Thursday
February 23, 2017

Homework Help: Math

Branches of Math

Recent Math Questions

math
how many stemps that 1.5*1.5 will fit on pieces of paper that 9*12 inch?
Saturday, January 7, 2017 by sk

Math
Mrs. Beck paid a total of $34 for 4 identical bowls and 2 identical plates. A bowl cost $4 more than a plate. How much did she pay for each bowl?
Saturday, January 7, 2017 by Marc

Math
The total weight of a basket of 9 melons is 19 kilograms 250 grams. If basket weighs 1 kilogram 250 grams,and each melon had the same weighs,how much does each melon weigh?
Saturday, January 7, 2017 by Isabella

Math
The total weight of a basket of 9 melons is 19 kilograms 250 grams. If basket weighs 1 kilogram 250 grams,and each melon had the same weighs,how much does each melon weigh?
Saturday, January 7, 2017 by Isabella

Math
Translate this phrase into an algebraic expression. 49 decreased by twice Vanessa's savings Use the variable v to represent Vanessa's savings.
Saturday, January 7, 2017 by Anna

Math
How many different 3-digit numbers can be formed from the number 1,2 and 3 if the digits do not repeat in the numbers?
Saturday, January 7, 2017 by Christian

math
A market research company conducted a survey to find the level of affluence in a city. They defined the category "affluence" for males earning $100,000 or more annually and for females earning $80,000 or more annually. Out of 267 persons who replied to their survey, 32 are ...
Saturday, January 7, 2017 by rrd

Math
You spin the spinner once (1-6) and roll a number cube (1-6) once. Find the probability that the spinner stops on the same number that you roll with the number cube.
Saturday, January 7, 2017 by Doey

math
With 300 dollars one will have to buy total 30 items. If price of a exercise book is 30 dollars, price of pen is 24 dollars and price of a pencil is 6 dollars, and if that person is bound to buy at least one of each item, how many exercise books, how many pens and how many ...
Saturday, January 7, 2017 by Anonymous

Math
A rectangular football field, including both end zones, is 120 yards long. The field has an area of 57,600 ft.². What is the width of the field in feet.
Saturday, January 7, 2017 by Bobby

Math
To begin with the amount of lemonade in a jug was 5 times the amount in a cup. Another 15th was then poured into each if the containers.The amount of lemonade in the jug was then 3 times the amount in the cup. How much lemonade was in the jug to begin with?
Saturday, January 7, 2017 by Bob

math
"Colin worked 1 and 1/6 hours on his homework. about how long did he spend on his homeowrk?
Saturday, January 7, 2017 by jayden

math
The angle of an elevation of the top of a radio mart from a point 53meter from its base on ground level is 61degrees ,find the height of the mart to the nearest whole number.
Saturday, January 7, 2017 by Amanda

math
In an election there were 2 candidates the winner poled 53% votes and won by 9600 votes find total number of votes
Saturday, January 7, 2017 by rahul

Math
ABCD is a rectangle of area 72 square centimeters. The length of AD is 3 times the length of AE. BF= 8cm Find the width of the triangle
Friday, January 6, 2017 by Mare

Math
3/4______ months
Friday, January 6, 2017 by Brahmleen

Math
The sum of squares of two numbers is 520 and there difference is 4 what is smaller number.
Friday, January 6, 2017 by Aditya

Math
A toy maker packed 29 boxes with 9 tops each and had 3 top left. How many more boxes of tops would he have if he had packed 3 tops into esch box instead?
Friday, January 6, 2017 by Veronica

Math
Holly left her apartment and walked up 3 floors to return a book to Kayla. She then went down 4 floors to Paige's place to get the class noted from her. Finally?Holly walked up 2 floors to look for Jenna, who was not home. If Jenna lives on tje eighth floor, which floor does ...
Friday, January 6, 2017 by Veronica

Business Math
If $4000 is deposited at the end of each year in an account that earns 6.2% compounded semiannually, how long will it be before the account contains $120,000?
Friday, January 6, 2017 by Sophie

Math
Need to build a rectangular garden on an area of 8,000 sf. What are the dimensions?
Friday, January 6, 2017 by Anonymous

Math
–5p > –55 I have no idea what this means, im assuming I have to find p but i dont know even.. how to find p??? theres no instructions on how/what to do so if someone could explain to me what this is I would appreciate it soooo much
Friday, January 6, 2017 by Meow

Math
The pH of a solution ranges from 0 to 14. An acid has a pH less than 7. Pure water is neutral and has a pH of 7. The pH of a solution is given by pH = -logx where x represents the concentration of the hydrogen ions in the solution in moles per liter. Find the pH if the ...
Friday, January 6, 2017 by lili

math
The measurements in the list below have a characteristic in common. 6x5 2 miles 6x5 72,000 inches 6x5 3,000 feet Which statement describes the common characteristic? A Each measurement is greater than 4,000 yards. B Each measurement is equivalent 1,760 yards. C Each ...
Friday, January 6, 2017 by joe

Math--linear systems
A local hardware store sells three types of boxes; small, medium and large. The cost of the boxes are; small $10, medium $20 and large $30. In the previous week a total of 1200 boxes were sold resulting in proceeds of $20 000 for the week. The number of small boxes sold was ...
Friday, January 6, 2017 by R

Math
∫ (4x+4)(x^2-2x-3)^2/3 dx
Friday, January 6, 2017 by R

math
A tree that is 3 feet tall is growing at a rate of 1 ft per year. A 5 ft tree is growing at a rate of 0.75 ft per year. The ordered pair (t, h)(t, h) represents the time, t, at height, h. Which ordered pair represents the year when the trees will be the same height? A. (6, 9) ...
Friday, January 6, 2017 by Jay

Math
How can I write (1+i)^101 in its simplest form? The answer is: 2^50(1+i), but I do not know how to get to that.
Friday, January 6, 2017 by Victoria

math
the perimeter of a isosceles triangle is 28cm with side 4y=6y-2x+1 and base x+2y in cm, find x and y and state the length of the side of the triangle.
Friday, January 6, 2017 by precious

Math
Compute the amount of interest earned in the following simple interest problem. A deposit of $8,000 at 9.5% for 120 days.
Friday, January 6, 2017 by Not Jake from State Farm

math
how much border do I need for a rectangular room that is 10 feet by 15 feet to cover the entire room?
Friday, January 6, 2017 by Mario

Math
One third of a number divided by itself gives 1/3. Find the number.
Friday, January 6, 2017 by Anonymous

Math
The average of third number is 29 if the average of two number is27 .find the third number ?
Friday, January 6, 2017 by Anonymous

math
a triangle has sides f length xcm,(2x-1)cm and (2x+1)cm. If its perimeter is 40, state the size of the largest angle of the triangle giving reasons
Friday, January 6, 2017 by triz

math
five years ago, a mother was twice as old as her son. In 6 years time, the sum of their ages will be 82. Fiind their present age.
Friday, January 6, 2017 by triz

math
The pricing policy of a company follows the demand equation p=D(x). D(x) being the price per unit when x units are demanded. After studying the market trends the company determines the price function that is given by D(x)= 2000-4x. If the product is to be marketed the company...
Friday, January 6, 2017 by David

Math
Two pails contained a total of 21.8 liters of water. After 0.36 liters of water is poured from the small pail into big pail, the amount of water in the big pail is 9 times that in the small pail. How much water was in each pail at first?
Friday, January 6, 2017 by Caden

Math
Write an inequality for the following statement 9 is greater than b
Thursday, January 5, 2017 by Kelley

Math
I need help solving equation it says to round to the neatest hundredth if needed the problem is 9- 6(1-5a)=-26
Thursday, January 5, 2017 by Nick

Math
There are 12 girls and 18 boys in a class. What is the largest number of groups they can be split into and have the same number of boys and girls on each team?
Thursday, January 5, 2017 by Tonya

Math
Write a real world problem for the equation 3+x=8
Thursday, January 5, 2017 by Jerry

MATH
How do I find 30% of 50?
Thursday, January 5, 2017 by Kim

math
y=1/2x + 3/4 6x+8y=10 Only looking for X Step's in what i did 1.~6x+8(1/2x + 3/4)=10 2.6x+ 8/2x + 24/4 =10 3.(2)(6x+ 8/2x + 24/4 =10)(2) 4.12x+8x+ 24/4=20 5.20x+6=20 6. 20x=14 7. x= 14/20 I don't know what i did wrong. Please help me and if you don't understand the problem I ...
Thursday, January 5, 2017 by edgard

Math
The sum of two numbers is 94.6. If one number is 19 times the other, what are the two numbers? Please explain how to solve. Thanks
Thursday, January 5, 2017 by Caden

Math
If a boy run at the rate of 10km/h then whow long will he take to cover a distance of 450 m
Thursday, January 5, 2017 by Anonymous

Math
If you use $63.00 divided by nine is seven dollars greater than or less than the exact answer explain
Thursday, January 5, 2017 by Mathew spisla

math
Every night when Isabella came home from work she put any change she had in her pockets into a jar. One day she wanted to know how much change she had in her jar. She noticed that she had two more nickels than twice the number of dimes, and eight fewer quarters than twice the ...
Thursday, January 5, 2017 by bobby

Math
The baseball team won 6 games more than they lost if the team won 18 games about what percent of the games did they lose
Thursday, January 5, 2017 by Chelsea

Math
I dare someone to do 368.7 divided by 18. Use compatible numbers! I❤U guys!
Thursday, January 5, 2017 by Vivica

Math
I am a polygon. The sum of my angles equals 180. I have two sidesthat are congruent. What am I?
Thursday, January 5, 2017 by Anonymous

math
51 is the product of Rhonda's age and 3.
Thursday, January 5, 2017 by Anonymous

math
Two trucks are traveling in the same direction, one going twice as fast as the other. At the end of 6 hours they are 204 miles apart. How fast is each travelling? Can you guys show me the answer i got 68 and 146 but its wrong
Thursday, January 5, 2017 by allie

Math
Hi I am after some help starting this question. A local hardware store sells three types of boxes; small, medium and large. The cost of the boxes are; small $10, medium $20 and large $30. In the previous week a total of 1200 boxes were sold resulting in proceeds of $20 000 for...
Thursday, January 5, 2017 by G

Math
A trail mix contains peanuts, chocolate pieces, and raisins. There are twice as many raisins as chocolate pieces. There are 20 less peanuts than raisins. In total, the mix contains 200 trail mix pieces. Write an equation in terms of r (the number of raisins) to represent this ...
Thursday, January 5, 2017 by Jamie

Math
One of the largest pumpkins ever grown weighted 4/5 ton. About how much did the pumpkin weight.
Thursday, January 5, 2017 by Anonymous

Math
One of the largest pumpkins ever grown weighted 4/5 ton. About how much did the pumpkin weight.
Thursday, January 5, 2017 by Anonymous

Math
If it is 4:00 p.m. then what time is 17 hours ago? Is it 11:00 pm?
Thursday, January 5, 2017 by Vivian

Math
In a school of 350 student there are 40 more girls than boys , how many girls are there? And how many boys are there?
Thursday, January 5, 2017 by Ardenique

math
find the median, mode and range for 28, 61,19,43,89,126.
Thursday, January 5, 2017 by fardowsa

seven lakes junior high school Math
A figure is reflected from Quadrant II to Quadrant III. Is it a x-axis or a y-axis.
Thursday, January 5, 2017 by Ephraim Ehondor

math
Clay earned $2,600 last he paid $234 for entertainment. What percent of his earnings did clay pay in entertainment expenses?
Thursday, January 5, 2017 by Jan

Math
Your lunch bill is $19.75. A 5% sales tax will be added, and you want to give a tip of about 20% of $19.75. Estimate how much you will pay for lunch.
Thursday, January 5, 2017 by ...

Math
use the digits 6 7 8 and 9 to make a problem with the largest product possible
Thursday, January 5, 2017 by Christina

math
Only two forces act on an object (mass=3.19 kg), as in the drawing. Find (a) the magnitude and (b) the direction (relative to the x axis) of the acceleration of the object.
Thursday, January 5, 2017 by Thomas

Math
A rectangle made of square tiles measures 8 tiles wide and 10 tiles long. What is the length in tiles of a similar rectangle 12 tiles wide?
Thursday, January 5, 2017 by Annika

Math
Currently, you have $80 and your sister has $145. You decide to save $6 of your allowance each week, while your sister decides to spend her whole allowance plus $7 each week. How long will it be before you have as much money as your sister?
Thursday, January 5, 2017 by Jared

Math
Julie has 8 more than three times as many quarters as dimes. The total value of the coins is $12.20. How many of each kind of coin does she have?
Thursday, January 5, 2017 by Ryan

Math Calc
Find the x-coordinates of any relative extrema and inflection point(s) for the function f(x) = 3x(1/3) + 6x(4/3). You must justify your answer using an analysis of f '(x) and f "(x) I got -1/8 for a minimum point and 1/4 for inflection is this right? Do I need a y value?
Thursday, January 5, 2017 by Ke$ha

Math
A group orders three large pizzas. Each slice represents 1/12 of the entire pizza. The group eats 3/4 of the pizza. How many slices of pizza are left? Justify your answer
Thursday, January 5, 2017 by Papa

Math
A map uses a scale of 3/4 cm: 10 miles. If 2 cities are 4 cm apart, what is the actual distance?
Thursday, January 5, 2017 by Ava

Math
A painter mixed 56 quarts of blue and yellow paint using a ratio of 3 blue to 11 yellow how many quarts of blue paint were used
Thursday, January 5, 2017 by Leland

math
Shawna looked at a study on mortality rates for men and women aged 65 to 74. When the researchers looked at calories of sweeteners consumed per day by women as the explanatory variable, they got a regression equation of ŷ = - 40.857 + 0.704x with r = 0.74. The percent of the ...
Thursday, January 5, 2017 by rrd

math
Determine whether the system of linear equations has one and only one solution, infinitely many solutions, or no solution. 5/4x − 2/3y = 8 1/4x + 5/3y = 7 Find the solution, if one exists.
Thursday, January 5, 2017 by Melissa

math
Determine whether the system of linear equations has one and only one solution, infinitely many solutions, or no solution. 3x − y = −3 6x − 2y = 8 a) one and only one solution b) infinitely many solutions c) no solution can you please show the work
Thursday, January 5, 2017 by Melissa

math
The study on calories burned per minute of walking, depending on weight, has a regression equation of ŷ = 1.0 + .06x. The predicted number of calories burned in a minute of walking for a 180 pound person is_____
Thursday, January 5, 2017 by rrb

math
A diesel engine's piston compresses 16 cm3 of fuel-air mixture into 1 cm3. The pressure changes from 1 atmosphere to 48 atmospheres. If the initial temperature of the gas was 305 K, what was the final temperature?
Thursday, January 5, 2017 by okay

Math
I'm in seventh grade and working on this math test based on lines and planes. I'm stuck on this one question and I don't understand what the question is asking me to do. The question is: Identify a segment skew to GH. I am not asking for the answer, I am just asking what the ...
Thursday, January 5, 2017 by DustyRose<3

math
In the figure, ABCD is aparallelogram in which BCis produced to E such thatCE = BC. AE intersects CDat F. Show that ar (∆BDF)= 14ar (ABCD).
Thursday, January 5, 2017 by rosy

math
The angle of elevation of the top of a building from a point 10m away in level ground is 30.calculate the height of the building
Thursday, January 5, 2017 by Anonymous

math
Scientists are experimenting with a kind of gun that may eventually be used to fire payloads directly into orbit. In one test, this gun accelerates a 7.9-kg projectile from rest to a speed of 2.8 × 103 m/s. The net force accelerating the projectile is 6.7 × 105 N. How ...
Thursday, January 5, 2017 by Thomas

math
A person in a kayak starts paddling, and it accelerates from 0 to 0.614 m/s in a distance of 0.372 m. If the combined mass of the person and the kayak is 61.0 kg, what is the magnitude of the net force acting on the kayak?
Thursday, January 5, 2017 by Thomas

math check my answer ?
What is the range of f(x)=−3x−1? the set of real numbers less than 0 the set of real numbers greater than 0 the set of real numbers greater than −1 the set of real numbers less than −1 <my choice
Thursday, January 5, 2017 by Vicky

math
Jaya had three ribbon with her. The length of the green ribbon was 12 metres 50 cm. The red ribbon was 3/4 of the lengh of the green ribbon. The yellow ribbon was 5/2 times the red ribbon.what is the length of the yellow ribbon? Give me the solution in detail
Thursday, January 5, 2017 by Tehzeeb

math
Construct a right triangle whose base is 12cm and sum of its hypotenuse and other side is 18cm
Thursday, January 5, 2017 by lakshay

math
Rewrite the set Q by listing its elements. Make sure to use the appropriate set notation. Q={x|x is an integer and -4<x<-2}
Thursday, January 5, 2017 by Brenda

Math
If frank earned in a simple interest for oneyear on an investment of 9000 .what annual rate of interest was paid
Thursday, January 5, 2017 by Anonymous

math
Consider a box that contains 14 red balls,12 blue balls and 9 yellow balls.A ball is drawn at random and the color is noted and then put back inside the box.Then,another ball is drawn at random.Find the probability? a.both are blue b.both balls are yellow c.the first is red ...
Thursday, January 5, 2017 by Anonymous

Math
Girlie can make five rag dolls from six discarded socks .Write four ratios equal to this.
Thursday, January 5, 2017 by Charir

MATH
SIMPLIFY:p^2+pq-6q^2/p^2-3pq+2q^2
Thursday, January 5, 2017 by EMMA

Math
What is the missing number 3, 5, 8, ?, 18, 24 Please write down the pattern, how you got the answer
Thursday, January 5, 2017 by Carol

Math Calc
Which of the following statements is/are true 1. If f'(c)=0 then f has a local maximum of minimum at x=c 2. If f is continuous on [a,b] and differentiable on (a,b) and f'(x)=0 on (a,b) then f is constant on [a,b] 3.The Mean Value theorem can be applied to f(x)=1/x^2 on the ...
Thursday, January 5, 2017 by Ke$ha

Math Calc
Given f'(x)=(x-4)(6-2x) find the x-coordinate for the relative minimum of the graph f(x). OPTIONS: 8 6 3 None of these I think it is 3, but I am also conflicted to say none of these because I graphed the function and ant see a minimum.
Thursday, January 5, 2017 by Ke$ha

Math Calc
given the relationship 2x^2 + y^3 =10, with y > 0 and dy/dt = 3 units/min., find the value of dx/dt at the instant x = 1 unit. SUPER CONFUSED DONT GET THE EQUATION!!!!!!!
Thursday, January 5, 2017 by Ke$ha

math
What is the missing number 3, 5, 8, ?, 18, 24
Thursday, January 5, 2017 by Carol

Math!!!
Let z=-8+15i and w=6-8i. Compute zz/ww (each of the second ones, z and w, have a bar over them) where the bar represents the complex conjugate.
Wednesday, January 4, 2017 by Mark

Math
What constant must we place in the question markbelow in order to be able to factor the resulting expression into the product of two linear factors: 2mn - 16m - 7n + ?
Wednesday, January 4, 2017 by Mark

math
if A+B+C=π prove that sin(B+2C)+sin(C+2A)+sin(A+2B)=4sin(B-C)/​2 sin(C-A)/2 sin(A-B)/2
Wednesday, January 4, 2017 by rabin

Math
Find the average rate of change in height of the orange from t=2 to t=5 (in feet per second) The equation is h (t)=605+15t-4.9t^2 in feet. I know the the average rate of change is change in q/ change in time. Do I put t=3 and subtract the quantity of 5 and 2 in the formula for...
Wednesday, January 4, 2017 by John

Math
In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and its riders from rest to 46.6 m/s in a time of 6.82 s. The mass of the car and riders is 6.72 × 103 kg. Find the average net force exerted on the car and riders by the ...
Wednesday, January 4, 2017 by Thomas

Math
For what real values of c is x^2 + 16x + c the square of a binomial? If you find more than one, then list your values separated by commas. Need help...
Wednesday, January 4, 2017 by Aidan

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