Friday
July 3, 2015

Homework Help: Math

Branches of Math

Recent Math Questions

math
which figures will always be similar to each other? A.two rectangles B.two trapezoids C.two equilateral triangles D.two hexagrams
Wednesday, February 26, 2014 by bonn

Theory of Computation- Math - Context free grammar
Write a context-free grammar for the following language. Start with an English statement of the language, and give five good strings. x1#x2# .. #xk, k ≥ 1, for some i and j: xi = xj^R, Σ = {a, b, #} (notes: xi’s contain a’s and b’s only, #’s ...
Wednesday, February 26, 2014 by Mikhail

Math
A canoe rental company charges $40 to rent a canoe plus $12 an hour. How much would it cost to rent a canoe for X number of hours?
Wednesday, February 26, 2014 by Se

Math Lengths
order the lengths from least to greatest. 305cm, 31km, 3m, 35dm
Wednesday, February 26, 2014 by Diana

math
the daily wages of a man is 60 and that of a boy is 35. if the daily wages of total 20 men and boys is 900. find the number of men.
Wednesday, February 26, 2014 by avishek

Math
Im working on "Finding the Area and Circumference of a circle" I have a question. Is the circumference half of the area? I was looking at my brothers math book, this is what it shows. C=πr2≈ 2(3.14)(4)≈ 25.1 A=πr^2≈ 3.14(4^2)≈ 50.2 ...
Wednesday, February 26, 2014 by SandpitTurtle

math
y=2x+6
Wednesday, February 26, 2014 by christopher whiting

Math
Why animals and plants are found on earth but are not on other planets of the solar system? Please ,,help me
Wednesday, February 26, 2014 by NAwaf

math
directions: rewrite each sentence using parentheses to make it true. 1.) 4x6+2-6=26
Wednesday, February 26, 2014 by tika

Math
What does a net of a cylinder look like?
Wednesday, February 26, 2014 by Amy

MATH ALGEBRA
f(x)=6x^3+19x^2+8x-5 find all the zeros of the given function
Wednesday, February 26, 2014 by Andy

math
200 people attended a party. Ninety-nine percent of the people were FSU fans. After some people left the party, 98% of the people left were FSU fans. How many people left the party?
Wednesday, February 26, 2014 by Sally

math
what is the cost of the lumber if the thickness is 2',width is 12',lenght is 120' if the price per board foot is 80 pesos
Wednesday, February 26, 2014 by zarah

discrete math help please
1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
Wednesday, February 26, 2014 by Mary

Math
Another variety of R&Ns has a different set of magical (yet mathematical) properties. Remove exactly 4 candies and 1 additional candy appears in the bag. According to the package, a bag contains 50 candies. What is the maximum number of canies that this variety of R&Ns will ...
Wednesday, February 26, 2014 by John

Math
R&N is a new candy with magical (yet mathematical) properties. Not all candies are the same size. When removing the largest R&N from a new bag, the bag becomes 1/2 full; removing the second largest makes the bg 1/3 full; removing the third largest makes it 1/4 full, and so on...
Wednesday, February 26, 2014 by John

4TH GRADE MATH
MS T BOUGHT CUPCAKES FOR HER 3RD GRADE CLASS. MS. CASA BOUGHT TWICE AS MANY CUPCAKES AS MS T, AND 4 TIMES AS MANY CUPCAKES AS MS. G. MS. G BOUGHT 241 CUP CAKES. A. HOW MANY CUPCAKES DID MS T BUY? B. MS.. B CAME LATE TO THE PARTY AND HALF OF THE CUPCAKES HAD ALREADY BEEN EATEN...
Wednesday, February 26, 2014 by DARRYL

math
1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
Wednesday, February 26, 2014 by Mary

math
Ms. Jones bought 1 pound of banana chips for her 4 children. she want to give each of them equal amounts. Can you help her figure out how much she should give each of them.
Tuesday, February 25, 2014 by . Janae

Math
Solve the following for x X^2+14x+4=0
Tuesday, February 25, 2014 by Pam

Math
Give exact and approximate solutions to three decimal places. X^2-5x+3=0
Tuesday, February 25, 2014 by Pam

math
On the first day of fishing season, 70% of the 125 people fishing caught fish. Find what percent of the people caught fish.
Tuesday, February 25, 2014 by keri smith

math
3-6x+8x=9
Tuesday, February 25, 2014 by chuck

math
The sanchez family soent 15 days at the seashore. 12 of the days were warm and sunny. What percent of their days were warm and sunny?
Tuesday, February 25, 2014 by sean mendoza

MATH
1,020 students attended the homecoming game. If this 85% of the student body, how many students are there in all?
Tuesday, February 25, 2014 by jordan lambert

math
Mrs. Zimmerman spent $55 at the grocery store. 40% of that she spent on meat. How much did she spent on meat?
Tuesday, February 25, 2014 by ariana

math
Kathy scored 9 points. that was 18% of her teams score. How many points did the team score?
Tuesday, February 25, 2014 by Karen

math
suppose x is a uniform random variable with c=40 and d=70. find the standard deviation of x
Tuesday, February 25, 2014 by sydney

math
the diameters of ball bearings produced in a manufacturing process can be described using a uniform distribution over the interval 6.5 tp 8.5 millimeters. what is the mean diameter of a ball bearings produced in this manufacturing process?
Tuesday, February 25, 2014 by sydney

math
The tax on a purchase was $9.33. If the sales tax rate is 6%, how much was the purchase? Write and solve an equation.
Tuesday, February 25, 2014 by ciara

Math
There is a general rule that you should spend no more than 25% of your monthly income on your rent or mortgages. Additionally, there is a general rule that says your monthly mortgages payment on a house is approximate 1% of the original mortgage amount. What is the largest ...
Tuesday, February 25, 2014 by Imelda

Math
Dan's business makes $75,000 a year. He spends 6% of that on advertising. How much does he spend on advertising?
Tuesday, February 25, 2014 by loren

math
A can of soda at 80°F is placed in a refrigerator that maintains a constant temperature of 37°F. The temperature T of the soda t minutes after it is placed in the refrigerator is given by T(t) = 37 + 43e−0.058t.
Tuesday, February 25, 2014 by rox

math
The basketball team won 21 games. Thisbis 25% of the games they played. How many games did the team play?
Tuesday, February 25, 2014 by Alec

Math
On the first day of fishing season, 70% of the 125 people fishing caught fish. Find what percent of the people caught fish.
Tuesday, February 25, 2014 by Alexa Zimmerman

Math
A company will make a cereal box with whole number dimensions and the volume of 100 cm³. If cardboard cost five cents per 100 cm² what is the least cost to make 100 boxes?
Tuesday, February 25, 2014 by Joy

Math
Long distance Phone Company A charges a base rate of $5.00 per month plus 4 cents a minute that you're on the phone. Long distance Phone Company B charges a base rate of only $2.00 per month but they charge 10 cents per minute used. How much time per month would you have ...
Tuesday, February 25, 2014 by Adina

MATH
MR CHEN WANTS TO BUY 27 BLUE PENS AND 35 RED PENS. THE PENS ARE SOLD IN PACKAGES OF 8.HOW MANY PACKAGES OF BLUE PENS MUST HE BUY WRITE AN EQUATION USING THE LETTER B FOR THE UNKNOWN AMOUNT. THEN SOLVE THE EQUATION.
Tuesday, February 25, 2014 by JAMIE THOMAS

math
A firm pays $1.75 for each copy of a magazine and sells each one for $2.50. There is a fixed monthly cost of $40 for printing the publication. If the firm wants to make $550 dollars next month, how many magazines do they have to sell? Write and solve an equation that ...
Tuesday, February 25, 2014 by ciara

math
write a recursive formula for 8,6,4,2,0 then find a14
Tuesday, February 25, 2014 by kiddy

math
50 students took a test. 24 recieved a better than average grade. What percent scored above the average?
Tuesday, February 25, 2014 by mary d.

Math
Need help with this problem: Isolate the variable: -4(2x - 7) = -36
Tuesday, February 25, 2014 by James

Math
Need help with a few: Perform the indicated operation. Write your answer in simplest form: 4|5 / 20|3
Tuesday, February 25, 2014 by James

5th grade math
sue and dave shared 1/3 pound of cherries equally. What fractional part of a pound did each get? Molly wrote the following equation to solve the problem: (2 divided by 1/3) 2/1/3=n. Do you agree with Molly's equation? support your answer with information from the problem. ...
Tuesday, February 25, 2014 by sara

math
You are a member of your high school track team and you specialize as a long-distance runner. Your event is the 1500-meter run, also known as the metric mile, which you run at a constant rate. During one particular 1500-meter race you are 1200 meters from the finish line after...
Tuesday, February 25, 2014 by Anonymous

Math
Victoria wants to plant a vegetable garden in the shape of a square. She has a space allocated in her backyard that will accommodate 175 square feet. Using the drawing below, use the FOIL method to find the polynomial that represents the area of the square. If x=6, will she ...
Tuesday, February 25, 2014 by Teresa

Math
The weights of male babies less than 2 months old in the United States is normally distributed with a mean of 11.5 pounds and a standard deviation of 2.7 pounds. How do I find the 80th percentile for these weights?
Tuesday, February 25, 2014 by Jeri Jackson

math
fifteen-foot board is cut into 2 1/3 foot long pieces for a bookcase. After as many pieces are cut, how long is the remaining piece?
Tuesday, February 25, 2014 by Anonymous

math comparing fractions
Can u put 4/8 and 2/3 and 1/6 in order from least to greatest ??
Tuesday, February 25, 2014 by jada

math
Help solving one more question please!Mason spent $15.85 for 3 notebooks and 2 boxes of markers.The boxes of markers cost $3.95 each,and the sales tax was $1.23.he also used a coupon for $0.75 off his purchase.If each notebook had same cost,how much did each notebook cost?
Tuesday, February 25, 2014 by zion

Math/fractions
Ben played 4/7 hours in the yard before dinner after dinner he played for 5/7 more hour. How many total hours did he play?
Tuesday, February 25, 2014 by Brandi

math
The Men's Warehouse has suites on sale for buy one full priced, get the second 40% discounted and the third 70% discounted. If a full priced suit costs $380, what should someone expect to pay for three suites? Amy has been saving for her high school graduation trip for a ...
Tuesday, February 25, 2014 by edu

Math
How long is the peanut to the nearest 1 and a half inch.don callejon math
Tuesday, February 25, 2014 by Anonymous

math
Im confused on how to solve this question,please help.Meryl spends a total of $68.82 for 2 pairs of sneakers with same cost.sales tax is $5.32.she also uses a coupon for $3.00 off her purchase.How much does each pair of sneakers cost?
Tuesday, February 25, 2014 by zion

help i have no idea!!!!!! math
The Men's Warehouse has suites on sale for buy one full priced, get the second 40% discounted and the third 70% discounted. If a full priced suit costs $380, what should someone expect to pay for three suites? Amy has been saving for her high school graduation trip for a ...
Tuesday, February 25, 2014 by idk

math
What is 1/8 written as another fraction
Tuesday, February 25, 2014 by tish

Math
a snake can grow up to 21 feet. This is 35% of its maximum length. What is the maximum length?
Tuesday, February 25, 2014 by Clark

Math
Another variety of R&Ns has a different set of magical (yet mathematical) properties. Remove exactly 4 candies and 1 additional candy appears in the bag. According to the package, a bag contains 50 candies. What is the maximum number of canies that this variety of R&Ns will ...
Tuesday, February 25, 2014 by John

Math
R&N is a new candy with magical (yet mathematical) properties. Not all candies are the same size. When removing the largest R&N from a new bag, the bag becomes 1/2 full; removing the second largest makes the bg 1/3 full; removing the third largest makes it 1/4 full, and so on...
Tuesday, February 25, 2014 by John

math
mollly uses 192 beads to make a necklace and a bracelet. it takes 5 times as many beads to make a necklace than it does to make a bracelet. How many beads are used to make the necklace?
Tuesday, February 25, 2014 by John

Math
I have a similar problem The LCM of two numbers is 36. The GCF is 6. One number is 6 more than the other. The numbers are ------- and ------. If someone could show me how to do this one, I could figure out the other 5 I have to do (maybe) Thank you very much.
Tuesday, February 25, 2014 by Billy

math
3 [7]+ 2 -7
Tuesday, February 25, 2014 by Chyna

math
4p+6 if p =1 1/2
Tuesday, February 25, 2014 by Chyna

Math
21-3c if c=7
Tuesday, February 25, 2014 by Chyna

math
2[7] - 9
Tuesday, February 25, 2014 by Chyna

math
27 -15 divided by 3
Tuesday, February 25, 2014 by Chyna

Math
Help Please! The LCM of two numbers is 60. The GCF of the numbers is 5. One number is 5 more than the other. The numbers are________ and __________ Please help clueless in Massachusetts
Tuesday, February 25, 2014 by Lance

Math
When the sum of all the positive even numbers is 420, find the largest even number in the sequence.
Tuesday, February 25, 2014 by kyle

math
Triangle ADE is proportional to Triangle ABC. The Length of DE is 20 Ft: the Length of AB is 6 ft. and the Length of BC is 8 Ft. What is the length of AD?
Tuesday, February 25, 2014 by Stan

math
Triangle ADE is proportional to Triangle ABC. The Length of DE is 20 Ft: the Length of AB is 6 ft. and the Length of BC is 8 Ft. What is the length of AD?
Tuesday, February 25, 2014 by Anonymous

Math
find the volume of a square pyramid with a base length of 9 cm and a height of 4 cm: a. 324 cm b. 108 cm c. 36 cm d. 152 cm Please help!!
Tuesday, February 25, 2014 by #1Student

Math
Ruby and Marielle are working on a project. If ruby finishes 4/8 of the project and Marielle finishes 3/8 , how much of the project is left? Answer: 4/8_3/8= 1/8 The table below shows the amounts of some foods the averge American eats each year. Estimate the product. Round the...
Tuesday, February 25, 2014 by NAwaf

math
1.3m is what in millimeters
Tuesday, February 25, 2014 by Anonymous

Math
Fine the distance between points P(5, -4) and Q(1, -2) I come up with d= 7.211 but im not sure if its right.
Tuesday, February 25, 2014 by Kylee

Math
John is designing a redwood deck. each board is 5 1/2 inches wide, and each will be placed parallel to one another. Should he use 3/16 inch, 1/4 inch, or 3/8 inch spacing between boards if he wants the deck to be as close as possible to, but not greater than, 18 fet wide? How ...
Tuesday, February 25, 2014 by John

Math
A carousel at Playland, contains 38 horses. each carousel ride takes 4 minutes, riders need 3 minutes to exit and newcomber require 3 minutes to pick a horse and hop on. A carousel ride costs $0.75. The carousel makes $88,239.00 a year. How many horses are occupied per ride, ...
Tuesday, February 25, 2014 by John

Math
What is the maximum number of intersections that can be formed by n lines?
Tuesday, February 25, 2014 by John

math
Another variety of R&Ns has a different set of magical (yet mathematical) properties. Remove exactly 4 candies and 1 additional candy appears in the bag. According to the package, a bag contains 50 candies. What is the maximum number of canies that this variety of R&Ns will ...
Tuesday, February 25, 2014 by John

Math
R&N is a new candy with magical (yet mathematical) properties. Not all candies are the same size. When removing the largest R&N from a new bag, the bag becomes 1/2 full; removing the second largest makes the bg 1/3 full; removing the third largest makes it 1/4 full, and so on...
Tuesday, February 25, 2014 by John

please help with math
There exist irrational numbers a and b so that a^b is rational. look at the numbers √2^√2 and (√2^√2)^√2 a) use similar idea to prove that there exists a rational number a and an irrational number b so that a^b is irrational b) prove that if 2^&#...
Tuesday, February 25, 2014 by excel

discrete math help please
1. for any sets X and Y, we define the symmetric difference X ∆Y by: X∆Y = (X - Y) ∪ (Y - X) = (X ∪ Y) - (X ∩ Y) Prove the following: -for all sets A,B and C, if A - (B ∩ C) = ∅ then A- C ⊆ B - for all sets A,B and C, if A ⊆...
Tuesday, February 25, 2014 by Mary

math
a kite with a string 150ft long makes an angle of 45 degree with the ground. assuming that the string is straight how high is the kite?
Tuesday, February 25, 2014 by Eymern

Math
John wants to hire an editor to check his thesis paper. The editor charges a flat rate of $50 and $2 per page. Write a polynomial to describe the cost. Find the cost of editing 75 pages. Calculations: Answer: Polynomial: ____________________Cost:_______________​__
Monday, February 24, 2014 by Teresa

Math-simplify
Can someone help me simplify this (2x/15)^2 / (.15-x/15)(.2-x/15) I end up getting this, 4x^2/x^2-17x+.003
Monday, February 24, 2014 by mae

math
Michael will be running 15 mile road race this weekend. How many feet will he run?
Monday, February 24, 2014 by Please help

Math
The denominator of a fraction is four more than twice the numerator. If both numerator and denominator are increased by six, the simplified result is 7/13. Find the original fraction
Monday, February 24, 2014 by Zac

math
you have 8 marbles numbered 1-8, mix them up & draw 2. What are the chances that the #s are 4 & 7
Monday, February 24, 2014 by Tyson

Math
The Toyota Co. has a daily production quota of $100,000 worth of cars. They produce two types of cars. Their compact model (x) is valued $10,000 and their luxury car (y) is valued at $20,000. A. Write an inequality that describes the production quota B. On April 6, the factory...
Monday, February 24, 2014 by McKenna Louise

Math
Give the exact and approximate solutions to three decimal places. X^2-7x+3=0 The exact solutions are x=________ The approximate solutions to 3decimal places are x=___________
Monday, February 24, 2014 by Pam

4 grade math
What is the sum of4/10 and 40/100
Monday, February 24, 2014 by micaiah

math
Cecilia created 2.5 liters of a chemical mixture for an experiment. Saline soltution accounted for 12.5% of the mixture. How many liters of saline solution were in the mixture? a.) 0.3125 liters b.) 2.1875 liters c.) 3.125 liters d.) 31.25 liters
Monday, February 24, 2014 by Please Help!!!

math
435 is 15% of what number? a.) 6.525 b.) 65.25 c.) 2,900 d.) 29,000
Monday, February 24, 2014 by Please Help!!!

math
What is 38% of 560?
Monday, February 24, 2014 by Please Help!!!

Math-Algebra
The Toyota Co. has a daily production quota of $100,000 worth of cars. They produce two types of cars. Their compact model (x) is valued $10,000 and their luxury car (y) is valued at $20,000. A. Write an inequality that describes the production quota B. On April 6, the factory...
Monday, February 24, 2014 by McKenna Louise

math
208 square root to nearest hundredth.
Monday, February 24, 2014 by paula

math
255 square root to the nearest hundredth.
Monday, February 24, 2014 by paula

math
130 square root to the nearest hundredth.
Monday, February 24, 2014 by paula

Math-Algebra 1
I have 2 questions. one is a rectangle that has an area of 34 square meters, the width is (x+4)m and the length is (x+11)m. The other problem is a triangle that has an area of 119 square ft. The legs are (x+3) ft and (x+6) ft. It has a right angle opposite the hippotenuse. ...
Monday, February 24, 2014 by Aaron

Math
A small plane flying a banner in the shape of a rectangle the area of the banner is hundred and 44 square the width of the banner is one fourth the length of the banner what are the dimensions of the banner
Monday, February 24, 2014 by Jessy

math
A number pattern has 75 as its first term. The rule for the patterm is subtract 6. What is the sixth term ? a).39 , b). 45 , c). 51 , d). 69. My answer is a).39
Monday, February 24, 2014 by Anonymous

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