Sunday
January 22, 2017

Homework Help: Math

Branches of Math

Recent Math Questions

Math
1. Which of the following established a limited self-government to the Puerto Ricans by the United Sates? Platt Amendment*** Foraker Act Sherman Act Roosevelt Corollary
Tuesday, January 10, 2017 by EmberShy

Math
Sandy's Ice Cream Corner uses 9/10 of a bag of cups every day. How many days would 10 bags of cups last?
Tuesday, January 10, 2017 by Hunter

Math
Jordan's football team gained 12 yards on their first play. On the second play, the team lost 8 yards. Which expression could be used to describe the total yards gained by Jordan's team?
Tuesday, January 10, 2017 by Jay

math
A person is standing 90 feet away from the Space Needle. The person looks up at the Space Needle at an angle of elevation of 81 degrees. The distance from the floor to the person's eye level is 5 feet. What must be the height of the Space Needle?
Tuesday, January 10, 2017 by Vanni

Math
1. 16y + 0 = 16y Associate Property of Addition Zero Property of Multiplication Commutative Property of Addition Identity Property of Addition 2. d • r = r • d Commutative Property of Multiplication Identity Property of Multiplication Zero ...
Tuesday, January 10, 2017 by EmberShy

math
If Jun has 12 t-shirts,6 pairs of pants,and 3 pairs of shoes, how many possible ways can he dress himself up for the day?
Tuesday, January 10, 2017 by jhery

math
Cn you explain the process of division of fractions/ reciprocals to me?
Tuesday, January 10, 2017 by Jaden

Math 12
A car is purchased for $30,000. It depreciates at a rate of 18% per year. What equation would represent the value, y, of the car after x number of years? Use this equation to find the value of the car after five years.
Tuesday, January 10, 2017 by Olivia

Math grade 6, quadrilateral logic
All trapezoids are parallelograms. True or false?
Tuesday, January 10, 2017 by Peachie

math
if opposite angles of cyclic quadrilateral are in the ratio 2:3 then find the measure of all angles
Tuesday, January 10, 2017 by vishakha

Math
Abcd is a rhombus with angle bad= 50 deg. Find x and y
Tuesday, January 10, 2017 by I!@#$%^&a

math
Christin's age is equal to three times her age in 3 years' time minus three times her age 3 years ago. What is her age now? Please explain how you got the answer as well, thanks.
Tuesday, January 10, 2017 by anonymous

Math
For xyz manufacturing the fixed costs are $1200, material and labor costs combined are $2 per unit, and the demand equation is: p=100/√q What level of output will maximize profit? Show this occurs when marginal revenue equals marginal cost. What is the price ...
Tuesday, January 10, 2017 by Sophie

math
Patel, Quoc and Ron live near each other along the same straight road. Patel lives 0.6km from Quoc. Ron lives 0.4km from Patel. How far apart do Quoc and Ron live? A) They must live 0.2km apart. B) They must live 1.0km apart. C) They could live 0.2km or 1.0km apart. D) They ...
Tuesday, January 10, 2017 by anonymous

Math
The area of cross section of a pipe is 5.4 centimetres square and the water pump out of it at the rate of 27 kilometre per hour find the volume of water which flows out of the pipe in 1 minute
Tuesday, January 10, 2017 by Rayan patel

Math
Shanti bought lemons at 7 foe Rs.6 and sold them at 6 for Rs.7. (1).find her profit percentage (2).how many lemons would she have to sell to earn a profit of Rs.65?
Tuesday, January 10, 2017 by Vishnu

Math; science ;English; hindi; S.S
Construct a triangle in which BC=5.2 AB-AC=1.2cm and B=60° Also write the construction
Tuesday, January 10, 2017 by Kartik

Math science etc
Construct a triangle in which BC=5.2 AB-AC=1.2cm and B=60° Also write the construction
Tuesday, January 10, 2017 by Anonymous

Math
If I drive a rental car .45miles at 25.00 dollars per day and my other rental car .25miles at 40.00 per day how many miles must i drive for them to cost the same
Monday, January 9, 2017 by Ami

Grade 8 math
the hypotenuse of a right triangle is d. Find the sums of squares of the distances from the point of intersections of medians to the three vertices of the triangle. What? What does even mean? Why are they talking abou finding sums of squares if it's a triangle? I don't...
Monday, January 9, 2017 by Anna

math
A farmer collected some eggs from his farm and found b eggs broken. He packed the remaining eggs in c egg cartons. Each egg carton can hold a dozen eggs and no eggs were leftover. Write an algebraic expression for the number of eggs he collected initially in terms of b and c.
Monday, January 9, 2017 by Anonymous

Math
Mr Simmons bought 10 pizzas for the class during the field trip the class ate 8 3/8 pizzas Mr Simmons ate 5/8 of a pizza how much of pizzas are left
Monday, January 9, 2017 by Unknown

Math grade 8
prove that x^6-x^5-x^4-x^3-x^2-x+1>0 is true for any number Please someone explain to me this, I couldn't understand the teacher when they talked about something similar to this and I didn't get it...
Monday, January 9, 2017 by I need help please

Math
Using a for airtime and w for water time ,which system of linear equations would you use to solve this problem? A stone falls from the top of a cliff into the ocean . In the air , it had an average speed of 16m/s .In the water ,it had an average speed of 3m/s before hitting ...
Monday, January 9, 2017 by Ariasas

math
a shirt is on sale for d dollars the regular price is 4 times as much . Todd has enough money to buy 2 shirts at the regular price. How many shirts can todd buy at the sale price?
Monday, January 9, 2017 by melissa

Math
Find the units digit of 93 to the power of 19. I don't know what to do.
Monday, January 9, 2017 by Sai

math
The weight of 2 science fiction books and 1 autobiography is 5/6w pounds. What is the total weight of 4 of these science fiction books and 2 of these autobiographies?
Monday, January 9, 2017 by Anonymous

Math
How many multiples of 7 are there between 100 and 200? I got 14.
Monday, January 9, 2017 by Sai

math
Find the cost of 2 1/2 dozen eggs at $15 each
Monday, January 9, 2017 by Sandreena

5th grade math
Darren finished 5/6 of his homework. Olivia finished 1/6 less than Darren. How much of Olivia's homework did she finish? Make sure to simplify your answer.
Monday, January 9, 2017 by Caroline

Math
For xyz manufacturing the fixed costs are $1200, material and labor costs combined are $2 per unit, and the demand equation is: p=100/√q What level of output will maximize profit? Show this occurs when marginal revenue equals marginal cost. What is the price ...
Monday, January 9, 2017 by Sophie

math
if the average daily sales amount for the past 5 days was (2.3q + 1.4) dollars, write an algebraic expression for the total sales amount for the past 5 days.
Monday, January 9, 2017 by Anonymous

math
40% of k liters of acid are added to 60% of w liters of water. Write an algebraic expression for the total volume of the solution.
Monday, January 9, 2017 by Anonymous

Math
draw a figure with the given perimeter on the grid paper 10 units 3rd grade
Monday, January 9, 2017 by Kyla

Math
When 1 million times 2 million divides 8 millio when 1,000,000×2,000,000 divided 8 million=???
Monday, January 9, 2017 by Gianna

Math
The demand equation for a product is: q=60/p + ln(65-p^3) A) Determine the point of elasticity of demand when p=4, and classify the demand as elastic, inelastic, or of unit elasticity at this price level. B) If the price is lowered by 2% (from $4.00 to $3.92), use the answer ...
Monday, January 9, 2017 by pebbles

MATH
On a test, Hailey answered 12 out of the first 15 problems correctly.If this rate continues, how many of the next 25 problems will she answer correctly?
Monday, January 9, 2017 by Thomas S

math
Arrange the digits 5,6,7,8 and 9 in the boxes to make the greatest product
Monday, January 9, 2017 by sheila

Math
The revenue obtained from the sale of q units of a product is given by : R= 30q-(0.3q^2) A) How fast does R change with respect to q when: q=10 B) Find the relative rate of change of R, and to the nearest percent, find the percentage rate of change of R.
Monday, January 9, 2017 by Josie

Math
Find the limit f(x) = -(x^2)/(x+3) a) lim f(x) x-3^- b) lim f(x) x-3^+ c) lim f(x) x-3 I know that a is dne because of the graph and that b is -infinity. And that c is dne because they are not the same. But I do not know how to do this algebraically. Thank you
Monday, January 9, 2017 by John

Math
What is a quadrilateral that has a 90* angle another 90* angle, a 125*angle, and a 55*angle
Monday, January 9, 2017 by Lily

Math
Paul is standing at the bottom of a hill that is 150 meters high. He measures the angle of the elevation of the top of the hill to be 32 degrees. If the slope of the hill is constant, how far will his walk to the top of the hill be
Monday, January 9, 2017 by Fred

Math
An equilatetal triangle with the lengths of its sides given in term of a and b. If the lengths are 4acm,3bcm and (a+b+c)cm. Find a and b and hence find the length of sides of the triangle.
Monday, January 9, 2017 by Busola

math
if the terminal side of an angle , theta, passes through the point (3,-5). find sin(theta)
Monday, January 9, 2017 by jo

Math
A piece of plywood 24 inche is cut into strips 2 1/2 inches wide. How many strips can be cut
Monday, January 9, 2017 by Anya McCane

Math Anyone can help:)
Charlie had a board that was in the shape of a rectangle. The length was 2x-5 and the width was x-2. What is the perimeter of the rectangle?
Monday, January 9, 2017 by Stepfanie

Math
A recepie for pancakes call for 1.25 cups of milk. camper need 4 times recipe. How many quarts of milk will he need if 4 cups equal 1quart
Monday, January 9, 2017 by Nik

Math
The supply function for a product is 2p-q-10=0, while the the demand function for the same product is (p+10)(q+30) = 7200. Find the market equilibrium point. .. I think q=656.6667 and p= 333.33335 I think D must = S... but I don't know how do do that. Help?
Monday, January 9, 2017 by Sophie

Math
Triangle LMG has side lengths of 7cm, 24 cm, and 25 cm. Which type of triangle is LMG? a.right <--- or b? b.obtuse c.acute d.equilateral Bethel Park is 28 miles directly west of Jeanette and 10.3 miles directly south of Pittsburgh. Which is the length of the road that runs ...
Monday, January 9, 2017 by Kate

MATH
X^4 Y^.5 Z SQAURE ROOT 3 ________________________ Y^-7 Z^0 X^5 CAN SOMEONE HELP BREAK DOWN THIS PROBLEM SO I CAN LEARN TO DO IT STEP BY STEP??
Monday, January 9, 2017 by Josue

math
Please help with this test, I was out of school for awhile due to my dad passing away from heart and kidney failure. I'm trying to catch up on missing work and get good grades to make my mom happy and every time I ask my teachers for help with this test they really don'...
Monday, January 9, 2017 by Anonymous

Business Math
A $20,000 loan is amortized by equal semiannual payments over 10 years. If the interest rate is 8% compounded semi annually find the size of the payments. What is the unpaid balance after 6 years? Prepare the amortization schedule for the 1st 3 periods and find the principle ...
Monday, January 9, 2017 by Thank you

Math
Which equation shows the correct use of the Power of Products Property? A. (2x^5y^2)^3=6x^5y^2 B. (2x^5y^2)^3=6x^15y^6 C. (2x^5y^2)^3=8x^8y^5 D. (2x^5y^2)^3=8x^15y^6 Is it A?
Monday, January 9, 2017 by Reeces

math
Which ordered pair is a solution to the system of equations? {4x+y=2 −2x+y=5 A. (1, -2) B. (- 1/2, 4) C. (2, -6) D. (7/2, -12)
Monday, January 9, 2017 by Jay

Math, Physics
Calculate Earth's gravitational force on the ISS astronauts while orbiting at an altitude of 401.5 km above Earth’s surface.
Monday, January 9, 2017 by Hooman

Math
Suppose that 32 feet of fencing is available to enclose a rectangular garden., one side of which will be against the side of a house. What dimensions of the garden will guarantee a maximum area?
Monday, January 9, 2017 by Sam

math
joe runs 3.5 miles in 22.25 minutes how many miles in a minute?
Monday, January 9, 2017 by colby

Math
84m 6cm
Monday, January 9, 2017 by Naina

math
A concert arena has 48 rows, each with 8 seats and another 54 rows, each with 9 seats. How many seats does the concert arena have?
Monday, January 9, 2017 by luke

Math
The cost of painting a square wall at rs 5per square meter is 320.find the area of wall
Monday, January 9, 2017 by ShaliniThakur

math
Uncle Bill is 6 times as old as John and he will be 4 times as old as John in 4 years' time. If Uncle Bill is less than 60 years of age, how old will he be in 6 years' time? Please show working out as well, thanks.
Monday, January 9, 2017 by anonymous

math
A 2m wide path is built around a 20m square swimming pool. The distance around the outside of the path will be: A) 96m B) 48m C) 92m D) 56m Also, please explain how you got the answer, thanks.
Monday, January 9, 2017 by Anonymous

math
Lee bought 8 T-shirts for $2.32 each and sold them for $5.18 each. How much money did she make?
Monday, January 9, 2017 by Anonymous

Math
The cost of fencing a square field at Rs16 per m is Rs32000. Find the cost of ploughing the field at Rs25 per m square.
Monday, January 9, 2017 by Priyanshi

Math
The Walters' backyard pool is rectangular in shape and is similar to the rectangle formed by their fenced backyard. The pool measures 10 ft long and 8 ft wide. If the length of the backyard is 35 ft long, what is the width of the backyard? Math - Henry, Monday, December 5...
Monday, January 9, 2017 by Alyssa

Math
Abcd is a parallelogram in which angleADC=75degree and side AB produced to E.Find (x+y).
Monday, January 9, 2017 by Ajay

math
In a recent, a single person could expect to pay $3400 in income taxes on an adjusted gross income of $34000. How much more tax should the person expect to pay if her adjusted gross income increased by $4000, knowing that this would not move her into the higher tax bracket
Monday, January 9, 2017 by mike

Math
the number of library books in a school increased by 20% after it bought new books in May , the number increased by another 20% after a bookstore donated 300 books in June - Find the number of books in the library before it bought new books in May
Sunday, January 8, 2017 by Muhammad Saleem

Math- Sequences and Series
Sn= N^2-4n, using this formula find the first 4 terms
Sunday, January 8, 2017 by Isaac

Math
The sum of the first 10 terms of a geometric series is 699 050. The common ratio is 4. Determine the first term.
Sunday, January 8, 2017 by Bry

math
Aubrey is painting a mural of an ocean scene. The triangular sail on a sailboat has a base of 4 feet and a height of 6 feet. Aubrey will paint the sail using a special white paint. A can of this paint covers 10 square feet. How many cans of white paint will Aubrey need
Sunday, January 8, 2017 by Nyan

Math
Which pair of ratios does not form a true proportion? A 8:14â€&aci​rc;€œ20:35 B 6 to 10 and 15 to 25 C 9/5 equals 27/15 D 12:15 and 30:50
Sunday, January 8, 2017 by Anonymous

math
Area of Parallelograms:Find the height of a parallelogram with base 9.44 meters and area 70.8 square meters.
Sunday, January 8, 2017 by Nyan

math
help, what did Dr.Drone say to the guy who thought he was a $100 bill
Sunday, January 8, 2017 by messiah

Math
The volume of an aquarium for one fish is 384 cubic inches. The height of the aquarium is 6 inches. The base is a square. What are the dimensions of the base?
Sunday, January 8, 2017 by Vix

Math
Find the vertex H(x)= -3x^2+24x-46
Sunday, January 8, 2017 by Aria

Math
Two jugs are filled with water. If you remove 1 liter of water from the first jug, then the two jugs contain the same amount of water. If you remove 2 liters from the second, then the second jug would contain half as much as the first. How many liters of water are in the ...
Sunday, January 8, 2017 by Isabelle

Math
Let the function a@b be defined as 3a + 2b for all real numbers a and b. If u and v are real numbers for which u@v =v@u = 20, what is the value of 2u@3v?
Sunday, January 8, 2017 by Isabelle

Math
Find the vertex f(x)= x^2+6x+5
Sunday, January 8, 2017 by April

Math
Ms. Jones is baking a cake for her students. She needs 2/3 cup of brown sugar to make the cake. Right now, she has 3/4 cup of brown sugar. Does she have enough to make the cake?
Sunday, January 8, 2017 by Rick

math
Pretend that you are now a senior in high school. You have been planning a vacation for mid-winter recess with your friends. Ten years ago, your parents put $200 in a savings account for you. It offered 6% simple interest rate to spend on food and souvenirs. Your mom offered ...
Sunday, January 8, 2017 by name

MATH
During halftime of a football​game, a sling shot launches​ T-shirts at the crowd. A​ T-shirt is launched from a height of 33 feet with an initial upward velocity of 64 feet per second. The​ T-shirt is ...
Sunday, January 8, 2017 by S

Math
Ivan has a 5-cent stamp, a 10-cent stamp, and a 20-cent stamp.How many different combinations of postage can he form with the stamps?
Sunday, January 8, 2017 by Christian

Math
A dictionary costs $24. The total cost of the dictionary and 4 identical diaries is the same as 7 diaries. How much does 1 diary cost?
Sunday, January 8, 2017 by Veronica

math
If $10,000 is invested in an account at 4.8% annual simple interest, how long will it take for the account balance to grow to $11,200? I am confused. How do you do this?
Sunday, January 8, 2017 by name

Math
Whuch of the following expressions is equivalent to the expression below? 4[5x+2-x]
Sunday, January 8, 2017 by Jessie

Math
The sum of three numbers is 975. If you subtract x from each of these numbers you obtain 12, 345, and 126 respectively. What is x?
Sunday, January 8, 2017 by Isabelle

Math
A rope hangs from the ceiling. It reaches the floor exactly. It's 4 feet from the wall. When it's pulled to the wall, the end of the rope is 4 inches above the floor. How high is the ceiling?
Sunday, January 8, 2017 by Isabelle

math
A plane travels east from San francisco towards St. Louis at 500 miles per hour, and a turbojet travels north from new orleans toward St. louis at 600 miles per hour. Find the rate of change of the distance between them when the jets are 300 miles apart, and the plane is 100 ...
Sunday, January 8, 2017 by Mikaela

math
A person 6 feet tall walks at a rate of 150 feet per minute toward a light tower whose searchlight is located 40 feet above the ground. Find the rate that the length of the shadow is changing.
Sunday, January 8, 2017 by Mikaela

math
A board 5 feet long slides down a wall. At the instant the bottom end is 4 feet from the wall, the other end is moving down the wall at a rate of 2 feet per second. At the moment, how fast is the bottom end sliding along the ground?
Sunday, January 8, 2017 by Emily

math
an airline company offers a round-trip group flight from New York to London. If x people sign up for the flight, the cost of each ticket is to be 1000-2x dollars. Find the maximum revenue the airline company can receive from the sale of tickets from the flight?
Sunday, January 8, 2017 by Emily

Math
A toolshed with a square base and a flat roof is to have a volume of 800 cubic feet. If the floor costs $6 per square foot, the roof $2 per square foot, and the sides $5 per square foot, determine the dimensions of the least expensive shed.
Sunday, January 8, 2017 by Emily

math
A scientist observes two colonies of bacteria. The first grows at a rate of 2.2 x 10^6 bacteria per hour. The other grows at a rate of 6.3 x 10^5 bacteria per hour. Which grows faster? How do you know?
Sunday, January 8, 2017 by Anonymous

math
the perimeter of a triangle is 23 cm. all side lengths are integers. if one side measures 5cm, what is the length of the largest possible side?
Sunday, January 8, 2017 by joe gorini

Math
Alicia, Bill, and Ross are in Group A. David, Maddie, and Shelby are in Group B.The students are going to have their pictures taken. They will stand in 2 rows by group, and group members cannot be separated. If 2 girls or 2 boys cannot be standing next to each other, how many ...
Sunday, January 8, 2017 by Veronica

Math
Becky has $60 and Nina has $120. How much money must Becky give to Nina so that the amount of money Nina has is 5 times what becky has?
Sunday, January 8, 2017 by Veronica

Math
Natalie had some marbles. She gave 1/3 of them to her brother,who kept 12 marbles for himself and gave the rest to 5 friends.If each friend received 7 marbles, how many marbles did Natalie have at firts?
Sunday, January 8, 2017 by Veronica

Math
At one afterschool event, of the students were 8th graders and the rest were 7th graders. Of the students who were in 7th grade, the ratio of boys to girls was 3:5. What percent of all the students at the afterschool event were boys who are in the 7th grade? Help plz
Sunday, January 8, 2017 by Anonymous

math linear equation
The sum of two number is 110 .oneffifth of the larger number is 8 more than one ninth of the smaller number. Find the number
Sunday, January 8, 2017 by salini

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