Tuesday
May 24, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

Math
a cake is cut into 12 equal pieces. there are 7 children and each child eats 1/3 of a piece
Thursday, May 12, 2016 by Anonymous

Math
write the function 6^x-y=4 in explicit form. Please i need an answer fast. thank you
Thursday, May 12, 2016 by teta

math
A ball is dropped from a height of 256 ft. With each bounce, the ball reaches a height that is half the height of the previous bounce. After which bounce will the ball rebound to a maximum height of 1 ft?
Thursday, May 12, 2016 by Anonymous

Math
w^-2 ____ w^0 or w^-2/w0 Simplify. Answer as a power with a positive exponent
Thursday, May 12, 2016 by Xavier Norby

math
John leaves on a 20-mile bike trip. He rides at a speed of 8 mile per hour. Ashley leaves 1 hour later. Both bikers take the same route. Ashley rides at a speed of 6 miles per hour. How many later than John will Ashley complete the trip?
Thursday, May 12, 2016 by Anonymous

math
A credit card company charges 7% simple interest. What is the total interest on a $1,900 loan at the end of two years?
Thursday, May 12, 2016 by Anonymous

math
write the function x-y=4 in explicit form. Please i need a fast answer
Thursday, May 12, 2016 by Shuki

Math
The serving size babies need to be fed is 2 fl. oz. Knowing that I can feed the baby 8 times a day & 3oz. of formula each time, How much formula will I be using daily? Answer: 24 oz. How much formula will I be using... weekly? Monthly?
Thursday, May 12, 2016 by Tae

math
a plat form and a building are on the same horizontal plane , the angle of depression of the bottom of the building from the top A of the platform is 39 degree. the angle of elevation of the top D of the building from the top of the platform is 56 degree. given that the ...
Thursday, May 12, 2016 by chris

Math/Precal
There are 12 students to be seated in a row of 12 chairs, paul and martha have broken up and will not sit together. How many different seating arrangements are possible?
Thursday, May 12, 2016 by Carli

Math
How many 4 digit numbers are greater then 7538 can be made using the digits, 0,3,5,7,8,9 without repetition?
Thursday, May 12, 2016 by shawn

Math
A student created a 6 character computer password, the password strts with 4 digits, the first of which is he number 3, followed by 2 letters, the firsr of which is a consonant. How many different passwords are possible if repetition is allowed? I know its 1x10x10x10x21x26 But...
Thursday, May 12, 2016 by Babs

math
toffees are sold in packs of 8. Tony buys 4 packs. He eats 25 toffees. How many toffees are left?
Thursday, May 12, 2016 by Anonymous

math
rajeev, who is sixteen years old, is four times as old as his sister. How old will Rony be when he is twice as old as his sister?
Thursday, May 12, 2016 by raju

Math
In mr tarkanian history class each student chooses two of the topics listed in the chart above for their papers. how many different pairs can juliana choose?
Thursday, May 12, 2016 by HELP!!

Math riddle
Why does the us need a new building riddle plz help
Thursday, May 12, 2016 by Elijah mann

Math
What is the surface area of the given figure? Side: 26 Side: 28 Height: 10 Width: 36 a) 2,564cm^2 b) 2,276cm^2 c) 2,184cm^2 d)1,160cm^2
Thursday, May 12, 2016 by Val

Math
Find the inverse function of f(x)=(x+4)/(2x-5) and then verify your result using: f(f^-1(x))=x and f^-1(f(x))=x. Please an answer fast
Thursday, May 12, 2016 by Shuki

Math
How to draw tow different parallelograms that each have an area of 4 square inches
Thursday, May 12, 2016 by Marcus

Math
Assume that y varies directly with x, then solve. If y=-18 when x=6,find x when y=6
Thursday, May 12, 2016 by Chey

6th grade math
Starlight tree farm sells Douglas firs and noble firs. One December they sold 139 more Douglas first than noble first. The total number of trees sold was 377. Which equation could be used to solve for n the number of noble of threes sold? A. N – 139 = 377 B. N + 139 = 377...
Thursday, May 12, 2016 by Lily Longoria

Math
A jug of water is 1/2 full. If 3 children equally share the water, what fraction of the full jug does each child get? A.6 B.1/6 C.2/3 D.3/2
Thursday, May 12, 2016 by Summer

6th grade math
Suppose you are driving to visit a friend in another state. You are driving 60 miles per hour. You must drive 480 miles total. If you have already driven 120 miles, how long will it take you to reach your destination? If you have already driven 120 miles, how long will it take...
Thursday, May 12, 2016 by Lily Longoria

math
HOW should i start this im confused. The theater arts committee estimated that it would sell 200 tickets for its upcoming play. The committee actually sold 224 tickets. What was the percent error in the committee’s estimate? Round your answer to the nearest tenth of a ...
Thursday, May 12, 2016 by anna

math
Laketown had 215 inches of snowfall last year, but only 155 inches this year. What was the percent decrease in snowfall for Laketown to the nearest percent? A. 28% B. 39% C. 72% D. 139%
Thursday, May 12, 2016 by anna

Math
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? I really don't get this question I'...
Thursday, May 12, 2016 by Gabby (PleaseHelp)

Math!!
Find the lateral area for the square pyramid. Height: 22 Base: 8 Side: 8 I know the answer, I just want someone to show me how to actually calculate it to find the answer. Thanks :)
Thursday, May 12, 2016 by Val

6th grade math
Write an inequality to represent the equation: The temperature stayed above - 15 degrees.
Thursday, May 12, 2016 by Lily Longoria

Math/Precal
Given the word OCTOBER, how many different 3 letter words can be created??
Thursday, May 12, 2016 by Cierra

Math
A student created a 6 character computer password, the password strts with 4 digits, the first of which is he number 3, followed by 2 letters, the firsr of which is a consonant. How many different passwords are possible if repetition is allowed?
Thursday, May 12, 2016 by Babs

Math
How do i solve algebraically for n. 9n=3(nP2)
Thursday, May 12, 2016 by Harley

6th grade math
Complete the function table. Then write a rule for the function table. Input Output -3 [missing] -2 -4 -1 [missing] 0 [missing] 1 -1 Please show step by step and explain. Thank you!
Thursday, May 12, 2016 by Lily Longoria

Math
A rectangular prism is 18 inches tall and has a square base whose length is 9 inches. Oliver plans to cover the top and bottom of the rectangular prism with material A, which costs 2 cents per square inch. He then plans to cover the other four faces of the prism with material ...
Thursday, May 12, 2016 by Steve

math
9. solve |4x + 3| = 9 + 2x and check for extraneous solutions. the first answer I got was: |4x +3| = 9 + 2x |4x| = 6 + 2x 2x = 6 x = 3 can someone help me find the other answer? thank you!
Thursday, May 12, 2016 by emily

Math
In a geography class 9 students are scheduled to give their presentations tody, one student must leave early so he will present first, how many different ways can you schedule all of todays presentations?
Thursday, May 12, 2016 by Clark

math
Arianna has a large piece of fabric that she wants to use to make some scarves. The number N of scarves she can make is inversely proportional to the area A of each scarf. If the area of each scarf is 3 square feet, then she can make 15 scarves. If the area of each scarf is 5 ...
Thursday, May 12, 2016 by Claire

math
What is the value of x? x over 4 equals 14 over 16 x/4 = 14/16 x=3.5 ?!??
Thursday, May 12, 2016 by anna

math
Arianna has a large piece of fabric that she wants to use to make some scarves. The number N of scarves she can make is inversely proportional to the area A of each scarf. If the area of each scarf is 3 square feet, then she can make 15 scarves. If the area of each scarf is 5 ...
Thursday, May 12, 2016 by Claire

math
check my answers pls 1. which solid has two bases that are triangles and three lateral surfaces that are rectangles a. triangular pyramid b. rectangular prism c. triangular prism *** d. rectangular pyramid 2. a solid with two parallel and congruent bases cannot be which of the...
Thursday, May 12, 2016 by 666name999

Math/Precal
How many 4 digit numbers greater than or equal to 3000 and less then 8000 can be formed with no repition in there digits??
Thursday, May 12, 2016 by Bub

Math
A group consists of 5 boys and 6 girls. How many committees of 5 can be formed that consits of 2 boys 3 girls. Multiple choice: a)150 b) 200 c) 1800 d)2400
Thursday, May 12, 2016 by Carli

Math
a geometric progression has a third term of 20 and a sum to infinity which is three times the first term. find the first term
Thursday, May 12, 2016 by Dave

Math
a sum to infinity which is three times the first term. find the first term
Thursday, May 12, 2016 by Dave

math
tow pols of haights between 6meter and 11meter stand on a plane graund .if the distanse between the feet of the poles 12 meter .the distanse their tops equal to
Thursday, May 12, 2016 by azmat

math
the price of tickets were reduced to 20%. the total number of sales of tickets increased by 60%. find the percentage increase of tickets.
Thursday, May 12, 2016 by imli

math
How many gram of sodium fluoride should be added to 100000 liter of drinking water containing 0.6 ppm of sodium fluoride to provide a recommended concentration of 1.75 ppm? Answer is 115 grams. I keep getting .115 g What am I doing wrong? Please help.
Thursday, May 12, 2016 by Jessica

Math
Matt cut a circle into 8 equal parts.He drew an angle that measures the same as the total measure of the 3 sections in the circle.What is the measure of the angle Matt drew?
Thursday, May 12, 2016 by Sakura Matsuo

math
In a class of ten pupils the grades in a spelling test were: 97 − 97 − 97 − 92 − 92 − 85 − 76 − 73 − 65 − 60. The mode ofthose scores is: Read more
Thursday, May 12, 2016 by priti shaw

Math
compare the graphs of the inverse variations by comparing asymptotes, similar points, lines of reflections and quadrants y=-0.7/x and y=-0.9/x
Thursday, May 12, 2016 by apop

math
Consider five circles with radii of 1, 2, 4, 8, and 16 inches. Complete the chart. (Answers will be in terms of Pi). One has been completed for you. |Radius|Circumference|Area| |1|2pi in.|pi in.^2| |2| |4| |8| |16| Help I have no idea what I'm supposed to do
Thursday, May 12, 2016 by Bear

Math
If a man travels at an average speed of 112 km,how far will he travel in 3 hours and 45 minutes
Thursday, May 12, 2016 by Rearabetswe

math
a line is drawn from the origin to a point on the ellipse 9x^2+25y^2=225.find the equation of the locus of midpoint of the line.
Thursday, May 12, 2016 by ekpe

Math
The LCM of two number is 40.one of the number is 5.what is the other number?
Wednesday, May 11, 2016 by Lisha

Math
What percentage of her turn around the board did Shonda land on giant Bank what is the ratio in simplest form of the number of times she landed on the giant Bank to the numbers of times she landed on the deposit on deposit.
Wednesday, May 11, 2016 by Adynn

math
Jenna baked apple pies for a family reunion. Each pie was cut into 9 pieces. Her family ate 28 pieces of pie. Write the number of pies Jenna's family ate as an improper fraction and as a mixed number.
Wednesday, May 11, 2016 by Anonymous

math
A mechanic needs a radiator to have 40% antifreeze solution. The radiator currently is filled with 5 gallons of 15% antifreeze solution. How much antifreeze mixture should be drained from the car if the mechanic replaces it with pure antifreeze. Drain__ gallons from the ...
Wednesday, May 11, 2016 by anonymous

math
lighthouse x has a radius of 18 mi lighthouse z has a radius of 28 mi lighthouse z lights up how much more area than lighthouse x? round answer to the nearest tenth.
Wednesday, May 11, 2016 by josephine

math
The Connecticut River flows at a rate of 5 km / hour for the length of a popular scenic route. If a cruiser to travels 4 hours with the current to reach a drop-off point, but the return trip against the same current took 6 hours. Find the speed of the boat without a current? ...
Wednesday, May 11, 2016 by duran

math
Roscoe must play 9 commercials during his 1-hr radio show. Each commercial is either thirty seconds or sixty seconds long. If the total commercial time during that hour is 6 minutes, how many commercials of each type does Roscoe play? Round answers to the nearest whole number...
Wednesday, May 11, 2016 by duran

Math
A car travel 300 miles on 15 gallons of gas. what is the unit rate?
Wednesday, May 11, 2016 by Briley

Math
6:50 is the hour hand closer to the 6 or the 7 hoe do you know
Wednesday, May 11, 2016 by Yen

math
A trapizoid has a area of 33.6 and a height of 4 what is the sum of the b1 and b2?
Wednesday, May 11, 2016 by kalya

math
This question involves the Richter's scale and it goes like this: According to Richter's scale magnitudes of earthquakes can be obtained from the following formula: M=logE÷1.44-3.64 . E stands for the free energy of a 6.4 earthquake ,calculate the magnitude of ...
Wednesday, May 11, 2016 by Maya

math (PLZ HELP ASAP)
A rectangular field is 240m wide. The width of the field is 3 8 the length. What is the area of the field in square kilometers, rounded to the nearest thousandth?
Wednesday, May 11, 2016 by Anonymous

math (pLZ HELP ASAP)
A train averages a speed of 90 miles per hour across the plains and 37.5 miles per hour through the mountains. If a trip of 300 miles took 3 hour and 48 minutes, how much of it was through the mountains?
Wednesday, May 11, 2016 by Anonymous

math (PLZ HELP ASAP)
a dad has two daughters – Wendy and Julia. Wendy is twice as old as Julia. The man is now five times as old as Wendy, and in 4 years he will be six times as old as Julia. Find the present age of the father.
Wednesday, May 11, 2016 by Anonymous

MATH
A model airplane is 11 inches in length. The actual length of the airplane is 209 feet. what is the scale used to build the model?
Wednesday, May 11, 2016 by Saniah

Math/Precal
In a poker hand of 5 cards how many ways can you get a full house? (3 of a kind and a pair)
Wednesday, May 11, 2016 by Maxx

Math
The time t required to drive a certain distance varies inversely with the speed r. If it takes 4 hours to drive the distance at 35 miles per hour, how long will it take to drive the same distance at 45 miles per hour? about 3.11 hours********* 140 hours about 5.14 hours 393....
Wednesday, May 11, 2016 by Mike

Math
A model of an airplane is 11 inches in length. The actual length of the airplane is 209 feet. What is the scale used to build the model? Please Help Me!!!
Wednesday, May 11, 2016 by Saniah

math
Which equation matches the following description?James loves making smores when he goes camping with his family.He puts half a chocolate bar on every smore.The number of chocolate bars,c,James needs is dependent on the number of smores,s,he wants to make. c=2s c=1/2s S=2c s=1/2c
Wednesday, May 11, 2016 by John

math
P divided by 7 equals 15 what is p
Wednesday, May 11, 2016 by lily

Math/Precal
What are the first three terms in the expansion of (-4x-3)^5??
Wednesday, May 11, 2016 by Hurly

Math
A group consists of 5 boys and 6 girls how many committees of five can be formed that consists of 2 boys and 3 girls?
Wednesday, May 11, 2016 by Mark

Math
Of 120 owners of reptiles surveyed, 27 own snakes as pets. What percent of the reptile owners own snakes as pets? plz help me!!!!!!!!!!!!
Wednesday, May 11, 2016 by Graclynn

Math
During peak seasons, a hotel room costs $135 per night. During the off-seasons, it costs $90 per night. What is the percent of change from peak season to off-season? PLEASE HELP ME!!!
Wednesday, May 11, 2016 by Mayla

Math
An isosceles triangle has a perimeter of (9y-3)cm.what is the length of the two equal sides if its side is(3y-7)cm?
Wednesday, May 11, 2016 by Teye

Math
Paul borrows $600 at an interest rate of 8% per years for 4 years. How much interest will he have to pay?
Wednesday, May 11, 2016 by Tina

math help ASAP
A school basketball team has 3 wins and 2 loses, the school won 3 times and outscored there opponents by points by 15,10,9 the 2 losses they got outscored by 12 and 8 points, write an addition integer statement for the 3 wins, write a addition integer statement for the 2 loses.
Wednesday, May 11, 2016 by lolol

Math
How many real-number solutions does the equation have? –7x2 + 6x + 3 = 0 one solution two solutions*********** no solutions infinitely many solutions
Wednesday, May 11, 2016 by Mike

Math
a carpenter divides a board that is 3.5 inches wide into 4 pieces of equal widthby cutting 3 places. if the width of her saw blade is 1/8 inch, what is the finished width of each piece? What percent of the board length is actullay used?
Wednesday, May 11, 2016 by Alison

Math
What is 5 quarts to 5 gallons as a fraction in simplest form?
Wednesday, May 11, 2016 by Alexxa

MATH
A school basketball team has 3 wins and 2 loses, the school won and outscored there opponents by points by 15,10,9 the 2 losses they got outscored by 12 and 8 points, write an addition integer statement for the 3 wins, write a addition integer statement for the 2 loses.
Wednesday, May 11, 2016 by LOLOL

Math
Ali has 4 mangoes,Joe has 3 how many more mangoes does Ali have
Wednesday, May 11, 2016 by Prince

Math ounces to pounds
What is 3text books in pounds or ounces?
Wednesday, May 11, 2016 by Elexis

math
what is an equation for a sine curve with amplitude 2, and period 4pi radians?
Wednesday, May 11, 2016 by twiddles

Math
How many different 2 digit numbers can be formed from the digits 1-6, if repetition is not allowed?
Wednesday, May 11, 2016 by Bub

Math
What is the numerical coefficient of the term x^3 in (2+x)^5
Wednesday, May 11, 2016 by Cali

7th Math
A game requires drawing balls numbered 0 through 9 for each of four digits to determine the winning number. Describe a model that could be used to simulate the selection of the number.
Wednesday, May 11, 2016 by murph

7th Math
Ming rolls a number cube, tosses a coin and chooses a card from two cards marked A and B. If an even number and heads appear, Ming wins, no matter which card is chosen. Otherwise Lashonda wins. Find P (Ming wins)
Wednesday, May 11, 2016 by murph

Math
Write an inequality to represent the situation. The temperature stayed above -15 degrees.
Wednesday, May 11, 2016 by Math_kid

7th Math
Alana tosses 2 number cubes. She wins if she rolls double sixes Find P (Alana wins)
Wednesday, May 11, 2016 by murph

math
A bag contains 4 red, 4 blue, 4 green, and 4 yellow marbles. A marble is randomly pulled from the bag and replaced seven times. The table shows the outcome of the experiment. TRIAL - OUTCOME 1 - YELLOW 2 - BLUE 3 - YELLOW 4 - RED 5 - BLUE 6 - YELLOW 7 - YELLOW Which marble ...
Wednesday, May 11, 2016 by roma

MATH
Tony has a bucket filled with 10 green, 3 blue, 1 red, and 7 yellow tennis balls. He removes 4 tennis balls from the bucket, without replacement. Which of the following outcomes could represent this selection? A. All of the tennis balls are blue. B. There is 1 tennis ball of ...
Wednesday, May 11, 2016 by roma

MATH
A bucket contains 5 green tennis balls and 2 yellow tennis balls. Tony removes 2 tennis balls, with replacement, from the bucket shown. What is the probability that Tony will choose a yellow tennis ball and then a green tennis ball?
Wednesday, May 11, 2016 by roma

math
Julie is four times as old as her daughter.In four years time she will be three times as old. How old are they now
Wednesday, May 11, 2016 by linda

Math
What is the opposite of a professional
Wednesday, May 11, 2016 by Anyssa

Math "Need Help Asap"!
7.)Which proportion can be used to solve the following percent problem? What is 50% of 70% A.)X/70 = 50/100 B.)X/50 = 70/100*** C.)50/70 = X/100 D.)70/X = 50/100 B?
Wednesday, May 11, 2016 by #FreeGucci

MATH
A spinner is divided into equal parts 1-5. George spun the spinner 300 times. A table of outcomes is shown. Part- Times Spun 1 - 42 2 - 66 3 - 63 4 - 72 5 - 57 Based on the table, what is an estimated probability of the spinner landing on an even number?
Wednesday, May 11, 2016 by roma

Math "Need Help Asap"!
5.)Estimate 48% of $20.00 A.)About $12.00 B.)About $11.00 C.)About $15.00 D.)About $10.00*** D?
Wednesday, May 11, 2016 by #FreeGucci

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