Saturday
July 30, 2016

Homework Help: Math

Branches of Math

Recent Math Questions

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

Math
Find an equation in standard form for the ellipse that satisfies the given condition with major axis endpoints (1,-4) and (1,8), minor axis length 8.
Wednesday, May 11, 2016 by Akau

math
A spinner is divided into blue green and red parts. George spins the spinner 300 times. Below is the table of outcome Part Time Spun Blue 91 Green 107 Red 102 Based on the table what was George's experimental probability of spinning red
Wednesday, May 11, 2016 by roma

Math "Need Help Asap"!
3.)What % is equivalent to 2/3? A.)33 2/3% B.)150% C.)66 2/3%*** D.)65% C?
Wednesday, May 11, 2016 by #FreeGucci

math
A bag contains 3 red marbles and 6 blue marbles. What is the probability of randomly selecting a red marble from the bag
Wednesday, May 11, 2016 by roma

math
the angle of depression of a ship from a top of a tower is 46deree. a. If a ship is 126m from the foot of the tower, calculate the height of the tower. b. If the height of the tower is 72m tall, calculate the distance between the (i) ship and the foot of the tower (ii) ship ...
Wednesday, May 11, 2016 by Josehp

math
simpify 4!
Wednesday, May 11, 2016 by Anonymous

Math
Find the volume of revolution when the region enclosed by the functions f(x)= e^x , g(x)=e^-x ,and the two lines is revolved about the x-axis Solution V=intergrate e^2x-e^-2x dx From -1to1 1/2e^+e^-2x when you sub and cal. =0 why please help me
Wednesday, May 11, 2016 by Ali

Math
7 boys share 5 chocolate bars equally how much do the get?
Wednesday, May 11, 2016 by Sandra

Math
Make a table and graph each quadratic function. Use integers from -3 to 3 for inputs. #4- y= -x2 #5- y=2x squared #6- y= -8x squared #7- y= x squared + 2 Make a table and a graph for each function. Use only positive values for x. #10- y= 10/x #11- y= 8/x Write a quadratic ...
Wednesday, May 11, 2016 by Math

Math
-1/2(x-20)+2/3x=20 CAN SOMEONE SOLVE THIS FOR ME I SM STUCK IN IT I DID MY OTHERS I NEED HELO WITH THIS ONE
Wednesday, May 11, 2016 by PLEASE HELP

math
the table below shows the eye color of 30 students in Ms. Carroll's class. blue-4, green-5, brown-11, hazel-7, and other-3. what is the probability that one student, selected at random from the 30 surveyed will have hazel or green eyes.
Wednesday, May 11, 2016 by Anonymous

Math
If a substance has a half life of 600 seconds. If a scientist begins with an initial amount of 1kg complete the following problems: create an exponential equation using proper variables?
Wednesday, May 11, 2016 by Cali

Math
What is (4x^2-2x-1)-(3x^3+2)
Wednesday, May 11, 2016 by Libragirl

math
How do you write 19/2 as a percentage?
Wednesday, May 11, 2016 by ???

Math algebra
evaluate 4x^2(2x+x^3y)+x^y for x = 5 and y=0 Evaluate 4 (x/5)^2+3 when c =20
Wednesday, May 11, 2016 by PLEASE HELP

Math "Need Help Asap"!
4. Alice plays basketball. In one game she shoots 21 free throws and makes 81.25% of them. Estimate how many free throws she makes. a. about 16 b. about 2 c. about 20 d. about 14 A?
Wednesday, May 11, 2016 by #FreeGucci

math
How do you write 159% as a fraction or mixed number in simplest form?
Wednesday, May 11, 2016 by ???

math
How do you write 130% as a fraction or mixed number in simplest form?
Wednesday, May 11, 2016 by ???

math
Silas claims that the equation y = 2 + mx, where m is a real number, represents a function whose graph is a straight line
Wednesday, May 11, 2016 by tyrece

math
How do you write 84% as a fraction or mixed number in simplest form?
Wednesday, May 11, 2016 by ???

math
if out of two numbers, one number is increased by 10% and other number by 20%,find percentage increase in the product of the two numbers
Wednesday, May 11, 2016 by imli

math
8. The half-life of a certain radioactive material is 71 hours. An initial amount of the material has a mass of 722 kg. Write an exponential function that models the decay of this material. Find how much radioactive material remains after 17 hours. Round your answer to the ...
Wednesday, May 11, 2016 by emily

math
Someone help me!! square root = sqrt (5x^2-5x-10)sqrt(x+7) + (2x+6)sqrt(x+2) >= x^3+13x^2-6x-28 thank you!
Wednesday, May 11, 2016 by Athenal

Math
Please this problem to me There is a stack of 8 cards from 1-8 suppose we select a card randomly from the stack, replace it, then randomly select another card What is the probability the first card is a even number and the second card is greater than 6 write answer in simplest...
Wednesday, May 11, 2016 by Donna

math
6. The half-life of a certain radioactive material is 32 days. An initial amount of the material has a mass of 361 kg. Write an exponential function that models the decay of this material. Find how much radioactive material remains after 5 days. Round your answer to the ...
Wednesday, May 11, 2016 by emily

Math
A 10 sided dice numbered 1 to 10 rolled four times. a)Write how many outcomes will we get? b)What are the possible outcomes?
Wednesday, May 11, 2016 by Ajay

Math
You invest your $20000 savings in a term deposit for 3 years at 5.5% p.a. compounding monthly. The compound interest formula is A=P(1+r/n)(to the power of)nt Would it be - P=20000 r=5.5 n=12 (months) t=3 (years)
Wednesday, May 11, 2016 by Brodie

Math/Biology
8c) The scanning objective lens (4x) of a microscope has a diameter of field of 6.0 mm and a total magnification of 40x. The high power objective lens has a total magnification of 400x. Estimate the diameter of field of view of the high-power objective lens by using the ...
Wednesday, May 11, 2016 by Anonymous

math
A baseball diamond is actually a square with 90 feet between the bases. The pitcher's mound is 60.5 feet from home plate. How far is the pitcher's mound from the first base? Round all answers to 1 decimal place I used the Pythagorean theorem and got 66.6. Is that right?
Wednesday, May 11, 2016 by Emily J

math
Tobi is training to run a marathon. In the first week she runs 25 km and increases this distance by 10% each week. This situation may be modelled by the series 25 + 25(1.1) + 25(1.1)2 + . She wishes to continue this pattern for 14 weeks. How far will she have run in total when...
Tuesday, May 10, 2016 by Elle

Math
Why is the Cartesian System unique? The Cartesian System is unique because you can specify any point uniquely in a two or three dimensional space by using two or three Cartesian coordinates
Tuesday, May 10, 2016 by Sue

Math
36 miles per gallon to miles per quart. (1 gal=4 qt)
Tuesday, May 10, 2016 by Sandy

Math
Ed is thinking of. number. If he adds four to his number, the result is less than 6. Write and solve an inequality about Ed's number
Tuesday, May 10, 2016 by Sandy

math
a 14 foot ladder placed against a vertical wall of a building with the bottom of the ladder standing on level ground 9 feet from the base of the building. how high up the wall does the ladder reach?
Tuesday, May 10, 2016 by john

math
Describe Sam´s location relative to the theater. Ordered pairs:Sam (4,2),Theater:(-3,5)
Tuesday, May 10, 2016 by John

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

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