Tuesday

May 3, 2016
**math**

Write an equation for a cosecant function with a period of 3𝜋 and a range of (−‡,−2]¾[2,‡)
*Sunday, March 27, 2016 by nicole*

**Math troubles**

There's 5 multiple choice questions on a quiz. Four choices to each question. Find the probability that the student gets 3 or more questions right. p(x=3) (.25)^3= 0.015 p(x=4) (.25)^4=3.906 p(x=5) (.25)^5=9.765 Do you add them all together to get the overall probability?
*Sunday, March 27, 2016 by Chris*

**Math problems**

On her math test, Terry got 52 questions correct out of 68. What percent of the test questions did Marie answer correctly?
*Sunday, March 27, 2016 by Mary*

**math**

You order a pizza. The pizza has a diameter of 14 inches and it is cut into 12 equal slices. You eat four slices, how much of the area have you consumed. How long is the remaining crust.
*Sunday, March 27, 2016 by Kate*

**math **

I need help with math 12 5/8+6 3/8+5 2/3= they must have coming denominator like 24 = The answer
*Sunday, March 27, 2016 by priyanka*

**math**

geoff planted dahlias in his garden. dahlias have bulbs that divide and reproduce underground. in the first year, geoff's garden produced 8 bulbs. in the second year, it produced 16 bulbs, and in the third year, it produced 32 bulbs. if this pattern continues, how many ...
*Sunday, March 27, 2016 by s c r e a m i n g*

**math**

An insurance sales representative selects three policies to review.the group of policies he can select from contains eight life policies,five automobile policies and two homeowner's policies.find the probability of selecting: I.all life policies. II.both homeowner's ...
*Sunday, March 27, 2016 by Bravo*

**math**

A council consists of 10 members.four are NDC,three are NPP and three are from other parties.if a committee of three is to be selected,find the probabilities following: I.one of each party. II.Two NPP and one from other parties. III.one from other parties and two NDC (base on ...
*Sunday, March 27, 2016 by Bravo*

**Math**

List all of the integers there are between √13 and √50.
*Sunday, March 27, 2016 by John Doswell*

**math**

Given a density of 1.25 pound per gallon and a mass of 2.5 pounds find the volume
*Sunday, March 27, 2016 by danette*

**math**

Place value model.what is it
*Sunday, March 27, 2016 by Anonymous*

**math**

Show a place value model of4,362
*Sunday, March 27, 2016 by Anonymous*

**math**

At the end of Summer, Puss discovers that his radiator antifreeze solution has dropped below the safe level. If the radiator contains 4 gallons of a 25% antifreeze solution, how many gallons of pure antifreeze must he add to bring it up to a desired 50% solution? is the answer...
*Sunday, March 27, 2016 by Anonymous*

**math**

A company is making detergent out of soap and water. They made one batch that has 30% soap and another batch which is 60% soap. If they mix 600 liters of the first batch with 300 liters of the second batch, what percent of soap will be in the detergent?
*Sunday, March 27, 2016 by Anonymous*

**math**

Fresh raspberries are 80% water. Dried raspberries are only 20% water. How many pounds of dried raspberries do you get from 36 lb of fresh berries?
*Sunday, March 27, 2016 by Anonymous*

**Math**

If 1/sinA+1/cosA =1/sinB+1/cosB, prove that: cot(A/2+B/2) = TanA. TanB
*Sunday, March 27, 2016 by Rabin*

**Math**

A certain part of a hiking trail slopes upward at about 10° angle. After traveling a horizontal distance of 120ft along this part of the trail. What would be the change in hiker's vertical position? What distance has the hiker traveled along the path?
*Sunday, March 27, 2016 by Ieza*

**Math**

A certian recipe asks for 5/8 cup of granola. How much is needed to make 1/9 of a recipe?
*Sunday, March 27, 2016 by Ben*

**Math**

You order a pizza. The pizza has a diameter of 14 inches and it is cut into 12 equal slices. You eat four slices, how much of the area have you consumed. How long is the remaining crust.
*Sunday, March 27, 2016 by Katie *

**math**

Find the nature of the conic 2x^2+xy-y^2-6 = 0
*Sunday, March 27, 2016 by gourav bhardwaj*

**math**

Let (x1,x2,x3) and (y1,y2,y3) represent the coordinates with respect to the bases B1 = { (1,0,0),(0,1,0),(0,0,1)} , B2 = { (1,0,0),(0,1,2),(0,2,1) }. If Q(x) = 2x^2+2x1x2-2x2x3+x2^2+x3^2, find the representation of Q in terms of ( y1, y2 ,y3 ).
*Sunday, March 27, 2016 by gourav bhardwaj*

**math**

Find the orthogonal canonical reduction of the quadratic from -x^2+y^2+z^2-6xy+2yz. Also, find its principal axes,rank and signature of the quadratic form.
*Sunday, March 27, 2016 by gourav bhardwaj*

**math**

Find the radius and the centre of the circular section of the sphere | r| = 4 cut off by the plane r.(2i-j+4k) = 3.
*Sunday, March 27, 2016 by gourav bhardwaj*

**math**

which of the following are binary operation.justify your answer. (i) the operation . defined on Q by a.b =a(b-a) (ii) the operation . defined on [0, pi] by x.y = cosxy also,for those operation which are binary operations,check whether they are associated and commutative .
*Sunday, March 27, 2016 by gourav bhardwaj*

**math**

What will be dividend if divisors 64 quotient 13 remainder 28
*Sunday, March 27, 2016 by sneha thakur*

**Math**

What is the probability of choosing a red or blue gum ball from a bag that contains 14 red, nine blue, and 12 green gumballs.
*Saturday, March 26, 2016 by Gina*

**math**

A standard deck of has 52 cards, and contains 13 cards of each of the four suits: diamonds, spades, hearts, and clubs. What is the probability that you choose a spade, given that you have already chosen a diamond (and have not replaced it)?
*Saturday, March 26, 2016 by Fallon*

**Math**

Points J and K, plotted on the coordinate grid, are two vertices of rectangle JKLM. Rectangle JKLM has an area of 7 square units. Point J is located at (2, 1) and point K is located at (-5,1) each vertex of the rectangle is located at a point that has integer coordinates. Part...
*Saturday, March 26, 2016 by Emily*

**Math**

A right rectangular prism is packed with identical cubes. The dimensions of the prism are given in terms of the number of cubes needed to fill the prism. length is 16 cubes wide th is 9 cubes height is 23 cubes. The side length of each cube is 1/4 inch. What us the volume?
*Saturday, March 26, 2016 by Joana*

**math**

i am a 3 digit number the sum of my digits is 10 my first digit and my last digit are the same one of my factors is 7 what number am i? A 181 B 262 C 343 D 505 CHOOSE ONLY ONE!!
*Saturday, March 26, 2016 by jennifer*

**math**

Find all solutions to the equation tan(t)=1/tan (t) in the interval 0<t<2pi. Solve the equation in the interval [0, 2pi]. The answer must be a multiple of pi 2sin(t)cos(t) + sin(t) -2cos(t)-1=0 Find all solutions of the equation 2cos3x=1
*Saturday, March 26, 2016 by alicia otto*

**math**

find all solution to the equation 3 cos(x+4)=1. in the interval of 0<x<2pi This is what I got: arccos (1/3)+4 but I cant figure the rest out Solve the following equation in the interval [0, 2pi]. (sin(t))^2=1/2. Give the answer as a multiple of pi.
*Saturday, March 26, 2016 by alicia otto*

**contempory math**

use inductive reasoning to predict the next three number in the patterns 3,4,7,11,18,29
*Saturday, March 26, 2016 by Anonymous*

**math**

At the end of Summer, Puss discovers that his radiator antifreeze solution has dropped below the safe level. If the radiator contains 4 gallons of a 25% antifreeze solution, how many gallons of pure antifreeze must he add to bring it up to a desired 50% solution? how to solve ...
*Saturday, March 26, 2016 by Anonymous*

**Math **

A bus travels 400 Miles in 8 hours how many miles will the bus travel in 2 days
*Saturday, March 26, 2016 by Kris *

**math**

Phil is making a number cube out of cardboard . He traces one face of the number cube onto a coordinate grid . The coordinates of two opposite vertices of the face are (4, 8) and (12, 16) . What is the surface area, in square units, of Phil’s entire number cube?
*Saturday, March 26, 2016 by Lakshmi*

**math**

The coordinates of the vertices of a quadrilateral are given below . (2, 3) (8, 3) (8, 11) (11, 7) What is the area, in square units, of the quadrilateral?
*Saturday, March 26, 2016 by Lakshmi*

**math**

A factory finds out that on the average 20% of bolts produced by the given machine will be defective.if 10 bolts are selected at random from the day's production of this machine,find the probability that 1.exactly 2 will be defective. (this question is base on probability ...
*Saturday, March 26, 2016 by farahan*

**math**

A council consists of 10 members.four are NDC,three are NPP and three are from other parties.if a committee of three is to be selected,find the probabilities following: I.one of each party. II.Two NPP and one from other parties. III.one from other parties and two NDC
*Saturday, March 26, 2016 by farahan*

**math**

An insurance sales representative selects three policies to review.the group of policies he can select from contains eight life policies,five automobile policies and two homeowner's policies.find the probability of selecting: I.all life policies. II.both homeowner's ...
*Saturday, March 26, 2016 by farahan*

**math**

The table below shows the number of deaths in the U.S. in a year due to a variety of causes. For these questions, assume these values are not changing from year to year, and that the population of the United States is 312 million people. Cause Deaths Passenger car occupant 13,...
*Saturday, March 26, 2016 by Chistopher *

**math**

A store owner receives 12 computers:nine are model A and the rest are model B.if two computers are sold at random,find the probability that one of each model is sold
*Saturday, March 26, 2016 by farahan*

**math**

A factory finds out that on the average 20% of bolts produced by the given machine will be defective.if 10 bolts are selected at random from the day's production of this machine,find the probability that 1.exactly 2 will be defective. 2. 2 or more will be defective 3. More...
*Saturday, March 26, 2016 by farahan*

**Math**

Ann is x years old and her sister is 2 years older. If the product of their ages 80. Form an equation in x and solve to find the age of each. ______________________________________ I got up to, x + 2x = 80 x + 2x - 80 = 0 and now im confused... this is for an exam, help?
*Saturday, March 26, 2016 by Luna*

**Math**

66:36::18:?
*Saturday, March 26, 2016 by Sanjay*

**math**

Explain how you knew whether the sum was in simplest form in problem #1. 5 3/8 plus 2 1/4 (the fractions are mixed numbers)
*Friday, March 25, 2016 by Mackenzie*

**math**

I am a three digit number the sum of my digits is 10. my first digit and my last digit are the same what number am i? A 181 B 262 C 343 D 505
*Friday, March 25, 2016 by lilly*

**math**

A couple plans to have three children. What is the probability that a) they have all boys? Preview b) they have at least one girl?
*Friday, March 25, 2016 by vinicio*

**Math**

f the air temperature at ground level is 90degrees°F, the air temperature x miles high is given by T(x)equals=90minus−19x. Determine the altitudes at which the air temperature is from 52degrees°F to 42.5degrees°F.
*Friday, March 25, 2016 by John*

**math**

In a lottery game, a player picks 9 numbers from 1 to 43. How many different choices does the player have if order doesn't matter?
*Friday, March 25, 2016 by Anonymous*

**Math**

Tericho earns $8.80 per hour working at an ice cream shop. Janelle's earning at a drugstore follow the pattern in the table. Number of hours:3= $25.50, 7=$59.50, 12=$102 and 20=$170. Who makes more money per hour? By how much? . Thanks.
*Friday, March 25, 2016 by Griselda*

**Math**

Indira is wrapping the box with a length of 8 in. , a width of 6 in. , and height of 3 in. How much wrapping paper does she need?
*Friday, March 25, 2016 by Anonymous*

**Math**

The point ( -1.5,-2) is reflected across the y-axis, What are the coordinates of the point after the reflection?
*Friday, March 25, 2016 by Anonymous*

**Math**

A store manager set up a cardboard display to advertise a new brand of perfume. The display is a square pyramid whose base is 18 inches on each side. The height of each triangular face of a puramid is 12 inches. How much cardboard was used to make the display.
*Friday, March 25, 2016 by Anonymous*

**math**

A person going to a party was asked to bring 5 different bags of chips. Going to the store, she finds 14 varieties. How many different selections can she make?
*Friday, March 25, 2016 by Anonymous*

**math**

Maggie has a box of 300 colored blocks.The box has a equal number of green and blue blocks and an equal number of red and yellow blocks.If Maggie arranged all of the green blocks in stacks of 10 and all of the blue blocks in stacks of 7,how many yellow blocks are in the box?
*Friday, March 25, 2016 by xavier*

**math**

Laptop screen sizes are determined by the length of the diagonal portion of the screen. A laptop has a 12 inch width and the height measures 10 inches draw a diagram and calculate the screen size.
*Friday, March 25, 2016 by Anonymous*

**math**

A metal worker has a metal alloy that 15% copper and another one is 70% copper. how many kilograms of each alloy should the metalworker combine to make 120kg of a 48% copper alloy?
*Friday, March 25, 2016 by Anon*

**math**

A metal worker has a metal alloy that 30% copper and another one is 55% copper. how many kilograms of each alloy should the metalworker combine to make 50kg of a 50% copper alloy?
*Friday, March 25, 2016 by Anon*

**Math**

A certain recipe asks for two thirds cups of granola how much do you need to make 1/7 of a recipe
*Friday, March 25, 2016 by Jennifer*

**Math**

Johns car can travel 26 miles on a gallon of gas. There are 2.5 gallons of gas in the tank. How far can jones car travel using the gas in the tank . 2.5 + 26 = 5.1
*Friday, March 25, 2016 by Anonymous*

**Math**

Approximate .68 inch to the nearest eighth of an inch
*Friday, March 25, 2016 by Anonymous*

**math**

How many bricks of 22 centimetre x 10 centimetre x 7 centimetres are required to construct up a wall 33 metre long 3.5 metre high and 40 centimetre thick if cement and sand used in the construction occupy 110th the part of the wall
*Friday, March 25, 2016 by shubham*

**Math**

Add twenty-seven and thirty-six hundredths, eight and nine hundredths, and sixty-five and seventy-three thousandths
*Friday, March 25, 2016 by Anonymous*

**Math**

What is the perimeter of a isosceles triangle that has 2 sides that are 22 inches?
*Friday, March 25, 2016 by Anonymous*

**math**

A number consists of two digits whose sum is 9. if three times the number is equal to eight times the number formed by interchanging the digits. find the number
*Friday, March 25, 2016 by reshman*

**Math**

the circumference of mars is 10.664km find the diameter mars to the nearest km A.17.256Km B.3.396km C.333 D.259
*Friday, March 25, 2016 by NickWilde*

**Math**

Mrs. Mati is setting up two rest stops for a race. There are 24 gallonsvof lemonade total at the two stops.The second stop has twice as many as the first stop.How many gallons of lemonade are at each rest stop?
*Friday, March 25, 2016 by Alaina*

**Math**

I walk 4km at 8km/h and then jog 6km at 12km/h. Find the total time taken and the average speed for the whole journey.
*Thursday, March 24, 2016 by Garey*

**Math**

a circle is divided into 9 equal parts. That is the angle measure of two of those parts?
*Thursday, March 24, 2016 by T*

**Math**

Zeke earns a living selling computers. He is paid 12/h plus a 8% commission on sales. What dollar amount of computer sales must Zeke make to earn $1000 in a 40-h work week.
*Thursday, March 24, 2016 by Lyra*

**math**

sandra brings cheese and crakers for lunch every 6 days, and lily brings cheese and crakers every 8 days. if they both brought cheese and crakers today, how many days will it be before both girls bring cheese and crakers again
*Thursday, March 24, 2016 by mary*

**Math**

What is the maximum perimeter of an isosceles triangle whose side length are 5x+20,3x+76, and x+196?
*Thursday, March 24, 2016 by Anonymous*

**math**

according to the blue line about how many weeks of practice are required to achieve a score of 50? 15 17 19 21
*Thursday, March 24, 2016 by gabby*

**math**

If a phone company charges 0.25 per minute how much minutes will $25 give me?
*Thursday, March 24, 2016 by josiah*

**Math**

in every bag of m/m's, 30% are red. If 52 m/m's are in the bag, what % are not red.
*Thursday, March 24, 2016 by Anna*

**math**

88 is the product of Rick's score and 8
*Thursday, March 24, 2016 by Renee*

**math**

Bill takes a lot of $9,000 and an 8% simple interest rate for 6 years How much interest will Bill pay after 2 years? How much interest will he pay in total for the loan ? $720.00;3,600.00 $1,408.00;4,224.00* $36,000.00;12,000.00 $1,440.00;$4,320.00 Plz check answer
*Thursday, March 24, 2016 by Haley*

**math**

what is .69 repeating in its simplest form? I need help
*Thursday, March 24, 2016 by lisa*

**Math**

A tennis racket is offered at 25% off. Including 7% sales tax, the final price is $67.41. What is the original price, without tax or discount?
*Thursday, March 24, 2016 by Lydia*

**math**

Simplify the following expression 1/2(14x-2)-1/4(-4x-24) HELP ME
*Thursday, March 24, 2016 by Lexi*

**math**

a nut mixture is made from two types of nuts: one type selling for 7.50/kg the other selling for 9.50/kg what mass of each type of nut should ne included in a 3 kg mixture that sells for 25
*Thursday, March 24, 2016 by chris*

**math**

list all of the intergers there are between 13 & 50
*Thursday, March 24, 2016 by Anonymous*

**English**

1. Math is complex, but it's necessary. 2. Social studies looks simple, but it's informative. 3. Chinese characters is not simple but complex. 4. Technical arts is useful and important. 5. Home economics is both necessary and useful. 6. Fine arts is neither useful nor ...
*Thursday, March 24, 2016 by rfvv*

**Math**

Show using integration by parts that: e^3x sin(2x)dx = 4/26 e^3x (3/2 sin(2x) - cos(2x)) +c Bit stuck on this. Using rule f udv = uv - f vdu u = e^3x dv + sin(2x)dx f dv = v du/dx = 3e^3x v = -1/2 cos(2x) so uv - f vdu: = (e^3x)(-1/2 cos(2x)) - (-1/2 cos(2x))(3e^3x) Don't ...
*Thursday, March 24, 2016 by Danny*

**Math**

The perimeter of a sqare plot obtained by adding additional land measuring equal area is ?
*Thursday, March 24, 2016 by Rekha *

**Math**

The experimental probability that Mindy will win a game of chance is 2/5. The experimental probability that James will win the game of chance is 5/8. If they each play 200 games, who will win more games and by how much? work: I made 2 proportions 2/5 = x/200 5x = 400/5 x = 80 ...
*Thursday, March 24, 2016 by Pleasecheckmyanswer*

**MATH**

Jason remembers nine digits of a ten digit phone number. He remembers that the last digit is an even number. If he guesses that last digit, what is the probability that he dials the correct number? My answer: 1/5 probability
*Thursday, March 24, 2016 by Pleasecheckmyanswer*

**Math**

A ball is thrown striaght up from a height of 3 ft with an initial velocity of 40 feet per second. How high will the ball go? Assume that the only force acting on the ball is gravity where the acceleration due to gravity is -32 feet per second per second.
*Thursday, March 24, 2016 by Brandon*

**Business Math icom 1**

Find the ordinary interest in a loan of Rs.2600 at 10 % simple interest from January 5 to February 10.? Find the present value of Rs.3600 due in 4 months at 6% interest p.a.? At what annual rate percent of interest would Rs.12500 amount Rs.14375 in 2 years & 6 months.? How ...
*Thursday, March 24, 2016 by Mian g*

**Math**

Shelly wants to eat no more than 2,000 calories a day. If she eats 3 meals a day, write and inequality to represent c,the largest amount of calories she can eat per mean.
*Thursday, March 24, 2016 by Alexas *

**math**

When I was considering what to do with my $10,000 Lottery winnings, my broker suggested I invest half of it in gold, the value of which was growing by 7% per year, and the other half in certificates of deposit (CDs), which were yielding 3% per year, compounded every 6 months. ...
*Thursday, March 24, 2016 by alexia*

**math**

four more than the product of 19 and Vanessa's age
*Thursday, March 24, 2016 by Renee*

**Math**

If 100 students are surveyed, about how many students own 2 or more pets? Explain please 0 pets __________ 1/20 1 pet __________ 1/2 2 0r more _______ 9/20 Thank you very much
*Wednesday, March 23, 2016 by Liz*

**Math**

40-4k to the powerr of 3 for k=2
*Wednesday, March 23, 2016 by Curtis*

**Math**

Sadie ate 2/8 of a small pizza.Josef ate 2/8 of a large pizza.Did sadie and Josef eatbthe same amount of pizza? Explain.
*Wednesday, March 23, 2016 by Frog*

**math**

1) A rectangular tank, 15 cm long and 20 cm wide, is filled with water to a depth of 12 cm. When a rock is put in, the water level rose to 15 cm. What is the volume of the rock?
*Wednesday, March 23, 2016 by Terry*

**Math**

Mike drank more than half of his glass of juice. What fraction of juice could mike have drank?
*Wednesday, March 23, 2016 by Anonymous*

**Math**

your child plays basketball your child scored points in the following 5 games: 8 10 4 6 6. What are the average points per game
*Wednesday, March 23, 2016 by Ka'Dashia*

**Math**

Ruth and tom have the same point driving in opposite directions. Traffic conditions enable Tom to average 10 km/hr more than Ruth. After two hours, they are 308 km apart. Find the speed (Rate) of each person.
*Wednesday, March 23, 2016 by Anonymous*