Tuesday
May 31, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

Math
Charlie reads quickly. He reads 1 3/7 pages every 2/3 minutes. How many pages does he read per minute?
Tuesday, May 10, 2016 by Aubrey T.

Math
A rectangle has a width of 5 meters and length of 14 meters. If a similar rectangle has a width of 15 meters, what's its perimeter, in meters?
Tuesday, May 10, 2016 by Alyssa

Math
A tank measures 30 can by 60cm by 50cm. What is the height of water in the tank when 60000 ml of water are poured into it?
Tuesday, May 10, 2016 by Emily

Math
A high school has 438 students, with about the same number of males as females. Describe a simulation to predict how many of the first 50 students who leave school at the end of the day are female.
Tuesday, May 10, 2016 by Homework

math
For a scavenger hunt, Chessa put one coin in each of 10 small boxes. Four coins are quarters, 4 are dimes, and 2 are nickels. How could you simulate choosing one box at random? Would you use the same simulation if you planned to put these coins in your pocket and choose one? ...
Tuesday, May 10, 2016 by Homework

math
on a print with a scale of 1/4"=1',the scale drawing of the living room us 5"by 6".The dimensions of the actual room will be___________ft.by_________ft.?
Tuesday, May 10, 2016 by Denis

math
The clock face in a famous clock tower has a radius of about 5 meters. What is the area of the clock face to the nearest square meter? Use 3.14 as an approximation for pi.
Tuesday, May 10, 2016 by Claire

MATH
need help upright posts are to be placed at 9 inch intervals on 3 sides of a deck which measures at a total of 36 ft. How many post are needed. 36/3 = 12 am I on the right track?
Tuesday, May 10, 2016 by Amy

math
2x-5-12/6+4x• 2/x-16
Tuesday, May 10, 2016 by Anonymous

Math
A father who is 42 years old has a son and a daughter. The daughter is three times as old as the son. In 10 years the sum of all their ages will be 100 years. How old are the two siblings at present? Please help quick!
Tuesday, May 10, 2016 by Ray

Math
Hello! I have a question. What is a table of values for y=x-8? Please tell what free calucators show work! I've been on this question for hours and I'm really frustrated!
Tuesday, May 10, 2016 by MarkiplierFan8228

Math
A picture frame measures 5inches wide and 7 inches long what is the perimeter of the frame
Tuesday, May 10, 2016 by Ariyannagardner

math
if 2500 is invested at an interest rate of 6.5% compounded monthly how long will it take for the investment to reach 7500
Tuesday, May 10, 2016 by Farouk

Math
why is the Cartesian Coordinate System unique? The system is unique because it's concept of using a pair of axes in a three dimensional format
Tuesday, May 10, 2016 by Mike

Math "Need Help Asap"!
6.)A spinner is divide into 10 equal sections numbered from 1 to 10. You SPIN the spinner once. What is P(5)? A.)1/3 B.)1/2 C.)1/10 D.)1/4 D?
Tuesday, May 10, 2016 by #FreeGucci

Math
Find the exact roots of 0= x^2 -7x +7 I think you have to use the quadratic formula, but I can't figure out how to do this or how to verify. If you could show me step by step, that would be awesome. Thanks
Tuesday, May 10, 2016 by Heaven

math
Coach Hart calculated the mean, median, mode, and range for these data. He realized that he forgot to include Louise's 11 catches in the table. If Coach Hart now includes Louise's data with the data for the other five members, which of the following statistical ...
Tuesday, May 10, 2016 by alexis

math
Greg and Sam ordered a pizza for lunch. Greg ate 34 of the pizza, and Sam ate 18 of the pizza. How much of the whole pizza
Tuesday, May 10, 2016 by alexis

Math
Historically, why is the Cartesian Coordinate System unique? The system is unique because it's concept of using a pair of axes in a three dimensional format
Tuesday, May 10, 2016 by Mike

Math 1324
A manufacturer produces two models of elliptical cross-training exercise machines. The times for assembling, finishing, and packaging model A are 3 hours, 3 hours, and 0.8 hour, respectively. The times for model B are 4 hours, 2.5 hours, and 0.4 hour. The total times available...
Tuesday, May 10, 2016 by Adam

Applied Math
Each of the letters in the word CALCULATOR are on separate cards, face down on the table. If you pick a card at random, what is the probability that its letter will be C or L?
Tuesday, May 10, 2016 by Narcissa

Math
Rhonda bought a new jacket that originally cost $80. It was on sale for 20% off. The store charges a 6% sales tax. what is the total cost for jacket?
Tuesday, May 10, 2016 by Taylor

Math
An 82 foot ladder is leaning against a wall. The is 18 feet from the base of the wall. How high above the ground does the ladder touch the wall?
Tuesday, May 10, 2016 by Jayihana

math: permutations
How many different 4 letter arrangements can be formed from the letters in the word cards my answer: 120 arrangments
Tuesday, May 10, 2016 by check my answer asap

Math help ASAP please
A kicker kicks a football during practice. The equation below can be used to find the height (h) in feet after t seconds. h(t)=-16t^2+96t After how many seconds will the ball hit the ground? A. 6 B. 7 C. 96 D. 0 My answer is B, is this correct?
Tuesday, May 10, 2016 by xxAnonymousxx

Math
If 3b+12=5(b-4), what is b?
Tuesday, May 10, 2016 by Bianca

Math "Need Help Asap"!
6.)A spinner is divide into 10 equal sections numbered from 1 to 10. You spin the spinner once. What is P(5)? A.)1/3 B.)1/2 C.)1/10 D.)1/4 B?
Tuesday, May 10, 2016 by #FreeGucci

Math
. In Figure 5.17 to the right ABCD is a rectangle. If m(∠BDC) = 54, then find m(∠ABD) and m(∠CBD).
Tuesday, May 10, 2016 by Ab

Math "Need Help Asap"!
2.)Jennifer writes the letters M-O-N-T-A-N-A on cards & then places the cards in a hat. What is the probability of picking an N? A.)2/7 B.)3/7*** C.)1/3 D.)2/3 B?
Tuesday, May 10, 2016 by #FreeGucci

Math
which polynomial does the model represent (Model shows: 1 big black square, 2 long blank rectangles, 3 long rectangles, 3 small blank squares, 1 small blank square) a.) -x^3+2x^2-3x+2 b.)x^2+x-2 c.)-x^2-x+2 d.)-x^2+x-2
Tuesday, May 10, 2016 by jai

math: permutations
How many different 4 letter arrangements can be formed from the letters in the word cards
Tuesday, May 10, 2016 by can someone help me asap (how to do this)

Math
Ryan has 3/4 cup of pudding. How many 1/6 cup servings of pudding can ryan make
Tuesday, May 10, 2016 by Jenny

Math
which polynomial does the model represent (Model shows: 1 big black square, 2 long blank rectangles, 3 long rectangles, 3 small blank squares, 1 small blank square) a.) -x^3+2x^2-3x+2 b.)x^2+x-2 c.)-x^2-x+2 d.)-x^2+x-2
Tuesday, May 10, 2016 by jj

math
14. Let f(x) = -­2x ­- 7 and g(x) = ­-4x + 3. Find (f o g)(-­5) A)23 B)-53 C)-9 D)3 please help!!
Tuesday, May 10, 2016 by emily

math
17. Let f(x) = x2 + 6 and g(x) = x+8/x . Find ( g o f)(­ -7) A)384/7 B)295/49 C)-57/7 D)63/55 could someone please help?
Tuesday, May 10, 2016 by emily

math
18. For the function f(x) = x2 ­ -12, find (f o f­-1)(4). A)4 B)10 C)6 D)0 help please?
Tuesday, May 10, 2016 by emily

math
How come half the questions posted in here don't even get answered?
Tuesday, May 10, 2016 by janice

math
How come a lot of the questions posted in here don't get answered?
Tuesday, May 10, 2016 by barbra

Math
There are six true-false questions on a quiz. Not knowing any of the answers, a student guesses randomly. Find the probability of each event. Exactly two answers are correct. Exactly six answers are correct. At least five are correct. At least three answers are correct.
Tuesday, May 10, 2016 by Jen

math
10z-4+8(z-1)
Tuesday, May 10, 2016 by larren

Math
Ali has 13 pencils.Jamal has 9 pencils. How many fewer?
Tuesday, May 10, 2016 by Lamar

math
How many outcomes are there at the ice cream shop if you have five choices of ice cream and 6 choices of toppings and 2 choices of syrup?
Tuesday, May 10, 2016 by karlez

Math
6[8 8 9 7[2 5 5 5 8 8 8 9 8[2 2 2 6 6 9 9 9[0 0 0 2 2 5 5 5 Key: 8[2 means 82 How many students scored 78? 1 student 2 students 3 students 4 students
Tuesday, May 10, 2016 by LOVE

math
What is the diff. Between parabola and ellipse
Tuesday, May 10, 2016 by Anonymous

MATH HELP PLEASE
1.-3f^2+4f-3+8f^2+7f+1 a.5f^2-11f+2 b.11f^2+11f+2*** c.5f^2+11f-2 d.-5f+3f-2 2.3x^2+5X-5X^2-4X-2 a.-8x^2-9x+3 b.2x^2+x+3 c.-2x^2-9x+3 d.-2x^2+x+3*** 3.(8x-2y)+(3x-4y) a.11x+8y*** b.4x-y c.11x-6y d.5x+2y 4.(y+3d)-(-9y+7d) a.-10y+4d b.-8y+10d c.8y-6d*** d.10y-4d 5.the distance ...
Tuesday, May 10, 2016 by Connexus

Math Please Help
What is the probability of getting an even number when rolling a six-sided number cube? 0.5** 5% 2/6 30% You place the letters for the word smart in a bag. What is the probability of choosing a letter that is NOT a vowel? (remember vowels A, E, I, O, and U.) 0.2 1/5** 80% 0.75...
Tuesday, May 10, 2016 by #Blessed

Math
4x^2(2x^3 – 5x +6)
Tuesday, May 10, 2016 by Natalie

Math
Please explain how to do this 6[8 8 9 7[2 5 5 5 8 8 8 9 8[2 2 2 6 6 9 9 9[0 0 0 2 2 5 5 5 Key: 8[2 means 82 How many students scored 78? 1 student 2 students 3 students 4 students
Tuesday, May 10, 2016 by LOVE

Math
Write and simplify the polynomial represented by the model. (Model shows: 3 big blank squares, 2 long black rectangles, 3 small blank squares, 1 big black square, 6 small black squares) a. -2x^2 + 2x + 3 b. 2x^2 - 2x - 3 c. 3x^2 - 2x - 3 d. 2x^2 - 2x + 3
Tuesday, May 10, 2016 by jj

math
if the family income is $18.600 per year , what are the amount to be spend for each item per week ?
Tuesday, May 10, 2016 by Annette roy

Math (please help)
Maria wants to cover the box shown below with paper.Which of the following could be the dimensions of the paper so that Maria has enough to cover the box, including the ends, with a little left over? Shape: Rectangular Prism Length:8 in Width: 2 in Height: 2 in A) 8 in x 4 in ...
Tuesday, May 10, 2016 by Samantha

Math
Hi could you please check my answers? Find the lateral of the square pyramid (I don't have a picture so I'll describe the figure) the square base is 8m around each side of the square and the slant height is 22m, my answer is 352 cm^2. Am I correct? Plz and thx Find the...
Tuesday, May 10, 2016 by Anonymous :D

math
Hi, i would like to know how would i write a standard form equation of each ellipse vertices : (-6,18),(-6,-8) foci: (-6,5+ sq root 165),(-6,5-sq root 165)
Tuesday, May 10, 2016 by marlene

math
Tory and Emilio's motorboats travel at the same speed. Tory pilots her boat 40 km before docking. Emilio continues for another 4 hr, traveling a total of 90 km before docking. How long did it take Tory to navigate the 40 km?
Tuesday, May 10, 2016 by lauren

Math
Between 1am and 3am the temperature fell by 9C. Over the next hour, the temperature rose by 2C, Reaching -3C by 4am. What was the temperature at 1am?
Tuesday, May 10, 2016 by Anonymous

Math
Renu wants to lay tiles on the floor of her house which is 9m long and 7m wide among the following sizes of tiles which one should she buy so that the floor is tiled without cutting any tiles
Tuesday, May 10, 2016 by Bharti

Math
What is the value of the function y=-3x+8 when x=6?
Tuesday, May 10, 2016 by Tina

math
karen has 60 percent as much as money as leslie. leslie's sum of money is 60 %mof matthews. if matthews gives karen 140, matthew will have the same money as leslie. how much do they have altogether
Tuesday, May 10, 2016 by harry

math
florence bought two bags of flour, A and B. the two bags contained different amounts of flour. the total mass was 108 kg. Gary poured 1/4 of the flour from bag A to bag B. After that, he poured 2/5 flour from bag B to bag A. he found that the both bags had the same mass now. ...
Tuesday, May 10, 2016 by alex

math: probability
How many 13 card hands can be made from a deck of 52 cards?
Tuesday, May 10, 2016 by Please check my answer

Math - Normal and Binomial Distribution
An unbiased dice is thrown 10 times. Let X be the number of sixes obtained. Find: C) P(X<mean) The correct answer is .485, but I don't know how to get there. I tried
Tuesday, May 10, 2016 by Simon

math: probability
You have 52 cards. 12 of the cards are the face cards and 4 of the cards are the Aces. What is the probability of getting a face card and then an Ace? my answer: P(Face card) *P(ACE) 12/52 * 4/52 = 3/169
Monday, May 9, 2016 by Please check my answer

math
Identify this probability as independent or dependent A bag contains ten cards numbered 1 through 10. You pick one card and then another without replacement. What is the probability that both cards display a value of 6 or higher? My answer: Dependent
Monday, May 9, 2016 by Please check my answer

Math
-5+x/-3=28
Monday, May 9, 2016 by Destiny

Math
sixty-four is four tenths of what number?
Monday, May 9, 2016 by Kim

Math
In 35 minutes, 49 customers entered the store. At this rate, how many customers will enter the store in 2 hrs?
Monday, May 9, 2016 by Sandy

math
a picture with 4 right angles 4 sides an 2 pairs opposite what quadrilateral is this
Monday, May 9, 2016 by chloe

math
find the equation of the family of hyperbolas where foci are (~4, 6) & (4, 0). Find the member of the family that passes through (2, 0)
Monday, May 9, 2016 by keith

Math
In a piggy bank Jane has 8 more quarters than dimes and she has 5 less nickels than dimes. Write an algebraic expression
Monday, May 9, 2016 by Math

math
The perimeter of the fence is 70feet and the width is 16feet.What is the length of the fence.
Monday, May 9, 2016 by Isaiah

math
come on
Monday, May 9, 2016 by sckid30

Math
Katherine earned 84,92,84,74, and 70 on her first five test. What is the minimum grade Katherine needs to earn on the next test to have a mean of 84 ?
Monday, May 9, 2016 by Denise

math
If my teacher grades a test of 54 questions and I get 18 wrong what will be my grade?
Monday, May 9, 2016 by adeline

math
jesse drive 6 3/8 miles in a golf cart during a round of golf. Payton drives 7 3/4 miles . how much father dose payton drives
Monday, May 9, 2016 by sckid30

Math
There are 8 slices of pizza. Joey ate 2 slices. Chris ate 3. What is the fraction of the pizza they ate.
Monday, May 9, 2016 by Bella

Math Help please!
11. A basket contains the following pieces of fruit: three apples to oranges two pairs two bananas and five peaches. Jack pics of fruit at random and does not replace it then, Bethany pics of fruit at random. what is the probability that Jack gets a peach and Bethany gets an ...
Monday, May 9, 2016 by Jack

Math
Which quadratic rule represents the data in the table? X : -1 | 0 | 1 | 2 | 3 Y: 4 | 5 | 4 | 1 | -4 Y = -2x^2 + 5 Y = -x^2 + 5 Y = -x^2 - 5 Y = x^2 + 5 My answer is Y = -x^2 - 5
Monday, May 9, 2016 by Cam

Math
There are 8 slices of pizza. Joey aye 2 slices and cChris ate 3 slices what is the fraction of the pizza they ate together
Monday, May 9, 2016 by Jadea

help my son's math
Dan baked enough peach pies for each of his 20 friends to have 1/8 of a pie. How many pies did he bake.
Monday, May 9, 2016 by Kevin

math
A jar of gumballs contains 10 blue gumballs, 20 green gumballs, 15 yellow gumballs, and 25 pink gumballs. You reach into the jar and randomly select a gumball, then select another while replacing the first gumball back. What is the probability that you draw a green gumball as ...
Monday, May 9, 2016 by Please check my answer

math
A jar of gumballs contains 10 blue gumballs, 20 green gumballs, 15 yellow gumballs, and 25 pink gumballs. You reach into the jar and randomly select a gumball, then select another while replacing the first gumball back. What is the probability that you draw a green gumball as ...
Monday, May 9, 2016 by Anonymous

Math
a sports reportor said that 2 out of every 3 people at a home town base ball game named baseball vs their favorite sport the reporter claimed that baseball was the mostpopular sport in town which of th following explains why the reporters might not be true
Monday, May 9, 2016 by kaden

Math
In a piggy bank Jane has 8 more quarters than dimes and she has 5 less nickels than dimes. Write an algebraic expression
Monday, May 9, 2016 by Math

Math
The Dig It Project is designing two gardens that have the same perimeter. One garden is a trapezoid whose nonparallel sides are equal. The other is a quadrilateral. Two possible designs are shown at the right. a. Based on these designs, is there more than one value for x? ...
Monday, May 9, 2016 by Meow

math
Hi, I need help:<[], 2/3 x 6 and 3/5 = 2/3(6 + 3/5)= 2/3 x 6 + 2/3 x 3/5 = 1 + 6/16, Please change that to a mixed number I'm going crazy AHHHHHHHHHH.............:()
Monday, May 9, 2016 by Pier

MATH
A TREE AND A FLAGPOLE ARE IN THE SAME GROUND.A BIRD ON TOP OF THE TREE OBSERVERS THE TOP AND BOTTOM OF THE FLAGPOLE BELOW IT AT ANGLES OF 46 AND 60 DEGREES RESPECTIVELY. IF THE TREE IS 10.65m HIGH WHAT IS THE HEIGHT OF THE FLAGPOLE
Monday, May 9, 2016 by SILVER

Math statistics
What is the probability of randomly selecting a female from the 25 and 35 years old
Monday, May 9, 2016 by Anonymous

Math
5p-7-2p=-3
Monday, May 9, 2016 by Tiffany

math
zack is planning to make a flower garden he has 24 one yard sections of fence that he plans to place around garden he wants the garden to be aas long as possible what longest length he can use for the garden how wide will the garden be is this area prerimeter or side length
Monday, May 9, 2016 by aron

math
Which statement concerning the equation x^2+2=x is true? Its discriminant is 0 , so it has no solution. Its discriminant is 0 , so it has one real solution. Its discriminant is -7, so it has two complex solutions. Its discriminant is -7, so its solutions are negative.
Monday, May 9, 2016 by Claire

Math- exponent laws
Use a calculator to determine the value to 3 decimal places. 7^0.4
Monday, May 9, 2016 by Anonymous

math
A flying disc has a radius of 6 inches. What is the area of one side of the flying disc to the nearest square inch? Use 3.14 as an approximation for pi. A) 113 square inches B)452 square inches C)38 square inches D) 28 square inches
Monday, May 9, 2016 by Claire

Math
Determine to 3 decimal places. (Please explain as you go, thank you) 7^0.4
Monday, May 9, 2016 by Kennedy

math
Prove that sinA+sinB+sinC=-4cosA/2cosB/2cosC/2
Monday, May 9, 2016 by jacent

math,science
A car traveling at 22 m/s starts to decelerate steadily. It comes to a complete stop in 13 seconds. What is its acceleration?
Monday, May 9, 2016 by Ally

Math
Determine to 3 decimal places. 7^0.4 (please explain as you go, thank you)
Monday, May 9, 2016 by Kennedy

math
this graph below shows the number of new cleants brought into sunnydays insurance company
Monday, May 9, 2016 by denishamartin

Math
Yesterday kate and her cousin robert went out for a movie there they spent $50 in total robert spent $10 more than kate how much did kate spend?
Monday, May 9, 2016 by Emily

Math
Can you guys give me a example not a link please As part of their job, meteorologists make weather predictions from data. How accurate are their predictions? What are other scenarios in which you would use data to make a prediction? How would you defend your prediction using data
Monday, May 9, 2016 by Sid.V

math
give:m is the midpoint of Ab,P is the midpoint of BC and N is the midpoint of AC :prove that AMPN is paralleiogram
Monday, May 9, 2016 by alson

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