Monday

January 16, 2017
**math**

if the are of the circumcircle of an equilater triangle be 616 sq.m..,then hight of the triangle is.??

*Monday, December 19, 2016 by abhi*

**math**

the hour hand of a clock move from 1 to 4 0 clock. through how many degrees does it move

*Sunday, December 18, 2016 by Anonymous*

**Math**

Compare. Use <, >, or = to. Show all work -55Ã·(-11) ___ 45Ã·(-9)

*Sunday, December 18, 2016 by Anthonny*

**Math**

5. Sales. An auto dealerâ€™s sales numbers are shown in the table below. Find for each month the mean, median, and mode prices of the cars she sold. Round your answers to the nearest dollar. Price May June July $20,000 22 25 24 $15,000 49 24 24 $12,500 25 49 49

*Sunday, December 18, 2016 by Jones*

**math**

Two cars leave Kansas City at the same time. One car is moving east and the other west. After 5 hours, the cars are 575 miles apart. One car is traveling 15 miles per hour faster than the other. Let S = the speed of the slower car and F = the speed of the faster car. If one ...

*Sunday, December 18, 2016 by Jose*

**Math**

For the first tour on Monday, a museum sells 4 child tickets and 8 adult tickets for $128. For the second tour the museum sells 6 adult tickets for $72. Find the price of one child ticket and the price of one adult ticket

*Sunday, December 18, 2016 by Alicia*

**Math**

A rectangle's width is x and its length is 2x-1. Its area is 21. Find its dimensions. my work so far: 21 = x(2x +1) 21 = 2x^2 + x I was wondering how I would continue to solces this problem.

*Sunday, December 18, 2016 by Caitlin*

**math**

Annuities /assessment You would like to have $550,000 when you retire in 35 years. You would like to have $550,000 when you retire in 35 years. How much should you invest each quarter if you can earn a rate of 4.8% compounded quarterly? a) How much should you deposit each ...

*Sunday, December 18, 2016 by McKellen*

**math**

Solve the equation for x. For each of the following problems is it possible for x to be equal to: 1? (x+m)/(xâˆ’1)=1 If m â‰ -1, there are no solutions\ if m=1, the solution is ? Ii do not now how to find the solution for if m=1 but i got all ...

*Sunday, December 18, 2016 by allie*

**Math**

The equation of line joining the point (3,5) to the point of intersection of the lines {4x+y-1=0} and {7x-3y-35=0} is :

*Sunday, December 18, 2016 by X*

**Math**

The population of a town increases by 25% during 1991. By what percent must it decrease the following year to return to the population it was at the beginning of 1991? I thought the answer was 25% but i don't know for sure.

*Sunday, December 18, 2016 by Sai*

**Math**

As the number of units manufactured increases from 4000 to 6000 the total cost of production increases from 22000 to 30000. Assuming a linear relationship between the cost when 4500 units are produced.

*Sunday, December 18, 2016 by Oo*

**Math**

The salary of an employee in 1985 is $1200,in 1987 it will be $1350. Express salary as a linear function of time and estimate his salary in 1988.

*Sunday, December 18, 2016 by Ana*

**Math**

A rectangle's width is x and its length is 2x-1. Its area is 21. Find its dimensions. my work so far: 21 = x(2x +1) 21 = 2x^2 + x I was wondering how I would continue to solces this problem.

*Sunday, December 18, 2016 by Caitlin*

**Math**

Given that the line x/a + y/b = 1 passes through ( 0 , 3 ) and ( 5 , 1 ), find the value of a and b

*Sunday, December 18, 2016 by Jake*

**math **

The locus of a point whose distance from point (0,5) is always 3/4 of its distance from the line Y=8 is an elipse. Find the equation,centre, length of the major axis, length of the minor axis and the foci of the ellipse.

*Sunday, December 18, 2016 by saud*

**Math**

3. At the end of a dock, high tide of 14 m is recorded at 9:00 a.m. Low tide of 6 m is recorded at 3:00 p.m. A sinusoidal function can model the water depth versus time. a) Construct a model for the water depth using a cosine function, where time is measured in hours past high...

*Sunday, December 18, 2016 by Peter*

**Math**

Sammy has a 10-foot ladder, which he needs to climb to reach the roof of his house. The roof is 12 feet above the ground. The base of the ladder must be at least 1.5 feet from the base of the house. How far is it from the top of the ladder to the edge of the roof? I am ...

*Sunday, December 18, 2016 by Chen*

**Math**

A rectangle's width is x and its length is 2x-1. Its area is 21. Find its dimensions. my work so far: 21 = x(2x +1) 21 = 2x^2 + x I was wondering how I would continue to solces this problem.

*Sunday, December 18, 2016 by Caitlin*

**MATH**

Calculate the net present value (NPV) of the cash shown on the diagram at t = 0 year, if the interest rate is W % compounded annually. Initial capital is AED 300,000 [Choose any value for X,Y&Z from AED 200,000 to 900,000and W from 10% to 18%] AED 100,000 AED X AED Y AED Z 0 1...

*Sunday, December 18, 2016 by ESLAM*

**MATH**

Find the value of single perpetuity payment if the present value of the perpetuity payments at t=0 years is AED 500,000 and the interest rate is R% compound per year.[Choose R% from 8% to 12%]

*Sunday, December 18, 2016 by ESLAM*

**Math, calculus, advanced functions, pre calculus**

An investments value, V(t) is modelled by the function V(t)=2500(1.15)^2, where t is the number of years after funds are invested A) find the instantaneous rate of change in the value of the investment at t=4, what intervals would you choose? Why? My question is ... Which ...

*Saturday, December 17, 2016 by Ruffin *

**English**

My answers are *** The word that are supposed to be in italics are in all capitals. 1.Â Â Choose the answer that best matches the word in italics. When London speaks of Buck METAMORPHISING, he means that Buck lost his appetite. changed into a different ...

*Saturday, December 17, 2016 by HELP*

**math**

AB os a diameter of a circle with centre at origin.what are the cootdinates of B if coordinate of A are(3,-5)

*Saturday, December 17, 2016 by reavathysekaran*

**math**

Write a rule for the function represented by the table x y 0 9 1 28 2 47 3 66 A.y=9+19x B.y=18+10x C.y=19+9x D.y=10+18x

*Saturday, December 17, 2016 by layla*

**Math Homework**

In a lottery game, a player picks six numbers from 1 to 48. If 4 of those 6 numbers match those drawn, the player wins third prize. What is the probability of winning this prize? (Give your answer as a fraction.) My Answer : 1/12972

*Saturday, December 17, 2016 by Cathy Wilson*

**Math**

Michael's father brought him a 16-foot board to cut into shelves for his bedroom. Michael plans to cut the board into 11 equal size lengths for his shelves. The saw blade that Michael will use to cut the board will change the length of the board by -0.125 inches for each ...

*Saturday, December 17, 2016 by Maria Sanchez*

**English**

My answers are *** The word that are supposed to be in italics are in all capitals. 1.Â Â Choose the answer that best matches the word in italics. When London speaks of Buck METAMORPHISING, he means that Buck lost his appetite. changed into a different ...

*Saturday, December 17, 2016 by G*

** Finite Math**

A certain virus infects one in every 500 people. A test used to detect the virus in a person is positive 90% of the time if the person has the virus and 10% of the time if the person does not have the virus. Find the probability that a person does not have the virus given that...

*Saturday, December 17, 2016 by Cathy Wilson*

**MATH**

Assign variables and write equations for the following. Do not solve. The cost of a motorcycle is $200 less than 1/3 cost of a truck. If 3 motorcycles and 1 truck cost $35,400, find the cost of a motorcycle. Equations: Let __ = ___________ ____________ __ = ___________ ...

*Saturday, December 17, 2016 by John Dosley*

**Math**

Does anybody know what study island is?

*Saturday, December 17, 2016 by Reeces*

**Math**

how long does it take an investment of $8000 to double if it is invested at 7% interest compounded continuously. round to nearest year.

*Saturday, December 17, 2016 by Eve*

**Math**

Sonia draws a line between Los Angeles and San Diego on a map. Find the shortest distance between the two cities. If the scale is 1 inch = 50 miles, what is the distance in miles between the two cities. A.25, B.50, C.100, D.150? Please help me

*Saturday, December 17, 2016 by Pier Smiley*

**math**

AB is a diameter of a circle with centre at origin.what are the coordinates of B if coordinate of A are (3,-4)?

*Saturday, December 17, 2016 by revathysekaran*

**Math**

Triangle abc is right angled at a .ad is drawn perpendicular to bc .if ab=5cm and ac=12cm find the area or triangle abc. Also find the length of ad

*Saturday, December 17, 2016 by Sojal*

**Math**

The speed of a Garden snail is 50 meters per hour and that of the Cheetah is 120 kilometers per hour. Find the ratio of the speeds.

*Saturday, December 17, 2016 by Anonymous*

**Machado**

math

*Saturday, December 17, 2016 by Benzzf*

**math**

We know that 65% of all Americans prefer chocolate over vanilla ice cream. Suppose that 1000 people were randomly selected. The Sampling Distribution of the sample proportion is

*Saturday, December 17, 2016 by Estimation*

**Math - Coordinate Geometry**

The vertices of a quadrilateral are A(-2,3), B(5,4), C(4, -3) and D(-3, -4). Prove that ABCD is a rhombus. Find the area of ABCD. Formula to find length: d = âˆš(x2 - x1)^2 + (y2-y1)^2 Please show working out, thanks.

*Saturday, December 17, 2016 by Anonymous*

**Math**

solution of a rectangular swimming pool 8m long and 5m wide has 0.5 m wide path around it . find area of path

*Saturday, December 17, 2016 by Sapna*

**math**

ABC is a triangle.P,Q and R ARE THE MIDPOINTS OF BC , AC AND AB RESPECTIVELY.L IS ANY POINT ON BC DRAWN THROUGH VERTEX A. PROVE THAT; RLPQ IS CYCLIC QUADRILATERAL IF AL IS PERPENDICULAR TO BC. AND QR IS JOINED

*Friday, December 16, 2016 by Prakash*

**Math**

A rectangles length and width are a ratio of 8:5. The area is 169 square millimeters. What are the length and width? Can anyone help and show how they got the answer....lost on this one.

*Friday, December 16, 2016 by Shirley*

**math-circles**

The area of two circles are in a ratio of 4:9. If both radii are integers, and r(1) - r(2) = 2, what is the radius of the larger circle?

*Friday, December 16, 2016 by jose*

**math**

In pallelogram, ABCD, E is the midpoint of DC, AE intersecs BD at point O, the area of triangle DOE is 12cm^2, what is the area of triangle AOB?

*Friday, December 16, 2016 by jose*

** math**

A basket at a baby shower contains 8 bottles of pink nail polish numbered 1 through 8, and 9 bottles of red nail polish numbered 1 through 9. One bottle is drawn from the basket at random.

*Friday, December 16, 2016 by Anonymous*

**Math**

3/4, 1/4, 1/12, 1/36 what is the next number in the sequence? I tried using 36 as common denominator but that seems wrong. Can you help me get the answer and explain how it was done. PLEASE HELP

*Friday, December 16, 2016 by Makayla*

**Math**

The second of two numbers is 5 more than the first. The sum of the numbers is 57. Find the numbers.

*Friday, December 16, 2016 by John Dosley*

**Math 1**

Martha wants to buy a new bike that costs $79, including tax. She currently has $15 saved. She began a dog walking business to earn the remaining money needed to buy the bike. She charges $5 for each dog she walks. What is the fewest number of dogs that Martha needs to walk to...

*Friday, December 16, 2016 by Emmy*

**Math algebra**

I need some help with this It is given that 2(3 + x) = 6 + 2x. This is an example of the ___________ property. A) associative B) commutative C) distributive D) identity plz type the answer asap like by 7:50 or else I'm a dead man.

*Friday, December 16, 2016 by Trevor*

**Math**

24 feet to 2 yards?

*Friday, December 16, 2016 by cockroach!*

**Math**

Find the value of n (n is an integer). (n+7)! / n!(n+6)(n+4) = 9!/3

*Friday, December 16, 2016 by Diana*

**math**

The length of a rectangle is 7 units and its width is 5 units. What is the approximate length of the diagonal of the rectangle? A. 4.9 units B. 6 units C. 8.6 units D. 9 units

*Friday, December 16, 2016 by tyler*

**Math**

7 T 200 lbs - 2 T 700 lb? I think its 2 d 6 h

*Friday, December 16, 2016 by Naegirl*

**math**

Tasha finally bought a new car. She uses it mainly to drive to work, which involves a lot of driving on gravel roads. She was concerned about damage to her windshield from flying stones. In a journal, she kept track of how many scratches she could see. Tasha plotted the number...

*Friday, December 16, 2016 by rrb*

**math**

What is the monomial if a cube of a monomial is:1/8 a^27

*Friday, December 16, 2016 by maria*

**MATH**

WHAT IS 23.25 ROUNDED TO Im confused but I think it can stay the same or to 30

*Friday, December 16, 2016 by MEGAN*

**math**

4/9 b^6 writes as a square of a monomial is it (4/9 b^6)/2

*Friday, December 16, 2016 by maria*

**math**

Zack orders a box of 80 sweaters manufactured from a factory. He needs to check the quality of 30% of the sweaters. Select all of the equations that Zack could use to find x, the number of sweaters he needs to check.

*Friday, December 16, 2016 by Anonymous*

**math **

If v=t^2-2t+1. Find s given that v=4 when t=1.

*Friday, December 16, 2016 by pius *

**math**

The faces of a green tetrahedron die are marked 10,20,30 and 40. All three die are thrown together and the scores added. Find the probability that the total is more than 30 but less than 35.

*Friday, December 16, 2016 by pius *

**Math**

If a right triangle has legs of 5 inches and 12 inches, use the Pythagorean theorem to find the length of the hypotenuse

*Friday, December 16, 2016 by Ashlene*

**math **

What number is 73% of 215? (1 point) 215 = 0.73n n = 0.73 Ã— 215 ***** 0.73 = n Ã— 215 215 = 73n 2. What percent of 94 is 23? (1 point) n/94 = 23/100 23/94 = n/100 94/n = 23/100 **** 23/94 = 100/n 3. 80 is 40% of what number? (1 point) 200 32 20 *** 112...

*Friday, December 16, 2016 by me help*

**Math**

If a right triangle has a leg of 13 feet and a hypotenuse of 22 feet what is the length of the other leg

*Friday, December 16, 2016 by Ashlene*

**Algebra**

Can someone help me with these two equations, I need to solve them by completing the square, I know the answers, (Number 1 is -11.56, 1.56, and number 2 is -10.35, 1.35) I just canâ€™t remember how to get those numbers again, I have so much math on my paper I ...

*Friday, December 16, 2016 by Aaron*

**math**

A body moves in a straight line so that its distance 'x' from a fixed point after 't' seconds is given by the formula x=9t^2Ã·2-t^3Ã·2 find: a; its velocity after 2 seconds b; its velocity when the acceleration is 0???

*Friday, December 16, 2016 by pius *

**Math (please help!!)**

What information is incorrectly placed in the table? i65.tinypic(.)com/301mqo4.jpg I really don't know, can someone give me a hint?

*Friday, December 16, 2016 by Ren*

**math**

a 19 foot ladder leans against the top of a house. if the house is 15ft high how far is the foot of the ladder from the base of the building.

*Friday, December 16, 2016 by grazzy*

**math**

Part of the road is to be on a parabolic curve given by a function of the form y = ax2 + bx + c where x and y are local co-ordinates. The road alignment must pass through the following 3 points:- x = 150m y = 190.650m x = 300m y = 611.450m x = 450m y = 831.141m 5.1. Substitute...

*Friday, December 16, 2016 by k*

**Math**

a photocopier increase the sides of a square in a ratio of 5:4. what percentage has the size increased?

*Friday, December 16, 2016 by Sarah*

**Math - Coordinate Geometry**

The vertices of a quadrilateral are A(-2,3), B(5,4), C(4, -3) and D(-3, -4). Prove that ABCD is a rhombus. Find the area of ABCD. Please show working out, thanks.

*Friday, December 16, 2016 by Anonymous*

**Math**

By direct use of the definition of a derivative, the derivative of f(x) = 1/x ?

*Friday, December 16, 2016 by Jolly*

**Math - Coordinate Geometry**

Find the equation of the line which passes through the point (6, -4) and is parallel to to the line 2x-3y+3=0. Please show working out as well, thanks.

*Friday, December 16, 2016 by Anonymous*

**Math**

Binomial distribution if mean 10 AND VARIANCE 9 find mide

*Friday, December 16, 2016 by Anonymous*

**math**

If I drove 3078 miles on Monday an drove 582 miles on Tuesday how many miles did I drive altogether.

*Friday, December 16, 2016 by nydria*

**Math 4th Grade**

example teacher has on sheet is: 400 = 10 x h 40 =10 x 4 400 = 10 x 40 So, h = 40 so how does my grandson do this problem the same way? 280 = 2 x m This grandma has no idea. Thanks for you help.

*Thursday, December 15, 2016 by Robin*

**Measurement/math**

A wheel rotates 35 times going 100 feet. How big around is the wheel? I don't know where to start....

*Thursday, December 15, 2016 by Rochelle*

**Math**

Emily has 5u game cards. John has 8/3 fewer cards than Emily. Find the average number of game cards that Emily and John have in all in terms of u.

*Thursday, December 15, 2016 by Anonymous*

**MATH 2**

It is found that the number of raisins in a box of a popular cereal is normally distributed, with a mean of 133 raisins per box and a standard deviation of 10 raisins. My cereal box has 147 raisins. What is the z-score for this box of cereal?

*Thursday, December 15, 2016 by James*

**Math 1**

In a study of 500 men, diastolic blood pressure was found to be approximately normally distributed, with a mean of 82 millimeters (mm) of mercury and standard deviation of 10 millimeters. Use the 68-95-99.7% rule to determine what percentage of the test group had a diastolic ...

*Thursday, December 15, 2016 by Amy*

**Math**

Jason earns &10.59 per hour. He works 5.75 hours Saturday how much money does he earn Saturday? I know the answer is $60.89 but there's two answer so I don't know if you round 60.89

*Thursday, December 15, 2016 by Jenny*

**MATH**

Freddy paid w dollars for a camera and $120 for an additional camera lens. If the sales tax is 8%, how much did Freddy pay for the camera and lens, including the sales tax?

*Thursday, December 15, 2016 by Anonymous*

**Math**

In a study of 800 men,diastolic blood pressure was found to be approximately normally distributed, with a mean of 84 millimeters (mm) of mercury and standard deviation of 10 millimeters. Use the 68-95-99.7% rule to determine what percentage of the test group had a diastolic ...

*Thursday, December 15, 2016 by Joe*

**math**

Emily has 5u game cards. John has 8/13 fewer game cards than Emily. Find the average number of game cards that Emily and John have in all in terms of u.

*Thursday, December 15, 2016 by Anonymous*

**math algebriac expressions**

If 6 tablespoons are equivalent to 1 fluid ounce, how many fluid ounces are in (10t-4) tablespoons?

*Thursday, December 15, 2016 by Anonymous*

**Business Math**

3.) The demand equation for a certain product is q=500-40p+p^2 here p is the price per unit (in dollars) and q is the quantity of units demanded (in thousands). Find the point elasticity of demand when p = 15. If this price of 15 is increased by 1/2%, what is the approximate ...

*Thursday, December 15, 2016 by pypski*

**Math**

A movie theater charges $11 for each adult and $6 for each ticket. one day, they sold 163 tickets and made $1578. How many of each ticket did they sell?

*Thursday, December 15, 2016 by ------------*

**Math**

Simplify 4 (n-6)

*Thursday, December 15, 2016 by Caleb *

**Math**

A bag is full of marbles. 10 blue, 11 red, 3 green, 16 yellow. What percentage of marbles are yellow

*Thursday, December 15, 2016 by Caleb *

**MATH :(**

In one version of equations i cant get... Its really messing me up!

*Thursday, December 15, 2016 by WHY*

**Math**

Two fractions with different denominators have a sum of 11/12 what are two possible addends that result in the sum?

*Thursday, December 15, 2016 by Andrea*

**Math**

Statistical questions will have. A)Only one correct answer**** B)A variety of answers C)Fewer than three answers D)No answers

*Thursday, December 15, 2016 by Anon*

**Math**

My son has the numbers 1-12. In a square all sides must add up to 25. Each number can only be used once apart from the corners as they will be used twice to form the square pleaseee hellpppp

*Thursday, December 15, 2016 by Stacy*

**Math**

I'm really confused on how to do this, Can someone help walk me through? An object is placed in front of a concave mirror as shown in the diagram below. A. Draw at least two rays that demonstrate how this mirror produces an image. (4 points) Image B. Describe the image ...

*Thursday, December 15, 2016 by Mailbox-Kun *

**math**

Fariza gave .3 of her flowers to her sister, 4/7 of the remainder to her brother. Fariza remained with 45 flowers. a) Calculate the percentage of flowers Fariza kept for herself. b) How many flowers Fariza had at the begining? c) Calculate how many more flowers her brother ...

*Thursday, December 15, 2016 by indira*

**math**

sharon's onions cost $2.75/200g and Arnold's Onions cost $3.00/1/4kg a) Which of the vendors is selling onions more expensive/ b) How much would 1kg of onions cost?

*Thursday, December 15, 2016 by indira*

**math **

please help me im really confused i keep changing my answer and i have no clue what the answer is write a rule for the function represented by the table input (x) 0, 1, 2, 3, 4, output (y) 3, 6, 9, 12, 15,

*Thursday, December 15, 2016 by depression*

**Math Help**

Math unit test. (1) write the fraction 1/8 as a percent. round to the nearest hundredth of a percent where necessary. 12.50% 37.50%**** 62.50% 80.00%

*Thursday, December 15, 2016 by Jimmy*

**math**

46 + 2d = 10 + 5d How would i do this problem step by step. I need these notes for the future

*Thursday, December 15, 2016 by edgard*

**math**

The scatterplot shows the number of minutes spent reading (x) and the number of pages read (y) by each of seven students last night. Use the labeled points to create a linear model that predicts the number of pages that a typical student reads in x minutes. Which equation ...

*Thursday, December 15, 2016 by maddie*

**MATH HELP PLEASE**

Find the digit that makes _1,258 divisible by 9? List all the factors of the number 30? Find the prime factorization of the number 168?

*Thursday, December 15, 2016 by bler*