Wednesday
July 8, 2015

Homework Help: Math

Branches of Math

Recent Math Questions

Math
Think of a five-digit number composed of odd numbers. The thousands digit is two less than the ten thousands digit but two more than the hundreds digit. The tens digit is two more than ones digit which is four less than the hundreds digit?
Tuesday, June 16, 2015 by Maitess

math
Bob does 2/7 of a book in 1 hour.how long will he take to do the remaining work?
Tuesday, June 16, 2015 by Ahmed

Math
to determine the number of catfish in a pond, a game warden catches 131 catfish, tags them and throws them back into the pond. later, 20 catfish are caught, 10 of them are tagged. How many catfish would the game warden expect to be in the pond? 131/10 20/x
Monday, June 15, 2015 by Kayla

math
last one is $300
Monday, June 15, 2015 by sara

math
From the following data calculate final balance and forward it in the pay stubs. Beginning balance $2000 Jan 2 Deposit $500 Jan 10 Check written to Alex company $600 Jan 16 Check written to Angels Company
Monday, June 15, 2015 by sara

Math
What is the approximate average of these numbers: 9,18 and 31?
Monday, June 15, 2015 by Elizabeth

Math
Vicky bought 6 and 2/3 yards of one type of ribbon and 4 and 3/4 yards of another type of ribbon to make hair bows. If each bow takes 1 and 1/2 yards, how many hair bows can she make?
Monday, June 15, 2015 by Breanna

math
in a booster club, 1/8 of the members are men. How many male members are in the club.
Monday, June 15, 2015 by Anonymous

math
In a class of 40 students 18 passed economics 19 passed accounts 16 passed economics 6 passed mathematics only 9 passed accounts only 5 passed mathematics and accounts only 2 passed accounts and economics only. How many failed in all the papers? How many failed in economics? ...
Monday, June 15, 2015 by david

Math
Sorry I wasn't finished with the problem. Fijisawa Inc. is considering a major expansion of its product line and has estimated the following cash flows associated with such an expansion. The initial outlay would be $1,980,000, and the project would generate incremental ...
Monday, June 15, 2015 by Alicia

MATH
If the demand function for a commodity is given by equation p^2+12q=18 and the supply function is given by the equation 700-p^2+6q=0, find the equilibrium quantity and price
Monday, June 15, 2015 by tracy

Math
Fijisawa Inc. is considering a major expansion of its product line and has estimated the following cash flows associated with such an expansion. The initial outlay would be $1,980,000, and the project would generate incremental free cash flows of $490,000 per year for 6 years...
Monday, June 15, 2015 by Alicia

Math - NPV & IRR
East Coast Television is considering a project with an initial outlay of $X ( you will have to determine this amount) It is expected that the project will produce a positive cash flow of $60,000 a year at the end of each year for the next 16 years. The appropriate discount ...
Monday, June 15, 2015 by Callie

math
1000ml x 15 gtt x 1 hr = 31 gtt 8hr ml 60 min How do you do this???
Monday, June 15, 2015 by Brian

math 4
For the spinner above, the probability of landing on black is 1/2, and the probability of landing on red is 1/3, Suppose it is spun three times. What is the probability it will land on black all three times? ansewrs
Monday, June 15, 2015 by Anonymous

math
The greatest integer function ,shows below, is defined to be greatest________less than or equal to x. f(x)=[[x]]
Monday, June 15, 2015 by karla

Math
Internal rate of return What is the internal rate of return for the following project. An initial outlay of $9500 resulting in a single cash inflow of $16,281 in 7 years. Internal rate of return for the project is ___%
Monday, June 15, 2015 by Katie

Math-NPV
Net Present Value Big Steve's makers of swizzle sticks, is considering the purchase of a new plastic stamping machine. This investment requires an initial outlay of $110,000 and will generate net cash inflows of $17,000 per year for 11 years. a. what is the projects NPV ...
Monday, June 15, 2015 by Callie

Math
The Empire Carpet Company orders merchandise for $17,700, including $550 in shipping charges, from Mohawk Carpet Mills on May 4. Carpets valued at $1,390 will be returned because they are damaged. The terms of sale are 2/10, n30 ROG. The shipment arrives on May 26 and Empire ...
Monday, June 15, 2015 by Jay

math
For f(x) and g(x) given below, find the following, f(x) = (x-1)^5, g(x)=1-6x a) (f of g)(x)= -7776x^5 b) (g of f)(x)= -6x^5+30x^4-60x^3+60x^2-30x+7 c)f(f(x)= d) f^2(x)=(f*f)(xx)= Im stuck on c and d
Monday, June 15, 2015 by tracy

Math
How many different rectangles can you make with aperimeter of 12 matchstick
Monday, June 15, 2015 by Snethemba

Math
Piano lessons cost $30 per lesson. Find ordered pairs that represent the total cost for x number of lessons.
Monday, June 15, 2015 by Cordarius

Math
Between 4am and 5am, the water rises from 1.4m to 1.9m. Therefore, it rises 50 centimetres in 60 minutes. This means that the water rises approximately 0.83 centimetres every minute (50 ÷ 60 = 0.83cm). The water will have to increase 0.31m – or 31cm – from 1....
Monday, June 15, 2015 by Jess

Math
Anna is making a 20-metre long strips of $50 notes. Estimate the total value of the $50 notes Anna will use.
Sunday, June 14, 2015 by Angel

Math
How many people can fit in a 1.5 tonne elevator? Please show working out.
Sunday, June 14, 2015 by Angel

math
Q1.Plot three points with first coordinate equal to (-2.8) and join them.
Sunday, June 14, 2015 by Terrence

Math
My friend has $80 to spend on a fence for her rectangular garden. She wants to use cedar fencing which costs $8/foot on one side, and cheaper metal fencing which costs $2/foot for the other three sides. What are the dimensions of the garden with the largest area she can ...
Sunday, June 14, 2015 by Vin

math
using Rolles theorem to see if it can be applied to f. If so, find all numbers c such that f`(c)=0 f(x)=sin(x)+cos(x) interval [0,2pi]
Sunday, June 14, 2015 by Anonymous

math
Simplify the following expression to a single trigonometric term sin(360-x)*tan(-x)/cos(180 x)*(sin^2A cos^2A)
Sunday, June 14, 2015 by lesedi

math
I am a 6 digit number between 600 000 and 700 000.My ones digit and tens digit have no values.One of my digits has a value of 600 000.My ten thousands digit is one more than my thousands digit but if both digits are multiplied,the product is the same as the digit in the ...
Sunday, June 14, 2015 by mark chester

math trigonometry
Simplify the following expression to a single trigonometric term sin(360-x)*tan(-x)/cos(180 x)*(sin^2A cos^2A) answer= -sinx*-tanx/cosx*(1) after that how do i continue?
Sunday, June 14, 2015 by steve

Math
How many four digit numbers use the digit 7 two or more times?
Sunday, June 14, 2015 by Jason

Math
Byron’s house has a roof with dimensions shown. (Roof: 1m Height, 7m Hypotenuses, 12m length) He knows that the average rainfall in his suburb is 30cm per year. Byron would like to install a cylindrical rainwater tank to hold the water that runs off the roof. The tank is ...
Sunday, June 14, 2015 by Alex

Math
Byron’s house has a roof with dimensions shown. (Roof: 1m Height, 7m Hypotenuses, 12m length) He knows that the average rainfall in his suburb is cm per year. Byron would like to install a cylindrical rainwater tank to hold the water that runs off the roof. The tank is to...
Sunday, June 14, 2015 by Alex

math
how many times less is six in the tens place than six in the millions place in in the number 36432463
Sunday, June 14, 2015 by ella

math
A pair of fair dice is rolled. What is the probability of each of the following? (Round your answers to three decimal places.) (a) the sum of the numbers shown uppermost is less than 6 (b) at least one 6 is cast
Sunday, June 14, 2015 by Jay

math
Sharon made a scale drawing of a triangular park. The coordinates for the vertices of the park are: (– 10, 5) (15, 5) (10, 12) Her scale is 1 unit = 1 meter. What is the area of the triangular park in square meters?
Saturday, June 13, 2015 by carrie

math
The mean salary of 5 employees is $34600. The median is $35700. The mode is $3700. If the highest paid employee gets a $3900 raise, then what is the new mean, median and mode?
Saturday, June 13, 2015 by Jenna

Math
What is the absolute extrema of f(x)=sin^2(2x). Intervals [0,pi]
Saturday, June 13, 2015 by Jill

trigonometry math help
If cos 20=m determine the values of the following in terms of m. (a)sin 250 (b)sin 20 thanks
Saturday, June 13, 2015 by kem

math
An oil tank is 3m long, 3 m wide and 2 m high, when it is full of coconut oil specific gravity of 0.90, find the downward force at the bottom of the tank.
Saturday, June 13, 2015 by mmmm

math
tickets for children in a carnaval cost P 150.A teacher of a class of 48 pu[ils gets for the whole class but only 43 pupils buy.It is right for the teacher to say that she has P 6,350 for the tickets of the children?Why?
Saturday, June 13, 2015 by zerie kaye

math
tickets for children in a carnaval cost P 150.a teacher of a class of 48 pupils gets for the whole class but only 43 pupils buy.it is teacher right for the teacher to say that she has P 6,350 for the tickets of the children?why?
Saturday, June 13, 2015 by zerie kaye

Math
What are adjusted residuals measured in?
Friday, June 12, 2015 by Paris

math
There are 50 red and green marbles in a basket, if there are 30 red marbles. Find the probability that exactly 5 of the 10 are green, if 12 are drawn?
Friday, June 12, 2015 by lyn

Statistics
Please Help, thank you! A researcher measures the following scores for a group of people. The X variable is the number of errors on a math test, and the Y variable is the person’s level of satisfaction with his/her performance. (a) With such ratio scores, what should the ...
Friday, June 12, 2015 by baegirl

math
what is the answer to this question? I just want to double check my answer that I wrote on a test? (3a)^1/2 x (3a)^-1/2
Friday, June 12, 2015 by Anonymous

math
for the given pair of events A and B complete parts (a) and (b) below : A. When a baby is born it is a boy B. When a 15 sided die is rolled the outcome is 11. Find P(A and B) the probability events A and B both occur
Friday, June 12, 2015 by Shayla

Math
Maria has an 8-sided die that is numbered from 1 to 8. She rolls the die 96 times. About how many times can she expect to roll an 8?
Friday, June 12, 2015 by Abby

Math
If: 2=6 3=12 4=20 5=30 6=42 9=?
Thursday, June 11, 2015 by ange

math
If one bag of skittles contains 1 and 1/4 cups then how many bags of skittles would 12 cups of skittles be divided into?
Thursday, June 11, 2015 by bob

Math (Finite)
A town council has 11 members, 6 Democrats and 5 Republicans. If a 3‐person committee is selected at random, what is the probability that Republicans make up the majority?
Thursday, June 11, 2015 by Stephanie

Finite Math
A town council has 11 members, 6 Democrats and 5 Republicans. If a 3‐person committee is selected at random, what is the probability that Republicans make up the majority?
Thursday, June 11, 2015 by Stephanie

math
how do you do this question (3^-3 + 3^-4)/3^-5
Thursday, June 11, 2015 by Anonymous

math
Question 5.5. Sandra throws an object into the air with an initial vertical velocity of 38 feet per second, from a platform that is 30 feet above the ground. How long will it take the object to hit the ground? (Points : 1) 1 second 2 seconds 3 seconds 4 seconds
Thursday, June 11, 2015 by tony

Math
The value of c that makes the equations c+d=6 and c-2d=3 true is: A) 1 B) 2 C) 3 D) 4 E) 5 The answer is 5, but I don't know why. Please explain?
Thursday, June 11, 2015 by Amy

Math
You have 5 pencils. Your friend gives you 16 pencils. You lost 7, how many do you have left?
Thursday, June 11, 2015 by TheAnimationShow

Math Help
Two people are selected at random from a group of 6 pilots and 4 engineers. What is the probability that both of them are engineers?
Thursday, June 11, 2015 by KiKi

Math
Two people are selected at random from a group of 6 pilots and 4 engineers. What is the probability that both of them are engineers?
Thursday, June 11, 2015 by KiKi

math
Question 2.2. The height of a triangle is 5 m less than its base. The area of the triangle is 42 m2. Find the length of the base. (Points : 1) 12 m 11 m 8 m 7 m i think it's 12m
Thursday, June 11, 2015 by tony

math
(¡Ì3+¡Ì2) (3-¡Ì2)
Thursday, June 11, 2015 by shivangi shray

Math
x to negative 3, x to 9th power, y to 5th power, y cubed Is the answer x to the 6th, y to the 8th?
Thursday, June 11, 2015 by Rosemary

math
sin theta=-3/5 and theta is in the third quadrant, find the following: cos(theta+180/3)
Thursday, June 11, 2015 by k'naffi

Math (Finite)
If a 3]person committee is selected at random, what is the probability that Republicans make up the majority?
Thursday, June 11, 2015 by Stephanie

Math (Finite)
A thief is faced with a combination lock with five wheels. Each wheel has the digits 0 to 9. The correct sequence of 5 digits needed to open the lock has no repeated digits. What is the probability that the thief will guess the correct sequence on the first try?
Thursday, June 11, 2015 by Alia

Math
What patterns you see in parts (1) and (2)?
Thursday, June 11, 2015 by Anonymous

math
I am a number between 50 and 60 and I am divisible by 3.I am an even number. Who am I?
Thursday, June 11, 2015 by arnab

Math
The sales tax is $0.065 per dollar where Ray lives. What percent of a dollar is the sales tax?? Please help!!
Wednesday, June 10, 2015 by Linda h

math
If the sum of first n term is 1600,and the common different is 2 while the 1st term is 1.find n?
Wednesday, June 10, 2015 by Noel

math
Chen is covering a 12-in. by 10-in. board with 1-inch-square tiles. He uses gray tiles to make six 2-in. by 2-in. squares. He covers the rest of the board with white tiles. How many more white tiles than gray tiles will Chen use? Six small rectangles inside a larger rectangle...
Wednesday, June 10, 2015 by Anonymous

MATH 117A
Select the approximate values of x that are solutions to f(x)=0,where f(x)=-9x^2+7x+2 A.{-0.22,1.00} B.{-9,7} C.{-0.78,-0.22} D.{-4.50,3,50}
Wednesday, June 10, 2015 by liza

math
12x+6=5x -6 -6 12x=-1 -- -- 12x 12x x=-1/2 am i doing it right?
Wednesday, June 10, 2015 by karla

math
why is the answer to this problem? 5/3 -5/6
Wednesday, June 10, 2015 by bobby

Finite Math
Fifty percent of students enrolled in calculus class have previously taken pre-calculus. Thirty percent of these students received an A for the calculus class, whereas twenty percent of the other students received an A for calculus. Find the probability that a student selected...
Wednesday, June 10, 2015 by Nikole

6th Grade Math :(
Gabriella went skiing. She paid $35 to rent skis and $15 an our to ski. If she paid a total of $95, how many hours did she ski? Write an equation to represent the situation and solve it. I don't understand this. I did this problem before and my teacher said my answer was ...
Wednesday, June 10, 2015 by MusicLover14

Math
A bank offers two interest account plans. Plan A gives you 6% interest compound annually. Plan B gives you 13% annual simple interest. You plan to invest $2,000 for the next 4 years. Which account earns you the most interest (in dollars) after 4 years? How much will you have ...
Wednesday, June 10, 2015 by Tay

Math
the hundred thousands digit of a six-digit even number is 3 more than the thousands digit,which is twice the ones digit.give at least four nuumbers that satisfy the given condition
Wednesday, June 10, 2015 by Sheela

Math
If f and g are functions defined for all real numbers, and f is an odd function, then f ∘ g is also an odd function. Justify. I wrote false cause for example if f = x^3(odd) and g=x^2(even) the fog is even.
Wednesday, June 10, 2015 by Alex

Math
There is a large bag with marbles in it. There are 23 red ones, 16 black ones, 5 blue ones, 17 orange ones, 4 white ones, and 15 purple ones. Juanita reaches in without looking and selects one marble. What is the probability that it is purple?
Wednesday, June 10, 2015 by Anonymous

math help trigonometry
Prove the following identity tan x cos x/sin x=1/sin x cos x
Wednesday, June 10, 2015 by lewis

math trigonometry
If cos 20=m determine the values of the following in terms of m. (a) cos(-200) (b)sin 250 (c)sin 20 thanks
Wednesday, June 10, 2015 by jenni

math trigonometry
Prove that 2sin150*cos315*cos(90-x)/sin(360-x)cos(-​240)sin135
Wednesday, June 10, 2015 by ivy

math trigonometry
Simplify cos180*sin225*cos80/sin170*tan135
Wednesday, June 10, 2015 by kem

Consumer Math
You owe $3,450.00. Which credit limit gives you an acceptable debt ratio? $4,000.00 $2,000.00 $7,000.00 $5,500.00 helping my granddaughter with this.
Tuesday, June 9, 2015 by Anonymous

Math
Typically, 10% of students make a D on their tests, 60% make a C on their test, and 30% make an A. Mrs. Smith uses a random-number table to find the experimental probability that of 5 students', at least 3 will make a C. The digit 0 represents students who make a D. The ...
Tuesday, June 9, 2015 by HELP!:)

Math 11
The Colebeck's are purchasing a cottage for $120 000. They have a down payment of $20 000 and borrow the rest at 4.8%/a compounded monthly. If their monthly payments are $750 determine how long it takes them to pay off the loan?
Tuesday, June 9, 2015 by Amy

Math
explain how the line plot would change if you measured a purple pen that is 6 inches long
Tuesday, June 9, 2015 by Samar

math trigonometry
Simplify Tan(180+theter)*cos(90+theter)+sin(360-t​heter)*tan(180-theter) thanks
Tuesday, June 9, 2015 by lesedi

math trigonometry
Prove the identity Sin^3X+sinx*cos^2X=tanx/cosX
Tuesday, June 9, 2015 by happy

math
is the statement |f(x)|= f|(|x)| always true, sometimes true or never true use examples. If f(x) means the function of x then it means the absolute value of the function of x equals the function of the absolute value of x. I do not know how to provide examples but I believe ...
Tuesday, June 9, 2015 by george

MS. SUE?? MATH (8TH) CONNECTIONS
I have 3 questions. Multiply the polynomials. -2r(8r+5) a. -16r^2 + 5 b. -16r^2 + 10 c. -16r^2- 10r d. -16r^2 - 10 ^2a(a^2 + 4a) a. 2a^2 + 6a^2 b. 2a^3 + 8a^2 c. 2a + 6a d. 2a^3 + 6a^2 (3y)(3y-2) a. 9y^2 - 6 b. 9y^2 + 5y c. 9y^2 + 1 d. 9y^2 - 6y
Tuesday, June 9, 2015 by Anon

math
On your birthday, you deposit $540.00 in an account that pays 6% interest compound anually. How much is in the account 3 years later?
Tuesday, June 9, 2015 by Blair

Math
A yogurt shop offers 2 different flavors of yogurt and 11 different toppings. How many choices are there for a single serving of yogurt with one topping? A= 20 B= 11 C= 13 D= 22
Tuesday, June 9, 2015 by HELP PLZ

math
A person leaves her home and walks 330 feet due north, then she walks 640 feet east, then she walks 900 feet north and 370 feet east. How far, to the nearest tenth of a foot, is she from her starting point?
Tuesday, June 9, 2015 by Anonymous

Math
Alex wants to cut out as many circular badges as possible from a rectangular sheet of cardboard(100cm by 60cm). The diameter of each badge is 14 centimeters. Use 22 an approximation for pi. a) How many badges can Alex cut? b) What is the area of the cardboard left over?
Tuesday, June 9, 2015 by Eiyannah

math trigonometry
Prove the identity Sin^3X sinx*cos^2X=tanx/cosX
Tuesday, June 9, 2015 by happy

Math
A walkway is formed by four semi circles. The diameter of the inner semi circles is 14 feet. The width between the outer and inner semicircles is 2 feet. Find the area of the walkway. Use 3.14 as an approximation for pi.
Tuesday, June 9, 2015 by Eiyannah

math
Aaron own a shipping company. He plans to move into his new office which is near to the city centre. He needs some filing cabinets to organize his files. Cabinet x which costs RM100 per unit, requires 0.6 square meters of the floor space and can hold 0.8 cubic meters of files...
Tuesday, June 9, 2015 by mt

Math
Hi, I am doing my summer assignment and I do not understand a problem. The question is about a girl who bought 4 shirts and 2 pairs of pants. The total cost of the shirts was $60.00. The total cost of the pants was $70.00. The total cost of the pants and shirts without sales ...
Tuesday, June 9, 2015 by carolina Puckett

MATH
In a G.P, the product of the second term and fourth term is double the fifth term and the sum of the first four terms is 80. Find the G.P.
Tuesday, June 9, 2015 by ANGELA

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