Thursday
December 8, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

Math please help
Three consecutive odd intergers are such that the sum of the squares of the first two integers is 54 more than 20 times the third integer. Determine the three integers.
Tuesday, October 18, 2016 by Madison

Math
The sides of a rectangular field are in the ratio 9:7 and the perimeter is 144 metres. Find the sides.
Tuesday, October 18, 2016 by Hari

Math please help
suppose a triangle has an area of 10ft^2. IF the base of the triangle is 1 foot longer than the height of the triangle, what are the lenghts of the base and height?
Tuesday, October 18, 2016 by Madison

Math (NEED HELP NOW PLEASE)
During the basketball game, Jen made 4 times as many shots as she missed. If she made 12 shots, how many shots did she miss? My guess: 3 * 4 = 12 shots total so 3 are missed. I do not want to teach this wrong. Please help.
Tuesday, October 18, 2016 by Sub Teacher

Math
In a parallelogram abcd,if angle a =(2x+25) and angle b = (3x_5),find the value of x and the measures of each angle of the parallelogram
Tuesday, October 18, 2016 by Anonymous

Math
In a parallelogram abcd,if angle a =(2x+25) and angle b = (3x_5),find the value of x and the measures of each angle of the parallelogram
Tuesday, October 18, 2016 by Anonymous

Math
In a parallelogram abcd,if angle a =(2x+25) and angle b = (3x_5),find the value of x and the measures of each angle of the parallelogram
Tuesday, October 18, 2016 by Anonymous

MATH
The upper chamber of an hour-glass is a cone of radius 3 inches and height 10 inches and, if full, it requires exactly one hour to empty. Assuming that the sand falls through the aperture at a constant rate, how fast is the level falling when: a) the depth of the sand is 6 ...
Tuesday, October 18, 2016 by ZEN

Math
Mr. Josie's investment decreased 25% in value. By what percent should its value increase so it can get back to its original value?
Tuesday, October 18, 2016 by Karla

math
the perimeter of the quadrilateral is 49 centimeters. find the length of each side. when the sides are x+8 x+4 4x-3 & x^2-3x
Tuesday, October 18, 2016 by darrius

MATH
A man 6 feet tall walks along a walkway which is 30 feet from a the base of a lamp which is 126 feet tall. The man walks at a constant rate of 3 feet per second. How fast is the length of his shadow changing when he is 40 feet along the walkway past the closest point to the ...
Tuesday, October 18, 2016 by WILI

math
if a coffee cup has a diameter of 2.5in then what is the cup's circumference?
Tuesday, October 18, 2016 by Savanha

Math
my sister is 5 years elder than me if my age is x years then what will be my sisters age write the age in terms of 'x'
Tuesday, October 18, 2016 by Paris

math
the integers from 1 to 1000 are printed on a list. how many times does the digit 8 appear?
Tuesday, October 18, 2016 by iselle

math
find the number of terms 14,21,28,35.....6293
Tuesday, October 18, 2016 by iselle

math
the sum of 2+4+6...800
Tuesday, October 18, 2016 by iselle

math
the sum of all numbers 1-100
Tuesday, October 18, 2016 by iselle

Math
a snail was at the bottom of a well in the first ten minutes the snail climbed 2 and 7/12m in the next ten minutes it climbed 1 and 5/7m how far was the snail from the bottom of the well after 20 minutes?
Tuesday, October 18, 2016 by 5th grade

Math
For the pair of supply-and-demand equations, where x represents the quantity demanded in units of 1,000 and p is the unit price in dollars, find the equilibrium quantity and the equilibrium price. p = - 2x + 15 and p = 5x + 1 a. equilibrium quantity 4,000 units; equilibrium ...
Tuesday, October 18, 2016 by Robbi

Math help
Find the break-even point for the firm whose cost function C and revenue function R are given. C(x)=0.3x+140; R(x)=0.5x a. P(680)=340 b. P(700)=350 c. P(690)=345 d. P(720)=360 e. P(710)=355 thank you
Tuesday, October 18, 2016 by Kal Jay

Please explain (Math)
The demand equation for a certain brand of GPS Navigator is x + 3p - 565 = 0, where x is the quantity demanded per week and p is the wholesale unit price in dollars. The supply equation is x - 16p + 480 = 0, where x is the quantity the supplier will make available in the ...
Tuesday, October 18, 2016 by Robbi

Math help please!
New Orleans has highest elevation of 25, lowest -8. Long Beach has highest 360, lowest -7. Which city has an average elevation of -2? How do you calculate that?
Tuesday, October 18, 2016 by Natasha

Math Please help
A division of a corporation manufactures bicycle pumps. Each pump sells for $9, and the variable cost of producing each unit is 40% of the selling price. The monthly fixed costs incurred by the division are $50,000. What is the break-even point for the division? a) break-even ...
Tuesday, October 18, 2016 by Robbi

math
How many square feet of carpet will be needed to cover the kitchen and bedroom floors? 237.5 square feet 365 square feet 425 square feet 475 square feet
Tuesday, October 18, 2016 by jake

Science, Math
I'm going to use 1 mm to represent 1 million years. 1 bya 2 byaM 3 bya 4 bya 4.6 bya What would be these numbers?
Tuesday, October 18, 2016 by Ayaka

Math
If one side of triangle measures 3.5 dm. What is the perimeter
Tuesday, October 18, 2016 by Jade

Math
1/50 change fraction to a decimal
Tuesday, October 18, 2016 by Anonymous

Math
There is a football field and the length shows 120 yd and the width is 53 1/3 yd a. What are the dimensions of a football field in feet? b. A chalk line is placed around the perimeter of the football field. What is the length of this line in feet? c. About how many laps around...
Tuesday, October 18, 2016 by Erik

math
The ratio of two numbers is 3:5, the smallest number is 45 what is the larger number?
Tuesday, October 18, 2016 by eric

math
algebra sorry i posted again 3) -(2x + 7) what i don't get is that what to do with 7 because it has no variable...
Tuesday, October 18, 2016 by someone

math
Algebra 1) 11x + 2y - 4x - y 2) 9x + 2y -5x what i did in no. 2 is subtract 9 and 5 then add 2... please correct mw if i am wrong
Tuesday, October 18, 2016 by someone

math
A man 6 feet tall walks along a walkway which is 30 feet from a the base of a lamp which is 126 feet tall. The man walks at a constant rate of 3 feet per second. How fast is the length of his shadow changing when he is 40 feet along the walkway past the closest point to the lamp?
Tuesday, October 18, 2016 by an

math
The upper chamber of an hour-glass is a cone of radius 3 inches and height 10 inches and, if full, it requires exactly one hour to empty. Assuming that the sand falls through the aperture at a constant rate, how fast is the level falling when: a) the depth of the sand is 6 ...
Tuesday, October 18, 2016 by an

math
Solve each problem and write your answers in scientific notation. 1. (6.0 x 105) x (3.0 x 104) = (1 point) 18 x 1020 18 x 109 1.8 x 1020 1.8 x 1010 2. (5 x 10–2) ÷ (2 x 103) = (1 point) 2.5 x 10-5 2.5 x 10-1 25 x 101 25 x 102 3. (2.56 x 106) x (3.56 x 102) = (1 ...
Tuesday, October 18, 2016 by awesome guy

MATH
Write the distance y across the flat sides of a hexagonal nut as a function of r.
Tuesday, October 18, 2016 by VIKAS

Math
The density of water at 21 degrees C is 0.997992 g/mL. The density of water at 22 degrees C is 0.997770 g/mL. What is the density of water if the room temperature is 21.3 degrees C?? So I would just multiply 30 percent of the density at 21 degrees C but I'm stuck on how to...
Tuesday, October 18, 2016 by Ray

math
A ladder rests against a vertical pole. The foot of the ladder is sliding away from the pole along horizontal ground. Find the inclination of the ladder to the horizontal at the instant when the top of the ladder is moving 3 times as fast as the foot of the ladder.
Tuesday, October 18, 2016 by binh

math
Two aeroplanes fly eastwards on parallel courses 12 miles apart. One flies at 240 m.p.h. and the other at 300 m.p.h. How fast is the distance between them changing when the slower plane is 5 miles farther east than the faster plane?
Tuesday, October 18, 2016 by binh

math Please help/explain
A division of a corporation manufactures bicycle pumps. Each pump sells for $9, and the variable cost of producing each unit is 40% of the selling price. The monthly fixed costs incurred by the division are $50,000. What is the break-even point for the division? a) break-even ...
Monday, October 17, 2016 by Robbi

Math Question
A product may be made using machine I or machine II. The manufacturer estimates that the monthly fixed costs of using machine I are $18,000, whereas the monthly fixed costs of using machine II are $15,000. The variable costs of manufacturing 1 unit of the product using machine...
Monday, October 17, 2016 by Kal Jay

6th grade math
If someone can please help me i keep re reading my mathbook I need help i tried I'm unsure: Is there a relationship between area and perimeter? (My answer : yes they both are meadurements one reads the outside and one inside.) Does changing one mean the other one always ...
Monday, October 17, 2016 by Angel

Math
You are buying 4 tickets for a football game on stub hub for tickets are $60 each you have to pay a handling fee of $5 per ticket and a shipping fee of 10 for the entire order How much is or going to cost? How much does each person owe you for their fair share?
Monday, October 17, 2016 by Kay

6th grade math
98.547/4.93 985-493=437 4377-4437=4877 4877-4437=4400 here's where we get stumped the calculator shows we should have a 9 in out answer
Monday, October 17, 2016 by gloria

math
How many liters each of a 55% acid solution and a 80% acid solution must be used to produce 50 liters of a 60% acid solution? (Round to two decimal places if necessary.)
Monday, October 17, 2016 by larry

MATH
The area of a circle is 25π square inches. What is the length of the radius of the circle in inches? (Area of circle = πr^2). I don't understand it please explain it to me
Monday, October 17, 2016 by Help please

Math
How many square tiles with sides 1 foot long would be needed to cover the floor of an 8' x 10' room
Monday, October 17, 2016 by Mary

Math
Which container holds more, a half-gallon milk jug or a 2 liter juice bottle? My answer: 1 gallon=3.79 liters 3.79 liters/2=1.895 liters A 2 liter juice bottle would hold more. Can you please check my work and let me know if there is another way to figure this answer out. ...
Monday, October 17, 2016 by Erik

2nd grade math
My number has 1 hundred and 1 thousand. It has double the number of tens as ones. What could my number be?
Monday, October 17, 2016 by Court

math
The area of a circle is 25π square inches. What is the length of the radius of the circle in inches? (Area of circle = πr^2). I don't understand it please explain it to me
Monday, October 17, 2016 by Jordan

math 6th
You make a large bowl of salad to share with your friends.Your brother eats 1/3 of it before they come.What fractional portion of the origanal bowl of salad does each friend receive
Monday, October 17, 2016 by kaylah

Math
What is the overall charge of 9 group with 12 protons and 1 electron? What electric charge does this group have?
Monday, October 17, 2016 by Tina

Math
Nathan made a triple bar graph showing the numbers of bronze, silver, and gold medals won by each country in the last Olympics. How can he use the information from this graph to create a bar graph that shows the total number of medals won by each country?
Monday, October 17, 2016 by Kaylene

Math
Javier makes a double bar graph that shows the number of cats and dogs owned by members of his class. If Javier himself owns one dog and two cats, how will the heights of the bars compare?
Monday, October 17, 2016 by Kaylene

math 6th
how many tenths are in 4/5
Monday, October 17, 2016 by kaylah

Math
In her social studies report, Suzanne included a bar graph that showed the populations of different native Americans nations in 1800. The interval she used was 2000 people. If one nation had a population represented by 2.5 intervals, how many members of this nation existed in ...
Monday, October 17, 2016 by Kaylene

Math
Moesha volunteers at the zoo. She prepared a bar graph that shows the number of pounds of food eaten one day, by each animal. What information goes on the horizontal axis?
Monday, October 17, 2016 by Kaylene

Math
dawn gathered information about the population of each country in her state.if she prepares a bar graph of this data, what information goes on the vertical axis?
Monday, October 17, 2016 by Kaylene

Math Question
Determine whether the equation defines y as a linear function of x. If so, write it in the form y = mx + b. 6x-9y^2+8=0 a. y=6x+8 b. y=6/9x-8 c. y=6x-8 d. y=6/9x+8 e. y= y is not a linear function on x Thank you for your help.
Monday, October 17, 2016 by Robie

Math
Tickets to a concert cost $12 for adults and $8.50 for students. A total of 950 people paid $10175. How many adults were at the concert
Monday, October 17, 2016 by Tony

Math
what is 4x(6-5)?
Monday, October 17, 2016 by Anonymous

math
square picture frams has perimeter of (20+30)what is the length of one side of the picture
Monday, October 17, 2016 by Anonymous

Math
5 1/4 + 2 9/16
Monday, October 17, 2016 by Ruby

math
It takes Ashley 8 hours to kayak 18 km up river and 18 km back down the river. if the river is flowing at 3 km/h, how fast did she puddle assuming she paddled at a constant speed?
Monday, October 17, 2016 by Anonymous

math
A closed-topped cylindrical tin can is to be made with a volume of 25 cm ^3. a) Determine a function to model the height h, of a can in terms of the radius, r. b) Determine a function to model the surface area A, of the can in terms of the radius, r. c) What is an appropriate ...
Monday, October 17, 2016 by Anonymous

math
Gregg has made 40% of his free-throw shots, after attempting 20 shots at a free-throw competition. How many more consecutive shots must he make in order to increase his percentage to 50%?
Monday, October 17, 2016 by Anonymous

math
How can you use a rate to compare the costs of two boxes of cereal that are different sizes?
Monday, October 17, 2016 by Human Being

Math
What is the value of -3 + 4.5 - (-1.2)?
Monday, October 17, 2016 by Christian G

6th Grade Math
Estimate a range for each sum. 7.8+31.39+6.95 How do I estimate a range??
Monday, October 17, 2016 by Anonymous

Math
Jared bought a cell phone for $42. Juanita spent 1 1/2 times as much. How much did she spend? Explain
Monday, October 17, 2016 by Christian G

6th Grade Math
I don't understand how to "estimate the range". The question is... Estimate a range for each sum. 7.8+31.39+6.95
Monday, October 17, 2016 by Person

math
The perimeter of a field is 500meters. If the length is 50meters more than the width calculate the length
Monday, October 17, 2016 by Rowland

Math
Jean Claude equally shared a box of chocolates with two of his friends. The box weighed 9/5 pounds. How many pounds of chocolate did each person receive?
Monday, October 17, 2016 by Sam

Math
What is the product of -1 3/8 and 2 4/5 expressed as a mixed number?
Monday, October 17, 2016 by Jackson

Math
What is the value of -3 + 4.5 - (-1.2)?
Monday, October 17, 2016 by Chris

math
Which is the better buy? Twelve 710mL bottles of water for $6.60 or twenty-four 500mL bottles for $9.18
Monday, October 17, 2016 by Anonymous

math
three times a number n minus two equals the sum of n and six.
Monday, October 17, 2016 by ary

Math
The sum of three numbers is 69. The first number is one less than the second number. The third number is seven more than the second number. What are the three numbers?
Monday, October 17, 2016 by Losa

math (Help)
Determine whether the equation defines y as a linear function of x. If so, write it in the form y = mx + b. 6x+√y-7=0 a. y=-6x-7 b. y=-6x+7 c. y=6x d. y is not a linear function of x
Monday, October 17, 2016 by Paul

Math
Place value
Monday, October 17, 2016 by Sarah Sellers

Math Functions
Please help me.. A mountain climber begins a hike at an elevation of 6000 feet. She then climbs such that her elevation increases by 1000 feet per hour. Let x = the amount of time that the climber has been hiking, in hours. Let E(x) = the elevation of the climber, in feet. ...
Monday, October 17, 2016 by Ayaka

Math Limits
lim(as p-->4) of (p^3 - 64) / (4-p) My work: p^3 - 64 = (p-4)(p^2 + 4p + 16) 4 - p = -(p-4) ((p-4)(p^2 + 4p + 16)) / -(p-4) p-4 cancels out -(p^2 + 4p + 16) -((4)^2 + 4(4) + 16) -(16 + 16 + 16) - 48 Is this right?
Monday, October 17, 2016 by Anne

Math
Determine whether the equation defines y as a linear function of x. If so, write it in the form y = mx + b. Can someone please break this down to someone who's terrible in math. 6x-9y^2+8=0 a. y=6x+8 b. y=6/9x-8 c. y=6x-8 d. y=6/9x+8 e. y is not a linear function on x.
Monday, October 17, 2016 by Gregg

Math Functions
Hello. Could you please help with my math homework...? An online bookseller gives the following information for their shipping information: "The shipping and handing charge per order is $4, plus $1.50 per book." Let x = the number of books that someone orders. Let S(...
Monday, October 17, 2016 by Chris

Math
24 is 33 1/3% of what number?
Monday, October 17, 2016 by Jenny

Math
what percent of 2 is 6.4
Monday, October 17, 2016 by Jenny

math
2-squre of 3
Monday, October 17, 2016 by lea

6th grade math
A camera is capable of snapping three fourts of a pic per second. How long will it take the camera to snap 6 pictures?
Monday, October 17, 2016 by Lee

math
Amanda, Lauren, and Shauna all live on King Street, east f the library than Lauren, who lives 2.5 miles further from the library than Lauren. who lives 0.8 miles closer to the library than Shauna. Shauna lives 1.9 miles from the library. How far does Amanda live from the library.
Monday, October 17, 2016 by Aleatra

Math
Jay can jump rope at a rate of 8 jumps for every 10 seconds . Find the rate
Monday, October 17, 2016 by Kay

Math
What percent of 70 is 7
Monday, October 17, 2016 by Jenny

math
A 2-digit even number is divided by 5. The quotient is a 1-digit even number. what are all the 2-digit number that fits the description
Monday, October 17, 2016 by Antonio

Math
what percent of 45 is 9
Monday, October 17, 2016 by Jenny

Math
A 2 digit even number is divided by 5. The quotient is a 1 digit even number. What are all the 2 digit numbers that fit this description ?
Monday, October 17, 2016 by Fred

Math
1. Which of these numbers can be classified as both real and irrational? 5.858585858 63.4 square root 21 ** square root 36 2. Which is both a real number and an integer? 23 ** 1 over 4 square root 27 3.402538 3. Which of these numbers is classified as both real and rational? ...
Monday, October 17, 2016 by Cassidy

math
The sum of two numbers is 94.6. If one number is 19 times the other, what are the two numbers? 
Monday, October 17, 2016 by karly crouse

Math
A square plot of land has an area of 1,156 square feet. What is the perimeter of the plot?
Monday, October 17, 2016 by Johnny

Math
There are 240 students in the hall 3/8 in fraction of them are boys.if 3/5 in fraction of them are gis have short hair ,find out the number of girls who have long hair
Monday, October 17, 2016 by Kimay

Math
Why is 0.57 a rational number?
Monday, October 17, 2016 by Correct

Math (Confused)
A certain economy's consumption function is given by the equation C(x)=0.75x+5 where C(x) is the personal consumption expenditure in billions of dollars and x is the disposable personal income in billions of dollars. Find C(0), C(50), and C(100). a. C(0)=42.5, C(50)=5, C(...
Monday, October 17, 2016 by Rob

math
one-half a number minus 6 is 4. find the number
Monday, October 17, 2016 by Alfred

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