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January 27, 2015

Homework Help: Math

Branches of Math

Recent Math Questions

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Math
The minimum is (3 π, 5) and the maximum is (5 π, 8). What is the amplitude and what is the period?
Tuesday, December 16, 2014 at 11:47pm

math
Annie bought the items below and received a 25% discount off the regular price of each item. The sales tax in Annie's state is 6.5%.what is the total that Annie paid for these items,including sales tax? 45.99 dress 15.99 shirt 32.99 shoes
Tuesday, December 16, 2014 at 10:37pm

math
Music square buys a guitar for $230.00 and then marks it up 150%. This store buys guitar cases for $35.00 and then marks the price up by 230%. What does Music Square charge for a guitar and a case?
Tuesday, December 16, 2014 at 10:24pm

math help!!
the first term in a geometric series is 4 and the sum of the first three terms of the series is 64. find the sum of the first eight terms of the series.
Tuesday, December 16, 2014 at 10:06pm

math please hellp
The cost in dollars of producing x units of a particular camera is C(x) = x^2 - 10000. (10 points) Find the average rate of change of C with respect to x when the production level is changed from x = 100 to x = 101. Include units in your answer. Find the instantaneous rate of ...
Tuesday, December 16, 2014 at 10:06pm

math help
the sum of the first two terms in a geometric series is 12. the sum of the first three terms of the same series is 62. determine the first four terms of the series.
Tuesday, December 16, 2014 at 9:54pm

math
there is a women standing on a building. she sees a car. angle of depresion changes from 28 to 43 . distance traveled is 230 . find the hight of the building
Tuesday, December 16, 2014 at 9:54pm

Math
The cost in dollars of producing x units of a particular camera is C(x) = x^2 - 10000. (10 points) Find the average rate of change of C with respect to x when the production level is changed from x = 100 to x = 101. Include units in your answer. Find the instantaneous rate of ...
Tuesday, December 16, 2014 at 9:36pm

Math
Another question. The floor of Raj's classroom has an area of 525 feet. The room is 12 feet high. What is the volume of Raj's classroom? I had got 6300. Is this correct? I had used the formula V = B x H.
Tuesday, December 16, 2014 at 9:33pm

Math
I want to check this. I had used formulas V = B x H and I x w x h to solve these What is the volume of the box that is 14 inches long, 7 inches wide and 10 inches high? I got 980. Am I right?
Tuesday, December 16, 2014 at 9:28pm

math
How many 3/4 cups servings will go into a 9 cup pitcher
Tuesday, December 16, 2014 at 9:05pm

math
Samantha was playing a fraction game where she could earn either positive or negative points on each turn.The lowest score she ever recorded was -26 2/3. The highest score was 8 3/4. Which. What expession represents the distance on a number line between her highest and lowest ...
Tuesday, December 16, 2014 at 9:02pm

math
The table below shows the price of purchasing salmon based on the weight being purchased. Weights(pounds) price 3:23.25 6:46.50 9:69.75 12:93.00 15:116.25 Based on the table, what is the constant of proportionality when using weight to find price?
Tuesday, December 16, 2014 at 8:50pm

math
The table below shows the price of purchasing salmon based on the weight being purchased. Table weights (pounds)/ price. 3;23.25,6;46.50,9;69.75,12;93.00 15;116.25
Tuesday, December 16, 2014 at 8:41pm

math
Tony jogs 4 2/5 miles from the gym to his home daily. If he takes a water break after 2 1/4 miles,how much further does he have to jog home?
Tuesday, December 16, 2014 at 8:34pm

Math
Eric'snotebook has 30 pages. He wants to write a number on each page. How many digits will he write when he numbers all the pages in the notebook? 9 is it correct
Tuesday, December 16, 2014 at 8:26pm

Math
Explain how you would find 2 x 2 1/3 using the distributive property.
Tuesday, December 16, 2014 at 8:25pm

math
In a recent survey, 30% of the people polled stated that they preferred the taste of a low-fat peanut butter and would but it. Based on this survey, how many people in a city of 200,000 people who eat peanut butter would be expected to buy the low-fat peanut butter?
Tuesday, December 16, 2014 at 8:20pm

math
There was a sidewalk sale at Mega Mall. Everything was marked down by30%. Rodrick bought 3 pairs of jeans originally priced at $29.95 each,a shirt originally priced at $18.50 and a pair of sandals originally priced at $32.29. The sales tax in Roderick's state is 7.25%. How...
Tuesday, December 16, 2014 at 8:09pm

Math
How many digits has a notebook with 30 pages
Tuesday, December 16, 2014 at 8:00pm

math
Mark Jacobs, owner of Jacob's Mini-Mart currently operates two stores in Atlanta. His business has been very successful, and he is now opening two new stores. He will no longer be able to manage all stores himself, so he is hiring managers for three of the four stores. He ...
Tuesday, December 16, 2014 at 7:47pm

math
You have been tasked with analyzing an extremely large amount of data and to ultimately produce a report to share with the Board of Directors. The data is currently in a text file and has over two thousand records of data. Explain how you would use Excel to analyze this data ...
Tuesday, December 16, 2014 at 7:10pm

5th grade math
rachel wants to reduce the size of her photo. Which factor listed below would scale down the size of her picture the most? A. 5/8 b. 11/16 c. 3/4 d. 8/5 trying to help my son with his math …have no idea about this.. could someone explain it to me?
Tuesday, December 16, 2014 at 7:09pm

Tips Plz
Can you plz tell me some studying tips for math. How can i study math? is not like the other subject that i can just read through and memorize it. Math is hard to study because i know know how to study math when i have a upcoming test. Plz give me tips on how to study math and...
Tuesday, December 16, 2014 at 6:55pm

math
Solve the linear system graphically (Dont graph it just solve it) x+ 2y = 8 3x+ 4y = 20
Tuesday, December 16, 2014 at 6:52pm

math
Q. The city bus is 45 feet long and 10 feet wide, the maintenance crew wants to paint two yellow strips around the outside of the bus. What will be the total length of the two yellow stripes. A. Do I divide or multiple?
Tuesday, December 16, 2014 at 6:48pm

math
A community group purchased 72 cedar tree and spruce tree seedlings to plant for an Earth Day project. The number of cedar trees was twice the number of spruce trees. How many of each type of tree seedling did the group purchase. (i think it is an equation question)
Tuesday, December 16, 2014 at 6:41pm

Math
what is the term for a relation in which each input value corresponds to exactly one output value?
Tuesday, December 16, 2014 at 6:37pm

Math
I am a number. The number in my tens place is 5 and I am less than the number in the ones place. The number in the ones place is 9
Tuesday, December 16, 2014 at 6:20pm

6th grade Math
Define a variable. Then write each phrase as an algebraic expression. 1.Three more pancakes than his brother ate. explain why is this the answer
Tuesday, December 16, 2014 at 6:14pm

math
A bolt contained 25 yards of flannel. Nikki used 9 2/3 yards to make holiday decorations. How many yards are left?
Tuesday, December 16, 2014 at 6:12pm

College Math
Brent invested $5607 in an account at 2% compounded weekly. Calculate the total investment after 7 years. Please show me the steps. I tried using this formula but it did not work. A=P(1+r/n)^6x1
Tuesday, December 16, 2014 at 5:59pm

Math
What is the value of h(x)=|x/2| when x=-2? A. -2 B.-1 C.1 D.2
Tuesday, December 16, 2014 at 5:45pm

Math
What is the result when 600 is increased b y 20%. A.612 B.620 C.720 D.1200
Tuesday, December 16, 2014 at 5:36pm

math
Mr jacob is 55 years old and Tony is 7 years old. In how many years will Mr. Jacob be 4 times as old as Tony?
Tuesday, December 16, 2014 at 5:35pm

Math
A car travels at 60 mi/hr. The function f(x)=60x gives the distance the car travels in x hours. What is the range of this function? A.y is greater than or equalt o 0 B. {0,1,2,3,...) C.{0,60,120,180,...} D.all real numbers
Tuesday, December 16, 2014 at 5:33pm

Math
Raymonds age plus his sister janice's age is 48 years. Janice's age is half Raymonds age plus six years. How old is Raymond? How old is janice
Tuesday, December 16, 2014 at 5:29pm

math
The cost of 5 similar digital cameras and 3 similar video cameras is $3213. each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he pay?
Tuesday, December 16, 2014 at 5:25pm

math
Three times as many children as adults attended a concert on Saturday. An adult's ticket cost $7 and child's ticket cost $3. the theater collected a total of $6,000. How many people bought tickets?
Tuesday, December 16, 2014 at 5:06pm

math
Tony jogs 4 2/5 miles from the gym to his home daily. If he takes a water break after 2 1/4 miles, how much father died he have to jog home?
Tuesday, December 16, 2014 at 3:45pm

math
Arlene has a piece of cloth that is 7 1/8 yards long. She cuts a piece that is 4 3/4 yards long to make a skirt. How much cloth is left?
Tuesday, December 16, 2014 at 3:42pm

math
There are 120 students involved in the school play. If 72 of the students are girls, what percent are girls
Tuesday, December 16, 2014 at 3:39pm

Math
using gauess approach 1+2+3+4+... +99 1+3+5+7+...+101
Tuesday, December 16, 2014 at 3:12pm

math
Rosa can run 4 miles in 56 minutes. How many miles does Rosa run if she runs for 42 minutes? **solve using Ratios & Rates THANK YOU!
Tuesday, December 16, 2014 at 3:00pm

MATH
SHELDON CAN RUN A MILE IN 6 4/5 MINUTES, HOW MANY MILES CAN HE RUN IN 30 MINUTES.
Tuesday, December 16, 2014 at 2:58pm

Math One question! Help!
find the rate of change for 5 + 3y = -2 Help! Please not webstites or links! thanks!
Tuesday, December 16, 2014 at 2:29pm

Math
given the function f decribed by f(x)=-x-6, find f(-7)=?
Tuesday, December 16, 2014 at 1:56pm

math
8,18,28,38,48 determine the next sequence. Is the answerer 58?
Tuesday, December 16, 2014 at 1:49pm

Math
How to simplify? log(1/2)2 + log(1/2)2^(1/2)
Tuesday, December 16, 2014 at 1:35pm

Math
A ball of string is 23m long. 8.3m is cut off. A further 3.49m is cut of string is left?
Tuesday, December 16, 2014 at 1:24pm

Math
5^6 * 5^3= is this correct 1953125?
Tuesday, December 16, 2014 at 12:52pm

Math
triangle abc has coordinates a(1 4) b( 3, -2); and c( 4, 2) find the coordinates of the image ABC after a reflection over the x- axis
Tuesday, December 16, 2014 at 12:34pm

MATH
a person has 56 brownies to package for bake sale. the brownies will be sold in packs of 3. how many brownies will NOT BE PACKAGED? CHOICES 3, 5, 4, 9
Tuesday, December 16, 2014 at 7:59am

math
find the equation of tangent to the curve (x\a)^n + (y\b)^n = 2 at the point (a, b)
Tuesday, December 16, 2014 at 7:57am

one math question.
What is the reciprocal of -5? is it -1/5 ?
Tuesday, December 16, 2014 at 7:45am

Math
pls.help me understand how to solve pythagorean theorem
Tuesday, December 16, 2014 at 5:54am

math
a rectangular pen with partitions is to be built from 800 feet of fencing. Express the area as a function of x alone. graph over a reasonable domain and find the dimensions of the pen of the maximum area that an be built under these conditions
Tuesday, December 16, 2014 at 3:32am

math
find the area of region R bounded by the curves y=3x , x=2y and 2x+y=5
Tuesday, December 16, 2014 at 3:25am

math
find the length of the curve y^2=x^3 between x=0 and x=5
Tuesday, December 16, 2014 at 3:21am

Math
I am a number between 20 and 30. When you put me into 7 equal groups, there is an odd number in each group and 2 are left over. What number am I
Monday, December 15, 2014 at 10:26pm

math algebra
A rectangular box has a length of 8 ft and a width of 2 ft. The length of the three dimentional diagonal is 10 ft. What is the height of the box? I think answer is 12.96, but not sure. any help is appreciated thanks in advance
Monday, December 15, 2014 at 10:10pm

math
A piece of plywood 24 inches wide is cut into strips 2 1/2 inches wide. How many strips of this width can be cut?
Monday, December 15, 2014 at 10:05pm

Math
Find the sum of the series -4 + 1 -1/4 + 1/16 - 1/64 + 1/256 + ... .
Monday, December 15, 2014 at 9:39pm

MATH
Find the sum 4 Σ(0.5)^n n=0
Monday, December 15, 2014 at 9:38pm

Math
Write the sum (in sigma notation) 1 + 3/2 + 2 + 5/2 + 3 + 7/2 + 4 Sigma notation?
Monday, December 15, 2014 at 9:36pm

Math
Find the general term of the geometric sequence 36 , 6 , 1 , 1/6 , 1/36 ,... .
Monday, December 15, 2014 at 9:35pm

Math
Part (a): Find the sum a+(a+1)+(a+2)+.....+(a+n-1) in terms of a and n Part (b): Find all pairs of positive integers (a,n) such that n>= 2 and a+a+1)+(a+2)+....+(a+n-1)=100.
Monday, December 15, 2014 at 9:32pm

Math
Write each of the fractions below as a division expression. Then write each fraction as a whole number or mixed number (I need help with this, because it confuses me as to how to write it as a division expression. Also sorry for no work saw.) 1. 5/4 2. 16/8 3. 14/3 4. 17/12
Monday, December 15, 2014 at 9:31pm

Quick math help
On my test over parallel lines and proportional parts in triangles today, there was a question that asked to solve for x. There was 2 problems with x in them in the triangle. So would I just have to multiply each part by two and set them equal to each other?
Monday, December 15, 2014 at 8:36pm

math
lamina in the xy plane is bounded by y=0,x=0 and 2x + y=2 has mass density at (x,y) equal to the distance to the x-axis. find the mass of the lamina. the part that is tripping me up is the mass density
Monday, December 15, 2014 at 8:24pm

math
A boat traveled 210 miles downstream and back. The trip downstream took 10 hours. The trip back took 70 hours. What is the speed of the boat in still water. What is the speed of the current?
Monday, December 15, 2014 at 8:14pm

Math
Zach had to make bracelets for Student Council. He made 10 of them on Monday and 2/5 of them on Tuesday. Zach completed the remaining 1/2 on Wednesday. How many bracelets for Student Council did Zach have to make? Tuesday = 2/5 = 4/10 of the total. Wednesday = 1/2 X 3/5 = 3/10...
Monday, December 15, 2014 at 8:10pm

Math
Let a1,a2,......a10 be an arithmetic sequence. If a1+a3+a5+a7+a9=17 and a2+a4+a6+a8+a10=15 then find a1.
Monday, December 15, 2014 at 7:41pm

math
The Eskimos are trying to generate more money because player wages are increasing. they have came up with a couple of plans: Plan 1 : they are going to open up 1850 new seats in the endzone that will be reserved for family seating. they project that they will, on average, get ...
Monday, December 15, 2014 at 7:32pm

MATH
A carpenter has a board that is 10 feet long. He wants to make 6 table legs that are all the same length. What is the longest each leg can be? Please explain how you find a sum of this problem.
Monday, December 15, 2014 at 7:29pm

alegebra / math
How much more money? The ratio of Beatriz’s savings to Hannah’s savings is 4 : 7. The ratio of Hannah’s savings to Julia’s savings is 3 : 5. The three girls have a total savings of $136. How much more money has Julia saved than Beatriz? Explain how you got ...
Monday, December 15, 2014 at 7:26pm

MATH
A sporting goods company can ship 6 footballs in each carton. How many cartons are needed to ship 75 footballs? Explain how you did it?
Monday, December 15, 2014 at 7:21pm

Math Plz dont ignore Plz
The Eskimos are trying to generate more money because player wages are increasing. they have came up with a couple of plans: Plan 1 : they are going to open up 1850 new seats in the endzone that will be reserved for family seating. they project that they will, on average, get ...
Monday, December 15, 2014 at 7:20pm

MATH
A carpenter has a board that is 10 feet long. He wants to make 6 table legs that are all the same length. What is the longest each leg can be? Thanks
Monday, December 15, 2014 at 7:17pm

math
The Eskimos are trying to generate more money because player wages are increasing. they have came up with a couple of plans: Plan 1 : they are going to open up 1850 new seats in the endzone that will be reserved for family seating. they project that they will, on average, get ...
Monday, December 15, 2014 at 7:17pm

Math
Why are the estimates of 6/10 x 18 shown below different? Is one estimate better than the other?
Monday, December 15, 2014 at 7:16pm

MATH 4TH GRADE
Teacher has 27 students. She asks the students to form as many groups of 4 as possible. How many students will not be in a group?
Monday, December 15, 2014 at 7:14pm

math
teacher has 27 students. she asks the students to form as many groups of 4 as possible. How many students will not be in a group?
Monday, December 15, 2014 at 6:55pm

Math
Evaluate 1/3 + square root(3)/12 + 1/16 + square root (3)/64. I hope this makes sense. Right now we're learning sequences and series and I'm really confused on this question.
Monday, December 15, 2014 at 6:47pm

MATH
-5(-1+6)
Monday, December 15, 2014 at 6:38pm

math
How much more money? The ratio of Beatriz’s savings to Hannah’s savings is 4 : 7. The ratio of Hannah’s savings to Julia’s savings is 3 : 5. The three girls have a total savings of $136. How much more money has Julia saved than Beatriz? Explain how you got ...
Monday, December 15, 2014 at 6:30pm

Math
A museum calculates the rate for groups using the equationC=4P+8,where P is the number of people and C is the total cost in dollars. If the cost for a group is $60, how many people are in the group?
Monday, December 15, 2014 at 6:01pm

Math
Mary's parents decide to give her an allowance every Saturday. The first Saturday they give her .01 cent. For each successive week they double the amount given the previous week. If Mary saves her allowance, in how many weeks will she be a millionaire?
Monday, December 15, 2014 at 5:32pm

MATH
if the legs of a right triangle have lengths of 6 inches and 8 inches what is the length of the hypotenuse in inches A. 11 B. 13 C. 10 D. 16***
Monday, December 15, 2014 at 5:27pm

Math
If Log27 in base5=x and Log5 in base3=y., find xy
Monday, December 15, 2014 at 5:24pm

math
A health researcher wanted to know if there was a difference in success rates between three methods of quitting smoking: A, B, and C. She designed a study with 15 participants, 5 in each group, and asked participants to track how many cigarettes they smoked in a 2-week period...
Monday, December 15, 2014 at 5:12pm

Math
How much more money? The ratio of Beatriz’s savings to Hannah’s savings is 4 : 7. The ratio of Hannah’s savings to Julia’s savings is 3 : 5. The three girls have a total savings of $136. How much more money has Julia saved than Beatriz? Explain how you got ...
Monday, December 15, 2014 at 5:03pm

Math
Marie wants to draw a painting with an area of 40 square inches. If she draws her painting on 1inch grid paper how many squares would the painting coved. tell why
Monday, December 15, 2014 at 4:44pm

math
Emily's family loves to work together in the garden. They have a slight preference for flowers, as 60% of their plants are flowers and 40% are vegetables. They have 50 plants growing in the garden. How many vegetable plants do they have?
Monday, December 15, 2014 at 4:37pm

math
An estimated 3 out of every 25 men are left-handed. What percent of men are left-handed?
Monday, December 15, 2014 at 4:33pm

math
When a grizzly bear hibernates, its heart rate drops to 10 beats per minute, which is 20% of its normal value. What is a grizzly bear's normal heart rate when not hibernating?
Monday, December 15, 2014 at 4:32pm

math
what is recipricol and can you give me an example. thank you
Monday, December 15, 2014 at 4:27pm

math
Ok. The question is 'How does the ratio of two side lengths within one figure compare to the ratio of the corresponding side lengths in the other figure?' if you just give me a hint on this please!
Monday, December 15, 2014 at 3:54pm

math
Megan rented a car that cost $35 per day plus $0.20 per mile for each mile driven. Which expression shows the cost of renting the car for 2 days and driving 180 miles?
Monday, December 15, 2014 at 3:50pm

Math
Estimate each product of 4 5/8 x 1/3=
Monday, December 15, 2014 at 3:40pm

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