Saturday

August 23, 2014

August 23, 2014

**Branches of Math**

**Recent Math Questions**

Post a New Question | Current Questions

**Math**

According to the table, what is Ohman's T-Shirt Factory's profit at the profit maximizing point?
*Tuesday, August 5, 2014 at 10:34pm*

**Math 221**

I am trying to figure out how to Evaluate the polynomial resulting from step 1 using: P = $200 and r = 10%, and also with P = $5670 and r = 3.5% am trying to figure out where I start
*Tuesday, August 5, 2014 at 10:03pm*

**math**

Which of the following represents the zeros of the function g(x) = x 3 - 9x 2 + 2x + 48? A. x = –8, x = 2, and x = –3 B. x = 8, x = –2, and x = 3 C. x = 6, x = –4, and x = 9 D. x = –6, x = 4, and x = –9 I need help
*Tuesday, August 5, 2014 at 9:08pm*

**Math**

Arlan needs to create a box from a piece of cardboard. The dimensions of his cardboard are 10 inches by 8 inches. He must cut a square from each corner of the cardboard, in order to form a box. What size square should he cut from each corner, in order to create a box with the...
*Tuesday, August 5, 2014 at 8:37pm*

**Math**

An architect has allocated a rectangular space of 275ft^2 for a square dining room and a 14ft wide kitchen. Find both the width of the square dining room and the length of the entire rectangular space.
*Tuesday, August 5, 2014 at 8:31pm*

**Math**

The number of tickets sold each day for an upcoming performance of Handel,s Messiah is given by N(x)=-0.4^2+8.8x+10, where x is the number of days since the concert was first announced. When will daily ticket sales peak and how many tickets will be sold that day?
*Tuesday, August 5, 2014 at 8:28pm*

**math hw**

42. Twenty minutes after a plane leaves the airport, it is reported to be 160 miles away. What average speed of the plane in the miles per hour?
*Tuesday, August 5, 2014 at 7:45pm*

**math hw**

An automobile party leaves at 7:55 A.M., and arrives at its destination 15 miles away at 8:15 A.M. What was the average rate on this trip (in M.P.H.)?
*Tuesday, August 5, 2014 at 7:37pm*

**math hw**

40. How far (in miles) does a car travel when its average rate is 35 miles per hour and it travels for 3 hours and 24 minutes?
*Tuesday, August 5, 2014 at 7:27pm*

**Math**

what does [-8 4] equal ? -3[ 0-1] [ 6 3] How do I do this ? Help please
*Tuesday, August 5, 2014 at 6:45pm*

**math**

For the car loan described, give the following information. A newspaper advertisement offers a $4,500 used car for nothing down and 36 easy monthly payments of $157.62. (a) amount to be paid
*Tuesday, August 5, 2014 at 6:28pm*

**math**

18-12/___+6=21 17-5x___+6=8 9-5x___/10+2=9 10+6x___-8=20 8+5x___-6/3=16
*Tuesday, August 5, 2014 at 5:17pm*

**Calculus-Math**

The length of a rectangle is given by 2t + 2 and its height is √t, where t is time in seconds and the dimensions are in centimeters. Find the rate of change of the area with respect to time. A'(t)=
*Tuesday, August 5, 2014 at 5:08pm*

**math**

7-8/2+2= 6+8/2-2x5= 18-12/___+6=
*Tuesday, August 5, 2014 at 4:57pm*

**Math**

Mathew worked 5/6 hour on Monday, 3/4 hour on Tuesday. How many hours did he work on Monday and Tuesday?
*Tuesday, August 5, 2014 at 4:13pm*

**Math help**

5x+2y=12 How do i solve it?
*Tuesday, August 5, 2014 at 2:32pm*

**Math**

Give the sum of the greatest five consetive even numbers less than 7000
*Tuesday, August 5, 2014 at 6:52am*

**Math**

Give the sum of the greatest five consecutive even numbers less than 7000.
*Tuesday, August 5, 2014 at 6:36am*

**Math**

What is the 15th term of the sequence-3,2,7,...?
*Tuesday, August 5, 2014 at 5:44am*

**math**

the solution is (2/3,-1/2)(-3,-8) and he formula is f(x)=mx+b given the slope and one point
*Tuesday, August 5, 2014 at 3:01am*

**Calculus-Math**

Use the given information to find f '(8). f(x) = 9g(x) + h(x) g(8) = 1 and g'(8) = 5 h(8) = 8 and h'(8) = -3 f'(8)=
*Tuesday, August 5, 2014 at 2:40am*

**math**

Fun fact: there are only two in that are equal to the sum of their factorials of their digits. (Ex 145: 1!+4!+5!= 1+24+120=145 First one to find the other one wins
*Tuesday, August 5, 2014 at 2:07am*

**math **

Maria, who has been a computer consultant for the past 5 years, has 100 regular customers. Her standerd fee is $90 per hour. She decided to raise her fees, and folowing some research and based on her previous experience, she expects that she will lose a customer for every $1 ...
*Monday, August 4, 2014 at 11:39pm*

**Math**

If 2a = 3b, 1/3c = 6b^2, and b > 0, what is c in terms of a? The answer choices are: (A) 8a^2 + 6 (B) 8a^2 + 12 (C) 12a^2 + 6 (D) 18a^2 + 6 (E) 18a^2 + 12 Thank you!
*Monday, August 4, 2014 at 10:48pm*

**math test review**

18. In triangle ABC, m<C=2m<b,m<A=6m<B. what is the measure of <c? A.5 degrees B.15 degrees C.20 degrees D.30 degrees E.40 degrees
*Monday, August 4, 2014 at 10:22pm*

**math**

Mang jose wants to make a table which has an area of 8 m^2. The length of the table has to be 2 m longer than the width. 1. if the width of the table is p meters what will be its length? 2.form a quadratic equation that represents the situation? 3.find the solution from the ...
*Monday, August 4, 2014 at 10:13pm*

**math**

1. If b is positive integer less than 200, then how many integer pairs (a,b) satisfy the equation a/b= 2/9?
*Monday, August 4, 2014 at 10:08pm*

**math**

1. If b is a positive integer than 200, then how many integer pairs (a,b) satisfy the equation a/b= 2/9
*Monday, August 4, 2014 at 10:00pm*

**math**

A tire company determines that to manufacture a certain type of tire, it costs $9000 to set up the production process. Each tire that is produced costs $21 in material and labor. The company sells this tire to wholesale distributors for $49 each. (a) Find a linear function C ...
*Monday, August 4, 2014 at 9:11pm*

**math test review**

16. If the base of a right triangle is 8 (square root)2 and the hypotenuse is 18, what is the area of the triangle? A.14 B.14 square root 2 C.56 square root 2 D.64 E.64 square 2
*Monday, August 4, 2014 at 8:00pm*

**math hw**

In set of 30 different positive integers, every number is even and/or a multiple of 3. If 22 of these numbers are even and 15 are multiple of 3, then how many of these numbers are multiple of 6?
*Monday, August 4, 2014 at 7:54pm*

**math**

3×44÷33×34
*Monday, August 4, 2014 at 7:53pm*

**math hw**

2. If a^2-b^2=20 and a+b=2, what is the value of a-b? I added the a^2-b^2+20 and a+b+20, but i couldn't get the answer to equal a-b.
*Monday, August 4, 2014 at 7:52pm*

**math hw**

10.Thirty students in a chemistry class took a test on which the overall average score was 78. If the average score for 15 of those students was 85, what was the average score for the remaining members of the class? I know that "average" means dividing, but i'm ...
*Monday, August 4, 2014 at 7:49pm*

**math **

9. In Mr.chin's math class there were g girls and b boys. The number pf girls was 5 less than twice the number of boys. What is the value of g in terms of b? this is what I have so far: 2n-5
*Monday, August 4, 2014 at 7:46pm*

**Math**

(v-5)(v+3) Is this answer correct v+15
*Monday, August 4, 2014 at 7:28pm*

**Math 221**

(-4)^-3 is this -12
*Monday, August 4, 2014 at 7:22pm*

**Math 221**

24x^5-15x^4/3x^2
*Monday, August 4, 2014 at 7:10pm*

**Math**

7b^3(5b^6+9b) I am trying to see if this answer is correct 35b^9+63b^4
*Monday, August 4, 2014 at 7:06pm*

**math**

Ronelio invests $29,000 in two one-year certificates of deposit. One certificate pays 4%, and the other pays 4.75% simple interest annually. (a) Construct a model for the total interest I(x) Ronelio earns in one year on his investments. (Let x represent the amount invested at ...
*Monday, August 4, 2014 at 6:54pm*

**Math**

polynomials (4u^2-2u+7)+(-5u^2+u+3)
*Monday, August 4, 2014 at 6:52pm*

**Math**

(-2x^4)^2 y
*Monday, August 4, 2014 at 6:37pm*

**Math 221**

Polynomials x4y5 x3y6
*Monday, August 4, 2014 at 6:24pm*

**math 4**

Henry Devine bought a new dishwasher for $320. He paid $20 down and made 10 monthly payments of $34. What actual yearly interest rate did Henry pay? A. 29.09 B. 68.75End of exam C. 14.55 D. 34.38 Please explain to me
*Monday, August 4, 2014 at 4:21pm*

**math 3**

The gross income of Ginger Hughes is $215 per week. Her deductions are: $15.16, FICA tax; $29.33, income tax; 2% state tax; 1% city tax; and 3% retirement fund. What is her net income? Please explain to me
*Monday, August 4, 2014 at 3:27pm*

**math**

Jan Quint earns $7.00 an hour at her job and is entitled to time-and-a-half for overtime, and double time on holidays. Last week she worked 40 hours of regular time, 9 hours of overtime, and 12 hours of holiday time. How much did she earn last week? Please explain this to me
*Monday, August 4, 2014 at 3:25pm*

**math**

Jim paddles from one shore of a lake three miles wide at 4 mph, and John paddles from the opposite shore at 5 mph. How long will they travel before they meet? please explain to me
*Monday, August 4, 2014 at 3:23pm*

**math**

How many digits are presents from 1 - 2014
*Monday, August 4, 2014 at 12:57pm*

**math**

find the volume of the solid obtained by rotating the region bounded by the given curves about the specified line. x=2=2sqrty, x=0, y=9 about the y axis. Is this the disk or shells method and how do I set this problem up?
*Monday, August 4, 2014 at 9:16am*

**math**

Investor A deposits 1,000 into an account that earns an interest rate of 6% per annum compounded semi-annually. On the same date, Investor B deposits 800 into an account that earns an interest rate of 8% per annum compounded monthly. After how many years does Investor B’s...
*Monday, August 4, 2014 at 8:48am*

**math**

when the expression x^3+mx^2+nx-5 is divided by x+2 and x+3, the remainders are 2 and 13, respectively. find the value of m and n. tnx..
*Monday, August 4, 2014 at 8:22am*

**math**

1.) when the expression 4x^2-3x-8 is divided by x-a, the remainder is 2. find the value of a. 2.) the polynomial 3x^3+mx^2+nx+5 leaves a remainder of 128 when divided by x-3 and a remainder of 4 when divided by x+1. calculate the remainder when the polynomial is divided by x-3...
*Monday, August 4, 2014 at 5:55am*

**Math**

Sin square 5 degree plus Sin square 10 degree plus Sin square 15 degree plus..........Sin square 90 degree
*Monday, August 4, 2014 at 2:52am*

**math**

In the z transformation formula, z = (x – M)/s the x stands for __________. (Points : 1)
*Sunday, August 3, 2014 at 11:16pm*

**math**

Find the standard form of the equation of the line that passes through (-3,2) and (-4,-7)
*Sunday, August 3, 2014 at 9:33pm*

**math plz ugh**

Find an equation of the line with slope -3/4 and y-intercept (0,-5).write the answer in slope intercept form.
*Sunday, August 3, 2014 at 8:29pm*

**math**

How would you find an equation of horizontal line that passes through the point (-4,-8)?
*Sunday, August 3, 2014 at 7:40pm*

**math help plz!**

Write the following equation in slope-intercept form. Then identify the slope and y-intercept. -3x+7y=-9
*Sunday, August 3, 2014 at 7:33pm*

**math**

find teh volume of the solid by rotating y=1-x^2, y=0 around the xaxis
*Sunday, August 3, 2014 at 6:47pm*

**Math**

I'm having a bit of trouble with the following problem. Thanks! Kevin bought a new car for $22,000. He made a down payment of $5,500 and has monthly payments of $406.69 for 4 years. He is able to pay off his loan at the end of 30 months. Using the actuarial method, find ...
*Sunday, August 3, 2014 at 5:40pm*

**Math**

there are 9 blue marbles, 4 black marbles, 5 white marbles and 6 red marbles. If the probability of drawing a blue marble is now 1/3, how many of the 6 marbles removed were blue?
*Sunday, August 3, 2014 at 3:03pm*

**math**

what does the polar equation r=1/(sintheta + costheta) represent? how do I do this problem
*Sunday, August 3, 2014 at 2:53pm*

**math**

I know the answer. I don't know how to get to the answer to this problem: The number of marbles Mari has is 2/3 the number Tanya has. Together they have 40 marbles. How many marbles does Tanya have? I know the answer is 24, but how?
*Sunday, August 3, 2014 at 1:10pm*

**math**

The number of marbles Marci has is 2/3 the number Tanya has. Together they have 40 marbles. How many marbles does Tanya have?
*Sunday, August 3, 2014 at 11:18am*

**Math DE**

Find the general solution of the differential equation dy/dx-4y= -5y^2
*Sunday, August 3, 2014 at 8:44am*

**math**

sketch the graph of the linear function passing through (-6,5) and (-6,3)
*Sunday, August 3, 2014 at 2:40am*

**math**

Many scientists believe that the increase of carbon dioxide (CO2) in the atmosphere is a major contributor to global warming. The Environmental Protection Agency estimates that one gallon of gasoline produces on average about 19 pounds of CO2 when it is combusted in a car ...
*Saturday, August 2, 2014 at 11:02pm*

**math**

Jane invests 500 at t=0 at a nominal annual interest rate of 6%, compounded quarterly. What additional amount will she need to invest at t=2 in order to have a total of 1,000 at t=5?
*Saturday, August 2, 2014 at 10:59pm*

**math**

Hey I'd really appreciate some help with this problem please. Kathie and her friend Tia are on their motorcycles heading north to Springfield on the same straight highway. Kathie leaves from a point 115 miles south of Springfield at 10:00 A.M., and Tia leaves from a point ...
*Saturday, August 2, 2014 at 9:04pm*

**Math**

Express the following in term of sum (or difference)of logarithms: log (10A)/(7B^2)
*Saturday, August 2, 2014 at 9:02pm*

**college math**

On August 4, 2007, NASA's Phoenix Mars Lander was launched into space to search for life in the icy northern region of the planet Mars; it touched down on Mars on May 25, 2008. As the ship raced into space, its jet fuel tanks dropped off when they were used up. The ...
*Saturday, August 2, 2014 at 9:01pm*

**College math**

Express the following in terms of Sum(or differnece) of logarithm's: log sub-b T^5 W^2 Z
*Saturday, August 2, 2014 at 9:00pm*

**College math**

Convert to an exponential equation: -In45=3.80666249 and -Log sub.B T^5=W
*Saturday, August 2, 2014 at 8:56pm*

**College math**

Determine whether the following function is a one-to-one function,and if the function is a one-to-one, find a formula for the inverse. F(x)=x^3-27
*Saturday, August 2, 2014 at 8:52pm*

**College math**

Determine whether the following function is a one-to-one function,and if the function is a one-to-one, find a formula for the inverse. F(x)=(5x-6)/(2x+3)
*Saturday, August 2, 2014 at 8:52pm*

**College math**

Determine whether the following function is a one-to-one function,and if the function is a one-to-one, find a formula for the inverse. F(x)=5/(x+3)
*Saturday, August 2, 2014 at 8:49pm*

**Math**

A model rocket is launched with an initial velocity of 164ft/sec. It's height h, in feet, after t seconds is given by the formula h=164t-16t^2. After how many seconds will the rocket first reach a height of 400ft?
*Saturday, August 2, 2014 at 8:09pm*

**Math**

An architect has allocated a rectangular space of 240ft^2 for a square dining room and a 14 ft wide kitchen. Find both the width of the square dining room and the length of the entire rectangular space.
*Saturday, August 2, 2014 at 8:04pm*

**statistics**

The trends in international mathematic and science study (TIMSS) in 2007 examined eighth grade proficiency in math and science. The mean mathematics scale score for the sample of eighth grade students in the US was 508.5 with a standard error of 2.83. Construct a 95% ...
*Saturday, August 2, 2014 at 7:14pm*

**math**

Ivanna is going to rent a truck for one day. There are two companies she can choose from, and they have the following prices. Company A charges 114 and allows unlimited mileage. Company B has an initial fee of 65 and charges an additional 0.70 for every mile driven. For what ...
*Saturday, August 2, 2014 at 6:44pm*

**math**

For a given right triangle, side A = 490 ft and side b = 960 ft. What is the measure of angle B to the nearest degree?
*Saturday, August 2, 2014 at 6:38pm*

**math**

With a tax rate of .0200, a tax bill of $1050 corresponds to an assessed valuation of
*Saturday, August 2, 2014 at 2:28pm*

**math**

The cost of importing five dozen china dinner sets, billed at $32 per set, and paying a duty of 40%, is A. $224 B. $2688 C. $768 D. $1344
*Saturday, August 2, 2014 at 2:04pm*

**math**

A quart is approximately sixty cubic inches. A cu. ft of water weighs approximately sixty pounds. Therefore, a quart of water weighs, approximately, A. 2 lbs. B. 3 lbs. C. 4 lbs. D. 5 lbs.
*Saturday, August 2, 2014 at 2:02pm*

**Math**

Simplify the following expressions by using trigonometric form and De Moivre's theorem a. (√3-i)^4 b. (-4+4i√3)^5 c.(2+3i)^4 d. (4-i)^6
*Saturday, August 2, 2014 at 1:24pm*

**math**

If 3= 9b/a ,What is a/b equal to ?
*Saturday, August 2, 2014 at 10:38am*

**math**

In how many ways can the letters of the word FACTORING be arranged, without changing the order of the vowels a, o, i
*Saturday, August 2, 2014 at 6:11am*

**math**

Find the number of arrangements of the letters of the word STRENGTH if the order of the consonants must not be changed?
*Saturday, August 2, 2014 at 5:25am*

**Math**

How do I find the greatest common factor of 54, 81, and 135? I don't understand the tree diagram either. :(
*Friday, August 1, 2014 at 10:26pm*

**math**

how to write 2nd august 2014 in 5letters without numbers
*Friday, August 1, 2014 at 9:31pm*

**math**

Mary Stevens earns $6 an hour at her job and is entitled to time-and-a-half for overtime, and double time on holidays. Last week she worked 40 hours of regular time, 6 1/2 hours of overtime, and 8 hours of holiday time. How much did she earn?
*Friday, August 1, 2014 at 5:26pm*

**math**

Four students at a computer fair competed against each other in a space-travel game. Chris scored 2/3 as many points as the winner Pat. Rich scored 1/2 as many points as Chris. Tome scored 100 points, which was 90 points less than Rich's score. How many points did Pat score?
*Friday, August 1, 2014 at 11:51am*

**math**

How many cubic yards of concrete are needed to make 1200 square concrete posts 9 inches by 9 inches by 6 feet?
*Friday, August 1, 2014 at 9:34am*

**math**

express the limit as a definite integral. Do Not Evaluate the integral. lim n->infinity (1+i(3/n))^2(3/n) explain the answer please
*Friday, August 1, 2014 at 6:51am*

**math**

Timmy and Kenny raced in biking and running. Timmy won first place by clocking in at 5.75 min. in biking and 8.2 min. in running. Kenny won 2nd place by clocking in at 6.2 min. in biking and 9.4 min. in running. What is the difference of their clock-ins together?
*Friday, August 1, 2014 at 4:13am*

**math**

Marjorie is on her way to school. She walks 0.75 Km North, 0.5 Km. East and 0.45 Km. South. How many Km. did she walk to get to school?
*Friday, August 1, 2014 at 4:11am*

**Math**

9. If f is a linear function such that f(-1) = 5 and f(2) = -1, then f(x + 1) = A. -2x + 1 B. -2x + 3 C. x + 1 D. -2x + 2 E. 2x + 1
*Thursday, July 31, 2014 at 10:46pm*

**business 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 $105.50. What is the percent of interest paid on this loan?
*Thursday, July 31, 2014 at 9:12pm*

**Math**

9 is 1/3% of what number?? I need help
*Thursday, July 31, 2014 at 6:08pm*

**Math**

If the investment rises from $1000 to $5000, the percent is what from the original?
*Thursday, July 31, 2014 at 6:05pm*

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