Friday
July 29, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

Math
I am 3 digit number my hundreds digit is 4 times my ones digit and my tens digit is their difference. What number am i?
Wednesday, June 15, 2016 by Raina

Math Please Help Assignment Due
The graph of the function f(X)= 4x^2 -17x-9 has two X intercepts. What is the value of the larger X intercept to one decimal place?
Wednesday, June 15, 2016 by Jenny

Math
The formula A=l*w is in this formula ⏹=🔼*⏺ What other formulas in this form can you think of?
Wednesday, June 15, 2016 by Anonymous

Math
Lesson is on using formulas A=l*w Create formulas for the following relationships. A. The relationship between the number of tires (not including spares) and the number of cars in a parking lot. B the relationship between the number of minutes to the number of days.
Wednesday, June 15, 2016 by Cindy

Math Please Help Assignment Due Today
Ella wants to build a rectangular pen for her dogs with two distinct sections. The area of the enclosure can be represented by A= Xy and the total length of fencing can be represented by 3x + 2y = 60. If she had 60 ft of fencing to work with, determine the maximum area she can...
Wednesday, June 15, 2016 by Jenny

Math problem solving
At the hardware store , you buy hammers for $ 30 a dozen. And sell them for $ 3.50 each. What is the percent mark up for the hammers?
Wednesday, June 15, 2016 by Danielle

Math
Marge bought a computer for $699 on the installment plan. The terms of the plan were a down payment of $100, then payments of $58 a month for 12 months. How much was her total cost?
Wednesday, June 15, 2016 by Brianna

math
There are 2 trains, one in Los Angeles and the other one in Denver. Train 1 left Los Angeles at 10am and was traveling east at a speed of 100 mph. Train 2 left Denver at 1pm and was traveling west at 80 mph. Which train is closer to Los Angeles when they meet each other?
Wednesday, June 15, 2016 by bev

math
How many 1oz bottles will this solution fill.
Wednesday, June 15, 2016 by Kelly

math
two bus start from the same bus stand at 8a.m. one travels at 40km/h and other at 50km/h. the second bus reaches the next stop at 10a.m.How much later will the first bus arrive?
Wednesday, June 15, 2016 by manju

Math ---HELP!!!!!
A study of a brand of “in the shell peanuts” gives the following results: Number of peanut bags Probability 25 0.003 30 0.020 35 0.090 40 0.150 45 0.350 50 0.217 55 0.170 A significant event at the 0.01 level is a fan getting a bag with how many peanuts? A. 30 ...
Wednesday, June 15, 2016 by angela

Math ---HELP!!!!!
One hundred people are selected at random and tested for colorblindness to determine whether gender and colorblindness are independent. The following counts were observed. Colorblind Not Colorblind Total Male 7 53 60 Female 1 39 40 Total 8 92 100 Find the value of the X2 ...
Wednesday, June 15, 2016 by angela

math
The vertices of triangle IJK have coordinates I(−5, −2), J(−5, −4), and K(−4, −4). Which coordinates are the coordinates of the vertices of triangle IꞌJꞌKꞌ when triangle IJK is rotated 180° clockwise around the ...
Wednesday, June 15, 2016 by Potato ^-^

Math
Among a group of people, 10% are from NYC and 90% are not. All people from NYC are under 18 years old, and 70% of those not from NYC are also under 18 years old. One person is chosen at random, and he or she is under 18. What is the probability that the person chosen is from ...
Wednesday, June 15, 2016 by Sarah

Math
Elenore made an 850 mile trip east. She traveled 2 hours by jet and 30 minutes by a private propeller plane. If the speed of the jet was four times the speed of the propeller plane, what was the speed of the jet?
Wednesday, June 15, 2016 by TJS91

math
Catherine has $54. She plans to spend more than $20 of the money for a painting canvas. The rest will go toward paints. Each tube of paint costs $8.50. Assume that x represents the number of tubes of paint Catherine can buy
Wednesday, June 15, 2016 by keenan

Math
An airplane is flying 100 km north and 185 km west of an airport. It is flying at a height of 7 km A) what is the straight long distance to the airport? B) what is the angle of elevation of the airplane, from the point of view of the airport?
Wednesday, June 15, 2016 by Sydney

Math
Two trucks leave the truck stop at the same time, one heading north and one heading south. The truck driving south is driving 15 miles per hour slower than the truck driving north. How fast is the slower truck traveling is they are 1,250 miles apart after 10 hours worth of ...
Wednesday, June 15, 2016 by TJS91

math
Using paranthesis and exponents use five 3s to write an expression whose value is 29
Wednesday, June 15, 2016 by rizwan

math
anna is 5yrs old. i am six years more than twice her age
Wednesday, June 15, 2016 by shaina

math
find all two-digit odd number, the sum of whose is 9
Wednesday, June 15, 2016 by miggy

Math
A rectangular prism has a base of 42 square inches. If the volume of the prism is 210 cubic inches, which could be dimensions of this prism
Wednesday, June 15, 2016 by Anonymous

Math Functions
A stock went on the market and began with a start value of $2. After 6 months of being on the market it reached its maximum value of 52$ but then dropped back down to 2$ by the 12th month. Three competing investment firms have come up with the following models. Royal Bank: p(t...
Wednesday, June 15, 2016 by Dyrone

math
How many pounds of a $1.20 per pound nut mixture must be mixed with two pounds of a 90 cents per pound mixture to produce a mixture that sells for $1.00 per pound? with explanation
Wednesday, June 15, 2016 by tasreef

math
what is the concentration of the mixture of two mixture if two quarts of 30% acid solution is mixed with 3 pints of 20%acid solution
Wednesday, June 15, 2016 by tasu

Math
How cub will it cost to buy a rug 9 by 12 at 60 cent a foot
Wednesday, June 15, 2016 by Chantel

math
At noon, one ship A was directly north of another ship B. Ship A was sailing south at 30kph and B was sailing east at 15kph. After how many hours will the two ships be nearest each other?
Wednesday, June 15, 2016 by montefalco

Math
The sum of 2 numbers is 12. 6 less than 5 times the smaller is equal to the larger
Tuesday, June 14, 2016 by Yahya

Math
Four cans of cat food and 3 cans of dog food cost $1.99. Four cans of the same cat food and 1 can of the same dog food cost $1.33. What is the cost of one can of cat food and one can of dog food? My answer: $0.33 for dog food and $0.25 for cat food.
Tuesday, June 14, 2016 by IS THIS CORRECT PLEASE CHECK MY ANSWER

math
Draw the graph of Y=Sinx for 0 degrees less than or equal to x less than or equal to 360 degrees State the axis of symmetry period amplitude
Tuesday, June 14, 2016 by Alexandria

Math
Chords line PQ and line RS of a circle meet at X inside the circle. If RS = 38, PX = 6, and QX = 12, then what is the smallest possible value of RX?
Tuesday, June 14, 2016 by Kate

Math
In triangle ABC, AB = 10, AC = 8, and BC = 6. Let P be the point on the circumcircle of triangle ABC so that angle PCA = 45 degrees. Find CP.
Tuesday, June 14, 2016 by Kate

math
The sum of three consecutive odd numbers is 2583. What are the numbers?
Tuesday, June 14, 2016 by Anonymous

Math
Simplify 3(x+2)-4(5-x) Is this how you do it 3x+6-20+4x 7x-14 Is there a way to use a calculator for this
Tuesday, June 14, 2016 by Cindy

Math
Solve 2c+3t=35 for c
Tuesday, June 14, 2016 by Cindy

Math
Is there different ways to solve for 4x-5=9+2x
Tuesday, June 14, 2016 by Cindy

Math
For the past 5 years, Frank and Peggy have deposited $15,000 in a retirement account with a simple interest rate of 7%. They plan to continue to make annual deposits for the next 20 years. Explain how their money will grow over time. Note: You do not need to extend their ...
Tuesday, June 14, 2016 by Kenneth

Math
How do you fund the fastest increase rate on a function like f(x) = 2cos(2x) ? How about a rational function? Thanks!
Tuesday, June 14, 2016 by ...

Math
Find the function of the sequence. 1.) -1,1,3,5,7 2.)8,-1,-10
Tuesday, June 14, 2016 by Bella

math
four friends shane a box of pens.each 3 pens write and solve the equation to find the number of pens in the box
Tuesday, June 14, 2016 by alyza

Math
in a 6 side polygon, the first two angles are equal. , the third angle is twice the equal angles, two other angles are thrice the equal angles, while the last angles is a right angles, find the value of each angles
Tuesday, June 14, 2016 by Evi

math
compare the future amounts(a)you would have if the money were invested at a simple interest and if it were invested with annual compounding. ( round your answers to the nearest cent.) $7,600 at 15% for 25yrs
Tuesday, June 14, 2016 by kim

math
Find the value of 3/8*1 1/2-15/16
Tuesday, June 14, 2016 by khushi

math trigo
alfa+bita = thita & tan x ratio tan y= x ratio y then prove that sin alfa- bita = x- y ratio x+y sinthita
Tuesday, June 14, 2016 by mehnaj

Math
If substract 7 from 5 times a number is 28
Tuesday, June 14, 2016 by Irfan

Math
The ratio of pedal turns to rear-wheel turns in first gear is 7 to 11. How many times in first gear dose the rear-wheel turn if pedals turn 140 times
Tuesday, June 14, 2016 by Shavonda

math
The sum of 5th term and 24th term is 50 Find the sum of first term and 28th term. Also find sum of 28th term of this sequence?
Tuesday, June 14, 2016 by ramla

Math
On a number line ,what is the length of the line segment joining.3 and -3?
Tuesday, June 14, 2016 by Aanjali

Math
Please help me now this is my homework which I really had a hard time dealing with it. Find the function of the sequence. 1.) -1,1,3,5,7 2.) 8,-1,-10 Please, please help me now!
Tuesday, June 14, 2016 by Bella

math
a right prism of length 10cm has it's cross section,an equilateral triangle of side 6cm.Find it's volume
Tuesday, June 14, 2016 by raymond

Math
solve for the vertex f(X) = (2x-2)squared -3xsquared +6 plss.. solve this for me deadline tomorrow in the afternoon.. need your help ma'am/sir.. thank you. :D
Tuesday, June 14, 2016 by Help Me!!

math
Find the area of a room 5m by 8m.
Tuesday, June 14, 2016 by heizel

math
begnning with temperature of 2 degree,the temperature rises by 8 degree,then drops by 14 degree and finally rises by 2 degree.what is the temperature after the above changes?
Tuesday, June 14, 2016 by ayesha

math
sally knows that she would need $300 in a year's time to buy a new handphone. How much must she deposit in an account that promises a return of 5% so that she would be able to own the handphone? (2%)
Tuesday, June 14, 2016 by math92

Business Math
How long will it take for an investment to double at 7% p.a compounded monthly?
Tuesday, June 14, 2016 by Sarah

math
A circular disc of area 49π sq. meters rolls down an incline of 88 km length. What is the number of revolution it makes during this journey? i) Area of the circle = πr² = 49π m²; solving r = 7 m. ii) So circumference of the circular disc = 2πr = ...
Tuesday, June 14, 2016 by tani

math
In an election for a town mayor there were three candidates A,Band C the votes were shared between the three candidates A, B and C. A received 150% more votes as received by B. B received 50% more votes as received by C. Candidate B received 6186 votes. (a) Find the number of...
Tuesday, June 14, 2016 by Summit

math
10 years ago raj deposited $5000 into an investment account with intrest compound quarterly. for the first 5 years the intrest rate was 6% and for the next 5 years the interest rate changed to 4.5% how much money is in the account now
Tuesday, June 14, 2016 by bobby

math
Please help me to answer.this with solution i need your help please! Thanks! 1) 5/18+2/9= 2) 3 (12/17)= 3) (2/7)÷(5/8)= 4) 3/7-5/9= 5) 12÷2/3= 6) 7/15÷2/3= 7) 3/5-10= 8) 4/15+7/9= 9) 12/21(-3)= 10) (2/5)(5/18)=
Tuesday, June 14, 2016 by mae

math
A circular disc of area 49π sq. meters rolls down an incline of 88 km length. What is the number of revolution it makes during this journey?
Tuesday, June 14, 2016 by tani

Math , new Oxford public school.
Find value of x and y in : 1/7x + 1/6y =3 1/2x - 1/3y =5 BY SUBSITUTING METHOD.
Tuesday, June 14, 2016 by Rishi

Math
If your allowance was doubled everyday, how many days would it take for you to have over $1000(also tell how much you would have for that day added up?) How many days would it take for you to have over $10,000? (and how much for that day?)
Monday, June 13, 2016 by Anonymous

Math
Diameter and length of a roller are 84cm and 120cm .In how many revolutions can the roller level the playground of area 1584m²?
Monday, June 13, 2016 by Sonu

Math
Marie traveled to work (7km) in 25 minutes. What was her speed? I got 16.8km/h but my teacher said it's 28km/h and I have no idea how he got that. Also, how do you calculate average speed when there's more than one speed? (this is just for the next question)
Monday, June 13, 2016 by Emily

math
If there are 150 people born in the world every minute; how many people are born every hour? Day?
Monday, June 13, 2016 by Anonymous

math
1/2 (2x+3y )+12/7 (3x -2y )=1/2 :7/(2x +3y )+4/(3x -2y )=2
Monday, June 13, 2016 by Anonymous

math
A cone-shaped glass and a tin can are filled with water. The height of the cone is 12" (12 inches) and it has a radius of 1.5" (1½ inches). The can is 2 inches high and has a diameter of 4 inches. Which container holds more water? How much more water does the ...
Monday, June 13, 2016 by Kate

Math
who is the basic with 3 feet and the length 6 feet total perimeter 18 feet how do you figure out the area
Monday, June 13, 2016 by Isabella Steinmetz

Math
Lined up 6.7 billion people assume that each person occupied 12inches of the line.how many times around earth would they reach
Monday, June 13, 2016 by Vonn

Math
a man spends 3/5 of his money in food and 1/4 of his money on clothes. if he has £47.40 left how much did he start with?
Monday, June 13, 2016 by Chax

math
what are the solutions to the system? y=x^2 - 6x+7 y=-x+13
Monday, June 13, 2016 by james

Math
Designer Dolls, Inc. found that the number of dolls sold, N, varies directly as their advertising budget, A, and inversely as the price of each doll, P. Designer Dolls, Inc. sold 12,000 dolls when $50,000 was spent on advertising and the price of the doll was set at $50. ...
Monday, June 13, 2016 by Dilly

Math
A bag contains 3 red marbles, 5 yellow marbles, and 4 blue marbles. One marble is chosen at random. What is the probability that the chosen marble will be blue? A) 1/12 B) 1/4 C) 1/3 D) 3/4 I think it is B. 1/4
Monday, June 13, 2016 by Rochelle

math
TWO YEARS AGO, KIM INVESTED RMP AT HER ACCOUNT WHICH EARNS r% simple interest . after eighteen months , she noticed that the amount had become rm 10450 and today amount is rm 10600 . FIND THE VALUE OF p and r
Monday, June 13, 2016 by lia

Math
Richard cuts two of his neighbours lawns. the first is 8m long and 2m wide what is the area? the second lawn takes richard 5 times as long to cut and he knows that all lawns have the same length dimension what is the width of the second neighbour's area?
Monday, June 13, 2016 by PANDA

Math
In the triangle ABC given, side AB is twice as long as side AC. We have: m<BAC=120° mBC= 8cm Determine rounded to the nearest unit, the perimeter of triangle ABC.
Monday, June 13, 2016 by L

math
The chance of a head occurring in a certain biased coin is twice that of the tail occurring if the coin tossed 5 times. What is the probability of at most 1 tail occuring in the 5 tossed?
Monday, June 13, 2016 by Ability E.

math
Is the relationship shown in the table proportional? If so, what is the ratio of dollars to months? | Months | Dollars | | 2 | 100 | | 3 | 150 | | 5 | 250 | | 8 | 400 | (a) proportional; $150 per month (b) proportional; $100 per month (c) proportional; $50 per month (d) not ...
Sunday, June 12, 2016 by Yang

Math
If a missile is launched from a station 300 metres above sea level with an initial velocity of 500 m/s what is the height of the missile after 4 seconds
Sunday, June 12, 2016 by Michelle

math
Tai, Tina, and Torri were the three representatives in a cross country race. Tai finished the race in middle position, Tina finished after Tai, in 19th position and Tori finished in 28th. How many schools took part in the race?
Sunday, June 12, 2016 by I still don't understand how to do this

Math for Business Analysis
Let f (x, y) = xy + 5x + 4y model the utility a consumer feels based on the number of the number of cups of coffee, x, and the number of donuts, y, consumed on a given Thursday. Find the absolute maximum and absolute minimum values of f(x, y) over the triangular region with ...
Sunday, June 12, 2016 by lex.

math
Start with the basic function f(x)=2x. If you have an initial value of 1, then you end up with the following iterations. • f (1) = 2 ⋅1 =2 • f 2 (1) = 2 ⋅2 ⋅1 =4 • f 3 (1) = 2 ⋅ 2 ⋅ 2 ⋅1 = 8 
 1. If you continue this ...
Sunday, June 12, 2016 by leandra

math
√11 real, whole, integer rational or irrational
Sunday, June 12, 2016 by dianne

math
Is -46 real, whole, rational, integer or irrational & why
Sunday, June 12, 2016 by dianne

Math
The ratio of girls to boys is 7:8. the class has 30 students total. How many boys are there???!!! How do I do this ????!!!
Sunday, June 12, 2016 by Anonymous

Math
A tortoise and a hare race against each other. A hare runs at a constant speed of 36 km per hour for exactly ten seconds and waits for the tortoise to catch up. If the tortoise takes two hours to move 1 km, how long will it take to catch up?
Sunday, June 12, 2016 by I still don't understand how to do this

math and science
A space shuttle with a mass of 4,06 X 10kg,orbits earth at a height of 720km above the surface of the earth.calculate the gravitational force experienced by the shuttle
Sunday, June 12, 2016 by Tsuu-mani

math
the angle of elevation of the top of a radio mast from a point 53m from its base on level ground is 61degre. Find the height of the mast to the nearest 5m.
Sunday, June 12, 2016 by melvin

Math
The measure of one angle is 38 degrees less than the measure of its supplement. What is the measure of each angle?
Sunday, June 12, 2016 by Jason

Math
The measure of one angle is 7 times the measure of its complement. What is the measure of each angle?
Sunday, June 12, 2016 by Shaun

math 9
The number of boys is 3 more than double the girls. Together, there are 54 students in total. How many boys and girls are there?
Sunday, June 12, 2016 by Anonymous

Math
if sinx=cosx Then cosecx=????
Sunday, June 12, 2016 by Dilip

math
Tai, Tina, and Torri were the three representatives in a cross country race. Tai finished the race in middle position, Tina finished after Tai, in 19th position and Tori finished in 28th. How many schools took part in the race?
Sunday, June 12, 2016 by Anonymous

math
A tortoise and a hare race against each other. A hare runs at a constant speed of 36 km per hour for exactly ten seconds and waits for the tortoise to catch up. If the tortoise takes two hours to move 1 km, how long will it take to catch up?
Sunday, June 12, 2016 by Anonymous

math
What's kinetic energy in electron volts of triply ion of iron which has been accelerated from rest through a potential difference of 100v?
Sunday, June 12, 2016 by abdalla

Math
Can someone please explain this to me in detail? Thank you! To make 4 3/5 cakes, 2/3 pounds of flour is needed. How much flour is needed to make one cake?
Sunday, June 12, 2016 by Jasmine

math
solve the equation:3(x-2)^2-12=0
Sunday, June 12, 2016 by Andrea

math
If cos A=3/5,cos B =4/5,find the value of cos(A-B)/2
Sunday, June 12, 2016 by eku

math
If sinA=0.8& A lies between 90°and 180° find the value of tan1/2A
Sunday, June 12, 2016 by eku

math
construct two different triangles ABC.In which AB=5cm and angle C=54 degrees. find angles A1 and A2
Sunday, June 12, 2016 by emeka ogbodo

  1. Pages:
  2. <<Prev
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13
  14. 14
  15. 15
  16. 16
  17. 17
  18. Next>>