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July 28, 2014

Homework Help: Math

Branches of Math

Recent Math Questions

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math ratio
The ratio of parents to students of 4:5. If there are 189 total spectators to the game,how many of them are parents. How many of them are students.
Monday, June 2, 2014 at 10:06pm

math
the table shows the type and number of pieces of each of the first 20 fruit sales at a store. Predict how many oranges will be sold if a total of 120 pieces of fruit are sold
Monday, June 2, 2014 at 10:05pm

Math algebra
You plan a party and spend $26 on decorations. Each of the tables will have 8 party favors and 8 individual flowers. The flowers cost $2.50 each. Which equation can you use to find the cost of each party favor? *please make an equation*
Monday, June 2, 2014 at 9:36pm

algebra
In a math class, 20 students stayed up late to watch the basketball game and 5 did not. What conclusion can you make?
Monday, June 2, 2014 at 9:23pm

math algebra?
Is 1/3 , 3/4 , 0.2 in order from least to greatest or is 5 1/8 , 5 1/4 , 5 2/3 in order from least to greatest?
Monday, June 2, 2014 at 9:22pm

math
A road has a 10% grade (slope).how much does it rise if it is 2 km long?
Monday, June 2, 2014 at 7:47pm

math
factor completely 81x^4 - 81 possible choices are:: (9x^2 + 9)(9x^2 - 9) OR (9x^2 +9)(3x + 3)(3x - 3)
Monday, June 2, 2014 at 7:41pm

algebra
In a math class, 20 students stayed up late to watch the basketball game and 5 did not. What conclusion can you make?
Monday, June 2, 2014 at 7:11pm

math
The t-shirts for the fundraiser will cost $4.00 to make and there is a $25.00 delivery fee. There are two sized wristbands; a large one that will cost $5.00 to make, and a small one that will cost $3.00 to make. If everyone who orders wristbands orders one small and one large ...
Monday, June 2, 2014 at 7:08pm

math [linear equations]
graph the following equation x-y=5
Monday, June 2, 2014 at 7:04pm

math
solve for c A= -3(a + b - 1/3c)
Monday, June 2, 2014 at 6:51pm

math
a man is in a boat 2 miles from the nearest point on the coast. He is to go to point q, 3 miles down the coast and 1 mile inland. If he can row at 2 mi/h and walk 4 mi/h toward what point on the coast should he row in order to reach point q in the least time?
Monday, June 2, 2014 at 6:41pm

math for me!!!!!!
Linda can run 1 mile in 9 minutes. How many miles can she run in 1 hour?
Monday, June 2, 2014 at 5:48pm

Math Helppp
Scores for men on the verbal portion of the SAT-I test are normally distributed with a mean of 509 and a standard deviation of 112. (a) If 1 man is randomly selected, find the probability that his score is at least 579. (b) If 13 men are randomly selected, find the probability...
Monday, June 2, 2014 at 5:29pm

math
The t-shirts for the fundraiser will cost $4.00 to make and there is a $25.00 delivery fee. There are two sized wristbands; a large one that will cost $5.00 to make, and a small one that will cost $3.00. 1. Write an expression to represent the student council's total cost ...
Monday, June 2, 2014 at 5:26pm

math problem
Find an equation of the line that passes through two points. (0,4) and (7,10)
Monday, June 2, 2014 at 5:15pm

math
Lucy is thinking of a number. The number is greater than two hundred twenty-five. Her number is less than 2 hundreds 2 tens 7 ones. What is Lucy's number?
Monday, June 2, 2014 at 5:14pm

math
simplify ^5 square root x^20
Monday, June 2, 2014 at 5:07pm

math 1 question!!!!!!
Which is the best display for the set of the number of daily 911 calls made during a month, if you want to be able to identify the mode? A. Histogram with intervals of 5<----- B. Histogram with intervals of 3 C. Line plot D. Line graph
Monday, June 2, 2014 at 5:05pm

math HELP!!!!!!
2. Researchers at Jackson Hospital asked 40 randomly selected patients about their sleep habits. Sixteen reported sleeping 8 hours or more each night. If their are 700 patients in the hospital, estimate the number of patients who sleep 8 hours or more each night. A.140 B.160 C...
Monday, June 2, 2014 at 4:49pm

math HELP!!!!!!
A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporter's data is valid or not? A. The data is valid for ...
Monday, June 2, 2014 at 4:46pm

Math
A crate with no lid is shaped like a cube with sides that are 0.8 m long. What is the surface area of the crate?
Monday, June 2, 2014 at 4:41pm

MATH!!!
Writing a linear equation You are given the 2012 value of a product and rate at which the value is expected to change during the next 5 years. Use this information to write a linear equation that gives the dollar V of product in terms of the year. (Let t=12 represent 2012). ...
Monday, June 2, 2014 at 4:39pm

Finite math
Scores for men on the verbal portion of the SAT-I test are normally distributed with a mean of 509 and a standard deviation of 112. (a) If 1 man is randomly selected, find the probability that his score is at least 579. (b) If 13 men are randomly selected, find the probability...
Monday, June 2, 2014 at 3:55pm

math
20. Which of the following rectangles is similar to a rectangle that measures 13 units by 25 units?
Monday, June 2, 2014 at 3:48pm

Math
Twenty tires are tested to see if they last as long as the manufacturer claims they do. Three tires fail the test. Two tires are selected at random without replacement for an inspection. Find the probability that both tires fail the test. Which is greater, the probability that...
Monday, June 2, 2014 at 3:44pm

hEALTH CHECK ANSWERS
1. Dante loves swimming but he wants to improve his arm strength. He researches kayaking and decides to participate in this activity. Which location would provide him the best location for training? A. swimming pool B. ocean with friends C. local river with a trained kayaker...
Monday, June 2, 2014 at 3:19pm

Math
Noreen recently took a job helping people register to vote. The job has a mandatory 10-day period of probation during which her success rate is strictly monitored. On her first day, she registered 30 people. Then, for each of the next 9 days, she registered 4 more people than ...
Monday, June 2, 2014 at 1:48pm

Math
A movie theater sold a total of 390 adult and child tickets on a certain day. The theater sold 2.25 times as many adult tickets as child tickets. Each adult ticket cost $8 and each child ticket cost $3. How much revenue did the theater generate in ticket sales that day?
Monday, June 2, 2014 at 1:35pm

math
Fill up the grid with the help of clues given below-
Monday, June 2, 2014 at 1:35pm

Math
When you use a coupon for 15 percent off the original price of a headset, you pay $27. What is the original price of the headset? Please use an equation.
Monday, June 2, 2014 at 12:14pm

Math
If the number of rabbits triple every year, how many rabbits will there be after 6 years if you start off with 2? This is what I have so far: (2x3)^6 I got 46,656 for my answer but it doesn't seem like a realistic answer for the question
Monday, June 2, 2014 at 11:46am

Math
A bag contains the two tiles shown. One tile is drawn at random from the bag. The tile is returned to the bag and again a tile is drawn from the bag. What is the sample space for this experiment? A. {L, M} B. {LL, LM, MM} C. {LL, LM, ML, MM} D. {L}
Monday, June 2, 2014 at 11:05am

Math
Writing a Linear Equation You are given the 2012 value of a product and the rate at which the value is expected to change during the next 5 years. Use this information to write a linear equation that gives the dollar value V of the product in terms of the year. (Let t=12 ...
Monday, June 2, 2014 at 10:27am

math
fifteen less than four times seven
Monday, June 2, 2014 at 7:17am

Algebra Math
Please put this into an equation problem= Chuck has 8.25 gigabytes on his hard drive. Chuck wants to load 3 movies in the drive that take up 3.6,2.8, and 4.1 gigabytes each. To make room for the movies, Chuck plans to delete a 2.3 gigabyte movie. Does Chuck have enough space ...
Monday, June 2, 2014 at 6:51am

algebra math
Equation problem for - the ratings for the tv show I Want to Be a Rockstar dropped a total of 9 points in 6 weeks. What national number represents the average change in points per week?
Monday, June 2, 2014 at 6:36am

Math
An aircraft which is maintaining a constant altitude of 1000 meters is travelling directly away from an observer. At a particular instant the sngle of elevation is 52 degrees and 12 seconds later the angle of elevation is 16 degrees. Find the distance travelled in this time. (...
Monday, June 2, 2014 at 3:39am

Math
what is the percent grade of a hill that rises to an elevation of 1500 m with a run of 16 km?
Monday, June 2, 2014 at 12:59am

Math
What is the slope of a line that goes through the points (4, 8) and (15, 23)?
Monday, June 2, 2014 at 12:58am

math
Edward is buying a pair of shoes. The shoes originally cost $45. If the shirt is marked down 30% what is the new price of he shirt?
Monday, June 2, 2014 at 12:06am

helppppp math helppp!
the fernrod motorcycle company invested 250,000 at 4.5% compounded monthly to be used for the expansion of their manufacturing facilities. how much money will be aviable for the project 3.5 years?
Sunday, June 1, 2014 at 11:34pm

algebra
In a math competition, contestants recieve 8+ points for every correct answer and -5 for every incorrect answer. Boris has 23 correct answers and 5 incorrect answers; bridget has 32 correct answers and 19 incorrect. Who has the higher score?
Sunday, June 1, 2014 at 10:56pm

algebra math!
Equation problem for - the ratings for the tv show I Want to Be a Rockstar dropped a total of 9 points in 6 weeks. What national number represents the average change in points per week?
Sunday, June 1, 2014 at 10:53pm

Math
Hannah made 0.7 of her free throw in a basketball game,abra made 9/10 of her free throws,dena made 3/4 of her free throws,who was the best shooter and explain why you say so
Sunday, June 1, 2014 at 10:50pm

math 221 intro to algebra
When looking at the example of the slideshow, Equivalent Fractions, which is located in the media section of Chapter 1, the presenter divides out the common factor of _____. (Points : 1)
Sunday, June 1, 2014 at 9:12pm

Math
Hi could you please solve this as quick as possible, thanks. A tree 34 m high cast a shadow 12 m long. The angle of the inclination of the sun is closest to: A 70 B 21 C 69 D 19 E 79 Thanks
Sunday, June 1, 2014 at 8:43pm

Math
Please write an equation for the following problem: a seagull is gliding 74 1/2 feet above the surface of water. It then dives 80 feet to catch a fish. How many feet below the surface of the water does the seagull dive?
Sunday, June 1, 2014 at 8:28pm

Math
Prove that cosec 60 degrees cot 30 degrees tan 60 degrees=2secsquared 45degrees cos 30 degree
Sunday, June 1, 2014 at 7:18pm

algebra2/ Trigonometry
A bag contains 24 green marbles, 22 blue marbles, 14 yellow marbles, and 12 red marbles. Suppose you pick one marble at random. What is each probability? A. P(yellow) B. P( not blue) C. P( green or red) Tip: High School Math
Sunday, June 1, 2014 at 7:07pm

MATH HELP!!!!
A searchlight located 200 meters from a weather office is shined directly overhead. If the angle of elevation to the spot of light on the clouds is 35°, how high is the cloud ceiling? Round to the nearest hundredth.
Sunday, June 1, 2014 at 5:29pm

Math
Let A be an event with probability P(A). If E[(IA) ^36217] = Var[2(IA + 36217)]. Find P(A)
Sunday, June 1, 2014 at 4:13pm

math
Carousel Toys has Romper Buckaroos, wooden rocking horses for toddlers, on a 30% markdown sale for $72.09. What was the original price before they were marked down? Round to the nearest cent. $
Sunday, June 1, 2014 at 2:41pm

Math
A cube has a surface area of 24 ft2. What is the length of one edge of the cube? Show Work Please.
Sunday, June 1, 2014 at 2:39pm

Math
A monument consists of two cubical blocks of granite, the smaller resting on the larger. The total height of the monument is 5 feet, and the area of the exposed surface is 61 square feet. Find the dimensions of the blocks. Help please>.< Thank you in advance!
Sunday, June 1, 2014 at 2:02pm

Math
There are 52 coins that consists of pennies, dimes, and quarters. Two stacks have the same number of coins and the third stack has twice as much. The coins equal to $5.98. How many pennies, dimes, and quarters are there? I already found out that two stacks have 13 coins and ...
Sunday, June 1, 2014 at 1:03pm

Math
Let A be an event with probability P(A). If E[(IA) ^36217] = Var[2(IA + 36217)]. Find P(A)
Sunday, June 1, 2014 at 12:06pm

math
4. What are the coefficients in the polynomial 7x^2 - 4x + 6? A. -7, 4 B. 7, 4, -6 C. 7, -4, 6 D. 7, -4 7. Suppose you earned 6t + 2 dollars on Monday and 9t - 6 dollars on Tuesday. What were the total earnings? Simplify your answer. A. 15t - 4 B. 15t + 8 C. -3t - 4 D. -3t + 8...
Sunday, June 1, 2014 at 11:44am

Math
There were 2400 people at a concert.40% of them were men, the rest were women and children.The number of women was 1 2/5 times the number of children.How many more more men than women were there?
Sunday, June 1, 2014 at 11:07am

math
What is the square feet area of 48Mtrs x 24metrs
Sunday, June 1, 2014 at 9:33am

math
A team needs to save up $400 for new uniforms and currently has $190. They decide to hold a fundraiser where they can earn $7 in profits for each item sold. What equation could be solved to determine the number, n, of items to be sold?
Sunday, June 1, 2014 at 1:27am

math(urgent)
During a Merdeka Day celebration,a furniture company marked down the price of a queen size bed by 25%,selling it for $1200. At this reduced selling price,they made a markup of 10% on the selling price. a) find the regular price of bed before marked down. b) find the cost of ...
Saturday, May 31, 2014 at 11:10pm

MATH GEO URGENT
The ratio of three consecutive angles in a cyclic quadrilateral is 2:3:4. Find the largest angle of the quadrilateral, in degrees.
Saturday, May 31, 2014 at 9:52pm

math
can you help me on this problem 12*12
Saturday, May 31, 2014 at 8:03pm

math
how much is a 1/2?
Saturday, May 31, 2014 at 7:52pm

math 1 question!!!!!!
3. Which ordered pair is NOT a solution of y= –12x – 3? A. (-3, 33) B. (8,-98)<----?? C. (-9, 105) D. (3, -39)
Saturday, May 31, 2014 at 5:55pm

math
Which is a rule that describes the translation of a point form (4, –8) to (7, –10)? A.(x,y)--->(x+34,y-2) B.(x,y)--->(x+34,y+2) C.(x,y)--->(x-34,y-2) D.(x,y)--->(x-34,y+2) My answer:B
Saturday, May 31, 2014 at 5:47pm

math pls help!!!!!
these are the few i dont know/im not sure. pls help! The distance from Newtown to Oldtown on the highway is (6x^2 + 2x – 2) miles. Using the back roads, the distance is (5x^2 – 8x – 6) miles. How many miles shorter is the second route? A. 11x^2 + 10x - 8 B. -x^2...
Saturday, May 31, 2014 at 2:14pm

Math
Rectangular cake pans X and Y are similar. The ratio of the width of pan X to the width of pan Y is 3 : 4. The length of pan X is 10 inches, and its width is 5 inches. What is the perimeter of pan Y ?
Saturday, May 31, 2014 at 2:01pm

math
6b/3a+b/a
Saturday, May 31, 2014 at 1:32pm

math
If I make 600$ every 14 seconds, how long would it take me to get 1,000,000$?
Saturday, May 31, 2014 at 11:48am

math
gail borrowed $3600 from a bank to buy a washing machine she pays back the loan in 24 monthly instalments at a simple interest rate of 2% a)calculate the simple interest on the loan b)the total amount to be repaid c)if gail repays the loan in 24 equal instalments ,find the sum...
Saturday, May 31, 2014 at 11:21am

math
a swimming pool is 60m long and 25m wide. It is filled with water to a depth of 7m. Find the volume of water in the pool.
Saturday, May 31, 2014 at 10:13am

math
The Mills Lunch Shop prepares fresh take-out entrees each day. On Tuesday, 40 baked chicken dinners were prepared at a cost of $3.20 each. A 20% spoilage rate is anticipated. Mills Lunch Shop sells the dinners at an 80% markup based on cost. They decided to offer a $1.00-off ...
Saturday, May 31, 2014 at 3:46am

math
Bridget Morrow is a sophomore at State College and is running out of money. Wanting to continue her education, Bridget is considering a student loan. Explain her options. How can she best minimize her borrowing costs and maximize her flexibility?
Saturday, May 31, 2014 at 2:38am

math
how many minutes from 11:35 am till 12:50 pm?
Saturday, May 31, 2014 at 1:08am

math
At a horizontal distance of 34 meters from the base of a tower, the angle of elevation to the top is 72 degrees. Find the line of sight distance to the nearest meter.
Friday, May 30, 2014 at 10:56pm

BUSINESS MATH
Dylan's Bicycle Shop offers a new bicycle on sale for $259.92 after a 10% markdown. What was the cost of the bicycle to Dylan if the markup was 30% based on the cost? (Round to the nearest cent.)
Friday, May 30, 2014 at 9:34pm

5th Grade Math
For their first 60 games the Robins had a record of 28 wins and 32 losses. How many of their next 90 games must they win if their total record is to show twice as many wins as losses?
Friday, May 30, 2014 at 8:52pm

Math HELP
The number of apples in an apple tree after subtracting by 6, multiplying by 6, dividing by 6, in that calculating order, equals 6. How many apples are on the tree? ________________________________________​_ Please help me with another :( There is a box of books. Alex ...
Friday, May 30, 2014 at 8:31pm

Math
Which display is best to determine the relationship between the number of hours worked and the amount of money paid?
Friday, May 30, 2014 at 6:53pm

MATH
Find the least common denominator of the two rational expressions. 4k 2 ________ + ________ k^2 - 9 3 - k
Friday, May 30, 2014 at 6:42pm

math
The distance between points A and B is 10 units. If a has coordinates (4,-6) and B has coordinates (-2,y), determine the value of y. Please show work and explain. A.-6 B.-2 C.0 D.1 E.2 This is what I got so far: 10= square root of (4-(-2))^2+(-6-(y))^2
Friday, May 30, 2014 at 3:28pm

Math
Two concentric circles have radii of 24cm and 26cm. What is the length of the chord that is tangent to the inner circle? I don't understand the tangent, like where do I draw the line?
Friday, May 30, 2014 at 2:55pm

Math
Graph and identify the coordinates of a rectangle with a length of at least 5 units and a width of at least 2 units. Each vertex of the rectangle must be in a different quadrant. Two of the points must have rational coordinates that are not integers. I'm not sure what to ...
Friday, May 30, 2014 at 2:27pm

math
43. A phone company charges 10 cents per minute for the first 3 minutes of a call, and 10-cents for each minute thereafter.What is the cost, in cents, of a 10-minute phone call? a. 200-20c b.100c+70 c. 30+7c d.100-7c e. 100-70c please answer and explain
Friday, May 30, 2014 at 1:52pm

math
When a is divided by 7,the remainder is 4.When b is divided by 3,the remainder is 2.If 0<a<24 and 2<b<8, which of the following could have a remainder of 0 when divided by 8? a. a/b b. b/a c. a-b d. a+b e. ab please answer and explain
Friday, May 30, 2014 at 1:48pm

MATH
Which of the following ordered pairs represents the solution to the system of equations below? -3x+2y=2 7x-3y=7 [8.EE.8.b] A. (2, 4) B. (4, 7) C. (7, 14) D. (8, 13)
Friday, May 30, 2014 at 1:37pm

math
what is the rate compounded every 3 months that will make $4770 become $8233 in 3 years ?
Friday, May 30, 2014 at 8:29am

Math
If $6,700 is invested at 4.6% interest compounded semi-annually, how much will the investment be worth in 15 years?
Friday, May 30, 2014 at 8:00am

Math
In a family six members eat meat; five members eat fish while two eat both. Calculate the number of members in the family. How do we solve these ones? Hints please...
Friday, May 30, 2014 at 12:51am

History,geography,math lite and tourism
I am doing grade 11 and i was wondering if you guys can help me found out which jobs i can do if im doing tourism,geography,history and math lite
Friday, May 30, 2014 at 12:17am

math
a farmer has 400 meters of fence with which to enclose a portion of land. the farmer wants to enclose a rect angular piece of ground that is as large as possible. the land is bordered by water on two sides. There are three options for the farmer Option 1) have two sides ...
Thursday, May 29, 2014 at 10:16pm

math
write a problem with lengths in feet using the numbers 29 and 56. write the answer to your problem.
Thursday, May 29, 2014 at 10:12pm

math
Jane has a piece of wood that is 24 inches long. She uses 6 inches for one project and 9 inches for another project. How much wood does Jane have left?
Thursday, May 29, 2014 at 9:46pm

math
Tyler and Mia join popcorn strings to make a string 84 centimeters. Tyler's popcorn strings is 36 centimeters long. How many is Mia's popcorn string?
Thursday, May 29, 2014 at 9:42pm

math
Logan measures the height of his rose bushes. One rose bush is 35 centimeters tall. Another rose bush measures 39 centimeters tall. How tall are both rose bushes?
Thursday, May 29, 2014 at 9:36pm

math
Tyler and Mia join popcorn strings to make 84 centimeters. Tyler's popcorn string is 36 centimeters long. How long is Mia's popcorn string?
Thursday, May 29, 2014 at 9:30pm

math
Ryan watches 2 bullfrogs jump a total of 39 inches. One bullfrog jumps 22 inches. How far did the second bullfrog jump?
Thursday, May 29, 2014 at 9:18pm

math
Anna has 16 inches of silver lace and 19 inches of gold lace. How much lace does Anna have?
Thursday, May 29, 2014 at 9:10pm

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