Saturday
April 30, 2016

# Homework Help: Math

## Recent Math Questions

math polynomials
(3x + 4)(x – 2) how do I solve this?
Tuesday, April 12, 2016 by Raul Resendiz

CONSUMER MATH
The owner of Campus Cafe plans to open a second location on a satellite campus in 5yrs. She buys an annuity that pays 10.5% interest compounded annually A. If the payment is \$4000 a year, find the future value of the annuity in 5yrs. B. How much more interest would be earned ...
Tuesday, April 12, 2016 by Petra

Algebra, math
What happened when 1000 baseballs fell from an airplane?
Tuesday, April 12, 2016 by Maddie

Basic math
a doctor order a dosaga of 5ml of medicine every 4 hours for 14 days how many fluid ounces of medicine should be purchase?
Tuesday, April 12, 2016 by w00pz

math
what is the sum of the digits of the largest even 3 digit number which is not changed when its units and hundreds digit are interchanged
Tuesday, April 12, 2016 by prarthna

math
sarah owns a small business there was a loss of 19 dollars on thursday and a loss of 12 dollars on friday on saturday there was a profit of 15 dollars find the total profit or loss of the four days A- \$35 loss B- \$ 19 profit C- \$ 27 loss D- \$ 57 loss my answer A is it right??
Tuesday, April 12, 2016 by Megan

1.)if an object is dropped from a height of 144 ft the function h(t)=-16t^2+144 gives the height of the object after t seconds. when will the object hit the ground? a.)1.5 seconds b.)3 seconds *** c.) 6 seconds d.)9 seconds 2.) the area of a play ground is 64 square yards. the...
Tuesday, April 12, 2016 by Hannah

Math
9.)Which hill described in the table is the steepest? Explain.' (Table) Street Horizontal Distance (ft) Vertical Rise Dixie Hill 80 40 Bell Hill 80 20 Liberty Hill 80 60 A.)Bell Hill; it rises 1 foot for every 4 feet of horizontal travel. B.)Dixie Hill; it rises 2 feet for...
Tuesday, April 12, 2016 by #FreeGucci

Math
4^4x4^6 A.4^2 B.4^6 C.4^10 D.4^24 Help?
Tuesday, April 12, 2016 by Amber

math
The length of a rectangle is 3 inches greater than the width. Write the polynomials that represent the area of the rectangle a= lxw l=w+3 therefore area= (w+3)(W)
Tuesday, April 12, 2016 by kemi

Math
2.)Geoff planted dahlias in his garden. Dahlias have bulbs that divide and reproduce underground. In the first year, Geoff’s garden produced 4 bulbs. In the second year, it produced 8 bulbs, and in the third year, it produced 16 bulbs. If this pattern continues, how many ...
Tuesday, April 12, 2016 by #FreeGucci

math
the length of a rectangle is 3 inches greater than the width. write the polynomials that represent the area of the rectangle
Tuesday, April 12, 2016 by kemi

Math Help!
Simplify the expression 7^9/7^3 A. 7^3 B. 7^6 C. 7^12 D. 1^6 Help?
Tuesday, April 12, 2016 by Amber

Math Help!
Multiply the following polynomials 1. 2a(a^2+4^a) A. 2a^2+6a^2 B. 2a^3+8a^2 C. 2a+6a D. 2a^3+6a^2 2. (3y)(3y-2) A. 9y^2-6 B. 9y^2+5y C. 9y^2+1 D. 9y^2-6y Not sure? I'm not asking anyone to give me the answer but I don't know how to do this.
Tuesday, April 12, 2016 by Amber

Math
Write a 6 digit whose hundred thousands digit is the greatest digit, the ones digit is the least digits and the rest of the digits are zero. How to write in figure
Tuesday, April 12, 2016 by Rowena

Math
< WXY=113.Use what you know about angles in a parallelogram to find the measure of the other angels <XYZ= <YZW= <ZWX=
Tuesday, April 12, 2016 by Miracle

math
Aryam has 6 coins that have a total value of 56c. list the coins.
Tuesday, April 12, 2016 by firza

math
Find a negative real number such that the square of the sum of the number and 3 is equal to 25
Tuesday, April 12, 2016 by diane

Math
A chord 30cm long is 20cm from the centre of a circle calculate the length of a chord which is 24cm from the centre.
Tuesday, April 12, 2016 by Agape

Math
Is the LCD of x/2x-4 and 5x/12x-24 not 24(x-2)? The original question is x/2x-4 + 5x/12x-24 and I factored the denominators first so that I could find the LCD. And I got: x/2(x-2) + 5x/12(x-2) After that, I multiplied up to the LCD and got: x/2(x-2) + 5x/12(x-2) = x/2(x-2)*(12...
Tuesday, April 12, 2016 by Emily J

math
Alvin can go upstream at a rate of 6 miles per hour and downstream at a rate of 12 miles per hour. One day while Alvin was on the river, he received a call telling him he needs to turn around and come home. So he turned around and went back to his starting point. If his entire...
Tuesday, April 12, 2016 by wendy

math
Find the future value of an annuity if you invest \$200 quarterly for 20 years at 5% interest compounded quarterly.
Tuesday, April 12, 2016 by Cheryl

math
We are planning a reception for our daughter. The hall that we are renting charges a \$70 cleanup fee. In addition to the cleanup fee, they charge \$28 per guest for food and drinks. If we have \$1,800.00 available, what is the maximum number of guest we can invite without going ...
Monday, April 11, 2016 by wendy

math investment problem
If \$4,400.00 is invested at 5% simple interest, how much needs to be invested at 9% simple interest so the total interest per year is \$697.00.
Monday, April 11, 2016 by Anonymous

Math/fraction
The sum of the numerator and denominator is 16
Monday, April 11, 2016 by Desiree

math
Joe junk 8 1/3 feet this was two and two feet further than lay a jump how far did Leia jump
Monday, April 11, 2016 by Anonymous

Math
"Jocelyn has 6 birds, their mean age is 10. The mode of their ages is 8. What might their ages be." I need to figure out all 6 birds' ages, but how would I be able to find the answer?
Monday, April 11, 2016 by Roro

math
14000 6/10 in standard form
Monday, April 11, 2016 by victoria

Ryan is making small meat loaves. Each small meat loaf uses 3/4 pound of meat. How much meat does Ryan need to make 8 small meat loaves
Monday, April 11, 2016 by mercy

Math
the 64 people who answered "yes" to a question, 6 were male. Of the 70 people that answered "no" to the question, 8 were male. If one person is selected at random from the group, what is the probability that the person answered "yes" or was male?
Monday, April 11, 2016 by Help

Math
5. Joe Sullivan invests \$9,000 at the end of each year for 20 years. The rate of interest Joe gets is 8% annually. Using the tables in the Business Math Handbook that accompanies the course textbook, determine the final value of Joe's investment at the end of the 20th ...
Monday, April 11, 2016 by Ashley

Math
Trying to find the volume of a rectangle. The lenght is 8/9 the wideth is 1/6 and the height is 1/3. And can't seem to solve the problem. Can you please help
Monday, April 11, 2016 by Joseph

Ellie and Heather drew floor models of their living rooms. Ellie's model represented 20 feet by 15 feet. Heather's model represented 18 feet by 18 feet. Whose floor model represents the greater area? How much greater?
Monday, April 11, 2016 by Anthony

Math
Seven different models cars, from which there are three blue and four red, are to be parked in a row. Find how many different arrangements there are if no two cars of the same color are to be parked next to each other.
Monday, April 11, 2016 by Hola

Pedro has Abadia back and can only lift 32lbs. He is going hiking and has packed his sleeping bag, two pairs of socks, and 2 bottles with 4 liters of water each. If Pedro is carrying his limit, one pair of socks weighs .8 lbs, and his sleeping bag weighs 3 lbs, how much does 1...
Monday, April 11, 2016 by April

At the beginning of each year for 14 years, Sherry Kardell invested \$400 that earns 10% annually. What is the future value of Sherry's account in 14 years? A. \$14,000 B. \$13,100 C. \$12,309 D. \$12,709 Answer: D? I've calculated several times and come out with C or D ...
Monday, April 11, 2016 by Ashley

Bus. Math help!
A \$104,000 selling price with \$24,000 down at 81∕ % for 25 years results in a monthly payment of 2 A. \$654.60. B. \$546.06. C. \$645.60. D. \$644.80. Answer: C????
Monday, April 11, 2016 by Tally

Chelsea has a hole exactly in the middle of her 15 foot long walk, right where the floor and the wall meet. If the hole is 2.3 feet wide, how far are the edges of the hole from the edges of the wall?
Monday, April 11, 2016 by Cindy

you want to put a place mat that is 11.5 inches long directly in the center of a table that is 40 inches long. How far is the place mat from either edge of the table?
Monday, April 11, 2016 by Cindy

Math
Sally wants to build a fence around her pool. The pool is 26 feet long by 21 feet wide. The fence is to be 15 feet from the edge of the pool. What are the outside dimensions of the area surrounding the pool? How many feet of fencing will Sally need? A.) 41 ft by 36 ft; 77 B.) ...
Monday, April 11, 2016 by Anonymous

Math
Chris just ran four laps around five 500 m track how many kilo meters did Christopher run I just don't understand
Monday, April 11, 2016 by Papaya

Math
mr and mrs smith, their 2 children and fog want to cross a river in a boat that would hold only 80 kg and both mr. amd Mrs Smith have a mass of 80 kg and both the children have a mass of 40 kg and the dog has a mass of 5 kg explain how they can cross the river in the fewest ...
Monday, April 11, 2016 by Steve

Math
A piece of wire 9 m long is cut into two pieces. One piece is bent into the shape of a circle of radius r and the other is bent into a square of side s. How should the wire be cut so that the total area enclosed is: I need help finding the radius and side of the maximum and ...
Monday, April 11, 2016 by Anonymous

Math
Monday, April 11, 2016 by Ceren

Math
The Christmas Day parade in Manhattan, New York started on 145th St. The people walked north on this road for 4 miles. Then they turned on 34th street and walked for three more miles. 34th street has a bearing of N46°E. How far is the parade from their starting point on ...
Monday, April 11, 2016 by Nicole

Math
A jet took of at a rate of 310 ft per second and climbed in a straight path for 2.4 minutes. What was the angle of elevation of its path of its final altitude was 13,000 ft? Don't know what to convert 2.4 mins to. I got sin of the angle of elevation = 13,000/ ?
Monday, April 11, 2016 by Nicole

Math
An airplane flying at 390 mph has a bearing of N 28°W. After flying 3 hours, how far north and how far west has the plane traveled from its point of departure?
Monday, April 11, 2016 by Nicole

Math
What type of relationship is shown between the x- and y-values on the graph?
Monday, April 11, 2016 by Jonah

Math
f(x) = 3cos(x)−cos^3(x) for 0 < x < 2π I need help finding where it increases and decreases and where it concaves up and down. The inflection points I have found are pi/2 and 3pi/2. Help!
Monday, April 11, 2016 by Anonymous

Math
A pitcher of ice-tea is about?
Monday, April 11, 2016 by Kimmy

Math
f(x)=x−9x^(1/3) I need help finding where function increases and decreases. I found the critical numbers which are -3sqrt(3), 3sqrt(3), and 0.
Monday, April 11, 2016 by Anonymous

Math
Points J and K, plotted on the coordinate grid, are two vertices of rectangle JKLM. Rectangle JKLM has an area of 7 square units. Point J is located at (2, 1) and point K is located at (-5, 1). Each vertex of the rectangle is located at a point that has integer coordinates. ...
Monday, April 11, 2016 by Juan

Math
Points J and K, plotted on the coordinate grid, are two vertices of rectangle JKLM. Rectangle JKLM has an area of 7 square units. Point J is located at (2, 1) and point K is located at (-5, 1). Each vertex of the rectangle is located at a point that has integer coordinates.
Monday, April 11, 2016 by Bill

Math
What is 18 millionths written in standard form
Monday, April 11, 2016 by Bob

help my son's math
Jamie won the spelling bee.she completed 8 more rounds than Antonio,who completed three times as many rounds as beth.If beth completed 6 rounds, how many rounds did jamie completed?
Monday, April 11, 2016 by Mark

math
Last week Camille walked on the treadmill for 13 and one fourth hours.She spent the same amount of time on the treadmill each day except Sunday. On Sunday,she spent 1 and one fourth hours walking on the treadmill.How many minutes did she walk on the treadmill on Monday?
Monday, April 11, 2016 by Gabriella Fernandez

Math
How many different sums of money are possible using at least 3 coins from a collection consisting of one penny, one nickel, one dime, on quarter and one loonie?
Monday, April 11, 2016 by Timm

Math
1) A plane is located at C on the diagram. There are two towers located at A and B. The distance between the towers is 7,600 feet, and the angles of elevation are given. a) find BC, the distance from Tower 2 to the plane, to the nearest foot. b) find CD, the height of the ...
Monday, April 11, 2016 by Tim

Math
Marcus wants to put a 6 1/2 foot bookcase against a 12 1/4 foot long wall. If he centers the bookcase, how far will it be from each end of the wall?
Monday, April 11, 2016 by Gianna

Math
What is the sum of all values of k such that the equation 2x^2-kx+8=0 has two distinct integer solutions? Thank you for your help! :)
Monday, April 11, 2016 by Lola

Math
The equation y=-4.9t^2+3.5t+5 describes the height (in meters) of a ball thrown upward at 3.5 meters per second from 5 meters above the ground. In how many seconds will the ball hit the ground? Express your answer as a common fraction. Thank you for your help!
Monday, April 11, 2016 by Lola

Math
A 2009 by 2009 square has its length decreased by 50 and its width increased by 50. By how much does its area change? Thank you for your help!
Monday, April 11, 2016 by Lola

Math
a triangle has vertices at S(1,1), T(2, -3) and U(4, 0). the triangle is translated up 3 units. what are the coordinates of the vertices of the image? A. S(4,1) T(5,-3) and U(7,0) B. S(1,4) T(2,0) and U(4,3) C. S(1,4) T(2,-3) and U(4,0) D. S(1,-2) T(2,-6) and U(4,-3) Point A ...
Monday, April 11, 2016 by Please give me the answers! I'm studying!

math
make a table and graph each quadratic function. use integers from -3 to 3 inputs 1. y=-x^2 2. y=2x^2 3. y=-8x^2 4. x^2 + 2
Monday, April 11, 2016 by samuel

Math
Can anyone help me with this? A homeowner wants to build a circular patio. If the diameter of the patio is 20 feet, what is its area to the nearest whole number? A)1,257 B)314 C)63 D)31
Monday, April 11, 2016 by rebekah

Math
Find how many numbers bigger than 2,999 and less than 8,999 can be formed from the odd digits, if no digits can be repeated
Monday, April 11, 2016 by My question wasn't answered....

Math
Find how many numbers bigger than 2,999 and less than 8,999 can be formed from the odd digits, if no digits can be repeated.
Monday, April 11, 2016 by anon

Hi, I really need help with this. I'm asked to write a paragraph about this. I just need some help working it out so I can get everything correct. I'm not cheating its just confusing this part of the assignment for me. So please help! I also have to study for Math ...
Monday, April 11, 2016 by Music Lover 14

math
How many “words” can be formed using the letters of the word ARRANGEMENT?
Monday, April 11, 2016 by tess

math
The student to teacher ratio is 19:1 at a local school and there is a total of 500 students and teachers. How many teachers and how many students are there. I'm not sure how to begin to set this up since I have two unknowns and not only one.
Monday, April 11, 2016 by Julie

Math
If pasta sells for \$3.55 for a 20-ounce box a. What is the price per ounce? Round to the nearest cent. \$3.55/20 = \$.18 per ounce b. How many ounces do you get per dollar? Round to the nearest tenth of an ounce. I'm not sure how to solve this answer. Thank you.
Monday, April 11, 2016 by Julie

Math
Transform arctan x + arctan y = pi/4 into algebraic expression A) x+xy-y = 1 B) x-xy-y = 1 C) x+xy+y = 1 D) x-xy+y = 1 Plsss help
Monday, April 11, 2016 by Dangdang

math,economics,geography and life science
what courses can i apply for with the following subjects Math Geography Economics Life science
Monday, April 11, 2016 by kgaogelo

A radio signal travels at 3 x 10^8 meters per second. How many seconds will it take for a radio signal to travel from a satellite to the surface of Earth if the satellite is orbiting at a height of 3.54 x 10^7?
Monday, April 11, 2016 by Sydney

Math
What is the smallest fraction you can write using the digits 2, 3, and 4. Is it twenty three fourths?
Monday, April 11, 2016 by Jacey

math!!! help
if 2x^2-(b-4)x-4(b+2)=0 has equal root then.the value of b?
Monday, April 11, 2016 by philip!!!

Math
Please help ! 1.)a catapult launches a boulder with an upward velocity of 122 feet per second. the height of the boulder, h, in feet after t seconds is givin by the function h(t)=-16t^2+122t+10. what is the boulders maximum height ? and how long does it take the boulder to ...
Monday, April 11, 2016 by Hannah

math !
using the following set of data, calculate the lower quartile, the upper quartile, and the interquartile range.20, 22, 25, 28, 29, 30, 32, 33, 34 ? NEED HELP !
Monday, April 11, 2016 by JacqueesWifee

physics
A spring has an unstretched length of 10 cm . It exerts a restoring force F when stretched to a length of 12 cm . For what total stretched length of the spring is its restoring force 3F? At what compressed length is the restoring force 2F? I keep doing this but I do not think ...
Monday, April 11, 2016 by jessica

Math
A man buys a book for P200 and wishes to sell it. What price should he mark on it if he wishes a 40 percent discount while making a 50 percent profit on the cost price? A) 667 B) 567 C) 467 D) 867 But my answer is 300. Plss help.
Monday, April 11, 2016 by Anonymous

Math
A certain ball, when dropped from a height rebounds to one half of the original height.Suppose thos ball is dropped from a point 8ft above the ground, how far has it traveled, counting up and down distance only, when it hits the ground for the eight time?
Monday, April 11, 2016 by Anonymous

math
I am thinking of two numbers.What will my number be if their sum is 5 and their product is 6?
Monday, April 11, 2016 by Keena

Math
A plane flies 430 miles at a bearing of S27°E, then turns and flies N63°E for 135 miles. Find the distance and the bearing from the starting?
Monday, April 11, 2016 by Nicole

Vectors, Math
A is (3, 2) and point B is 4 units from A in the direction (1,-1) Find AB(arrow). Find the coordinates of B. I can't do this question, Ive attempted it many times.
Monday, April 11, 2016 by William

math
the diagonal of a rectangle with side A,B(B>A)makes an angle 60 degree with one of its sides.the ratio of the volumes of the cylinders generated by revolving the rectangle about each of the adjacent sides is
Monday, April 11, 2016 by shaheb

math
Steve runs a kennel and purchases dog food from a U.S supplier. The supplier sells 25 lb bags for \$28.95 U.S Each dog eats about 3.5kg/week and Steve boards an average of 16 dogs per day. How many bags of dog food will he need for 3 months? The answer is 64 bags but I keep ...
Sunday, April 10, 2016 by yvonne

Math geometry
A rectangle is 146cm long. A diagonal makes an angle of 50° with the width. How wide is the rectangle?
Sunday, April 10, 2016 by Jasnoor sidhu

Math
What is the ratio in fraction form for 9 pints to 2 quarts
Sunday, April 10, 2016 by Joseph

Math
A farmer has enough seeds to grow 200 crops of wheat and 300 crops of oats in one season. However, his water supply is limited to growing only 250 crops. Find a system of inequalities that describes the possibilities for his farming.
Sunday, April 10, 2016 by Anonymous

math
15=2^x
Sunday, April 10, 2016 by amire

Math: Trigonometry
Find the sum of the three smallest positive values of x such that 4cos^2(2x-pi) = 3. (Answer in radians.)
Sunday, April 10, 2016 by Katie

math
Robert must read a few books from his home library. He read 4 out of 6 books from the top shelf, then 2 out of 3 books from the middle shelf and then 3 out of 6 books from the bottom shelf. In how many ways can Robert read the books, if different orders in which the books will...
Sunday, April 10, 2016 by yaz

math
A worm is 130 millimeters long. How many centimeters long is the worm?
Sunday, April 10, 2016 by Sereniti

Math
how do the surface areas of the five prisms (triangular, square, pentagonal, hexagonal, and octagonal) compare as the number of faces in the prisms increases? I had to make prisms out of construction paper of the same size, but I think my measurements are off. I do not have ...
Sunday, April 10, 2016 by Jace

A submarine descends below the oceans surface at a rate of 75 feet per minute. How naby feet below the iceabs surface will the submarine be in 12 minutes
Sunday, April 10, 2016 by zaire

Math :)
Since the purpose of an ice cube is to keep a drink cold, is it better for an ice cube to have a high volume or a low volume? I thought that the higher the volume, the longer the amount of time the ice cube does NOT melt. Which one is best? Thank you. :)
Sunday, April 10, 2016 by Mariana W.

Math
Jake is on the Appalachian Trial hiking. He hikes 8 miles due north and then turns and hikes an additional 10 miles at a bearing of N 67°W at which point he has reached a vista, eats lunch, and decides to bushwhack directly back to the trailhead. How far is he now from the...
Sunday, April 10, 2016 by Nicole

Math
1. Determine which ordered pair is a solution of y = x^2-2 (5, 21), (–5, 24), (–1, –1), •• (–2, 6) 2. Without graphing, tell whether the line containing (6, –3) and (0, –8) is horizontal, vertical, or neither I think it's horizontal ...
Sunday, April 10, 2016 by Queen

Math
I need Help! ---------------------------------- 1.Peeta walked 8 miles. He stopped every 3/4 of a mile to eat a cookie. How many cookies did he eat during his walk? 2.What fraction is the same as the division problem below? A.8/3 B.5/8 C.8/2 D.3/8 3.Which division problem is ...
Sunday, April 10, 2016 by Bonny the Horse

Math 143
What is the probability of not rolling a number larger than 4 with a fair die?
Sunday, April 10, 2016 by Lucy