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December 22, 2014

Homework Help: Math

Branches of Math

Recent Math Questions

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Math
How many square units are in the region satisfying the inequalities y>=(x) and y<=-(x)+3? Express your answer as a decimal. * the () are absolute value signs.
Wednesday, December 3, 2014 at 10:07pm

Math Help
Use an equation to solve the problem. 224 is 25% of what number? A. 224*0.25=w;560 B. 224=0.25*w;896 C. 224*0.25=w;56 D. 224=0.25*w;90 Is the answer C?
Wednesday, December 3, 2014 at 10:03pm

Math
Real, Rational, Irrational, Integer, Whole, Natural 35.99 Real Ratio
Wednesday, December 3, 2014 at 9:59pm

Math Help
Use an equation to solve the problem. What is 57% of 11? A. 11=0.57*n; 19.3 B. n=57*11;627 C. n=0.57*11;6.27 D. 11=57*n;0.19 Is the answer C?
Wednesday, December 3, 2014 at 9:54pm

math
A photographer charge 20 dollars for 8x10 plus sitting fee. If 55 dollars was total for 2 photos and sitting fee. Assume the relationship is linear. Find and interpret the rate of change and intial value.
Wednesday, December 3, 2014 at 9:47pm

Math 120
Write 4logb(X)-1/3logb(y)+2logb(z)as a single logarithm Its log base b.
Wednesday, December 3, 2014 at 9:37pm

math - pls check!!!
29) 4k - 1 >= -3 30) 6(c - 1) < -18 31) 3t > 5t + 12 32) -6/7y - 6 >= 42 33) 4 + x/2 > 2x 34) 3x + 5 <= 2x -8 35) 13.5a + 7.4 <= 85.7 36) 42w > 2(w +7) ANSWERS: 29) k >= -2 30) c < -12 31) t < -6 32) y <= -56 33) x < 8/3 34) x <= -13 ...
Wednesday, December 3, 2014 at 9:34pm

Math
Expand and simplify (p+3)(p-7)
Wednesday, December 3, 2014 at 9:19pm

Math
Sr. John and his wife went to a party where four other married couples were present. Every person shook hands whit everyone he or she was no acquainted with. When the handshaking was over , Sir John asked everyone how many hands they shook. Sir. John was surprised when he got ...
Wednesday, December 3, 2014 at 9:13pm

Math
In the middle pond is a patch of moss. The moss doubles in size every day. After exactly 20 days the complete pond will be covered by moss. After how many days will half of the pond be covered by the moss ?
Wednesday, December 3, 2014 at 9:09pm

Math
Here men were invited to lunch one day. The host places them in a line on three chairs. The men are positioned in such as way that Man #3 can see both Man #1 and Man #2 , Man #2 can see only Man # 1 , and Man #1 can see none of the other men. The host then show each man 5 ...
Wednesday, December 3, 2014 at 9:06pm

Math
Once there four boys who wanted to cross a street. They were all on the same side. It was night time and they only had one flashlight between them. Only two boys can cross the street at a time, and anyone who crosses , either one or two people, must always have a flashlight ...
Wednesday, December 3, 2014 at 8:57pm

MAth
Real, Rational, Irrational, Integer, Whole, Natural 4 1/8 Rational Real
Wednesday, December 3, 2014 at 8:53pm

Math
Writing with exponents 2x2x2
Wednesday, December 3, 2014 at 8:48pm

Math
how many fractions between 1/4 and 1/2
Wednesday, December 3, 2014 at 8:30pm

Math
Compute Adela's estimated tax payment for the second quarter. She is self employed and she expects to earn $93,440 this year. Her estimated income tax rate is 25%. For self employed persons, social security tax is 12.4% of wages up to $106,800, and Medicare tax is 2.9% of ...
Wednesday, December 3, 2014 at 8:30pm

math
taryn and alastair both mow lawns. Each charges a flat fee to mow a lawn. The table shows the number of lawns in the past week, the time spent mowing lawns and the money earned. Taryn mowed 9 lawns. She spent 7.5 hrs mowing lawns. Taryn earned $112.50 Alastair mowed 7 lawns. ...
Wednesday, December 3, 2014 at 8:24pm

Math
Whats 9 + 10
Wednesday, December 3, 2014 at 8:22pm

Math
A fishing boat leaves port at 5 miles per hour at a bearing of 350∘ for 2 hours, then turns to a bearing of 40∘ at 12 miles per hour for 2 hours, and finally changes to a bearing of 180∘ at 10 miles per hour for 5 hours. At this point, the boat heads directly...
Wednesday, December 3, 2014 at 8:21pm

math
delias family car weight 2 tons. how many ounces does the car weight?
Wednesday, December 3, 2014 at 8:12pm

Math
Is 3.87655 a rational number
Wednesday, December 3, 2014 at 8:10pm

Math
When a number is a multiple of 6, what are the possible values for the ones digit?
Wednesday, December 3, 2014 at 8:00pm

Business Math
Kristy has bi-weekly gross earnings of $1,750. What were her total social security and Medicare tax with holdings for a whole year?
Wednesday, December 3, 2014 at 7:58pm

Math
Name ALL sets of numbers to which each number belongs Real Rational Irrational Integer Whole Natural 0 Whole Integer Square root of 5 Irrational -80 Integer 12/3 Rational square root of 100 Irrational square root of 4 Irrational 3pi Irrational
Wednesday, December 3, 2014 at 7:48pm

Math
Using the data from the set included, what is the minimum number of 4's that must be added to make 6 an outlier? Data Values:-3,-1,1,3,4,5,6,7,9 Frequency: 34,6,12,4,7+x,1,20,3,12 Cumulative Frequency: 34,40,52,56,63+x, 64+x,84+x,87+x,99+x This is not for homework, it is ...
Wednesday, December 3, 2014 at 7:45pm

Math
Suzan needs a bored that is at least 3.5 meters long and I have a 17 centimeter books is that enough
Wednesday, December 3, 2014 at 7:15pm

math
The ratio of an object's weight on Earth to its weight on Neptune is 5 : 7. How much would a person who weighs 150 pounds on Earth weigh on Neptune?
Wednesday, December 3, 2014 at 6:28pm

Math fraction
2/7=_/21
Wednesday, December 3, 2014 at 6:22pm

Math
Name ALL sets of numbers to which each number belongs Real, Rational, Irrational, Integer, Whole, Natural -5/6
Wednesday, December 3, 2014 at 6:09pm

math
Q. What's 463 divided by 16? A. 8??
Wednesday, December 3, 2014 at 6:00pm

Math
Calcium is essential to tree growth because it promotes the formation of wood and maintains cell walls. In 1990, the concentration of calcium in precipitation in a certain area was 0.11 milligrams per liter (mg/L). A random sample of 10 precipitation dates in 2007 results in ...
Wednesday, December 3, 2014 at 5:58pm

Math please help
According to a study conducted by a statistical organization, the proportion of americans who are satisfied with the way things are going in their lives is 0.82. Suppose that a random sample of 105 Americans is obtained. (Please answer the below and round to four decimals ...
Wednesday, December 3, 2014 at 5:57pm

6th grade Math
Abraham earns $11.50 an hour. How many hours will Abraham have to work to earn $483? Please Show Work!!!!
Wednesday, December 3, 2014 at 4:58pm

Math
How do you put 28/4 in a whole number
Wednesday, December 3, 2014 at 4:54pm

math
I need help with Lesson 4 Unit 3
Wednesday, December 3, 2014 at 4:31pm

math
At Soap ans Suds there are 16 washing machines in a single row with no space between each one.Each washing mashine is 2 feet 5 inches across. What is the total length of the 16 washing machines?
Wednesday, December 3, 2014 at 4:30pm

math
x^2-20=0
Wednesday, December 3, 2014 at 4:19pm

math
The area of a circle with radius r given by the formula A = pi r^2. If a circle has area 81 pi square in inches, what is the radius?
Wednesday, December 3, 2014 at 4:05pm

Math check my answer please!
Which expression is equivalent to 4x4x4x4x4x4x4x4? a. 4 x 8 b. 8^4 c. 8x8 d. 4^8 I think D.
Wednesday, December 3, 2014 at 2:30pm

Math
There are four kinds of road signs in a certain town. The number of each kind is shown. What is the ratio of the number of school signs to the number of stop signs?
Wednesday, December 3, 2014 at 2:25pm

Math
an employee is hired at a salary of $38560.25 which is 5.5% higher than her salary at her previous job. what was her previous salary?
Wednesday, December 3, 2014 at 1:33pm

2 math ?s
Thank you so much in advance! Verify each identity. Work one side (the harder side) Please show me the work sin θ +cos θ cot θ= csc θ Cos^2 θ + 1 =2cos^2 θ +sin^2 θ
Wednesday, December 3, 2014 at 11:06am

3 Math
If you know That 4 x5= 20, how can you use the commutative property to find 5x4= 20 ?
Wednesday, December 3, 2014 at 10:55am

DUMB MATH
How the heck do I do this: I am z. To find me, multiply b by 3,then subtract 7. HELLLLPPPPPPP!
Wednesday, December 3, 2014 at 9:53am

math
Daniel scored 162 points playing his video game.he can move to the next level of the game when he earns 275 points exactly. daniel says he needs about 100 points to get to the next level his friend Valerie says he needs about a 120 points to get to the next level explain why ...
Wednesday, December 3, 2014 at 9:46am

math
bianca has total of 25c.She has some nickels and pennies.How many different combination of nickels and pennies could bianca have?
Wednesday, December 3, 2014 at 6:54am

Business Math
Check My Work (7 remaining) What payment should be made on an invoice in the amount of $3,400 dated August 7 if the terms of sale are 3/15, 2/30, n/45 and the bill is paid on ... a. ... August 19? $ b. ... September 3? $
Wednesday, December 3, 2014 at 5:01am

math
3. 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.
Wednesday, December 3, 2014 at 2:29am

MATH
What is a general strategy to find dimensions for any rectangular box whose volume is doubled? MY THOUGHTS IS 2L by 2w by 2h
Wednesday, December 3, 2014 at 1:16am

Math
A fishing boat leaves port at 5 miles per hour at a bearing of 350∘ for 2 hours, then turns to a bearing of 40∘ at 12 miles per hour for 2 hours, and finally changes to a bearing of 180∘ at 10 miles per hour for 5 hours. At this point, the boat heads directly...
Wednesday, December 3, 2014 at 12:51am

Math
A fishing boat leaves port at 5 miles per hour at a bearing of 350∘ for 2 hours, then turns to a bearing of 40∘ at 12 miles per hour for 2 hours, and finally changes to a bearing of 180∘ at 10 miles per hour for 5 hours. At this point, the boat heads directly...
Wednesday, December 3, 2014 at 12:26am

MATH EMERGENCY
The demand function for a certain brand of CD is given by p = −0.01x^2 − 0.2x + 12 where p is the unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. The supply function is given by p = 0.01x^2 + 0.7x + 1 where p is the ...
Wednesday, December 3, 2014 at 12:04am

MATH EMERGENCY I HAVE 10 MINUTES
A supplier of portable hair dryers will make x hundred units of hair dryers available in the market when the unit price is p = sqrt(49 + 4.4x) dollars. Determine the producers' surplus if the market price is set at $15/unit. (Round your answer to two decimal places.)
Tuesday, December 2, 2014 at 11:59pm

MATH CALC
A supplier of portable hair dryers will make x hundred units of hair dryers available in the market when the unit price is p = sqrt(49 + 4.4x) dollars. Determine the producers' surplus if the market price is set at $15/unit. (Round your answer to two decimal places.)
Tuesday, December 2, 2014 at 11:45pm

Bus. Math
325 x .0145= 325 x .062=
Tuesday, December 2, 2014 at 11:24pm

math
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

math(5th grade)
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

Probability MATH
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

math
JT has 132 tokens. He gives kay 1/8 of his tokens. He gives Charlie 3/4 of his tokens and he keeps the rest. How many tokens does each person get?
Tuesday, December 2, 2014 at 10:35pm

math
(1.1)+1.23+ 16 squared+ 0.5= ???
Tuesday, December 2, 2014 at 10:00pm

math
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

math
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

math
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

math
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

math
A bit is one eighth of a dollar how many cents is 6 bits? My answer is 6 cents? I don't think I am right.
Tuesday, December 2, 2014 at 9:41pm

Math
0.8(4+-a)=5.6a how to check this so the answers both equal out?
Tuesday, December 2, 2014 at 9:24pm

Math
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

math
marty ate 4/6 of his pizza and luis ate 5/6 of his pizza..marty ate more pizza than luis how is that possible
Tuesday, December 2, 2014 at 8:36pm

Math
How many people can eat 2 pizzas
Tuesday, December 2, 2014 at 8:26pm

math
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

Math
Paul lands a home mortgage of $58,200 at a 7.40% interest rate. He plans to pay this after 3 years . What will the total principle be?
Tuesday, December 2, 2014 at 8:18pm

Math
I am 2 digit number The difference between them is less then 1 The sum of them is a multiple of 9 The second digit is a factor of 27 What number am I ?
Tuesday, December 2, 2014 at 8:15pm

mAth
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

Math (Answer ASAP)
To solve this problem, use the Pythagorean Theorem to find the third side. Cos=5/7
Tuesday, December 2, 2014 at 8:13pm

Math
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

math
Marissa worked 7 1/4 hours on Monday. She worked 9 3/4 hours on tuesday, how many hours did she work in all on monday and tuesday, is the answer 15 1/4 hours
Tuesday, December 2, 2014 at 7:52pm

math Calc
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

math
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

math
There are 17 goats in the barn. 8 goats go outside. How many are still in the barn? Use ten frames show work
Tuesday, December 2, 2014 at 7:23pm

math
what is the answer to the famous farming exression, from creative publications pre-algebra with pizzaz
Tuesday, December 2, 2014 at 7:06pm

Math
To solve this problem, use the Pythagorean Theorem to find the third side. Cos=5/7
Tuesday, December 2, 2014 at 6:54pm

math
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

math
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

Math
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

math- help
if steak costs $2.29 per lb. how much does 0.8 lb. cost? my answer: either $1.12 or $0.112 pls help
Tuesday, December 2, 2014 at 6:36pm

math
Glenda ran 1,500 m in4 min 10 sec. How many meters is this per second?
Tuesday, December 2, 2014 at 6:26pm

math
Todd has a board that is 6 ft. 3in. He needs to cut it to 4 ft. 9 in. How much should he cut off?
Tuesday, December 2, 2014 at 6:25pm

math
pete had 12 peanuts. he gave bill 1/3. how many does bill have
Tuesday, December 2, 2014 at 6:00pm

Math
Can (6x - 1)/3 be simplified as 2x - 1/3?
Tuesday, December 2, 2014 at 5:21pm

Math
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

Math
What are the steps in how to divide fractions? Give an example!
Tuesday, December 2, 2014 at 4:59pm

Math
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

Math Pre-Algebra
Find the quotient -16/0?
Tuesday, December 2, 2014 at 4:18pm

Math
A florist has 40 tulips, 32 roses, 60 daisies, and 50 petunias. What is the ratio of petunias to tulips, in simplest form?
Tuesday, December 2, 2014 at 4:02pm

Math
2% of what number is 400?
Tuesday, December 2, 2014 at 4:00pm

math help!
Hi! How may you check 2+3w=12+2w to equal each other and check out equal
Tuesday, December 2, 2014 at 3:14pm

Business Math
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

Business Math
A manufacturer of ice skates offered a chain discount of 7/5/1. Bobby’s 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

Business Math
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

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