Saturday
July 4, 2015

# Homework Help: Math

## Recent Math Questions

math
375Change 37.5% into lowest fraction I know 37.5/100 = 0.375 please help me
Friday, April 3, 2015 by Lakshmi

Math
Mrs. Hart, at age 65, can expect to live for 25 years. If she can invest at 5% per annum compounded monthly, how much does she need now to guarantee herself $900 every month for the next 25 years? math - Reiny, Friday, April 3, 2015 at 3:05pm Present Value = 900(1 - 1.0041666... Friday, April 3, 2015 by Judy math- please help me Stereo Inc. sells a stereo system for$300 down and monthly payments of $40 for the next 2 years. If the interest rate is 3.25% per month, find: a) The cost of the stereo. b) The total amount of interest paid. I am having trouble figuring out the correct layout. Friday, April 3, 2015 by Kris Math 1) What is the mean of the set of the following data? 9,7,14,11,14,15,14 A)12 B)13 C)14 D)15 2)What is the median of the following data set? 9,7,14,11,14,15,14 A)7 B)9 C)11 D)14 Friday, April 3, 2015 by Amber Math Describe how to find the range of a set of data. Friday, April 3, 2015 by Amber math how do you write a system of equation that is linear ? can this two equation work? 2x – 3y = –2 4x + y = 24 Friday, April 3, 2015 by TD Math Zach's book weight 1.32Kg what is the mass in grams of his book Friday, April 3, 2015 by Student math miss guy is going to build a pen for her puppy. she has 50 feet of fencing to use. figure out some ways she can set up the pen and use all fencing. what are the dimension of the rectangular pen with the most space area for the puppy? Friday, April 3, 2015 by thania math a class wanted to cover part of their wall with beatiful tiles, the tiles are square ,one foot on each side ,if the wall to be covered is in the shape of a 10 foot by 12 foot rectangle ,how many tiles will be needed to cover the wall ? Friday, April 3, 2015 by thania math Mrs. Hart, at age 65, can expect to live for 25 years. If she can invest at 5% per annum compounded monthly, how much does she need now to guarantee herself$900 every month for the next 25 years?
Friday, April 3, 2015 by Judy

Math
a 6,000 seat theater has tickets for sale at $26 and$40 . How many tickets must be sold at each price for a sell out performance to generate a revenue of $190500? Friday, April 3, 2015 by Tiffany Math the box and whisker plot show data for the test scores of four groups of students in the same class. which plot represents a group with a median grade below 65? (Posting plots in comments) I was thinking its A, but i'm not sure. Friday, April 3, 2015 by Jason math Which of the following fraction is greatest? 3 2 1 4 __ __ __ __ 7 5 4 9 please show me Friday, April 3, 2015 by Lakshmi math Sort these fractions in increasing order 1 5 7 3 __ __ __ __ 2 8 8 4 Friday, April 3, 2015 by Lakshmi math Brandon bought his car for$800 and sold it later for $1000 after a week. How much % profit did he make? Friday, April 3, 2015 by Lakshmi Math - Help Please Stereo Inc. sells a stereo system for$300 down and monthly payments of $40 for the next 2 years. If the interest rate is 3.25% per month, find: a) The cost of the stereo. b) The total amount of interest paid. I am having trouble figuring out the correct layout. Friday, April 3, 2015 by Kris math i am number between 35 and 45 i am completely divisible by 13 find the number Friday, April 3, 2015 by yash Math If I know all 3 angles of a right triangle and the hypotenuse how do I figure out the short side length of the triangle? Friday, April 3, 2015 by Steve 6th Grade Math ASAP!!! Hi, I really need help!! I got a complex figure. The figure looks like the letter E. Just take out the middle line and that's my figure. Its base is 69 m, its height is 31 m, it's middle has 12 m, and 23 m. Friday, April 3, 2015 by MusicLover14 Math Find the coordinates of the image of point R(3, -5) rotated 180 about the origin. I think the answer is (-5,-3) Friday, April 3, 2015 by Lost 6th Grade Math Help Hi, I really need help. The question is find the area of the parallelogram which is not drawn to scale. I think the base is 24 cm, the height 9 cm, and the left side that's kind of cut slanted is 8 cm. Please help! Thanks! Friday, April 3, 2015 by MusicLover14 math How to solve this? 1 / x * 5 / 13 = 5 / 286 Friday, April 3, 2015 by Priyanka math A gallon of water weight 8,3 kg. A cubic foot of water weight about 62 Kg. How many gallons of water would fill a cubic foot container ? My answer is 62/8,3 = 7,46 gallons. Is it right ?? Please, help my son. Friday, April 3, 2015 by Iman math If y varies inversely as x, and y = 12 when x = 6, what is K, the variation constant? A. 1⁄3 C. 72 B. 2 D. 144 Thursday, April 2, 2015 by Anonymous math i am a number between 22 and 30 the sum of my digit 9 and different is 5 who am i? Thursday, April 2, 2015 by yasn Math 222 Please check this to see if I am doing it correctly. g^2-6g-55/ g g=0 Because you can not divide by zero Thursday, April 2, 2015 by Raven Math 222 I need someone to check this to see if I am doing it correctly. k^3+k k^2+k-42 k(k^2+1) (k+7)(k+6) k=-7 k=6 (-0,-7)(-7,6) (6,0) Thursday, April 2, 2015 by Raven Math You work 40 hours/week for 52 weeks and are given the option to be paid hourly or to go on salary. In which situation will you earn the most? •$30,000/year • $15.00/hour •$30,000/year with a 10% bonus • $15.00/hour and a$2,000 bonus at the end of the year
Thursday, April 2, 2015 by Anonymous

Math/Calculus
Solve the differential equation y'=3t^2+4. Solve the initial value problem y(0)=3. Separation of variables! My work: dy/dt= 3t^2+4 dy= 3t^2+4 dt Then you integrate both sides. ∫ dy= ∫ 3t^2+4dt Question: is there a 1 in dy? ( ∫ 1dy)? If so: y+C1=t^3+4t+C2 ...
Thursday, April 2, 2015 by Sarah

Math
The length of a classroom is 34 ft. What is this measurement in yards and feet?
Thursday, April 2, 2015 by Kee-Kee

Sheds R Us sells $600 sheds on a monthly payment plan over 2 years. a) If the interest rate is 1.5% per month, find the monthly payment. Answer =$ b) If instead the interest rate is 1.75% per month, find the monthly payment Answer = $can anyone help me with which format i ... Thursday, April 2, 2015 by Mimi Math Given the two-way relative frequency table below, which of the following statements is correct? Autumn Winter Spring Summer Total Male 0.10 0.08 0.11 0.16 0.45 Female 0.14 0.12 0.05 0.24 0.55 Total 0.24 0.20 0.16 0.40 1 A. The largest percentage of people surveyed chose winter... Thursday, April 2, 2015 by Ciaria Math The volume of a rectangle prism with a square bases is 5880 cubic inches and it's height is 30 inches. Find the side length of the square base? 5880\30 = 196 square = side length of 14 Thursday, April 2, 2015 by Jake math Rick spent$3000 of his salary on furniture and 1/5 of his remaining salary on shoes. If he had 2/5 of his salary left in the end, how much was his salary?
Thursday, April 2, 2015 by Bob-Bob

math
ball a weighs 1 1/2 times as much as ball b. find all combinations of ball a and ball b that will be needed to balance 10 ball b?
Thursday, April 2, 2015 by Bob-Bob

Math
Sally had ten $10 bills. She saved 3/5 and spent 2/5. how much did she save?__ How much did she spend?__ I'm very confused on this one two. Thursday, April 2, 2015 by Zoe math Beth & J had$2880. Beth gave 1/4 of her money to J. Then J gave 1/3 of the total amount she had to Beth. In the end, both girls had same amount of money. 1 - how much money did beth have at first? 2- how much money did J had at first?
Thursday, April 2, 2015 by Bob-Bob

math
1/4 of henry sticker is equal to 2/3 of daisy. difference in number of sticker each of them has is 135. how many stickers do they have in all?
Thursday, April 2, 2015 by Bob

Math
The price of a movie ticket is half the normal price on Tuesday. If the normal price is $8.50, how much would 4 tickets cost on Tuesday? We have to make it so you're multiplying fractions, not some other way. I really don't get it.! Thursday, April 2, 2015 by Zoe math Sam and Jill had 576 stamps in all. Sam gave 1/7 of his stamps to Jill. Then Jill gave 1/4 of the total number of stamps she now had to Sam. In the end, both of them had the same number of stamps. What was the difference in the number of stamps they each had at first? Thursday, April 2, 2015 by Bob math Esth had five times as many cards as Rich. Esth gave 1/4 of her cards to Rich. Rich. gave 1/6 of his cards to Esth in return. In the end, Esth had 90 cards more than Rich. How many cards did Esth have at first? Thursday, April 2, 2015 by Bob math Which of the following fraction is smallest? 3 2 1 4 __ __ __ __ 7 3 9 11 show your work Thursday, April 2, 2015 by Lakshmi 5th Grade Math Jason and Doug competed in the long jump at a track meet. Jason long jump was 98 inches. Doug long jump was 3 yards. How much longer was Doug jump than Jason Jump? would this answer = to 10 if not please can you show me the steps so I can understand, Thursday, April 2, 2015 by Kee-Kee Math 84 is no less than 7 times than a number k Thursday, April 2, 2015 by Zero Math Sarita used 54 ounces of apples to make an apple pie. How many pounds and ounces of apples did Sarita use? Thursday, April 2, 2015 by Kee-Kee Math Please tell me if i got this right... Fill in the blanks... “The __Sum__ of the length of the hypotenuse of a __Right__ triangle is equal to the __Sum__ of the squares of the __Length__ of the other two __Sides__.” Thursday, April 2, 2015 by Dan math Solve the set of linear equations by the matrix method : a+3b+2c=3 , 2a-b-3c= -8, 5a+2b+c=9. Solve for a Thursday, April 2, 2015 by azeez math what is another way to equal 40 and i already have 10•4•1, 20•2•1,5•4•3,40•​;1•1,10•2•2? Thursday, April 2, 2015 by bret math- please help me Sheds R Us sells$600 sheds on a monthly payment plan over 2 years. a) If the interest rate is 1.5% per month, find the monthly payment. Answer = $b) If instead the interest rate is 1.75% per month, find the monthly payment Answer =$ can anyone help me with which format i ...
Thursday, April 2, 2015 by Mimi

Math
William solves the equation 5(3x-2)=15x-2. How many solutions does he find? A.0 solutions B.1 solution C.2 solutions D.Infinitely many solutions I'm only up to making it to: 15x-10= 15x-2 I was also wondering if I did anything wrong.
Thursday, April 2, 2015 by Rabie

math
Tall versus Short All tall 787 tall 277 short Smooth versus Wrinkled Seeds All smooth seeds 5,474 smooth 1,850 wrinkled Yellow versus Green Seeds All yellow seeds 6,022 yellow 2,001 green From the table and the theoretical results answer questions 1 and 2. 1) Assume that we ...
Thursday, April 2, 2015 by rob

math help`
is it true that no matter what the ordered pair is that parallel lines have the same slope and perpendicular lines some is always -1
Thursday, April 2, 2015 by math help

math
Question:write a system of equation that is linear. can this two equation work? 2x – 3y = –2 4x + y = 24
Thursday, April 2, 2015 by TD

Math
For question 10 here: hs.lindenwold.k12.nj.us/ourpages/auto/20​09/6/5/49719605/Chapter%2012%20Review.rt​f I have these answer choices: a. glide reflection symmetry b. no symmetry c. glide reflection and translation symmetry d. translation symmetry Is answer C correct?
Thursday, April 2, 2015 by Anonymous

Math
Help, Divide 50 by half, and add 20. I do not understand.
Thursday, April 2, 2015 by Anon

math
The sum of two numbers is 33. The sum of the smaller and 3 times the larger is 81. Find the numbers.
Thursday, April 2, 2015 by Anonymous

In the diagram below, we have DE = 2EC and AB = DC = 20. Find the length of FG. I have no idea how to do this. I did a problem almost exactly the same and approached it the same way, it did not work.
Thursday, April 2, 2015 by Gem

In triangle ABC, we have <BAC = 60 degrees and <ABC = 45 degrees. The bisector of <A intersects line BC at point T, and AT = 24. What is the area of triangle ABC? How should i approach this?
Thursday, April 2, 2015 by Gem

In a triangle, we have <ABC = <ACB = <DEC=<CDE, BC = 8, and DB = 2. Find AB. How should i approach this? will sss similarity work?
Thursday, April 2, 2015 by Gem

Math, Science
A woman throws a 0.25 kg ball straight up in the air with a initial speed of 15 meters per second. how far above the woman will the ball go before it starts coming back down?
Thursday, April 2, 2015 by Wyatt Bendickson

Math
2x^5-4x^4-6x,x^5+x^4-3x^3-3x^2
Thursday, April 2, 2015 by Anonymous

Math - hw check
The admission fee for student is $8 and the admission fee for Adult is$15. In one hour, 12 adults and students enter the museum and a Total of $131 in admission was paid. Write a linear system to model this problem and solve this problem graphically. Check you answer by ... Thursday, April 2, 2015 by Ray MATH .In <ABC, <A=60,<B=70,<C=50. Points D , E ,F are the mid-pointsmof the sides BC ,AC and AB respectively. Find the measures of the angles of the triangle formed by joining the mid-points of the sides of <ABC. Thursday, April 2, 2015 by Anonymous MAth please help Point P is inside rectangle ABCD. Show that $PA^2 + PC^2 = PB^2 + PD^2.$ Be sure that your proof works for ANY point inside the rectangle. Any suggestions on how to work this? Not sure how to do this or what equation i need to use. Wednesday, April 1, 2015 by Gem math please help Point X is on line AC such that AX = 3 CX = 12. If <ABC = <BXA = 90^ degrees, then what is BX? I know that <XBC=22.5 Wednesday, April 1, 2015 by Gem math The figure below depicts a racetrack with ends that are semicircular. The length of the track is 660 ft (1/8 mi). Find l and r so that the area of the rectangular portion of the region enclosed by the racetrack is as large as possible. (Round your answers to the nearest foot.) Wednesday, April 1, 2015 by Sarah Math please help A square is constructed using the hypotenuse line AC of right triangle ABC as a side, as shown below. Find the area of the square if AB = 5 and BC = 9. I tried to approach this by finding the hypotenuse, which i found was 10, then i used that to find the area of the square ... Wednesday, April 1, 2015 by Gem Math please help In triangle PQR, we have <P = 30 degrees, <Q = 60 degrees, and <R=90 degrees. Point X is on line PR such that line QX bisects <PQR. If PQ = 12, then what is the area of triangle PQX? I have determined that i need to use the equation PR/\sqrt{3}, but i cannot find PR. Wednesday, April 1, 2015 by Gem math please help Point X is on line AC such that AX = 3 CX = 12. If <ABC = <BXA = 90 degrees, then what is BX? I'm having a really hard time drawing this out. Is there an easy equation to use for this that won't include drawing it? Wednesday, April 1, 2015 by Gem Math (ASAP) Find the variable for the following 3x3 matrix. |x 3 -1 2 1 -2 4 1 x| Wednesday, April 1, 2015 by Jenny math please help Find the area of triangle ABC if AB = BC = 12 and <ABC = 120 degrees Should approach this with SSS similarity? If yes will the answer be clear or will i need to manipulate it, and how. Wednesday, April 1, 2015 by Gem math what is 4(y*y)? is it 4y*4y, or can u not distribute, and why? Wednesday, April 1, 2015 by eric Math, please help Dennis will roll two number cubes once. Each cube is labeled 1 to 6. What is the probability that the sum of the cubes will be an odd number? Wednesday, April 1, 2015 by Cale Math How do I solve this inequality? 3x<12 Wednesday, April 1, 2015 by Amy math A painting is hung on a wall in such a way that its upper and lower edges are 10 ft and 7ft above the floor, respectively. An observer whose eyes are 5 ft above the floor stands x feet from the wall. How far away should the observer stand to maximize the angle subtended by the... Wednesday, April 1, 2015 by Linda 7th grade math Can you check the following? 1. (-1/3)x = -5 multiply both sides by -3 because dividing by fraction is same as multiplying by its reciprocal, right? Ans: -5(-3)= 15 2. x - (-3) = -8 + (-3) + (-3) x = -11 3. The signup fee to join Flexible Fitness Gym is$25. The monthly fee is...
Wednesday, April 1, 2015 by Alexis

math
Writ anumerical. Expression for each word phrase 18 less 25
Wednesday, April 1, 2015 by hala

Math
Find the variable for the following 3x3 matrix. |x 3 -1 2 1 -2 4 1 x| Note: This entire matrix =10
Wednesday, April 1, 2015 by Jenny

math (urgent)
A basketball or some stadium holds 20000 people. On average 140000 come to see the match. Average ticket price is $75. market research shows that if ticket price is decreased by$5 800 more people buy tickets. Find the price that will maximize revenue and find maximum revenue?
Wednesday, April 1, 2015 by Alisha

math
On a centimeter dot grid, draw all possible rectangles with a perimeter of 14 cm and sides whose lengths are whole centimeters.
Wednesday, April 1, 2015 by Riley

Math
1. Ashlyn took out a loan for $700 to buy a new Tv. The bank to going to charge her 3% compound interest. What amount will Ashlyn owe the bank after 3 years 2. Determine the value of a$100 investment earning 10% compound interest over 2 years.
Wednesday, April 1, 2015 by Tisy

math
solve the equation 6y-2=8y-5
Wednesday, April 1, 2015 by lindsay

Math
A television company agrees to establish a community antenna in a new suburb at a charge of $5 each for 1000 subscribers or less.To encourage more subscribers,it is agreed to give a discount of$ 0.10 to each subscriber for every additional 10 subscribers in excess of 1000. ...
Wednesday, April 1, 2015 by Alisha

7TH MATH HELP
3. What is the correct description for the translation of A to A'? A(10, 3) A'(1, 6) right 9; up 3 left 9; down 3* right 9; down 3* left 9; up 3 The point C(x, y) is reflected over the x-axis. Use arrow notation to describe the original point and its reflection. (1 ...
Wednesday, April 1, 2015 by ?????

Math / Algebra 2
Use trigonometric identities to solve each equation for the given domain. sin 2θ = -cos θ for 0 ≤ θ < 2π *Anyone who has any idea which identity to use is welcome to help.
Wednesday, April 1, 2015 by Bob

Math
What part of a yard is 1 1/2 feet?
Wednesday, April 1, 2015 by Alyson

Math
the car on the hydraulic lift in figure 22-2 has a weight of 16,170 N. Piston B has a surface area of 5,005 centimeters cubed; Piston A has an area of 65 centimeters cubed. What force must be applied to Piston A to lift the call? I tried to do 16,170 by 5,005 but I dont think ...
Wednesday, April 1, 2015 by Aubry

Math
Mrs. Birdsong charged a total of $3,450 for 30 pieces of her pottery. She charged the same amount for each of the remaining pieces. How much did she charge per piece if pottery? Wednesday, April 1, 2015 by Amy Math Are the following expressions equivalent? Prove your answer. 5(3x+2) and 15x+10 Wednesday, April 1, 2015 by Amy Math If it costs$500 per ton to ship a vehicle, how much will it cost to ship a minivan that weighs 4,500 pounds?
Wednesday, April 1, 2015 by Amy

Math
Of 1901 people who came into a blood bank to give blood, 315 people had high blood pressure. Estimate the probability that the next person who comes in to give blood will have high blood pressure
Wednesday, April 1, 2015 by Jorge

math
The vertices of ^ABC are A (2,-5), B(-3,5) AND c(3,-3) The Triangle is reflected over the x-axis. I think the answer would be A(2,-5), B(-3,5), C(3,-3) ->(-2,-5), (3,5), (-3,-3)
Wednesday, April 1, 2015 by Lost

math help
Given DC = 7, CB = 8, AB = 1/4 AD, and ED = 4/5 AD, find FC. Express your answer as a decimal. not sure how to tackle this one
Wednesday, April 1, 2015 by Gem

math
1.A square has side lengths of 3 units. One of its vertices is at (5, -2). Which of the following are possible coordinates of another vertex? a)(9,-2) b)(8,-2) c)(5,5) d)(5,-1) idk can someone help i am confused
Wednesday, April 1, 2015 by confused

math help needed bad
I'm really confused on how to answer this question. Can someone help me to figure this out? Thank you A survey about the student government program at a school finds that of 245 students: -218 like the program -27 students think this program is unnecessary. If a circle ...
Wednesday, April 1, 2015 by Confused

Math
What is the correct description for the translation of A to A? (10,3)-> (1,6) right 9; up 3 left 9; down 3 right 9, down 3 left 9; up 3 I think the answer is right 9;up 3
Wednesday, April 1, 2015 by Lost

math
Solve for x and y simultaneously x+y=2 and 3x^2+4xy+y^2=6
Wednesday, April 1, 2015 by johnas

Math
The point C(3, -1)is translated to the left 4 units and up 1 unit. How do I write a rule to describe the translation?
Wednesday, April 1, 2015 by Lost

MATH
AB and CD are two chords equidistant from the center O. OP is the perpendicular drawn from center O to AB. if CD=6 cm. find PB.
Wednesday, April 1, 2015 by SHUBHAM

MATH
If the total surface area of a sphere is 5544 cm 2, find the diameter of the sphere.
Wednesday, April 1, 2015 by SHUBHAM

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