Friday

May 27, 2016
**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*

**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*