Branches of Math
Recent Math Questions
This exercise is about conditional probability. A jar contains five red balls numbered 1 to 5, and six green balls numbered 1 to 6. A ball is drawn at random from the jar. Find the following conditional probabilities. (Enter your probabilities as fractions.) (a) The ball is ...
Tuesday, December 2, 2014 at 11:06pm
Alyce and Julie were sitting by the pool eating lunch Alyce took out six sandwiches cut into quarters but dropped one whole sandwich and three quarters into the pool if alyce and Julie split the remaining sandwiches equally how many sandwiches would each one get
Tuesday, December 2, 2014 at 10:55pm
can someone please check my answers. 7. A married couple is expecting another child. They already have 3 boys. What are the chances of them having another boy? 1/4 8. After having had the four boys the couple is expecting another child. What is the chance of them having ...
Tuesday, December 2, 2014 at 10:45pm
Math - Probability
19. On the 24th of December for the past 10 years it has snowed eight times. What is the chance for snow this next December 24? 20. Congressman X is up for his 6th term. Thus far in five elections he has won by 58,56,62,70, and 54 percent. On this basis of past record, with no...
Tuesday, December 2, 2014 at 10:37pm
help: Two travelers start simultaneously in two cities A and B, and go to meet each other. The part of A walk 1 km on the first day , the second day 2 km , 3 km on the third day , and so on. The part of B walk 20 miles the first day, the second day 18 km , 16 km on the third ...
Tuesday, December 2, 2014 at 9:57pm
Give the probability in decimal form (correct to two decimal places). A calculator may be helpful. Last semester, a certain professor gave 15 As out of 396 grades. If one of the professor's students from last semester were selected randomly, what is the probability that ...
Tuesday, December 2, 2014 at 9:48pm
The Fan cost Index(Fci)represents the cost of four average-price tickets, refreshments, and souvenirs to a sporting event. The FCIs for an Independent tennis league and an Independent basketball league totaled $123.62. The basketball FCI was $$6.98 more than that of tennis. ...
Tuesday, December 2, 2014 at 9:47pm
An oil-drilling company knows that it costs $25,000 to sink a test well. If oil is hit, the income for the drilling company will be $405,000. If only natural gas is hit, the income will be $125,000. If nothing is hit, there will be no income. If the probability of hitting oil ...
Tuesday, December 2, 2014 at 9:47pm
A manager at a concert venue is looking at the profits earned from the sale of tickets to an event. The manager wants to determine the amount of profits made based on a predicted number of tickets sold for the event. Assuming the profit per ticket is constant, as the number of...
Tuesday, December 2, 2014 at 8:45pm
If a building contractor hires 5 day laborers and 2 concrete finishers, his payroll for the day is $1200. If he hires i day laborer and 4 concrete finishers, his daily cost is $924. Find the daily wage for each type of worker.
Tuesday, December 2, 2014 at 8:22pm
The auto repair shop is 1 3/10 miles from the bank. The bank is 3 3/5 miles from gina home. After she left her car at the shop gina walk to the bank. Then she walked home. How far did gina walk in all. Is the answer 5 miles
Tuesday, December 2, 2014 at 8:14pm
Find the possible values of b,h and l for a triangular prism with volume 21 cubic meters. How many ways can you do this? Sketch a diagram of one possible prism.
Tuesday, December 2, 2014 at 8:04pm
The management of the Titan Tire Company has determined that the quantity demanded x of their Super Titan tires/week is related to the unit price p by the relation p = 172 − x^2 where p is measured in dollars and x is measured in units of a thousand. Titan will make x ...
Tuesday, December 2, 2014 at 7:32pm
Jen spent 1 1/2 hours working on ms thomkin car on Monday. She spent 2 3/4 more hours on Tuesday to finish the tune up. How many more hours in all did she work on ms thommin car is the answer 4 1/2 hours
Tuesday, December 2, 2014 at 7:27pm
Ken uses 6 apples and 2 bananas to make a fruit salad. He puts twice as many oranges as bananas in the salad. How many pieces of fruit will Ken use to make 2 fruit salads?
Tuesday, December 2, 2014 at 6:50pm
Shane takes a big cube of butter with side length x from the fridge. He then cuts out a little cube of side length y from one of the corners of the cube. Write an expression that describes the remaining volume of butter.
Tuesday, December 2, 2014 at 6:48pm
Meagan is sitting in a rocking chair, the distance d(t-) between the wall and the rear of the chair varies sinusoidally with time t. At t = 1s , the chair is closest to the wall and d(1) = 18 cm. At t = 1.75s the chair is farthest from the wall and d(1.75 ) = 34m how far is ...
Tuesday, December 2, 2014 at 6:36pm
an object is thrown upward from a height of 70 feet. t second after it is released, the object is h=-16t^2+40t+70 feet above the ground. how many seconds does it take until the object hits the ground?
Tuesday, December 2, 2014 at 5:11pm
Chef has 25 pounds of strip loin. Trim loss on strip loin is 35% and the cooking loss is 80% of the trimmed weight. How many pounds of trimmed, cooked strip loin will the chef have left to serve to his customers?
Tuesday, December 2, 2014 at 4:46pm
Smith of Victorville sold office equipment for $12,500 to Frank of Barstow. Terms of the sale are 2/10, n/30 FOB Victorville. Assume Frank pays within the discount period. How much will Frank pay?
Tuesday, December 2, 2014 at 2:33pm
A manufacturer of ice skates offered a chain discount of 7/5/1. Bobbys Sport Shop ordered 30 pairs of skates that had a list price of $925. What was the amount Bobby had to pay for the goods?
Tuesday, December 2, 2014 at 2:32pm
Jones Manufacturing sent Blue Company an invoice for equipment with a list price of $10,000. The invoice is dated July 27 with terms of 2/10, EOM. Blue Company is entitled to a 40% trade discount. If the invoice is paid on September 5, how much does Blue pay?
Tuesday, December 2, 2014 at 2:31pm
Mels furniture received an invoice dated September 27 for five bedroom sets at $3,000 each. The invoice indicated a trade discount of 5/8/3. The seller of the furniture prepaid the freight of $200. Terms were 2/10 FOB. Assuming Mel pays on October 2, what amount would be...
Tuesday, December 2, 2014 at 2:30pm
An invoice dated February 9 in the amount of $45,000 is received by Reliance Corporation on February 13. Cash discount terms on the invoice are 2/10, n/30. On February 18, Reliance pays in the amount of $9,000 as a partial payment on the invoice. What is the credit Reliance ...
Tuesday, December 2, 2014 at 2:30pm
On May 1, 2004 the Jones Company received a bank statement that showed a $2,950 balance. Mr. Jones showed a $4,010 checking account balance. The bank did not return check No. 124 for $1080 and check No. 138 for $720. A $3,200 deposit made on April 30 was in transit. The bank ...
Tuesday, December 2, 2014 at 2:24pm
A ball is thrown into the air with an upword velocity of 36 ft/s. Its hight H in feet after t seconds is given by the function h=-16t^2+36t+9. In how many seconds does the ball reach its maximum height? Round to the nearest hundredth if necessary. What is the balls maximum ...
Tuesday, December 2, 2014 at 11:16am
What will be the total deduction for social security and Medicare taxes on Juanita's next weekly paycheck of $720 if she has already earned $10,800 this year? Social Security tax is 6.2% of wages up to $106,800. Medicare tax is 1.45% of all wages.
Tuesday, December 2, 2014 at 10:08am
To make an international telephone call , you need the code for the country you are calling . The codes for country A,B and C are three consecutive integers whose sum is 105. Find the code for each country .
Tuesday, December 2, 2014 at 9:32am
The diagram uses a scale of 1/4in:30ft. Explain hoe to use the scale and scale drawing to find actual soccer field dimensions. Is the correct answer 1in.:120ft
Tuesday, December 2, 2014 at 9:13am
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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