food available at your new restaurant which will open by the end of 2016. To make the cashier's job easier, build a C++ console application to automate the process of billing on a daily basis
asked by MANOJ 
Probability of having disease when test has false
A certain disease has an incidence rate of 0.5%. If the false negative rate is 7% and the false positive rate is 2%, compute the probability that a person who tests positive actually has the disease.
asked by Anonymous 
SHANNON
Suppose a math class contains 31 students, 14 females (four of whom speak French) and 17 males (two of whom speak French). Compute the probability that a randomly selected student is female, given that the student speaks French.
asked by Anonymous 
Loans
If you take out an auto loan of $4,500 at 5% interest for 24 months (2 years), what will your monthly payment be? Round your answer to the nearest cent.
asked by Anonymous 
Math help please I do not understand it
7 3/5 = ? Yards Please help me a link will be greatly appreciated
asked by Natalicious 
algebra
why is the alphabet shorter at christmas time
asked by Anonymous 
physics
What is mean by 28degree east of north
asked by Anonymous 
Math
It is required to seat 5 men and 4 women in a row so that the women occupy the Even place. How many arrangements are possible?
asked by AnA 
Math
Determine the probability of 3 sixes in 5 tosses on a fair die.
asked by Oo 
physics
a cannon of mass 400kg fires a shell of mass 20kg. if the shell leaves the cannon at 300ms^1, with what velocity does the cannon recoil? an a particle is emitted from a polonium nucleus at a speed of 1.8 x 10^7 ms^1. the relative masses of the a
asked by Josh 
maths
3/4 of a number exceeds it's 1/3 by 15. Find the number
asked by Anonymous 
statistics
construct a probability distribution for18 boys and 24 girls
asked by annonymous 
math, algebra
My Question is that We have to sketch a floor plan of a house and make a rough estimate of the cost of building the house. We are given a 9m by 9m rectangular lot. I would like to build a onestorey house with 49squaremeter floor area so that there is
asked by Dann Wesley 
Calculus
The size of a parcel despatched through the post used to be limited by the fact that the sum of its length and girth (perimeter of the cross section) must not exceed 6 feet. What was the volume of the largest parcel of square cross section which was
asked by Anonymous 
English
1. She didn't need to leave early. 2. She didn't have to leave early. 3. She needed not leave early.  Are they all the same in meaning? What is the difference in meaning if any?
asked by rfvv 
maths
Sule,Tayo and Uche agreed to share the expenses for an evening out in the ratio 2:3:4 respectively.Sule paid #2030 for the taxi,Tayo paid #4900 for the food and Uche paid #3150 for the cinema.How much should Sule and Uche pay Tayo to settle their agreed
asked by Riliwan 
Algebra
Four years ago, twice Athena's age was five less than her cousin's age. At present, the age of Athena's cousin is 18 years less than thrice Athena's age. What are their ages now? If Athena's age 4 years ago is x, then her cousin's age 4 years ago is what?
asked by Rina 
english
You will come to school. OR you will come school.
asked by mehreen 
maths
Sule,Tayo and Uche agreed to share the expenses for an evening out in the ratio 2:3:4 respectively.Sule paid #2030 for the taxi,Tayo paid #4900 for the food and Uche paid #3150 for the cinema.How much should Sule and Uche pay Tayo to settle their agreed
asked by Riliwan 
English
1. I prefer to play soccer with them. 2. I prefer playing soccer with them. (Are both grammatical?) 3. I prefer spring to fall. 4. I prefer palying tennis outdoors to reading books indoors. 5. I prefer to swim rather than read a novel. 6. I prefer to swim
asked by rfvv 
Math
A basket with 30 pears has a weight of 11 kg 200 g. The same basket with 18 pears has a weight of 7kg. if each pear has the same weight: What is the weight of the empty basket? What is the weight of the basket with 7 pears?
asked by Saarthak 
Math
A student has to score minimum of 40% to pass an exam .if student gets 178 marks and fails the exam by 22 marks, what is the total marks?
asked by Athena 
Probability
How many three digit number can be made with three 4's , four 2's and two 3's?
asked by Ann 
Math
What is 3/5 of 25?
asked by Alexandra 
science connexus
1.How is kudzu an environmental issue for Georgia A.kudzu can be easily removed B.kudzu can help other plants grow C.kudzu can be used to make medicine D.kudzu can destroy native forest habitats ***** 2.forest and fisheries are an example of A. abiotic
asked by dude 
math
Write the dimensions of the following kitchen plan and find the area of its floor to be tiled presuming that the plan is drawn on dmsquare grid
asked by Shreyansh 
Chemistry
A plasma reaction converts A (Molecular weight = 200) to B and uses NAD as a cosubstrate and produces NADH as a by product (1 mole of NADH is produced per every 1 mole of A converted to B). The amount of NADH can be determined by monitoring its’
asked by Sophia 
Math
A rectangular strip 25cm*7cm is rotated about the longer side. find the total surface area of the solid thus generated.
asked by Rahul 
Math
If you have 12dozen eggs and 15 broke how much leave?
asked by Leslie 
English help please
I need to write an informative essay with a cultural history aspect..... Can some one give me some ideas? (i do like Chinese culture and other Asian cultures)
asked by Nausicca202 
precalculus
Find the polar equation r=8cos3theta, find the maximum value of lrl and any zeros of r. Verify your answers numerically. cos3θ
asked by Anonymous 
precalculus
sketch the curve represented by the parametric equations. Then eliminate and write the corresponding rectangular equation whose graph represents the curve. x=(√t^2+2) y=t/4
asked by Anonymous 
Business
You purchase a bond for $875. It pays $60 a year (semiannual coupon is 3%), &the bond matures after 10 years. What is the yield to maturity?
asked by Tori 
One step inequalities
Unknown number decreased by 9 is at most 27
asked by Anonymous 
math
The air pressure at sea level is generally about 1013 hPa (hectoPascals). For every kilometer that you go up in elevation, the air pressure decreases by 12%. Write an equation that describes the air pressure when the elevation is x kilmoeters above the sea
asked by Carly 
Physics
What is the net force required to accelarate a 2000kg car to 6m/sec us equation F=ma
asked by Pj 
Business
If a new college graduate wants a car costing $21,000, how much must be saved annually over the next four years if the funds earn 5%?
asked by Tori 
American Government
in the case of schenck vs united states justice oliver wendell holmes jr wrote: "the most stringent protection of free speech would not protect a man in falsely shouting fire in a theatre and causing a panic." this is an example of what kind of rights? a.
asked by . 
Math
Sharon had 3/4 cubic yard of mulch in her garden. How much(how many cubic yards) mulch did she have left?
asked by Toni 
pure math
i) Expand (1(x/2))1/5 ii)State the range of values of x, for which the expansion is valid
asked by Anonymous 
algebra
1 simplify the radical expression. √50 a 5√2 b2√5 c5√10 d5 2 simplify the radical expression √180x^2
asked by kidblacc 
Math
Sharon had 3/4 cubic yard of mulch. She used 2/3 cubic yard of mulch in her garden. How much(how many cubic yards) mulch did she have left?
asked by Toni 
Algebraic equations real life problems
A book cover has the length and width(in inches) shown in the diagram. A) Find the values of a and b B) Find the perimeter of the book cover. Widths are top3b in. bottom(2+a)in. Lengths are left(3ab) in. And right(2+a+2b) in.
asked by Logan 
Social Studies
How did the Americans disagree over the role of federal and state governments before and during the civil war?
asked by Anonymous 
Science
Which of the following could be true of two different species that have a competitive relationship in the same ecosystem? A: one species preys on the other B:they share the same niche C:one species benefits while the other is neither helped or harmed
asked by Evie 
Science
1.which of the following species contains a similar oxidation state as in C of CH2O? CO32 , SO32 CO ,N2O,NO2_
asked by Hari 
precalculus
How do you sketch the curve reprsented by the parametric equations : x=t26 y=1/2t1?
asked by Anonymous 
precalculus
can you check my work? In exercises 1012, sketch the curve represented by the parametric equations. Then eliminate and write the corresponding rectangular equation whose graph represents the curve. 10. x=t26 y=1/2t1 answer: t=2y6= (2y+2)26 =4y2+8y2
asked by Anonymous 
Algebra
Kyle has 13 coins in his pocket that are either quarters or nickels. He has $2.05 in his pocket in coins. Let q represent the number of quarters and n represent the number of nickels. The following system of equations represents this situation: q+n=13
asked by Suzan 
Health
In some cultures, people choose not to eat any type of animal products. How might these people get the protein they need? A)fruits that have a pitmangos, avocados, apricots, and peaches B)lots of green leafy vegetables**** C)nuts, dried beans, dries peas
asked by Anon 
Science 6
In an island ecosystem, Fox and Skunks both hunt mice and toads. Which of the following correctly describes some of these relationships? A:Skunks and mice have a competitive relationship. B:Skunks and toads have a predatorprey relationship. C:Fox and
asked by Evie 
math
David is a car salesman. He earns a salary of $750 a month, plus a commission of $300 per car that he sells. David needs to earn a minimum of $3,500 per month. Write an inequality for the number of sales he needs to make to earn his minimum. Let c
asked by bre 
math
On the blueprints of Adam's office building, the length of his rectangular office space is 5 1/4 inches. If the actual length of Adam's office space is 10 1/2 feet, what is the scale of the blueprint?
asked by lulu 
precalculus
how do you write x=(√t^2+2) in terms of pi?
asked by Anonymous 
precalculus
how do you write x=2+3cosθ y=2sinθ in terms of pi?
asked by Anonymous 
Math
It takes 5 people 3 days to put up a fence? How many days would 3 people take?
asked by Anonymous 
chemistry
what are atoms of nitrAogen with different numbers of neutrons called?
asked by Grande 
Math
5 2/3  5= 2/3. Use a division algorithm to find the quotient. State the final answer as a mixed number. Why is the fractional part of your quotient different from your answer in the original equation 5 2/3  5= 2/3?
asked by Shannon 
Chemistry
what is the acid that is used to make ammonium nitrate???
asked by shannone 
Calc 2
Find the area of the surface generated when y=4x and x=1 is revolved about the yaxis.
asked by Melissa 
SS PLEEESSEE HELLP
Why are banks important to producers? (1 point) Bank loans allow more people to buy products and homes. Savings accounts allow a way to make interest off profits. Checking accounts give a way to take payments from customers. Credit cards give producers
asked by Green Bow7 
math
a beverage bottle can hold 750 milliliters of liquid, and one liter is equal to 1000 milliliters. what percent of a liter can the bottle holds
asked by erica 
OOPS ONE MORE
How do personal savings contribute to the economy? (1 point) They increase the amount of money banks can invest in stocks and bonds. They increase the amount of money banks can loan to individuals and businesses. They allow consumers to invest in different
asked by Green Bow7 
intermediate algebra
at a concession stand, five hot dogs and two hamburgers cost $8.50, two hot dogs and five hamburger cost $10.75. find the cost of one hot dog and the cost of one hamburger. 5x+2y=8.5 2x+5y=10.75
asked by douglas 
social studies
what did jeffersons and hamiltons feud cause
asked by josue 
precalculus
Can you check my work? sketch the curve represented by the parametric equations. Then eliminate and write the corresponding rectangular equation whose graph represents the curve. x=2+3cosθ y=2sinθ answer: cosθ=x/5 sinθ=y/2 cos^2θ + sin^2θ=1
asked by Anonymous 
science
53.94 g of a substance of molecular mass 182 is dissolved in 1000g of water at this temperature.the vapour presser of water is 17.5 mmhg .calculate the vapour presser of this dilute solution
asked by calculate the vapour presser of dilute solution 
precalculus
sketch the curve represented by the parametric equations. Then eliminate and write the corresponding rectangular equation whose graph represents the curve. x=(√t2+2) y=t/4
asked by Anonymous 
Science
Each heating element has a resistance of 5 Ω. The current passing through each element is 0.4. Calculate the total resistance of the six heating elements.
asked by Jen 
socialsss
what did the qin emperor build to make china's defence stronger
asked by Anonymous 
algebra
1/b(2b10)=17 1/b*2b=2 1/b*10=10/b 210/b=17 10/b=15 The answer is 2/3
asked by Sam 
precalculus
how do you sketch the curve represented by x=(√t2+2) y=t/4?
asked by Anonymous 
precalculus
how do you sketch the curve represented by x=2+3cosθ y=2sinθ ?
asked by Anonymous 
Chemistry
what are atoms of nitrogen with different numbers of neutrons called?
asked by plz hlp asap! 
Biology
Refer to the illustration above.wich point on the graph indicates approximate world population in the year 1950
asked by Galilea 
Physics
A soccer player kicks a ball at an angle 45degree with an initial speed of 20m/s,assuming that the ball travels in a vertical plane. Calculate (a) The time at which the ball reaches the highest point. (b) The maximum height reached. (c) The horizontal
asked by Deepankar Roy 
MATH
A certain disease has an incidence rate of 0.5%. If the false negative rate is 7% and the false positive rate is 2%, compute the probability that a person who tests positive actually has the disease.
asked by Anonymous 
Math
The area of one of the bases of a figure is about 21.2cm. The other is 7cm on three side and height of 9cm. What is the surface area
asked by Constance 
science
what is the specific heat of aluminum if temperature of a 28.4g sample of aluminum is increased by 8.1 c° when 207J og heat is added
asked by mohammed 
Language arts
Novel most accurately reflects the political climate of the United States in the early sixties 1 let's see where was that colored s only bathroom downtown 2 right in the spot where the little bird had crashed by had dug a little grave 3 that snake in the
asked by you dont know me 
Math
In 2000, the population at Arlington middle school was approximately 421 students. In 2010, the population was approximately 584 students. Find the percent of change in the population at Arlington middle school from 2000 to 2010 and identify it as an
asked by Reeces 
Chemistry
what happens when magnesium reacts with iodine to make magnesium iodide. Manymanymany thankyou's all round!!!!
asked by moi encore une fois! 
physics
How does a washing machine's 'spin cycle' expel water from clothes?
asked by Ronny 
math
What process would you use to convert a fraction to a lb. Would you take the fraction say 4/8 and make the pound 1/16 then add them together to get the total amount? I desperately need some help here. O_o
asked by unknown 
Science
Carla applied a force of 35 N to a wheelbarrow full of bricks and moved it 2.5 m. Which of the following can be determined from this information? The wheelbarrow supplied 87.5 J of work. The wheelbarrow has a mechanical advantage of 14. The wheelbarrow is
asked by Science question, please don't give direct answer. 
English
I am going to be writing a persuasive essay on the quote, "A closed mind is like a closed book: a block of wood" is true. I am also meant to try to respond to a counter argument that could be made against the quote. But,
asked by ShyanneBoxer 
Calc 2 Urgent Surface Area
Find the area of the surface generated when y=4x and x=1 is revolved about the yaxis. We have to use the surface area formula.
asked by Melissa 
precalculus
Solve the system of equations at the right by the method of substitution. Verify your results by using a graphing utility. x2+y24x+6y5=0, x+y+5=0 answer: x=y5 (y5)2+y24(y5)2+6y5=0 y=√55, y=5√5 x+√55+5=0 x=√5 x5√5+5=0 x=√5
asked by Anonymous 
Geometry
Theorem: A line parallel to one side of a triangle divides the other two proportionately. In the figure below, segment DE is parallel to segment BC and segment EF is parallel to AB: The figure shows triangle ABC with segments DE and DF. Point D is on side
asked by Please help 
precalculus
can you check my work? Solve the system of equations at the right by the method of substitution. Verify your results by using a graphing utility. x^2+y^24x+6y5=0, x+y+5=0 x=y5 (y5)^2+y^24(y5)^2+6y5=0 y=√55, y=5√5 x+√55+5=0 x=√5
asked by Anonymous 
Calc 2 Urgent Surface Area of Revolution Question
Find the area of the surface generated when y=4x and x=1 is revolved about the yaxis. We have to use the surface area formula of revolution. Integral (2pi*f(x)sqrt(1+f'(x)^2))dx
asked by Melissa 
Geometry
Please help 1. If segment LN is congruent to segment NP and ∠1 ≅ ∠2, prove that ∠NLO ≅ ∠NPM: Overlapping triangles LNO and PNM. The triangles intersect at point Q on segment LO of triangle LNO and segment MP of triangle PNM. Hector wrote the
asked by Please help Mathmate 
Biology
what does ribosome mean in simple english?
asked by student 
Social Studies
Why did Alexander the great's empire fall apart after his Death
asked by Economics 
Math
The problem features this image, the URL is below. h t t p :/ / !@#$%^& e t s . o p e n s t u d y . c o m / u p d a t e s / a t t a c h m e n t s / 5 6 4 c 8 1 d b e 4 b 0 d 3 c 6 6 b 1 4 5 0 c f  j e w e l r y 0 2  1 4 4 7 8 5 5 1 0 9 5 6 7  t r i 5 .
asked by Betta Fish 
MATH
Name the quadrilaterals that have four equal angles. A. rhombus, square B. Square, rectangle C. parallelogram, rhombus D. rhombus, trapezoid My answer B
asked by help me please 
physics
Explain why helicopters need 2 rotors to fly in a straight line.
asked by Stuart 
math
The height above ground of a snowball thrown from a cliff is modeled by the function h(t) = 16t2 + 64t + 192, where h is height in feet and t is time in seconds. I d3on't know what to do with this i use to do this but know i forgot Guide me through this
asked by edgard 
Deposit
You deposit $3000 each year into an account earning 2% interest compounded annually. How much will you have in the account in 35 years?
asked by Isha 
Social Studies
In the text, you read this about states' rights in the Confederacy: The South also had political problems. The Confederate constitution favored states' rights and limited the authority of the central government. As a result, the Confederate government
asked by Betta Fish 
Math
1. A cone has a radius of 40 cm and a volume of 1875 cm^3. what is the volume of a similar cone with a radius of 16 cm. A: 120 cm^3 B: 300 cm^3 C: 75 cm^3 D: 750^3 I know the answer is A but could someone explain how to do the problem.
asked by Embershy 
precalculus
Find Pk + 1 for the given Pk. Pk = 1 + 6 + 11 + … + [5(k  1)  4] + (5k  4)
asked by sally 
English
Thank you for your help. One more time, I'd like to post the structure 'prefer to' 1. I prefer him to her. 2. I prefer Ted to Jacob. 3. I prefer table tennis to soccer. 4. I prefer reading books to playing soccer. 5. I prefer to read books rather than (to)
asked by rfvv 
Maths
A median of a number is 5. A mean is 5. They're five different numbers. They're not integers. Workout the numbers. Please help me I got a test tomorrow please!:)
asked by Amanda 
Geography
Which of the following are true of Barcelona? (more than one answer) Catalán is spoken there.*** It is one of the major ports of Europe.*** It is noted for its famous artists.*** It has the best Renfe station in Spain. Am I right? Thanks!
asked by Please help 
maths
At the party,half the guests had left by 10pm. half the remaining guests left about 11pm.the last 6 stayed until midnight how many guests were at the party
asked by Stacey 
math
Jon adds the expressions 5p + 2 and 2p + 1. Carlos adds the expressions 4p + 3 and 7p + 2.
asked by Anonymous 
physics
Explain why helicopters need 2 rotors to fly in a straight line. Talking about centripetal force.
asked by Stuart 
precalculus
Prove the inequality for the indicated integer values of n. n! > 2n, n ≥ 4
asked by sally 
precalculus
Find a quadratic model for the sequence with the indicated terms. 3, 3, 5, 9, 15, 23, ...
asked by sally 
chemistry
density of sand =3.00g/cm3?
asked by Anonymous 
Social Studies
After the Dred Scott decision, Frederick Douglass said he sought to have Americans live up to the principles of the Constitution. What did he believe prevented Americans from living up to the Constitution? manifest destiny abolition (my answer) popular
asked by Betta Fish 
English
1. I said to her, "Are you fond of swimming?" 2. He asked her if she was fond of swimming. 3. He asked her if she 'is' fond of swimming.  #1 can be changed into #2. What about #3? If we use 'is,' is it incorrect?
asked by rfvv 
precalculus
find Pk + 1 if Pk=2K1/k!
asked by sally 
Social Studies
How do you think plantation owners justified their use of enslaved Africans? Provide two reasons for settling Georgia. Name the group who settled this region. Why did this group want settlers in this area? Please help, I can't find the answers in my book!
asked by ~SPNFamilyValues~ 
Language Arts
In "Life Without Gravity," the author provides many ideas and details about living in microgravity. What do you consider the most important idea in "Life Without Gravity"? In an essay, describe the idea you think is most important and explain its
asked by Aylia 
Finite Math
You deposit $300 each month into an account earning 8% interest compounded monthly. a) How much will you have in the account in 35 years? b) How much total money will you put into the account? c) How much total interest will you earn?
asked by Anonymous 
Math
Grandmother of the kitchen is 28 inches is the width of the kitchen is 120 what is the link of the kitchen
asked by FAITHE 
Math Help
You deposit $300 each month into an account earning 8% interest compounded monthly. a) How much will you have in the account in 35 years? b) How much total money will you put into the account? c) How much total interest will you earn?
asked by jimi 
Maths algebra
I wrote 47.235 as my answer then it asked me to use the calculator to find a complete answer.How I'm I suppose to do this. please I need help I got a test tomorrow. Thankyou.
asked by Amanda 
English
Who is miss Lucas and Mrs Hurst in pride and prejudice?
asked by Amanda 
Math
How much would you need to deposit in an account each month in order to have $20,000 in the account in 7 years? Assume the account earns 2% interest.
asked by Anonymous 
CAN A TUTOR HELP ME WITH THIS PROBLEM PLEASE!
A certain virus infects one in every 600 people. A test used to detect the virus in a person is positive 90% of the time if the person has the virus and 10% of the time if the person does not have the virus. Let A be the event "the person is infected" and
asked by Conditional 
Algebra
if 15's student said in a survey that pizza was their favorite food how many students are in the entire class if it was 3/5 of the class?
asked by Stacy 
MATH FOR LIBERAL ARTS
Estelle is 5.9 feet tall. Find her height in centimeters to the nearest tenth.
asked by Eduardo 
MATH FOR LIBERAL ARTS
Estelle is 5.9 feet tall. Find her height in centimeters to the nearest to the nearest tenth.
asked by Eduardo 
algebra
The sum of the two numbers is 71. One of the numbers is 24 less than four times the other number. What are the two numbers I am thinking of?
asked by javelle 
Algebra
How is using a conversion factor different from using proportions to convert measurement units? Explain which is easier and why.
asked by Math guy 
Math  Algebra (Percents and Ratios)
At a little league game, three fourths of the people in the stands were kids amd the rest were parents. If the ratio of dad to moms is 3:4, what percent of the people attending the game were moms? (Give answer to the nearest percent.)
asked by Christine 
Social Studies
1.Diversity most closely means (1 point) A. Sharing cultural traits and practices with others. B. Making up a whole of many different parts. ** C. being a member of a small ethnic group. D. Having many similar regions next to one other. 2. How does life in
asked by Check Please 
Algebra
Ms.Sue could you give me an example of a conversion factor and an example of using proportions to convert measurement units
asked by Math guy 
science
How do scientists explain the fact that some landforms that are far apart and separated by oceans appear to be related?
asked by bill 
Geometry
Look at the planes ABCD and EFGH shown below: Two planes ABCD and EFGH are shown. They intersect in the middle. X is the midpoint of side EF and Y is the midpoint of side DC. The two planes intersect along which of the following lines? XY** DY AX AD
asked by Kylie ; help please 
algebra
Elimination method or substitution method. 1. 3/5x = 1/2y + 11 2. 3x + 8y + 13
asked by jen 
precalculus
Find a quadratic model for the sequence. 4, 4, 3, 1, 2
asked by sally 
Math
Purchased 297 square feet of carpet at $18.50 a square yard, what is the cost? 297 / 9 = 33 yards X $18.50 =$610.50 Do I divide by 3 again to get $203.50?
asked by Josie 
Maths
A piece of land has the shape of a regular pentagon. The perimeter of the land is 2510m. Calculate the length of one side of the Land.
asked by Indira 
Math
Find the lower, upper and interquartile range 20,22,25,28,29,30,32,33,34 Math is not my best subject.
asked by Anon 
precalculus
Can you please check my answers? 1.Find Pk + 1 if Pk=2^K1/k! answer: 2^k+1/(k+1)! 2.Find Pk + 1 if Pk = 7 + 13 + 19 + ...+[6(k  1)+1] + (6k + 1) answer: 7+13+9...(6k1+1)+6k+1 +(6k+2) 3.What is the first step when writing a proof using mathematical
asked by Anonymous 
maths
a piece of land has a perimeter of a regular pentagon. The perimeter of the land is 2510m. calculate the length of one side of the land
asked by indira 
precalculus
can you check my answers? Find the second difference for the sequence. 7, 6, 7, 10, 15, 22, …. answer: 1 Find first differences for the sequence in order from a1 to a5. Determine whether or not the series is quadratic or not. 1, 3, 1, 5, 15 answer:
asked by Anonymous 
Math
2/9x3
asked by Emily 
language arts
this question is from "The Watsons go to Birmingham 1963" Read the following quote from Byron to Kenny from Chapter 15. “Today is the day you check out of the WorldFamous Watson Pet Hospital. Don’t let me catch you back there no more. You ain’t got
asked by me 
Math
Shade the rectangle in this shape that is 5inches long and 2 inches wide. What is the area of this rectangle
asked by Serenity 
Business Math
2.) Maximizing revenue: The quantity demanded each month of the Sicard wristwatch is related to the unit price by the equation p=50/0.01x^2 + 1 (0 < or = x < or = 20) where p is measured in dollars and x is measured in units of a thousand. To yield a
asked by pypski 
History
The Federalists and the DemocraticRepublicans emerged as separate political parties partly as a result of disagreement over
asked by A 
math
Jenn practiced basketball for 45% of the time Kaylee practiced. Jenn practiced for 36 minutes. How long did Kaylee practice?
asked by Anonymous 
math
If I have a 76% average, how many A's do I need to get to have at least a 81% average?
asked by Ashanti 
Math for Claire
My granddaughter's homework asks to: Subtract. Show new groups. 1. 31461960 What does that mean...new groups?
asked by Ms. H 
Math
1.) Air pollution: According to the South Coast Air Quality Management District, the level of Nitrogen dioxide, a brown gas that impairs breathing, present in the atmosphere on a certain May day in down town Los Angeles is approximated by A(t) =
asked by pypski 
Science
Every year Eli and his family visit Great sand dunes desert in Colorado. Elliott notices that more dunes with varied shapes and sizes appear each year. Explain what causes this phenomenon. Help! I know that the wind is always different and that causes
asked by NOYB 
algebra
Will you show me how to put this number in scientific notation. 5,100,000 Thank you.
asked by Jack 
Biology
1. True or false: even when your research does not support your hypothesis, the hypothesis has value. True False 2. Which one of these could define a "hypothesis?" educated guess conclusion scientific prediction 3. Once you have formulated your hypothesis,
asked by Leslie 
math
The height above ground of a snowball thrown from a cliff is modeled by the function h(t) = 16t2 + 64t + 192, where h is height in feet and t is time in seconds. I d3on't know what to do with this i use to do this but know i forgot Guide me through this
asked by edgard 
pre calc
1less or equal to x less then 4, state raltion represented by y=[2x]+1 by listing ordered pairs
asked by nick 
maths
20% of the sandwiches in a restaurant had fish. 1/4 had cheese and the remaining 77 had vegetables. a) what decimal fraction of the sandwiches had vegetables? b) How many sandwiches were in the restaurant? c) How many more cheese sandwiches than fish
asked by indira 
Math
A population grows exponentially at a rate of 2.6% per year. How long will it take for the population to triple?
asked by Nancy 
Math
What power output will be provided for an amplifier having a gain of 12dB if the power input is 75W?
asked by Jake 
Math
Solve for x: e^4x3 = 2e^2x1 ln2x+6)  ln(3x1) = ln(2) Then, simply the radicals
asked by Jake 
Math
If an investment grows 75% in 4 years, what annual compound interest rate, compounded annually, is being earned?
asked by sakshi 
maths
A restaurant has tables that can seat either 4 or 7 persons. there are 12 four seaters and 8 seven seater tables. a) what is the largest number of persons that can be seated if all the four seater tables only are occupied? b) 83 persons are to be seated
asked by indira 
algebra
Please show this number in scientific notation. .00000698 Thank you.
asked by Jack 
Math
Brian was training to run a marathon. During the three day period before the race he decided he would train for 11 hours. If he trained for 2 3/5 hours first day and 2 9/10 second day, how many hours would he need to train third day. This is the question I
asked by Feather 
algebra
Please show me how to put this number in scientific notation. 3.000052 Thank you.I appreciate your help.
asked by Jack 
Science
How much you would weigh on the moon if you are 72 pounds on Earth
asked by Anonymous 
Math
Is it reasonable or not give me an anwser
asked by Jack 
Math
Solve the quadratic (2x+6)(3x1)=2
asked by sakshi 
math
The number of blocks has 9 in the ones place the number in the hundred place is one more than the number in the tens place those two numbers equal 11 how many blocks are there?
asked by Anonymous 
Business Math
3.) The demand equation for a certain product is q=50040p+p^2 where p is the price per unit (in dollars) and q is the quantity of units demanded (in thousands). Find the point elasticity of demand when p = 15. If this price of 15 is increased by Â½%,
asked by pypski 
English
1. Jake said, "I didn't like baseball when I was young."  dirct narration  2. Jake said that he hadn't liked baseball when he had been young."  indirect narration   Is the indirect narration correct?
asked by rfvv 
English
1. She said to me that she was waiting for Tom. 2. She told me that she was waiting for Tom.  Is #1 incorrect?
asked by rfvv 
Math
Here is the question:Consider a data set of 15 distinct measurements with mean A and median B. (a) If the highest number were increased, what would be the effect on the median and mean? Explain. The mean would remain the same while the median would
asked by Riana 
Math  Algebra
Brand A granola is 25% nuts and dried fruit and brand B granola is 20% nuts and dried fruit. How much of sweet item A and sweet item B should be mixed to form a 20lb batch of sweets that is 23% nuts and dried fruit?
asked by Ethan 
precalculus
can you check my answers? Find Pk + 1 if Pk = 7 + 13 + 19 + ...+[6(k  1)+1] + (6k + 1) 7 + 13 + 19 + …+[6(k  1) + 1] + (6k + 1) + [6(k + 1) + 1] 8 + 14 + 20 + …+[7(k  1) + 1] + (7k + 1) 7 + 13 + 19 + …+(6k + 1) 7 + 13 + 19 + ...+[6(k  1) + 1] +
asked by Anonymous 
Math
The eleventh term of an A.P.with positive terms is four times its third term and the product of thord te and eleventh term is 256.Find the A.P.
asked by Lakshya Tomar 
HELP!
Earth's inner core exists at temperatures as high as 7000oC. It exists as a _______ due to the _________. A) solid; high pressure B) liquid; high pressure C) solid; high temperature D) liquid; high temperature
asked by Lucy 
Algebra
The solutions to the equation f(x)=g(x) are 2 and 1.If f(x) and g(x)graphed on the same coordinate plane, where do they intersect
asked by Kam 
can you check my answers precalculus
can you check my answers? Find Pk + 1 if Pk = 7 + 13 + 19 + ...+[6(k  1)+1] + (6k + 1) 7 + 13 + 19 + …+[6(k  1) + 1] + (6k + 1) + [6(k + 1) + 1] 8 + 14 + 20 + …+[7(k  1) + 1] + (7k + 1) 7 + 13 + 19 + …+(6k + 1) 7 + 13 + 19 + ...+[6(k  1) + 1] +
asked by Anonymous 
American Government
in the case of schenck vs united states justice oliver wendell holmes jr wrote: "the most stringent protection of free speech would not protect a man in falsely shouting fire in a theatre and causing a panic." this is an example of what kind of rights? a.
asked by Alice Keign 
Algebra
Identify the type of conic section that has the equation 9x^2+ 25y^2 =225 and identify its domain and range.
asked by Aaron 
math
How would you justify the steepness of a slope?
asked by Anonymous 
precalculus
Find Pk + 1 if Pk = 7 + 13 + 19 + ...+[6(k  1)+1] + (6k + 1) 7 + 13 + 19 + …+[6(k  1) + 1] + (6k + 1) + [6(k + 1) + 1] 8 + 14 + 20 + …+[7(k  1) + 1] + (7k + 1) 7 + 13 + 19 + …+(6k + 1) 7 + 13 + 19 + ...+[6(k  1) + 1] + (6k7 +1) + (6k + 2)
asked by sally 
precalculus
Are my answers correct if not which are right? Find the second difference for the sequence. 7, 6, 7, 10, 15, 22, …. 1 2 3 5 answer:a Find first differences for the sequence in order from a1 to a5. Determine whether or not the series is quadratic or not.
asked by sally 
Science
What net force is required to accelerate a roller coaster car that has a mass of 300 kg at Disney world at a rate of 8 m/s2 ?
asked by Stephanie 
Find the probability that a person has the virus
A poll was taken of 10,439 working adults aged 4070 to determine their level of education. The participants were classified by sex and by level of education. The results are shown below. Education Level Male Female Total High School or Less 2023 3264 5287
asked by Jammy 
Math
Hi can someone please help me? A recent study gave the information shown in the table about ages of children receiving toys. The percentages represent all toys sold. Age (years) Percentage of Toys 2 and under 35 69 1012 13 and over 17% 19% 24% 13% 27%
asked by Kelly 
Math
The question:Consider a data set of 15 distinct measurements with mean A and median B. (a) If the highest number were increased, what would be the effect on the median and mean? Explain. The mean would remain the same while the median would increase. Both
asked by Adriana 
math
The length of a rectangle is 6x feet and its width is 3x feet. The area of the rectangle is 420  6x square feet. What is the perimeter of the rectangle, in feet? Hint: Create a true equation using the fact that LW = Area. Solve the equation for x by
asked by Johmes 
math
a large pie was cut into 12 pieces 2/6 of The Pie was eaten how much is left over?
asked by Lanie 
Algebra
When a person is swinging the amplitude (the swings"s distance above it's rest position) increases with each pump. According to Scientific magazine the amplitude increases by adding a constant when the person pumps sitting down, and by multiplying by a
asked by Prathana 
Science
How much energy is needed to convert 10kg of ice at 15 degrees centigrade to 125 degrees centigrade of steam? Express your answer in joules.
asked by Paeng 
Math
A rectangles length and width are in a ratio of 17:2. The area is 136 square yards. What are the length and width. Have no idea how to even start to work this problem other than 17L X 2w= 136
asked by Mak 
The Value of an Annuity
you would like to have $800,000 when you retire in 35 years. How much should you invest each quarter if you can earn a rate of 6.7% compounded quarterly? a) How much should you deposit each quarter? b) How much total money will you put into the account? c)
asked by Anonymous 
Math Algebra Help
Tom had a board that was 4 ft. 5 in. long. He cut off a piece that was 1 ft. 9 in. long. How much board does he have left?
asked by Economics 
Math Antics
A certain disease has an incidence rate of 0.5%. If the false negative rate is 7% and the false positive rate is 2%, compute the probability that a person who tests positive actually has the disease.
asked by Devin 
Math
If 272° c is changing at a steady rate for 25 minutes how much would the temperature change each minute
asked by Need some help 
marshall
a will states that john is to get 3 times as much money as mary.the total amount they will receive is 12.00 how much will john and mary receive
asked by candey 
Physics
A 0.50kg mass is placed on the end of a vertical spring that has a spring constant of 75 N/m and eased down into its equilibrium position. (a) Determine the change in spring (elastic) potential energy of the system. PEs=1/2kx^2=1/2(75)(0.5)^2=9.375 (b)
asked by Court 
Math
How many critical values does the function f(x) = 3x^4 + 4x^3 have?
asked by pypski 
Precalculus
The graph of [r = 5/(2 cos \theta + sin \theta)] is a line. Find the yintercept of this line.
asked by Pallav 
Precalculus
The graph of [r = 5/(2 cos \theta + sin \theta)] is a line. Find the yintercept of this line.
asked by Pallav 
Math
A rectangle's length and width is a ratio of 17:2. The area is 136 square yards. What is the length and width. I have no idea on how to even attempt to work this problem. Please help!
asked by Mak 
science
what fabric is a good heat conductor? or what material other than metals are good heat conductors?
asked by boo 
math
determine the equation of the graph in the form y=acos(bx)
asked by Anonymous 
Math
The length of a picture frame is (8u  12) inches. Its width is 3/4 of its length. Express the width of the picture frame in terms of u.
asked by Anonymous 
math
11 notebooks were added to w notebooks. 7 friends then shared the notebooks equally. Express the number of notebooks each person received in terms of w.
asked by Anonymous