Friday

October 21, 2016
**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*

**Math 8**

What is the sum of 5/6 + 2/3?

*Monday, October 17, 2016 by Person**

**Math **

Find the 12th term of the sequence - 1/3,-5/6,-4/3,-11/6

*Monday, October 17, 2016 by Janet *

**Math Help**

A server purchased at a cost of $108,000 in 2002 has a scrap value of $18,000 at the end of 5 years. Find the linear equation expressing the server's book value at the end of t years. a- V(t)=108,000 b- V(t)=108,000t-18,000t c- V(t)=18,000t+108,000 d- V(t)=18,000t e- V(t)=...

*Monday, October 17, 2016 by Rob*

**Math **

Find the 12th term of the sequence-1/3,-5/6,-4/3,-11/6

*Monday, October 17, 2016 by Janet *

**Math **

Write each number 327 ; 792 between: two consecutive multiples of 10

*Monday, October 17, 2016 by Fahed*

**MATH (Please Help)**

An office building worth $1 million when completed in 2000 is being depreciated linearly over 80 years. What will be the book value of the building in 2048? (Assume the scrap value is $0.) a. The book value of the building in 2048 will be $200,000. b. The book value of the ...

*Monday, October 17, 2016 by Kal Jay*

**Math**

Write each number 327 ; 792 between two consecutive multiples of 10

*Monday, October 17, 2016 by Anonymous*

**math**

given sin theta=8/17 when 0°<theta<90° without using a calculator.find the value of 2cot theta?

*Monday, October 17, 2016 by jeysha*

**math**

-12/3*(-8+(-4^2)-6)+2

*Monday, October 17, 2016 by Meee*

**Math**

write each numbers: 327;792;403 and 1,878 between: two consecutive multiples of 10

*Monday, October 17, 2016 by Fahed*

**Math**

there are 50 animals on a farm,24% of them are pigs, 30% are cows and the remaining are sheep. what is the percentage of the total number of cows and pigs to that of the sheep?

*Monday, October 17, 2016 by Anonymous*

**Math **

At the end of the course David averaged a 90% on Tests; 80% on Quizzes; 60% on Quick Checks; 90% on Discussions; 100% on Participation and 95% on Sample Work. What would be his final percentage to the nearest tenth and please show how you got your answer! Thank you so much

*Monday, October 17, 2016 by Please Help!*

**math**

thea verage of two middle rational numbers if 4/7,1/3,2,3,5/9 in aceding order is

*Monday, October 17, 2016 by sahithi*

**MATH **

The quantity demanded for a certain brand of portable CD players is 200 units when the unit price is set at $90. The quantity demanded is 1,200 units when the unit price is $40. Find the demand equation. I'm leaning toward d, but I'm not sure. a. p = - 0.05x + 100 b. p...

*Monday, October 17, 2016 by Kal Jay*

**math need help ASAP**

use benchmark to estimate the sum 3/5 + 3/17

*Monday, October 17, 2016 by N*

**Math**

4 - t = 3(t - 1) - 5

*Monday, October 17, 2016 by Random*

**math**

54:30=_:5

*Monday, October 17, 2016 by trish*

**Spanish**

1. What does "Yo necesito la carpeta de argollas" mean in Spanish? A. You need a calculator. B. I need the three-ring binder. **** C. You need to take science class. D. I need a dictionary 2. What country was Diego Rivera from? A. Cuba B. Puerto Rico C. México...

*Monday, October 17, 2016 by Just a confused person...*

**MATH 115**

The price of a home in Medford was dollar-sign Baseline 100,000 in 1985 and rose to dollar-sign 148 ,000 in 1997. a. Create two models, f(t) assuming linear growth and g(t) assuming exponential growth, where t is the number of years after 1985. Round coefficients to ...

*Monday, October 17, 2016 by Anyno.*

**Math**

If 9 apples cost $8.1 how much would 5 apples cost

*Monday, October 17, 2016 by Emily*

**Math**

the length of the hypotenuse of a right angled triangle is one unit more than twice the length of shortest side and the other side is one unit less than twice the length of the shortest side. find the lengths of other two sides.

*Monday, October 17, 2016 by Prathamesh *