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December 21, 2014

Homework Help: Math

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Recent Math Questions

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Math
A ladder is leaning against the side of a house so that it can reach a window that is 25 feet off the ground. The angle in which is formed between the ladder and the ground is 52 degrees. How far from the base of the house is the base of the ladder? Round the answer to the ...
Tuesday, December 2, 2014 at 8:58am

Math Question
To solve this problem, use the Pythagorean Theorem to find the third side. Next, find the other five trigonometric functions of theta (sin, tan, csc, sec and cot). Cos=5/7
Tuesday, December 2, 2014 at 8:57am

math
in a class of 40 boys 18 passed business mathematics, 19 passed accounts, 10 passed economics, 6 passed accounts only, 5 passed business mathematics and accounts only, 2 passed accounts and economics only. how many passed in all three papers
Tuesday, December 2, 2014 at 8:32am

3rd grade math
What is the next number pattern below? 16,24,32,40,48
Tuesday, December 2, 2014 at 7:33am

math
need help please. the time required for one complete oscillation of a pendulum is called its period. if L is the length of the pendulum, then the period is given by P= 2 times pie multiplied by the square root of (L/g), where g is a constant called the acceleration due to ...
Tuesday, December 2, 2014 at 7:22am

math help!
Hi! How may you check 2+3w=12+2w to equal each other and check out equal
Tuesday, December 2, 2014 at 7:13am

math
Benny drank 4 over 10 liter of juice.His brother drank as much as him and 1 over 10 more,and his sister drank half as much as him.How much juice did the three children drink?
Tuesday, December 2, 2014 at 4:41am

MATH
Fe walked 9/20(9 over 20) km,Beth walked twice as much as Fe,and Tina walked as much as Fe and 2/20(2 over 20) km. more.Who walked the farthest?How many kilometers did the 3 girls walk?
Tuesday, December 2, 2014 at 4:37am

Probability and Linear Math
SET UP BUT DO NOT SOLVE THE FOLLOWING LINEAR PROGRAMMING PROBLEM. A financier plans to invest up to $500,000 in two products. Project A yields a return of 10% on an investment, whereas Project B yields a return of 15% on the investment. Because the investment in Project B is ...
Monday, December 1, 2014 at 11:31pm

MATH
Spencer wants to plant strawberries for his garden. To do this, he has to increase the garden and the fence around it. Spencer decides one side can be twice as big and the other side four times as big. One side measures 7feet long and the other side is 5 feet long. What is the...
Monday, December 1, 2014 at 11:29pm

Math
A radio cost a company $45 to manufacture. If it sells for $97.65, what is the percent markup based on cost.
Monday, December 1, 2014 at 11:22pm

Math Proof
Prove f(x)=b^x is continuous on (-infinity,infinity) i.e. a exist in the reals. here assume b does not equal 1, but b>0
Monday, December 1, 2014 at 11:10pm

Math Proof
prove f(x)=b^x is continuous on (-infinity,infinity) i.s at all a exist in reals. here assume b does not equal 1, but b>0
Monday, December 1, 2014 at 10:41pm

Math
What is the rule for this function? input 2 output 5 ,input 4 output 13, Input 6 output 21, Input 8 output 29, Input 10 output 37 Please help now thanks
Monday, December 1, 2014 at 10:28pm

math
Estimate the product then complete the multiplication 5 4/5× 7/1. Is the answer 203/5
Monday, December 1, 2014 at 10:16pm

Math
A game is played by throwing darts at a target. A player can choose to throw two or three darts. Darcy plays two games. In Game 1, he chooses to throw two darts, and wins if he hits the target at least once. In Game 2, he chooses to throw three darts, and wins if he hits the ...
Monday, December 1, 2014 at 10:06pm

Math
A cube has a surface area of 6534 square feet. What is its volume?
Monday, December 1, 2014 at 9:51pm

math
Estimate. Then find each product. Simplify 6 1/3×1:5/6 Is the answer 11 11/18
Monday, December 1, 2014 at 9:47pm

Math
If $37,500 is invested at 6.3% for 30 years, find the future value if the interest is compounded annually,semiannually, quarterly, monthly
Monday, December 1, 2014 at 9:35pm

math
what is the number 8
Monday, December 1, 2014 at 9:34pm

math
Estimate then find each product. Simplify 7 4/5×2 1/3 Is the answer 18 1/5
Monday, December 1, 2014 at 9:27pm

Math
A box contains 4 red penciks and 6 black pencils what fraction of the pencils are red
Monday, December 1, 2014 at 8:45pm

math
how do I rearrange the equation a=d/t if I want to find d?
Monday, December 1, 2014 at 8:43pm

math
translate and solve please. five times two less than a number equals seventeen. find the number
Monday, December 1, 2014 at 8:28pm

math
a cyclist is travelling with an average velocity of 5.9m/s [w]. what will be his displacement in 1.5 h? please show steps to answer-I tried but couldn't find the answer :(
Monday, December 1, 2014 at 8:25pm

Math
How to check 4=-2(4.5p+25) so the answers both check out and equal each other?
Monday, December 1, 2014 at 8:20pm

Math
Samantha wants to buy 6 roses 4 carnations and 8 tulips she estimates that she will spend about 14 dollars on these flowers do you agree math chapter 5
Monday, December 1, 2014 at 8:11pm

MATH
Mimo wishes to leave a waitress a tip. Mimo has five coins in his pocket, a penny, a nickel, a dime, a quarter, and a half-dollar. If he uses exactly three coins for the tip, how many different tips are possible? A. 15 B. 5 C. 20 D. 10 Crystal wants to put a fence around her ...
Monday, December 1, 2014 at 7:55pm

History
Which was expected of women in the early nineteenth century? (Points : 2) working to own property obeying their husbands teaching their daughters reading and math helping their husbands make economically sound decisions Is it b?
Monday, December 1, 2014 at 7:28pm

math
Q. As a project,the fifth grade students at Scott Elementary School collected newspapers to recycle. During the first week,they collected 212 pounds of newspapers. For each of the next four weeks,they doubled the previous week's amount of newspaper collected. What 6th was ...
Monday, December 1, 2014 at 7:18pm

math
how do i convert fractions to decimals and fractions to percents?
Monday, December 1, 2014 at 7:02pm

Math
Winona needs to average 5.8 points from 14 judges to win the competition. The mean scores from 13 judges were 5.9. What is the lowest score she can get from the fourteenth judge and still win?
Monday, December 1, 2014 at 6:58pm

math
the gauss's approach to find the following 1+2+3+4+... 99 1+3+5+7+...101
Monday, December 1, 2014 at 6:34pm

MATH
a crew consists of 1 apprentice, 1 journeyman and 1 master carpenter. The crew receives a check for $5950 for a job. A journeyman makes 300% of what a apprentice makes, and a master makes 150% of what journeyman makes how much do each person on the crew make? The apprentice? ...
Monday, December 1, 2014 at 6:32pm

6th Grade Math
Which of the following is equal to 1/6÷1/18? Assume the shapes are rectangular. A) The width of a 1/6 square yard tile border that is 1/18 yard long. B) The width of a 1/18 square-meter flower bed that is 1/6 meter long. C) The area of a planter that is 1/6 yard wide ...
Monday, December 1, 2014 at 6:23pm

math
Find the Inverse: f(x)=√2x+9
Monday, December 1, 2014 at 6:22pm

Math help
How many squares in this figure? (1 point) 4.) 15 5** 20 10** Crystal wants to put a fence around her vegetable garden.Her garden is 5 ft wide and 4 ft long.She plans to put a post at each corner and at every foot.How many fence posts will Crystal need? (1 point) 14 posts 18 ...
Monday, December 1, 2014 at 6:07pm

math
A recipe for a home-made disinfectant calls for adding one-half cup of clorox to one gallon of water. Mrs. Jenkins wants to make this solution in a 32-ounce spray bottle. How many fluid ounces of clorox should be added to 32 fluid ounces of water to have the same clorox-to-...
Monday, December 1, 2014 at 5:45pm

Math
You need 2 cups of orange juice to make 3 quarts of punch. How many cups of orange juice do you need to make 3 gallons of punch?
Monday, December 1, 2014 at 5:42pm

Math
A document that is 30in x 40 in is redrawn 1 1/2 scale and redrawn again at a 1/2 scale. What are the final dimensions? On this i have no clue what to do.
Monday, December 1, 2014 at 5:31pm

Math
A giant paper football field is made for the floor of the gym. The length of the gym is 90ft. Using this same scale, what is the width of the paper football field? I am completely confused on this problem. Please help me.
Monday, December 1, 2014 at 5:23pm

Math
What is the first step in solving the equation? 3/4 divided by 2/3 Is the answer multiply
Monday, December 1, 2014 at 5:22pm

Math
Trey can drive his car 130 miles on 4 gallons of gas. At this rate how far can Trey drive on 6 gallons of gas?
Monday, December 1, 2014 at 4:12pm

Math
Hannah made 4 cups of pudding. If she served 2/3 cup of pudding to each of her dinner guest, how many guests did she serve?
Monday, December 1, 2014 at 4:10pm

Math
At the start, a biologist counts, m, microbes in a sample. Every day after that, the number of microbes in the sample is multiplied by N.
Monday, December 1, 2014 at 3:24pm

math
The area of a rectangular field is 96m2. The length of one side is 12m. The farmer needs to know its perimeter to work out how much fencing will be needed?
Monday, December 1, 2014 at 3:13pm

math
A company will need $65,000 in 6 years for a new addition. To meet this goal the company deposits money in an account today that pays 5% annual intrest compound quarterly. Find the amount that should be invested to total $65,000 in 6 years. the company should invest?
Monday, December 1, 2014 at 2:35pm

math....
-p(p-q+8) multiply
Monday, December 1, 2014 at 2:29pm

Math
Round the larger factor to the graetest place. 55*4 round 50 *4 993*6 rounds to 1,000*6 735*3 rounds to 700*3 1,914*3 rounds to 2,000*3 4,722*6 rounds to 5,000 495*3 rounds to 500*3 Please ,, My answers : true or false
Monday, December 1, 2014 at 1:54pm

MATH
multiply (-3-m)(3+m)
Monday, December 1, 2014 at 1:51pm

MATH
multiply 8(m-n+8)
Monday, December 1, 2014 at 1:50pm

Math
consider the function f(x) = (x if x<1 and 1/x if x>or equal to 1 Evaluate the definite integral: int_{-2}^{3} f(x)\,dx =
Monday, December 1, 2014 at 11:36am

Math
Evaluate these problems: 1.) Sin=1/7 Find csc= 2.) tan=2/3 Find cot=
Monday, December 1, 2014 at 11:34am

Math
Set up and solve a system of equations to solve the application. A rectangular area of 525 square feet is enclosed using 100 feet of fence. What are the dimensions?
Monday, December 1, 2014 at 10:10am

Math
4+8+12+16+............+64=?
Monday, December 1, 2014 at 6:04am

Math
On Monday, thirty percent of the pies sold at the pie store were apple. If 24 apple pies were sold on Monday, how many of the other pies were sold that day? I think I should start with 30/100 and 24/x but I am not sure. =80
Monday, December 1, 2014 at 2:55am

Math
Two ships are moving toward a rendezvous point. Ship A is 5km east and 4km north of the point Ship B is 1km west and 2km north pf the point. How many km part are the two ships? Please . I really need your help
Monday, December 1, 2014 at 12:34am

math
Janet bought 1/2 cake. She ate 1/4 of the cake she bought. Then she cut the remainder into 2 equal pieces. What fraction of a whole cake was each piece?
Monday, December 1, 2014 at 12:13am

math
The line segment joining ( -3,-4) and (6,11) is to be divided in to three (3) equal parts. Find the coordinates of the point of the part closest to (-3,-4). Please help me..
Monday, December 1, 2014 at 12:06am

Math
1. A town has a population of 100,000 now and the population is increasing 10% every year. What will be the population in 5 years? 2. How many poles will be in a pile of telephone poles if there are 30 in the bottom layer, 29 in the second, and so on, until there is one in the...
Monday, December 1, 2014 at 12:05am

Math
1. If 100 is saved on October 1, 150 on October 2, 200 on October 3, and so on, how much is saved during October? 2. A Ping-Pong ball is dropped from a height of 16 ft and always rebounds 1/4 of the distance of the previous fall. a. What distance does it rebound the 6th time? ...
Sunday, November 30, 2014 at 11:18pm

Math
In a math contest of 10 problems, 5 points was given for each correct answer and 2 points was deducted for each incorrect answer. If Nancy did all 10 problems ad scored 29 points, how many correct answers did she have?
Sunday, November 30, 2014 at 11:16pm

Sixth Grade Math
A car driving cross-country traveled 180 miles in 4 hours. At this rate of speed, how many miles further will the car travel in the next 3 hours? My answer is 135 miles. Is my answer correct?
Sunday, November 30, 2014 at 10:39pm

Math PLEASE HELP ME
A man has $210,000 invested in three properties. One earns 12%, one 10% and one 8%. His annual income from the properties is $20,100 and the amount invested at 8% is twice that invested at 12%. How much is invested in each property? at 12% 10% and 8% What is the annual income ...
Sunday, November 30, 2014 at 10:39pm

Math
Carl needs estimate the quotient 547 divideted by 92 explain how Carl could use compatible numbers to make a reasonable estimate
Sunday, November 30, 2014 at 10:18pm

Math
A town has 4900 registered voters, each of whom is either a Republican, a Democrat or an Independent. In the last primary election, 1150 people voted, and the number of Republicans who voted was 720 fewer than 30% of the total number of Democrats plus Independents combined. ...
Sunday, November 30, 2014 at 9:01pm

MATH
The following data represent the asking price of a simple random sample of homes for sale. Construct a 99% confidence interval with and without the outlier included. Comment on the effect the outlier has on the confidence interval. Here is the information: $162,000 $279,900 $...
Sunday, November 30, 2014 at 8:53pm

Math
A triangular region is bound by the three lines 2x+y-12=0, y=3x-3, and y=1/7x-81/7. What is the circumcentre of this triangle? I can find the answer using a graph, but I don't know the formula to find the mid segments of the lines.
Sunday, November 30, 2014 at 8:42pm

Math please help!
A glass of skim milk supplies 0.1 mg of iron, 8.5 g of protein, and 1 g of carbohydrates. A quarter pound of lean red meat provides 3.4 mg of iron, 22 g of protein, and 20 g of carbohydrates. Two slices of whole-grain bread supply 2.2 mg of iron, 10 g of protein, and 12 g of ...
Sunday, November 30, 2014 at 8:28pm

Math
1. A town has a population of 100,000 now and the population is increasing 10% every year. What will be the population in 5 years? 2. How many poles will be in a pile of telephone poles if there are 30 in the bottom layer, 29 in the second, and so on, until there is one in the...
Sunday, November 30, 2014 at 8:07pm

MATH
The following data represent the asking price of a simple random sample of homes for sale. Construct a 99% confidence interval with and without the outlier included. Comment on the effect the outlier has on the confidence interval. Here is the information: $231,500 $279,900 $...
Sunday, November 30, 2014 at 8:02pm

Math
1. If 100 is saved on October 1, 150 on October 2, 200 on October 3, and so on, how much is saved during October? 2. A Ping-Pong ball is dropped from a height of 16 ft and always rebounds 1/4 of the distance of the previous fall. a. What distance does it rebound the 6th time? ...
Sunday, November 30, 2014 at 8:01pm

STATS MATH 1
A nutritionist wants to determine how much time nationally people spend eating and drinking. Suppose for a random sample of 1065 people age 15 or older, the mean amount of time spent eating or drinking per day is 1.62 hours with a standard deviation of 0.51 hour. (1)Determine ...
Sunday, November 30, 2014 at 7:56pm

math
Tina says that 6:8 is equivalent to 36:64. What did Tina do wrong?
Sunday, November 30, 2014 at 7:50pm

math
the ratio of girls to boys in the chorus is 3:2. If there are 50 students in chorus, how many boys are there and how many girls?
Sunday, November 30, 2014 at 7:48pm

math
Sinea and Ren are going to the carnival next $8, souvenirs - $20 Sinea wants to spend money using the same ratios as on her last trip to the carnival. If she spends $26 on games, how much will she spend on souvenirs? Ren wants to spend money using the same ratios as on his ...
Sunday, November 30, 2014 at 7:39pm

Math Stats
The following data represent the age (in weeks) at which babies first crawl based on a survey of 12 mothers. 52, 30, 44, 35, 47, 37, 56, 26, 35, 35, 52, 52 ________________________________________​__________________________________ Construct a 95% confidence interval for...
Sunday, November 30, 2014 at 7:26pm

Math Stats
The following data represent the asking price of a simple random sample of homes for sale. Construct a 99% confidence interval with and without the outlier included. Comment on the effect the outlier has on the confidence interval. Here is the information: $231,500 $279,900 $...
Sunday, November 30, 2014 at 7:15pm

math
the ratio of boys to girls on the bus is 20/15. what are three ratio equivalents.
Sunday, November 30, 2014 at 6:51pm

Comm/215
1. The following word group is a FRAGMENT: That movie, one of my favorites. _X_True __False 2. The following word group is a FRAGMENT: The local baseball team, needing a good pitcher most of all. _X_True __False 3. The following word group is a FRAGMENT: Using a flashlight, he...
Sunday, November 30, 2014 at 4:42pm

math
The ratio of cups of water to cups of milk in a recipe is 1 to 3. Write three ratios equivalent to the ratio?
Sunday, November 30, 2014 at 4:17pm

Math
Which of the expressions is not equivalent to 1/25? A. 5^3×5^-5 B. 5^-1×5^-1 C. 5^-3×5 D. 5^-2×5^4
Sunday, November 30, 2014 at 3:34pm

math
Sean has 8-inch pieces of toy train track and Ruth has 18-inches of train track. How many of each piece would each child need to build tracks that are equal in length?
Sunday, November 30, 2014 at 3:11pm

math
Evaluate the expression. 11! 6! 4! 2! 3! 1!
Sunday, November 30, 2014 at 11:17am

math
Tarot cards are used for telling fortunes, and in a reading, the arrangement of the cards is as important as the cards themselves. How many different readings are possible if five cards are selected from a set of nine Tarot cards?
Sunday, November 30, 2014 at 11:15am

SIXTH GRADE MATH
The ratio of boys to girls at a day care cent is 5 to 4. Which of the following cannot be the total number of children at the center? A. 27 children B. 54 children C. 60 children D. 72 children Is the answer 60. The reason I chose 60 children is because the total number of ...
Sunday, November 30, 2014 at 10:50am

SIXTH GRADE MATH
The staff of the Westpoint Public Library signed up 6 volunteers in the last 21 days. If the library staff continues to sign up volunteers at this rate, how many new volunteers will they get in the next 7-day week? 2 volunteers is my answer. Is my answer correct?. If not I ...
Sunday, November 30, 2014 at 10:21am

Math
Robyn and Shruti both run on the cross country team. Robyn runs 2 miles every day. Shruti starts her week with a 3-mile run and runs 1 mile every day, even on the day she runs the 3 miles. If M is the number of miles run during the week, and d id the number of days the girl ...
Sunday, November 30, 2014 at 10:17am

SIXTH GRADE MATH
The ratio of wins to losses for a basketball team is 2:3. Which of the following is a possible total number of games? A. 7 games B. 14 games C. 25 games D. 26 games Can someone show me how to solve this problem please?
Sunday, November 30, 2014 at 10:07am

math
Find the height of a ball after 3 seconds, if the ball is hit with an initial velocity of 90 feet per second at an angle of 60 degrees from an initial height of 5 feet.
Sunday, November 30, 2014 at 9:00am

math
Kendra has a painting canvas that is 27 inches wide by 33 inches high. She painted a red rose, which covered 40% of the canvas. What was the area of the canvas which was covered by the red rose?
Sunday, November 30, 2014 at 8:54am

math
A prism has a base which is a right triangle with legs, 16mm and 12 mm
Sunday, November 30, 2014 at 6:12am

Math
ABC *AA Ans: AC6C Find ABC values?
Sunday, November 30, 2014 at 4:52am

Math
if f(x) = 2x^2+4 and g(x)=x-3 which number satisfies f(x)= (f o g)(x) A) 3/2 B) 3/4 C) 5 D) 4 I am positive that answer A is correct, i just cant get the work to prove it, i can disprove all other answers and my teacher has assured me i am on the right track, he wants work ...
Sunday, November 30, 2014 at 2:15am

Math
A game is played by throwing darts at a target. A player can choose to throw two or three darts. Darcy plays two games. In Game 1, he chooses to throw two darts, and wins if he hits the target at least once. In Game 2, he chooses to throw three darts, and wins if he hits the ...
Sunday, November 30, 2014 at 1:01am

Math
b_n=(-2)^(n-1)
Sunday, November 30, 2014 at 12:11am

Math (Expectation)
Robyn and Shruti both run on the cross country team. Robyn runs 2 miles every day. Shruti starts her week with a 3-mile run and runs 1 mile every day, even on the day she runs the 3 miles. If M is the number of miles run during the week, and d id the number of days the girl ...
Saturday, November 29, 2014 at 11:12pm

Math
While playing in a soccer match, Kevin ran from his end of the field to the opposing end and back 33 times. The field is 330 feet long. How many miles did Kevin run during his match? Need someone to explain in details.
Saturday, November 29, 2014 at 11:05pm

Math
The ratio od boys to girls in the checkers club at Anastasia's school is equal to 2:3. The number od club memers is more than 20 and fewer than 30. How many club members are there? My answer is 10 members. Is my answer correct? If not can you show me what I did wrong?
Saturday, November 29, 2014 at 10:52pm

Algebra
Math The Monahans have 21 meters of fencing with which to enclose a garden. If they plan to make the garden twice as long as it is wide, what is its maximum width?
Saturday, November 29, 2014 at 10:25pm

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