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October 24, 2014

Homework Help: Math

Branches of Math

Recent Math Questions

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Math
Explain how to find the greatest common factor of three numbers. Grade 6 GO MATH BOOK
Monday, September 29, 2014 at 7:46pm

7th grade math
Classify properties of operations. 1. (-4-3n) * -8 Ans: distributive 2. (6+4)+8=6+(4+8) Ans: associative 3. (1-7n) * 5 Ans: distributive
Monday, September 29, 2014 at 7:40pm

math
write a ratio in 3 ways, comparing the first quantity to the second. A week has 5 school days and 2 weekends. Second question about 1 in 4 people swims at least 6 times each year.
Monday, September 29, 2014 at 7:37pm

math
how can you simplify a ratio
Monday, September 29, 2014 at 7:30pm

Math
Pat and Kelly went hiking in the mountains. They started at 9,100 ft. They climbed 1,200 ft the first day, descended 900 ft the second day, and climbed 1,000 ft the third day. On the fourth day they descended 800 ft. What was the average altitude at which they hiked?
Monday, September 29, 2014 at 7:08pm

Math
the temperature dropped 18 degrees F between 6 am and 6 pm. during the night the temperature fell another 8 degree F. at 6 am the temperature started rising. It rose 1degree F the first hour, 2 degree F the second hour, and 4 degree the third hour. The temperature rose another...
Monday, September 29, 2014 at 6:54pm

Math
One table at a bake sale has 75 oatmeal cookies.Another table has 60 lemon cupcakes. Which table allows for more rectangular arrangements when all the cookies and cupcakes are displayed? Explain.
Monday, September 29, 2014 at 6:53pm

MATH HELP
arthur wants to model 758 using the fewest blocks possible. how many tens should he use? A. 8 B.5 C.7 D.4
Monday, September 29, 2014 at 6:38pm

Math
The coach of a baseball team separates the players into groups for drills. Each group has the same number of players. Is the total number of players on baseball team prime or composite? Explain.
Monday, September 29, 2014 at 6:29pm

math
which is the number that has a tens digit that is 8 more than the units digit. but zero is not one of the digits
Monday, September 29, 2014 at 6:17pm

math
for what values of k in y=3x+k with the curve y=-x^2-3x+6 intersect the line at 2 points
Monday, September 29, 2014 at 5:59pm

math squares
how many squares with sides that are 6 inches long are needed to cover a square with a side length of 30 inches without overlapping
Monday, September 29, 2014 at 5:55pm

Math
What is the volume of a rectangular prism if the base area is 56 inches, height 6 inches?
Monday, September 29, 2014 at 5:40pm

Math (Trig)
Rewrite the following expression in terms of tan3x: (sin2x + sin4x)/(cos2x + cos4x)
Monday, September 29, 2014 at 5:32pm

math
Imelda, susan and clara are driving go carts around a track. Imelda takes 14 min, susan takes 9 min and clara takes 10 min to drive one lap. suppose all three of them start together at a point and drive at their same speeds. after how many minutes would all three meet again?
Monday, September 29, 2014 at 5:28pm

Math
Jeremy bought a plank of wood 2 2/3 yards long. He divided the plank into 3 equal pieces. How long is each of Jeremy's planks?
Monday, September 29, 2014 at 5:22pm

Math
Pat purchases 2.5 pounds of jelly beans at $.89 per pound. How much did Pat pay for his jelly beans in all?
Monday, September 29, 2014 at 5:03pm

Math
Wanda meets her friend every 8 days. She meets her friend Audrey every 6 days. One day she meets both Jackie and Audrey. In how many days will she next meet Jackie and Audrey?
Monday, September 29, 2014 at 4:59pm

Math
the temperature dropped 18 degrees F between 6 am and 6 pm. during the night the temperature fell another 8 degree F. at 6 am the temperature started rising. It rose 1degree F the first hour, 2 degree F the second hour, and 4 degree the third hour. The temperature rose another...
Monday, September 29, 2014 at 4:59pm

Math
Jada has 1/4 of a pizza left. She is going to split the leftovers equally with 6 of her friends. What fraction of the whole pizza will each piece be?
Monday, September 29, 2014 at 4:53pm

math problem solving
arthur wants to model 758 using the fewest blocks possible. how many tens should he use? A. 8 B.5 C.7 D.4
Monday, September 29, 2014 at 4:42pm

Math
It took 6.5 gallons of gas to fill the tank of the family car. If the tank is .25 full when they arrived at the gas station, how much gas does the tank hold.
Monday, September 29, 2014 at 4:27pm

Math
Write a two column proof. Given: 7y = 8x - 14; y = 6 Prove: x = 7
Monday, September 29, 2014 at 3:48pm

math
find two numbers the exact answer is between 3*567
Monday, September 29, 2014 at 3:46pm

Math
solve: cot(2theta/3)= -sqrt3 Please help, I don't know how to start and how to set it up.
Monday, September 29, 2014 at 3:30pm

Math help algebra
You have a gift card for your favorite clothing store for the amount of $60. You have found a shirt you want to buy that costs $15. If you don't want to spend more than the amount of the gift card, which of the following inequalities could be used to determine the amount ...
Monday, September 29, 2014 at 2:07pm

math
I am a multiple of 7 and 3, my units digit is half my tens digit, what number am I?
Monday, September 29, 2014 at 12:51pm

DISCRETE MATH
How many different strings can be made from the letters in STATISTICS, using all the letters
Monday, September 29, 2014 at 12:44pm

math
A Bank teller has $16.50 in quarters and dimes. There are 25 fewer quarters than dimes. How many quarters does he have?
Monday, September 29, 2014 at 10:13am

math mks
the tempreture was -8 f at 6 a.m. and rose 15 f at 9 a.m. the answer is 7 what is the question?
Monday, September 29, 2014 at 9:32am

Math Help
Hi! I really need help with this. I'm so confused. Thanks! :) If h(x)=4/(5x+2)^2, find the two functions f and g so that f(g(x))=h(x).
Monday, September 29, 2014 at 8:05am

math
How do you write 72.053 in word form
Monday, September 29, 2014 at 6:17am

math
A car dealer will sell you a used car for $6,298 with $798 down and payments of $165.51 per month for 48 months. i found the total amount paid which is 8742.48 and interest paid is 2444.48 how do i find the interest rate?
Monday, September 29, 2014 at 4:00am

math
A tennis ball is dropped from a height of 7 ft. If the ball rebounds 2/3 of its height on each bounce, how far will the ball travel before coming to rest? (Find the total distance that the ball will travel before it stops bouncing.) i need help i don't know which formula ...
Monday, September 29, 2014 at 3:57am

intermediate math
angie and payton jog of opposite each other and angie can jog 4.5 mile faster than payton. after 1.5 hours they are 17 miles apart. how much can each person jog
Monday, September 29, 2014 at 12:03am

Math
What type of function is f(x)=1.3^x? Also, what type of function is f(x)=(x-5)/(x^2-2x+3)?
Sunday, September 28, 2014 at 11:35pm

math
out of 32 students in a class, 5 said they rode their bikes to school. Based on these results, how many of the 800 students ride their bikes to school?
Sunday, September 28, 2014 at 11:15pm

MATH
Write the equation of a horizontal line that passes through (3, 8). Describe the slope.
Sunday, September 28, 2014 at 11:03pm

math
Write 4 names for 8? This is 2nd grade homework.
Sunday, September 28, 2014 at 10:41pm

math
how do I solve 28 - 9x = -12 - 11x I tried adding 9x to both sides adding 11x to both sides and doing a million different methods and after i got an answer I went to check it and it was wrong I really don't understand how to do these types of equations
Sunday, September 28, 2014 at 10:17pm

Business math
Calculate the cash discount and the net amount due for the following transaction. Amount of Invoice Terms of Sale Cash Discount Net Amount Due $12,660.00 2/10, n/45 $ $
Sunday, September 28, 2014 at 10:05pm

math.help pls
find the limit if f((8+h)-f(8))/h .if f(x)= (472-2 x^2)^1/3.
Sunday, September 28, 2014 at 9:51pm

Math
F(x)=2sin(3x/2-3pi/4)+2
Sunday, September 28, 2014 at 9:45pm

Math
Julia saw 5 times as many cars as trucks in parking. If she saw 30 total how many were trucks?
Sunday, September 28, 2014 at 8:10pm

math
At the movie theatre, child admission is $5.30 and adult admission is $8.70 . On Friday, 155 tickets were sold for a total sales of $1137.70 . How many child tickets were sold that day?
Sunday, September 28, 2014 at 7:15pm

Math quick question!
A rectangular garden has an area if 12a^2-5a-2m^2 A.) Write the area as the product of two binomials with integer coefficients B.) the garden is to be completely enclosed by a path 1 m wide. find and simplify an expression for the area of the path C.) the path is concrete, ...
Sunday, September 28, 2014 at 6:02pm

math
Consider two toy cars. Car A starts from rest and speeds up with constant acceleration for a time delta t until it reached a speed of v and then continues to travel at this speed. At the moment car A reaches its maximum speed, car B, starting at rest from the same point that ...
Sunday, September 28, 2014 at 5:21pm

Math
A park ride will make 120 revolutions in 160 seconds, at this rate how many revolutions will it make in 40 seconds
Sunday, September 28, 2014 at 5:21pm

Math
A rectangular garden has an area if 12a^2-5a-2m^2 A.) Write the area as the product of two binomials with integer coefficients B.) the garden is to be completely enclosed by a path 1 m wide. find and simplify an expression for the area of the path C.) the path is concrete, ...
Sunday, September 28, 2014 at 5:05pm

Math
The planet Neptune has a radius of 15000 miles and rotates one revolution every 18 hours. What is the linear speed of a point on its equator, in miles per hours?
Sunday, September 28, 2014 at 5:05pm

math/help please
Question: a fertilizer covers 5/8 square foot in 1/4 hour. This is the last unit rates question. Please explain how you got the answer so I can understand this lesson.
Sunday, September 28, 2014 at 4:52pm

math/help please
Question: a garden snail moves 1/6 foot in 1/3 hour. This is unit rates. Please help, I don't get this lesson!
Sunday, September 28, 2014 at 4:50pm

Math
A door frame that appears rectangular has height 80 in., width 32 in., and one diagonal that measures 86in. Is the door frame actually rectangular?
Sunday, September 28, 2014 at 4:49pm

math/help please
Question: Kenny reads 5/8 page in 2/3 minutes. This is unit rates. Please help!
Sunday, September 28, 2014 at 4:47pm

math--check my answers?
Give an example of an open equation a + b = c + d How can you use an equation to make a prediction from a pattern? (i dont know) pizza costs $1.50 per slice. Use a table and an equation to represent the relationship between the number of slices of pizza bought and the total ...
Sunday, September 28, 2014 at 4:38pm

math analysis
i dont know what to start. Given a number espilon >0, prove there exists a natural number x such that 1/x <espilion
Sunday, September 28, 2014 at 4:21pm

Math URGENT!!
A rectangular garden has an area if 12a^2-5a-2m^2 A.) Write the area as the product of two binomials with integer coefficients B.) the garden is to be completely enclosed by a path 1 m wide. find and simplify an expression for the area of the path C.) the path is concrete, ...
Sunday, September 28, 2014 at 4:06pm

math
jocelyn got 19 correct answers out of 25 questions on her last test. What percent of the questions did she answer correctly?
Sunday, September 28, 2014 at 3:49pm

math
if all the numbers from 1 to 2013 are written down how many of these will have two or more zeroes next to each other
Sunday, September 28, 2014 at 3:44pm

Math (money)
Brianna spent 1/6 of her money on a movie and $9 on dinner. If she had $16 left, how much money did she spend altogether?
Sunday, September 28, 2014 at 2:25pm

math/ unit rates
A fertilizer covers 5/8 square foot in 1/4 hour.
Sunday, September 28, 2014 at 11:48am

math/ unit rates
A garden snail moves 1/6 foot in 1/3 hour
Sunday, September 28, 2014 at 11:47am

math/ unit rates
Kenny reads 5/8 page in 2/3 minute
Sunday, September 28, 2014 at 11:37am

math
IF IN AN ISOSCELES TRAPEZIUM,DIAGONAL AC=(8X-7)CM AND DIAGONAL BD=(5X+2)CM,THEN FIND THE LENGTH OF AC ?
Sunday, September 28, 2014 at 11:26am

Math Homework
Hi! I really need help with these. I tried them on my own but I got really confused. Thanks! 1.) If f(x)=1/x and g(x)=1/x^2, find the domain of g/f 2.) If h(x)=4/(5x+2)^2, find the two functions f and g so that f(g(x))=h(x).
Sunday, September 28, 2014 at 8:36am

math
Lane French had a bad credit rating and went to a local cash center. He took out a $100.00 loan payable in two weeks at $106.00. What is the percent of interest paid on this loan?
Sunday, September 28, 2014 at 4:39am

math
The ratio of the perimeters of two squares is 1:5. If the area of the bigger square is 250m^2, find the perimeter of the two squares
Sunday, September 28, 2014 at 4:31am

math
kx^2 + (k+2)x -3 =0 has roots which are real and positive. Find the possible values that k may have. I understand that I have to use the discriminant to solve this, but I can't seem to get the answer right, so I really need help!!
Sunday, September 28, 2014 at 12:13am

math
The sides a,b,c of a triangle are such that a^2+b^2+c^2=ab+bc+ca.What type of triangle is it?
Saturday, September 27, 2014 at 11:18pm

math
arnold has 24m of fencing to surround a garden, bounded on one side by the wall of his house. what are the dimensions of the largest rectangular garden that he can enclose? how do i solve this question please help step by step solutions please
Saturday, September 27, 2014 at 10:49pm

math
Which is greater, the increase in miles driven between 1998 and 1999 or between 1999 and 2000? What is that increase? Data given: 1998-75,288 miles 1999-117,391 miles 2000-126,304 miles
Saturday, September 27, 2014 at 9:30pm

quanta tive skills and reasoning
In a class of 250 students it was found that 140 took math 85 took psychology and 65 took both math and psychology how many students in the class took math or psychology?
Saturday, September 27, 2014 at 9:17pm

math
If the area of a rectangle is 2,460 square inches, what are its dimensions?
Saturday, September 27, 2014 at 9:05pm

Math
Cal had 6 comic books. After he gave 1 comic book to each of his cousins, he had none left. How many cousins does Cal have?
Saturday, September 27, 2014 at 9:01pm

math
Freya doesn't like peppers, so she grew 0 peppers in her garden. She divided the peppers equally among her 4 cousins. How many peppers did each cousin get?
Saturday, September 27, 2014 at 8:59pm

Math plz help.
Write the letter of the property shown in each example. a. Commutative Property of Multiplication b. Identity Property of Multiplication c. Associative Property of Addition d. Identity Property of Addition e. Associative Property of Multiplication f. Commutative Property of ...
Saturday, September 27, 2014 at 8:50pm

Math
3x9=9x=( )= ( )
Saturday, September 27, 2014 at 8:42pm

math
what does this question mean : Sketch a graph to show four graphs in each family. a) y=(x-3)(x+6) b) y= (x+1)(x+1)
Saturday, September 27, 2014 at 7:13pm

math
What is 1/10 of 200?
Saturday, September 27, 2014 at 6:38pm

Math problems.
Use the order of operations to simplify the expressions in the next two questions. 15 – 6 • 9 ÷ 2 + 10 16. 4 • (6 + 3) + 5
Saturday, September 27, 2014 at 6:01pm

Math. I have a question.
Tom wants to build a pen in his yard for his dog. He buys 800 ft of fencing. He concludes that he can only build a rectangle with sides of 300 ft and 100 ft.
Saturday, September 27, 2014 at 6:00pm

math
I'm working on a school math project, and i need to make my own 2 plans, i know that you can split all 17.5 ct diamonds so that each pirate would get 4.375 ct diamonds but i want to know how i would split them up, like into to 1/2 s or 1/4 and i need another plan please ...
Saturday, September 27, 2014 at 5:53pm

Math
4. What is the value of the expression below? |-4 -3| - |6 -2| -11 -3 3 11 *** 5. Which word phrase could represent the variable expression 3d + 5? Let d = Beth's age. five more than Beth’s age times three three times Beth’s age minus five five times Beth’s ...
Saturday, September 27, 2014 at 5:17pm

Math 2--questions
7. Find the sum. –14 + 7 + (–3) –24 –18 –10 *** –4 8. A scuba diver descends 350 feet and then another 120 feet. Express the diver’s final depth as an integer. –420 ft 420 ft ** –470 ft 470 ft
Saturday, September 27, 2014 at 5:07pm

Math
1.) Find (f - g)(x) if f(x) = 2x - 5 and g(x) = 4. 2.) Given f(x) = 4 and g(x) = 2x - 1, find (f - g)(x). Thanks so much! :)
Saturday, September 27, 2014 at 4:58pm

math
midpoint (4,13) endpoint (0,6). find the other endpoint
Saturday, September 27, 2014 at 4:56pm

Check my answers? Math help.
2. Write an integer to represent owing your friend $10. –10 *** –2 2 10 3. Write the sum as a product, then simplify the product. (–8) + (–8) + (–8) + (–8) ( 2(–8) + 2(–8) = –30 4(–8) = –32 **** 4(–8) = 32 5(–8...
Saturday, September 27, 2014 at 4:35pm

math
are the length of a side of a square and the area of the square related proportionally?
Saturday, September 27, 2014 at 3:10pm

math
between which two square roots of integers can you find pi?
Saturday, September 27, 2014 at 3:05pm

Personal Finance (Math)
Becka borrowed $100 from her cousin at the rate of 6% per year. If the inflation rate was 2% that year, what is her cousin's actual rate of return on the loan? How do you work this out?
Saturday, September 27, 2014 at 2:14pm

Math
explain why the expression (x^2+6) / (x^2+3) which seemingly can be simplified, actually cannot be simplified.
Saturday, September 27, 2014 at 2:09pm

Math
Explain why the expression (x^2+ 6) ------- (x^3+3) , which seemingly can be simplified, actually cannot be simplified.
Saturday, September 27, 2014 at 2:00pm

Math
What is half of 850
Saturday, September 27, 2014 at 1:01pm

math
what is the prime factorization of 140
Saturday, September 27, 2014 at 12:19pm

Math
A bag contains three black balls, four white balls and five red balls. Three balls are removed without replacement. What is the probability of obtaining a one of each colour b at least two red balls ?
Saturday, September 27, 2014 at 8:38am

Math
Using the following cash flows for projects A and B, use payback period, discounted payback period, NPV, IRR, and MIRR to see if these are good projects or not. > Project A: (283,000); 46,000; 89,000; 104,000; 123,000; 187,000; and 72,000 > Project B: (318,000); 72,000; ...
Saturday, September 27, 2014 at 7:03am

math
Identify the solution(s) of the system of equations, if any. x + 5y = 6 6x - 15y = 18
Saturday, September 27, 2014 at 2:22am

math
A rocket ascends at an angle of 60.0˚ with the horizontal. After 1.00 min it is directly over a point that is a horizontal distance of 16.0 km from the launch point. Find the speed of the rocket.
Saturday, September 27, 2014 at 1:02am

Algebra 2
y-1 ____ x+3 = -3/4 (equivalent ratio) can you explain the steps which you use to get this answer and why you use them . I am sorry I am a disable student and it hard some time to grasp this math fo rme.
Saturday, September 27, 2014 at 12:29am

math
Find the sum of the first 60 terms of the arithmetic sequence whose first term is −15 and whose common difference is 7.
Saturday, September 27, 2014 at 12:24am

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