Tuesday
September 27, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

Math College 115
You spend $1000 on a computer and for tax purposes chose to depreciate it (or assume it decreases in value) to $0 at a constant rate over a 4-year period. a) calculate the rate of chage of the assumed value of the equipment over 4 years. The rate of change is____ b) create a ...
Sunday, September 4, 2016 by Hazle

Math
Let K(x)= (sin(3x-7)) / (e^x-2) (I'm sorry if it is not clear here, but the denominator in K(x) has the natural number, e, to the power of just x. So "x-2" is not the exponent. "x" is the exponent). The Question: Does K(x) have a horizontal asymptote? (...
Sunday, September 4, 2016 by Stephen

Math
A taxi company charges a flat fee plus an amount per mile. A journey of 10 miles costs £7 and a journey of 15 miles costs £9. What would you pay for a journey of 8 miles?
Sunday, September 4, 2016 by Bejoy

Math College 115
A hiker can walk 2 miles in 43 minutes. What is his average speed in miles per hour? Round your answer to two decimal places. The hiker's average speed is ___ miles per hour. What formula can be used to find the distance travel, d, in miles in t hours?
Sunday, September 4, 2016 by Hneo

Math
What is 6.4 divided by 8 equal and can you show work please.
Sunday, September 4, 2016 by Tash

Math College 115
Create a formula for converting degress centigrade, C, to degrees Fahrenheit, F, if for every increase of 5 degrees centigrade the Fahrenheit temperature increased by 9 degrees, with an initial point of (C,F)= (0,32) Enter the exact answer. F=_________
Sunday, September 4, 2016 by Naeb

Math
Eight increased by the product of 2 and two less than a number
Sunday, September 4, 2016 by Elizabeth

Math
How do u evaluate and put 2.0*10^-7/8.0*10^-9
Sunday, September 4, 2016 by Nina

Math
A number has three distinct digits. The sum of the digits equals the product of the digits. How many three-digit numbers satisfy this condition?
Sunday, September 4, 2016 by Ryan

Math
The sum of the opposite of a number and the absolute value of the number is equal to the number itself.True,sometimes true,never true?
Sunday, September 4, 2016 by Sarah

Math Algebra
How can I solve this problem? A circle has diameter [AB]. The centre of the circle is (1,3), and B has coordinates (4,-1). # Find the coordinates of A. # Find the length of the diameter. HELP ME PLEASE
Sunday, September 4, 2016 by CC

Math
The perimeter of a small rectangular garden is 18 feet. if the length is twice the width, find the width and the length of the garden.
Sunday, September 4, 2016 by Katelyn Haggard

Math
The sum of the opposite of a number and the absolute value of the number is equal to the number itself. True,sometimes true,or never true?
Sunday, September 4, 2016 by Sarah

math
if it takes 12 cooks 2 hours to bake 3 cakes, how many hours would it take for 8 cooks to cook 6 cakes?
Sunday, September 4, 2016 by dara

Math
Ali has a rectangular pool around which he wants to construct a fence. The pool is 10 m long and 6 m wide, and he wants the fence to be 2 m from the edge of the pool on all sides. How many metres of fencing will he need
Sunday, September 4, 2016 by Tintin

Math
How many five-card hands chosen from a standard deck contain two hearts and three spades? How do I solve this?
Sunday, September 4, 2016 by John

Math
Use a tree diagram or systematic list to determine the number of ways a nickel, a dime, and a quarter can be flipped to get exactly one tail.
Sunday, September 4, 2016 by Joseph

Math
A eighteen-sided die is rolled three times. In how many ways can this happen? How would I solve this problem?
Sunday, September 4, 2016 by Harry

Math
Write an algorithm to evaluate the average height in class. Get the lengths of the class from the user. Trace your program and show your results.
Sunday, September 4, 2016 by Anonymous

math
2 cars need 8days to remove sand. Additional car joined the work from day 4 to to reduce the time. when will they remove all the sand. -6 days -6 1/3 days -6 1/4 days -7 1/3 days please show steps Thanks in advance.
Sunday, September 4, 2016 by Mike

math
The mathematics club in a school has 53 members. 5/7 of the girls members and 3/5 of the boys members are from lower secondary. The total number of lower secondary members is 35. How many members of the club are boys?
Sunday, September 4, 2016 by Waqas

math
As part of the 'Learning Journey' program, 73 pupils travelled on two buses, one air-conditioned and one non-air-conditioned, to the Singapore Discovery Centre. Three-fifths of the pupils on the air-conditioned has wee girls. There were 17 boys in the non-at, ...
Sunday, September 4, 2016 by Waqas

math
Mary has two tanks of fish. If she transfers 15 fish from the larger tank to the smaller tank then the number of fish in the smaller tank will be 5/7 of the number of fish in the large, tank. Given that there are 35 fish in the smaller tank originally, find the number of fish ...
Sunday, September 4, 2016 by Waqas

math
There are 42 pupils in a class. 3/4 of the boys and 2/3 of the girls travel to school by bus. The total number of boys and girls who travel to school by bus is 30. (a) How many boys are there in the class? (b) How many girls travel to school by bus?
Sunday, September 4, 2016 by Waqas

math
A sum of money is shared among three brothers. The eldest receives 7/13 of it and the 13 next receives 2/3 of the remainder. If the youngest brother receives $6, find the sum of money shared.
Sunday, September 4, 2016 by Waqas

Math
A stone is thrown up from the top of a platform with an initial velocity of 19.8m/s. If the top of the platform is taken to be the ground level, calculate The Velocity just before reaching the ground
Sunday, September 4, 2016 by Blackagar

Basic Math
How many different four-digit numbers can you form using the digits 1, 2, 3, 5, 6, 7, and 9 with repetition allowed? Would the answer be, 7*7*7*7? Thanks
Sunday, September 4, 2016 by Lily

MATH
How many five-card hands chosen from a standard deck contain two hearts and three spades?
Sunday, September 4, 2016 by John

MATH
How many license plates are possible consisting of 4 letters followed by 2 digits, if the first letter must be a C? Repetition is allowed.
Sunday, September 4, 2016 by STEPH

MATH
A family has 4 children. A tree diagram or systematic list can be used to show how many ways the children could have been born, from first born to last born. Determine how many ways the family could have had one boy and 3 girls.
Sunday, September 4, 2016 by HANNAH

Math
Jack thinks of two numbers. The HCF of these numbers is 6 and one of the number is 24 suggest what his other number may have been?
Sunday, September 4, 2016 by Kamaljeet

math
14 is added to 2/3 of a number.the result is 1 1/4 times the original number.find the number
Sunday, September 4, 2016 by mma

Math
Additional questions: this is for a form I need to fill out regarding my medications. Help please and thank you. If a bottle of 300 pills cost $17.40 … and you take 2 pills a day … - How much is the cost per pill? - How much is the cost per week? - How much is the ...
Sunday, September 4, 2016 by E

Math
If a bottle of 300 pills cost $17.40 … and you take 2 pills a day … - How much is the cost per pill? - How much is the cost per week? - How much is the cost per month?
Sunday, September 4, 2016 by E

math
Eliza borriws 25,000 and agrees to cancel her debt by paying equal sums at the.end of each month for 1 year. Find her monthly payment if interest is 6% compounded monthly.
Sunday, September 4, 2016 by ann

Math
Ann bought 30 pens for Rs 4.20 each.If she had used this amount of money to buy pencils for 3 for Rs 5,how many pencils could she have bought
Sunday, September 4, 2016 by Ha

Math
The price of an x-box was $400.Ahmad had to pay an additional 7% for G.S.T. How much did Ahmad have to pay for the x-box with G.S.T.
Sunday, September 4, 2016 by Asyirah

math help
find the equation to the tangent line of the parabola given by x^2=2y at point (3, 9/2)
Sunday, September 4, 2016 by jameson

Math
Ben had 20 books.He read 5 books.What percentage of the books had he read?
Sunday, September 4, 2016 by Asyirah

Math
Two cars drive a total distance of 300km. The distance that car A drives 2/3 of total distance than car B drives. How far does car A drive?
Sunday, September 4, 2016 by Mike

Math
A cube has edge lengths of 5cm each. The cube weighs 0.54 kg. What is its specific weight
Sunday, September 4, 2016 by Mike

Math
A ship starts at port P, sails 226 deg (T) for a distance of 120 km. 1. How far south of P is it? 2. How far west of P is it?
Sunday, September 4, 2016 by Karen

Math - sets
Suppose A, B, and C are sets. In at least one of the following situations, one can conclude that A = B. Identify those cases where this conclusion does apply. (i) A ∪ C = B ∪ C A={1,2},A={1,2}, B={2,3}B={2,3} and C={1,2,3}.C={1,2,3}. It is A∪B=A∪C=C={1,...
Sunday, September 4, 2016 by Drake

Math 160
The position function of an object moving along a straight line is given by s = f(t). The average velocity of the object over the time interval [a, b] is the average rate of change of f over [a, b]; its (instantaneous) velocity at t = a is the rate of change of f at a. A ball ...
Saturday, September 3, 2016 by Erin

math
-23 4/7 + (+ 34 1/6)= I didn't get it can anyone help me!!!! Please I got to study for this test tuesday
Saturday, September 3, 2016 by Wossum

Math
An old book listed that 72 turkeys were bought for $\$\square.\square\square$ each, at a total cost of $\$\square 67.9\square.$ What was the cost of each turkey, if each $\square$ stands for a digit that was unreadable in the old book? Note: The $\square$ digits are not all ...
Saturday, September 3, 2016 by Ryan

MATH
A number has three distinct digits. The sum of the digits equals the product of the digits. How many three-digit numbers satisfy this condition?
Saturday, September 3, 2016 by Jhon

math
If focus and directrix of a parabola are (3,-4) and x+y+7=0 then its length of latuusrectum is?
Saturday, September 3, 2016 by jogender

math/Calculus
If h(x) = csc(x), find the inverse h^(-1)(x). express answer in terms of sin^(-1), cos^(-1) or tan^(-1) Don't know where to start -
Saturday, September 3, 2016 by Linda

Math
State the domain and range of f(x) = 2sin(sort(3x-1)) + 3
Saturday, September 3, 2016 by Linda

Math
I am a mutiple of 4 I am between 6 and 15 I am also a factor of 16 what number am I
Saturday, September 3, 2016 by Kasha ortiz

math
Which of the following equations are true. Select all that apply. A. 7+(-7)= 14 B.-4+9= 5 C. 3-(-10)=-7 D. -2-6= -8
Saturday, September 3, 2016 by Wossum

Math
If sinA+sinB=1/2 and cosA+cosB=1/2 then the value of tanA+tanB
Saturday, September 3, 2016 by Raju chauhan

math
Tell me whether each fraction. 1/n, is given as a terminating decimal or a repeating decimal for the given rules of n. Write t for terminating or r for repeating. It starts at 2- 10 which are t and r.
Saturday, September 3, 2016 by Wossum

math
Given the four rational numbers below, find the greatest difference and the greatest product using two of the numbers for each operation. 2 1/3,1.5, -1.25, -3 1/4 Difference= -0.95 is what I got for the first answer. Product= 4.0925 is what I got for the second
Saturday, September 3, 2016 by Wossum

Math
The mathematics club in a school has 53 members. 5/7 of the girls members and 3/5 of the boys members are from lower secondary. The total number of lower secondary members is 35. How many members of the club are boys?
Saturday, September 3, 2016 by Saba

Math
As part of the 'Learning Journey' program, 73 pupils travelled on two buses, one air-conditioned and one non-air-conditioned, to the Singapore Discovery Centre. Three-fifths of the pupils on the air-conditioned has wee girls. There were 17 boys in the non-at, ...
Saturday, September 3, 2016 by Saba

Math
Mary has two tanks of fish. If she transfers 15 fish from the larger tank to the smaller tank then the number of fish in the smaller tank will be 5/7 of the number of fish in the large, tank. Given that there are 35 fish in the smaller tank originally, find the number of fish ...
Saturday, September 3, 2016 by Saba

Math
There are 42 pupils in a class. 3/4 of the boys and 2/3 of the girls travel to school by bus. The total number of boys and girls who travel to school by bus is 30. (a) How many boys are there in the class? (b) How many girls travel to school by bus?
Saturday, September 3, 2016 by Saba

Math
A sum of money is shared among three brothers. The eldest receives 7/13 of it and the 13 next receives 2/3 of the remainder. If the youngest brother receives $6, find the sum of money shared.
Saturday, September 3, 2016 by Saba

Math
James uses 1/3 of his land for growing durians, 1/4 for bananas, 3/8 for guavas and the remaining 9 hectares for mangoes. What is the total area of his land?
Saturday, September 3, 2016 by Saba

math
A pelican flies 2 and 1/4 feet above the surface of the ocean. A dolphin swims 10 and 1/2 feet below the surface. How far apart are the dolphin and the pelican? Show your work. I got 8 and 1/4. I think it's right but I just want to get another's persons opinion.
Saturday, September 3, 2016 by Wossum

math
Patrick recorded the daily changes of the value of stock in dollars: -3.40, -8.09, -2.47, 1.86, and 3. 55. What was the average daily change in the stocks value in dollars. I got 1.71 but I think it might be wrong.
Saturday, September 3, 2016 by haley

math
If football team loses 3 yards, gains 12 yards, gains 10 yards, and then loses 15 yards. Did the team gain or lose yards overall? How many yards? Show your work
Saturday, September 3, 2016 by haley

math
The sum of all digit is 21 none of my digit are same.i am the smallest 7 digit number made of these digit who I am?
Saturday, September 3, 2016 by sunil

math
How to post 35252 in expanded form
Saturday, September 3, 2016 by Monique

Math
If a storage tank is holding 450 litres when it is three-quarters full, how much will it contain when it is two-thirds full?
Saturday, September 3, 2016 by Andre

math
You are completing a tax form. The tax is 15.3% of $44,000. Calculate how much you have to pay
Saturday, September 3, 2016 by arely

math
Your bill at a restaurant is $29.97. You want to leave about 20% for a tip. Estimate the amount of a tip. (Round your answer to the nearest cent.)
Saturday, September 3, 2016 by arely

Math
Kate's parents decided it was time to start giving her pocket money. They were not sure how much to give her so they started with $1 for the first week and doubled it every week. How many weeks until Kate gets over $20 pocket money?
Saturday, September 3, 2016 by George

Math
A hot dog cart at the entrance of the Stadium sells hot dogs ($3.50) and hamburger ($5.25) for a total of $1,225.00. If it sells twice as many hot dogs as hamburgers, how many of each did it sell?
Saturday, September 3, 2016 by Jennifer

Math
Amy, Siti and Tina have a total of 730 story books. Tina has 50 more books than Amy. Amy has 70 books more than Siti. How many story books does Tina have?
Friday, September 2, 2016 by Jac

math
If one is added to both numenator ans denominator fraction become 3/4 however 3 is subtracted from both the fraction become 1/2.fnd the fraction.
Friday, September 2, 2016 by mamta

Math
A triangular trench 40ft long is 2ft across the top, and 2ft deep. If water flows in at the rate of 3ft³/min, find how fast the surface is rising when the water is 6 in deep.
Friday, September 2, 2016 by Leeya

math
The average age of 24 pupils is 15 years while the average age of 16 pupils is 14 years.What is average age of 40 pupils in a class?please i need anyone to help me
Friday, September 2, 2016 by kelvin

math
Marium travels a distance of 8 km everday to and from the school.What is the total distance will she travel for 40 days? i need a help please
Friday, September 2, 2016 by kelvin

Math
If 15 pizza were purchased, and 25 people ate 121/2 slicee how many pieces did each person eat?
Friday, September 2, 2016 by Del3

Math
Jeremiah is mowing the lawn which is 2 acres he has mowed 1/4 of a acre in 1/12 of a hour when he was done he had to mow the neighbor's yard which is 1 acre if he can continue at the same rate what is the unit rate for the number of acres can he. mow
Friday, September 2, 2016 by Mercie

Math
There are 25 students in class. 2 are absent today. What is the percent of students present in class today?
Friday, September 2, 2016 by Melly

Math
Congresswoman Smith opened the Post and saw that a bean-counting scandal had been leaked to the press. Outraged, Smith immediately called an emergency meeting with the five other members of the Special Congressional Scandal Committee, the busiest committee on Capitol Hill. ...
Friday, September 2, 2016 by Bailey

Math
For his 13th birthday Adam was allowed to travel down to Sarah's Sporting Goods store to purchase a brand new fishing pole. With great excitement and anticipation, Adam boarded the bus on his own and arrived at Sarah's store. Although the collection of fishing poles ...
Friday, September 2, 2016 by Bailey

Math
A snack bar sells ice snow cones. An ice cube has a side length of 24 centimeters.after shaved all linear dimensions of the ice cube are 1/4 of original dimension
Friday, September 2, 2016 by Jazmin

math
A roll of carpet is 4 meters long. How many pieces of carpet can be cut from the roll if each piece is to be 2/5 meter long?
Friday, September 2, 2016 by dezzy

Math
You have 16 new CDs to put on your empty five-shelf CD rack. Can you place the CDs so that each shelf contains three or fewer CDs? Can you arrange them so that each shelf contains exactly three?
Friday, September 2, 2016 by Bailey

MAth
Over a four year period the value of a stock increased from $15 per share to $24.89. Determine the total return and annual return.State answers to the nearest 0.01%.Total Return: Annual Return:
Friday, September 2, 2016 by Serria

Math concepts
How many positive odd integers between 100 and 10000 can be formed using the digits 2,3,4,5 and 6
Friday, September 2, 2016 by Mollie

Math
Evaluate the function. h(n) = -3 • 4^2n+1; Find h(2n)
Friday, September 2, 2016 by Willow

prealgebra
One letter is randomly selected from the word PRIME and one letter is randomly selected from the word MATH. What is the probability that both letters selected are vowels?
Friday, September 2, 2016 by math1

Math
-3,2,7,|-10| Are this integers list from least to greatest??
Friday, September 2, 2016 by Anonymous

math,
The table below represents an object thrown into the air. Table
Friday, September 2, 2016 by jada

Math
which set of integers are in the right order from least to greatest a.|-10|,-3,2,7 •• b.7,|-10|,-3,2 c. 2,-3,7,|-10| d. -3,2,7,|-10
Friday, September 2, 2016 by Civil

Math
I have determine if these are area or volume simply based on looking at them without doing the calculations. Could you please explain how to do that? 1. pi(4 in)^3 is in the numerator 3 is in the denominator 2. 2pi(1.5m)^2 + 2pi(1.5m)(3m) 3. 1/2(10ft)(18ft) + (10ft)^2 Thank you.
Friday, September 2, 2016 by Sami

Math
Liquid is flowing into a tank consist of vertical circular cylinder and vertical circular cone at the rate of 1m³/4min.The height of the cylinder is 3m while the height of cone is 2m.If the radius of the tank is 1m, a)how fast is the surface rising at h=1/2m b)how fast is...
Friday, September 2, 2016 by Shazana

Math
Point E is the midpoint of BC of a rectangle ABCD and F is the mid point of CD, The area of Triangle AEF is 3sq.units then the area of ABCD is?
Friday, September 2, 2016 by bingo

math help
find a set of parametric equations for the line that passes through the given points (3, 7/2, -3/2), (9/2, 3/2, 1)
Friday, September 2, 2016 by ellora

math help
find a set of parametric equations for the line through the point and parallel to the specified vector. (1, -8, -3), parallel to (-1, 6, -6) find symmetric equations for the line through the point and parallel to the specified vector. (5, -2, -4), parallel to (3, 6, 8)
Friday, September 2, 2016 by ellora

Math Algebra
A 2 digit number is increased by 36 when the digits are reversed. The sum of the digits is 10. Find the original number.
Friday, September 2, 2016 by Anonymous

math
PLEASE HELP ME WITH THIS TRIGONOMETRY QUESTION!!? Edit Express each of the following in terms of another angle between 0 degrees and 180 degrees a. sin 50 degrees b. sin 150 degrees c. cos 45 degrees d. cos 120 degrees Update: we have not yet learnt it in class i'm trying ...
Friday, September 2, 2016 by becky2000

math
An 8 liter can filled with cooking oil weights 42kg. When 5 liters are emptied from the can,the can and the oil weight 27kg.What is the weight of the empty can?
Thursday, September 1, 2016 by Jun

Math
Is -n always, sometimes, or never a positive number? Explain. I don't know what they mean by -n - is a negative number?
Thursday, September 1, 2016 by Robin

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