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March 4, 2015

Homework Help: Math

Branches of Math

Recent Math Questions

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Math
Jay's term paper is 18 pages long. If Madison's paper is 175% of the length of Jay's paper, find the length of Madison's paper.
Tuesday, January 13, 2015 at 5:58pm

Math
How to find the perpendicular line of y=1/3x-2
Tuesday, January 13, 2015 at 5:53pm

Math
Samuel has read 5/6 of his assignment. Judy has read 10/12. Of her assignment. Who has read more and why?
Tuesday, January 13, 2015 at 5:53pm

math
The electricity that powers our appliances is converted from many sources of energy. About 5/10 is made from coal, about 2/10 from natural gas, and about 2/10 from nuclear power.About how much of our electricity comes from sources other than coal, natural gas, or nuclear power?
Tuesday, January 13, 2015 at 5:38pm

math
Mr. Jenkins is going to buy museum tickets for a class trip. The museum director quotes him the following prices: • 20 tickets cost a total of $250. • 30 tickets cost a total of $375. • 50 tickets cost a total of $625. a. Based on these prices, is the cost of ...
Tuesday, January 13, 2015 at 5:35pm

Math
what is the slope of the line that passes through the points (1,3) and (5,-2) -5/4 - -5/4* -4/5 - -4/5 please help me someone thank you!
Tuesday, January 13, 2015 at 5:25pm

math
how do you find the area of 7.3+13=?
Tuesday, January 13, 2015 at 5:09pm

Math
Find the perimeter of a rectangle that has a length of 24 feet and a width of 16 feet. Use the formula P=2L +2w
Tuesday, January 13, 2015 at 4:54pm

Math
Me. And Mrs. Jefferson have a total of $5170 in the bank. At the end of the month, mr. Jefferson deposits $450 into his account, and news Jefferson deposits $626 into her account. They now have an equal amount of money in their accounts. How much money did each of them have at...
Tuesday, January 13, 2015 at 4:47pm

Math
Alan rode his bike 2.6 miles from home to the park . He rode 6.03 miles to the park. Then he rode back home along the original route. How many miles did Alan ride in all? Is this correct 13.83 miles?
Tuesday, January 13, 2015 at 4:43pm

MATH HELP
six neighbors share 4 pies equally. how much of a pie does each get? three brothers share 2 sandwiches equally. how much of a sandwich does each brother get?
Tuesday, January 13, 2015 at 4:42pm

Math
A rectangle has a length of 10 3/16 inches and a width oh 6 7/8 inches. What is the perimeter of the rectangle?
Tuesday, January 13, 2015 at 4:41pm

Finite Math
The quantity demanded x of a certain brand of DVD player is 3000/week when the unit price p is $485. For each decrease in unit price of $20 below $485, the quantity demanded increases by 250 units. The suppliers will not market any DVD players if the unit price is $350 or ...
Tuesday, January 13, 2015 at 4:40pm

Math
Juan bought two new tires for his bike. He also had the bike tuned up. The total bill was $65. How much did Juan spend on the 2 tires? My daughter thinks just divide by 2 and they are 32.50
Tuesday, January 13, 2015 at 3:48pm

math
which equation is the equation of a line that passes through (-10 3) and is perpendicular to y=5x-7 y=5x+53 y=-1/5x-7 y=-1/5x+1 y=1/5x+5 pls help? thanks
Tuesday, January 13, 2015 at 3:44pm

math
Shannon says my apartment number is a prime number. Which could be Shannons apartment number? 15 31 or 44 explain answer
Tuesday, January 13, 2015 at 3:35pm

math - pls check!!!
Write an equation in point-slope form for the line that passes through one of the following pairs of points (you may choose the pair you want to work with). Then, use the same set of points to write the equation in standard form and again in slope-intercept form. (5, 1) and (-...
Tuesday, January 13, 2015 at 2:49pm

math
What is the next number in the pattern 4, 9, 25, 49, 121, 169, ___
Tuesday, January 13, 2015 at 1:24pm

Math - Ratio
A map scale is 1:10,000. Find the actual distance in centimetres represented on a map by 5cm. Convert your answer to metres and kilometres.
Tuesday, January 13, 2015 at 1:08pm

Math - Trigonometry
You are riding the ferris wheel at the Montgomery County Fair. The wheel has a diameter of 36 feet and travels at a constant rate of 3 revolutions per minute. A car at its lowest is 4 feet above the ground. Write a sine function to describe the relationship between time and ...
Tuesday, January 13, 2015 at 12:50pm

Math
1400= 2/5x X= 7000 I took 1400 times 5
Tuesday, January 13, 2015 at 12:18pm

Math
Find the lateral area of the cone. Use 3.14 fo pi and round result to the nearest whole unit. radius: 15cm Side unit: 28cm Please help!! A) 1,319 cm squared B) 2,639 cm squared C) 707 cm squared D) 2,026 cm squared is the answer B?
Tuesday, January 13, 2015 at 11:32am

math
A motorist does the first part of the journey at an average speed of 54 km/h. He then increases his speed to 60 km/h for the rest of the journey. if he travels 225 km in 4 hours, what is the distance traveled for the first part of his journey????
Tuesday, January 13, 2015 at 11:22am

Math
David has a rectangular backyard and built a right triangle sandbox in the backyard. The cost of the sand is $5.50 per square foot and the border of the sandbox is $3.00 per linear foot. What was the cost of the materials of the sandbox?
Tuesday, January 13, 2015 at 9:59am

math
a 33 long rod is to be divided into three parts, each of which is progressively longer than the next part by 2 cm. how long is each part? solution pls.
Tuesday, January 13, 2015 at 9:22am

math
A piece of wooden rod 31 cm long is to be cut into three parts, two of which are to be of equal length. the length of each of the two equal part is 5 cm longer than third part. find their lengths. solution pls.
Tuesday, January 13, 2015 at 9:18am

math
If you flip a coin twice, what is the probability that a head or a tail will land up on the first flip. Express your answers as a percent.
Tuesday, January 13, 2015 at 9:15am

math
the side of an equilateral triangle measures 5 cm more than the side of a square. if both their perimeters are the same, what are their sides?
Tuesday, January 13, 2015 at 9:12am

math
find the measure of an angle if it is 6 degree less than twice its complement with solution pls.
Tuesday, January 13, 2015 at 9:08am

math
a rectangu7loar field is to be enclosed with exactly 240 meters of fencing materials. if the length is 8 meters more than the width, find the dimensions of the field with solution pls.
Tuesday, January 13, 2015 at 8:56am

math
each side of equilateral triangle is 5 cm shorter than the side of square. the sum of the perimeters of the two figures is 251 cm. how long is each side of the triangle? solution pls.
Tuesday, January 13, 2015 at 8:53am

math
the length of a rectangular mirror is 12 cm longer than its width. find its dimensional if its perimeter is 60cm.
Tuesday, January 13, 2015 at 8:19am

math
A piece of wire 34 cm long is cut into two parts. One part is to twice as long as other. how long is each part? solution pls..
Tuesday, January 13, 2015 at 8:14am

math,trigonometry
how do i state the law of sines and cosin in words ??
Tuesday, January 13, 2015 at 7:50am

math
Bo asked Luke to guess what month and day of the week he was born. If all things are considered equal, what is the probability that Luke guessed the month and the day of the week correctly.
Tuesday, January 13, 2015 at 6:14am

math
A test of 60 minutes contains questions on mathematics and english only. the time taken to solve a mathematics question is twice the time taken to answer an english question and the ratio of time taken to solve all mathematics questions to time taken to answer all english ...
Tuesday, January 13, 2015 at 1:56am

math
Mr ram has five sons ajay,balu,charan,easwar and ganesh. He had some chocolates with him which he distributed in the following manner. Twice the number of chocolates recieved by ajay, thrice the number of chocolates recieved by charan and four times the number of chocolates ...
Tuesday, January 13, 2015 at 1:13am

Math
How to simplify (x-3)/(2x) - (4x + 3)/4?
Tuesday, January 13, 2015 at 12:59am

Math
Michelle has a starting balance on a gift card for $300. She buys several dresses at $40 a piece. After her purchases she has $140 left on the gift card. How many dresses did she buy?
Monday, January 12, 2015 at 11:58pm

Math
At a tournament, 2 different games went on for a total of 93 mins. If 1 game took 13 mins longer than the other, how long did it take to complete each game.
Monday, January 12, 2015 at 11:39pm

Math
artaud noticed that if he takes the opposite of his age and adds 40 he gets the number 28. how old is artaud?
Monday, January 12, 2015 at 11:25pm

Math
A total of 10,000 is invested into two funds paying 7.5% and 9% simple interest. The combined annual income for the two funds is $849. Determine how much is invested at each rate
Monday, January 12, 2015 at 10:56pm

math
The main span of a suspension bridge is the roadway between the bridge's towers. The main span of the Walt Whitman Bridge in Philadelphia is 2000 feet long. This is 600 feet longer than two-fifths of the length of the main span of the George Washington Bridge in New York ...
Monday, January 12, 2015 at 10:47pm

Math
(-y^2)^2= ?? Is it -y^4? A negative answer??
Monday, January 12, 2015 at 10:30pm

math
If two number cubes are rolled what is the probability of getting a 1 on both cubes?
Monday, January 12, 2015 at 10:07pm

math
A cuboid measures 6cm long, 5cm wide and 4cm high. What is the total length of the edges in centimeters?
Monday, January 12, 2015 at 10:06pm

math
You plan to visit two different zoos but cannot decide which two to visit. On a piece of paper,you write the name of each zoo in the table. Then you select the names of two zoos at random. Are your selections independent or dependent events. Explain. B. What is P (Smithsonian...
Monday, January 12, 2015 at 10:02pm

MATH
1. The population of a city increases by 4000 people each year. In 2025, the population is projected to be 450,000 people. What is an equation that gives the city's population p (in thousands of people) x years after 2010? A) p=4x+450 B)p-450=4(x-5) C)p-15=4(x-450) D) p=4x...
Monday, January 12, 2015 at 10:01pm

math
San Diego left San Francisco on Tuesday at 6.30 p.m. and took 8 hours 45 minutes to reach his home. On what day and at what time in a 24 hour system did he reach home?
Monday, January 12, 2015 at 9:56pm

math
John is now two years older than Martha. If Martha's age is represented by x, what will be their total ages after 10 years?
Monday, January 12, 2015 at 9:36pm

Math
A rectangle is 26 meters long and 18 meters wide.What is the length of the diagonal of the rectangle to the nearest meter? equation: A2 + B2= C2 I don't know where to put the numbers, but I think the answer may be 32. Thank you for any help!
Monday, January 12, 2015 at 9:22pm

math
At a school prize giving day the number of men was half of women. The number of children was three times that of women. The number of women who attended was 3x. What was the sum of the men and children?
Monday, January 12, 2015 at 9:05pm

math
Karen collects local and foreign coins. of the coins in her collection, 1/4 are foreign coins. Of the foreign coins,2/5 are from mexico What fraction of the collections are foreign coins that are not from mexico?
Monday, January 12, 2015 at 8:54pm

math
allow 2 summers of working, Samuel has decided to invest his earnings. SAMUELS BANK OFFERS TWO CDS, a preferred CD $10,000 minimum at 1% interest, or a standard CD with $7000 minimum at 2%interest earned annually. Samuel has $8000 to invest. how many years will Samuel need to ...
Monday, January 12, 2015 at 8:53pm

Math
For every 1/2 mile that daylan jogs he walks 3/4 mile. What unit rate gives the number of miles daylan jogs for every mile she walks
Monday, January 12, 2015 at 8:21pm

math
3/7, 5/6, 4/5 least to greatest
Monday, January 12, 2015 at 8:19pm

math/algebra
Mr. Jenkins is going to buy museum tickets for a class trip. The museum director quotes him the following prices: • 20 tickets cost a total of $250. • 30 tickets cost a total of $375. • 50 tickets cost a total of $625. a. Based on these prices, is the cost of ...
Monday, January 12, 2015 at 8:18pm

Math
Trail Max is sold and 1 pound bags Mary will buy some trail mix and repackage it so that each of the 15 members of the biking club gets one 2/5 pound bag how many 1 pound bags of Trail mix should mary buy to have enough without leftovers
Monday, January 12, 2015 at 8:10pm

math
A checkerboard is 10 inches long on each side.What is the length of the diagonal from one corner to another? I know, I will need to use the equation... A2+B2=C2....but I don't know where to put the numbers. Thank you for the help!
Monday, January 12, 2015 at 8:06pm

Math stem question
The main span of a suspension bridge is the roadway between the bridge's towers. The main span of the Walt Whitman Bridge in Philadelphia is 2000 feet long. This is 600 feet longer than two-fifths of the length of the main span of the George Washington Bridge in New York ...
Monday, January 12, 2015 at 7:59pm

math
The distance (in) is 3.5 in one second how much would it be in 4 seconds???
Monday, January 12, 2015 at 7:58pm

math
A school band is having a fundraiser. Band members will sell coupon books for $10 each. The band earns $12.50 for every 5 coupon books that are sold. a. After the first week, the band members had sold 105 coupon books. How much money did the band members earn from the 105 ...
Monday, January 12, 2015 at 7:56pm

Math
Kayla went to a football game. Her team scored 6 times, and got the extra point each time. A touchdown with an extra point is worth 7 points. How many points did her team score? If the other team scored 2 more times than her team and got 7 each time, how many points did they ...
Monday, January 12, 2015 at 7:56pm

math
earned $296.00 and worked for $8.00 per hour. how many hours did she work?
Monday, January 12, 2015 at 7:53pm

Math
Suppose you purchase 3 identical T-shirts and a hat. The hat costs $19.75 and you spend $56.50 in all. How much does each T-shirt cost? My answer 56.50- 19.75= 36.75 36.75/3=12.25 each
Monday, January 12, 2015 at 7:50pm

Math
The marsh family took a vacation that covered a total distance of 1356 miles. The return trip was 284 miles shorter than the first part of the trip. How long was the return trip? My answer is 1356-284= 1072
Monday, January 12, 2015 at 7:44pm

Math
if x erasers have a weight of 80 grams, what is the total weight of 50 erasers?
Monday, January 12, 2015 at 7:42pm

Math
if x erasers have a weight of 80 grams, what is the total weight of 50 erasers?
Monday, January 12, 2015 at 7:37pm

chem/math
A car traveling with a constant speed travels 150km in 7200s. What is the speed of the car?
Monday, January 12, 2015 at 7:28pm

Math
A school band is having a fundraiser. Band members will sell coupon books for $10 each. The band earns $12.50 for every 5 coupon books that are sold. a. After the first week, the band members had sold 105 coupon books. How much money did the band members earn from the 105 ...
Monday, January 12, 2015 at 7:21pm

math
The ratio of rock music to total discs that Ellen owns is 25/40. Paul has 50 rock music discs. The ratio of rock music to total discs in his collection is equivalent to the ratio of rock music to total discs in Ellen's collection. how many discs do they own? THANK YOU!
Monday, January 12, 2015 at 7:11pm

Math
Q. Sidney flew in an airplane five times during her vacation. The flights overaged 2 hours 28 minutes long. The lengths of her first four flights were 2 hours 10 minutes,3 hours 20 minutes,1 hour 15 minutes,and 2 hours 40 minutes. What was the length of her last flight. A. Do ...
Monday, January 12, 2015 at 6:46pm

Math
Which expression represents the difference of (3y+2)-(y-1)? I put 2y+ 3 for my answer.
Monday, January 12, 2015 at 6:02pm

math
The value of a telephone calling card decreases 20cents for each minute used. Write an integer to express the change in the cards value for a 4 minute call. Use a negative number to represent the card losing value.
Monday, January 12, 2015 at 5:54pm

Math
Factor 48x+8
Monday, January 12, 2015 at 5:50pm

7th grade math honors
The total cost for renting a kayak is represented as 25+5.50m. What is the constant in the expression 25+5.50m? Show work.
Monday, January 12, 2015 at 5:47pm

math
The value of a telephone calling card decreases 20cents for each minute used.write an integer to express the change in the cards value for a 4 minute call.
Monday, January 12, 2015 at 5:44pm

Math
Brenda's School is selling tickets to a spring musical. On the first day of ticket sales the school sold 3 senior citizen tickets and 9 child tickets for a total of $75. The school took in $67 on the second day by selling 8 senior citizen tickets and 5 child tickets Set up...
Monday, January 12, 2015 at 5:33pm

Math
x+3y=-6 in slope intercept form Is it y=-1/3x-2
Monday, January 12, 2015 at 5:31pm

Math
x=3-3y in slope intercept form Is it y=-1/3x+1
Monday, January 12, 2015 at 5:30pm

Math
How do you find the area of a city that is 16 miles wide and 15 miles long
Monday, January 12, 2015 at 5:18pm

Math
The formula W = 35.74 + 0.6215T - 35.75V^4/25 + 0.4275TV^4/25 relates the wind chill temperature W to the air temperature T in degrees Fahrenheit and the wind speed V in miles per hour. Use a calculator to find the wind chill to the nearest degree when the air temperature is ...
Monday, January 12, 2015 at 5:00pm

Math
How do I find the area of a wall? 15 feet by 9 feet
Monday, January 12, 2015 at 4:51pm

math
The value of.a telephone calling card decreases 20cents forma each minute used. Write en integer to express the change un the cards value for a 4 minute call.
Monday, January 12, 2015 at 4:50pm

math
In the following triangle, AB ⊥ CD and AC ⊥ BC CD is the bisector of triangle ABC If AD = 16m, and CD = 8m, find BD
Monday, January 12, 2015 at 4:47pm

math
Two cities on a map are 2 and 1/4 inches apart. The cities are actually 112.5 miles apart. How many miles is represented by one inch? What is the actual distance between two cities that are 4 and 3/4 inches apart? Use proportions
Monday, January 12, 2015 at 4:31pm

math
The temperature drops 5F each hour for 4 hours. Use en integer to express the total drop in temperature.
Monday, January 12, 2015 at 4:24pm

Math
Write an algebraic expression for the following verbal expression. Let n = the number Six less than the product of 12 and a number
Monday, January 12, 2015 at 4:22pm

please help me in math
The two-way table shows the number of people whose hobbies are reading or solving puzzles and who either ride a motorcycle or don’t ride a motorcycle. Among people whose hobby is reading, what is the relative frequency of not riding a motorcycle? Express your answer as a ...
Monday, January 12, 2015 at 4:21pm

Math
Out of 18 students at dance camp, 6 are boys. What is the ratio of girls to students at the dance camp, in simplest form.
Monday, January 12, 2015 at 4:04pm

math
what is 8/100, 3/5, 7/10 least to greatest
Monday, January 12, 2015 at 3:55pm

Math
Equation: t=5(logP/log0.5) P is the percentage of caffiene in the bloodstream related to t, time elapsed in hours Suppose you drink a cup of coffee at 9:00 a.m. What percentage of the caffiene will remain in your body at noon?
Monday, January 12, 2015 at 3:16pm

12 U Math
Solve and check for extraneous roots. log_2x+log_2(x+2)=3 * _2 is a subscript and (x+2) isn't a superscript*
Monday, January 12, 2015 at 1:53pm

Math
[Key: /= a fraction bar] Olga ran 5 kilometers in 37 minutes. Which could Olga use to determine m, the number of minutes she would take to run 25 kilometers at this rate? A. 37/5 = 25/m B. 5/m = 25/37 C. 37/5 = m/25 D. 5/m = 37/25
Monday, January 12, 2015 at 1:51pm

math
The scale balanced when n+20=80 Suppose the left side becomes n+3 How can I change the right side so that n+3=____ is equivalent to n+20=80 How can I change the right side to get an equivalent equation my choices are A. Add blank to the right side B. Divide the right side by ...
Monday, January 12, 2015 at 1:07pm

Math
The solution set to the inequality:-2x^2+8x-6>0 is ?
Monday, January 12, 2015 at 12:56pm

Math
How to simplify 5^(4/3)? by writing it in radical form?
Monday, January 12, 2015 at 12:53pm

Math
Is 2square root 6 the same as square root 6?
Monday, January 12, 2015 at 12:46pm

Math
A scientist is monitoring the temperature of a holding tank containing fish to be released into a river. In one 12-h period, the highest temperature was 10.4°C and the lowest temperature was 7.6°C. Write an absolute value equation that can be used to report the highest...
Monday, January 12, 2015 at 12:31pm

Math
The velocity of an object is given by the formula v=25t-80, where the time is expressed in seconds and the velocity is expressed in feet per second. Find the times when the magnitude of the velocity is equal to 60 ft/s. (3 marks)
Monday, January 12, 2015 at 12:24pm

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