Tuesday

April 21, 2015

April 21, 2015

**Math Triangles**

ABCD is a trapezium in which AB is parallel to DC and its diagonals intersect each other at point O .Show that AO/BO=CO/DO
*Friday, March 13, 2015 at 1:21am*

**math**

Suppose f varies inversely with g and that f=20 when g=4. What is the value of f when g=10?
*Thursday, March 12, 2015 at 11:53pm*

**Math**

A bus can cover a distance of 6 miles in 1 gallon of gas. The cost of gas is $4 per gallon. What will be the cost of gas used in driving the bus for 96 miles?
*Thursday, March 12, 2015 at 11:23pm*

**math**

Find the value of each markup or discount. Original: $20.00 percent of discount: 40%
*Thursday, March 12, 2015 at 10:34pm*

**satistics**

Assume that the math SAT scores are normally distributed with a mean of 500 and a standard deviation of 100. If you score 560 on this exam, what percentage of those taking the test scored below you? semperfi
*Thursday, March 12, 2015 at 10:20pm*

**math**

1. A helicopter left Calgary and travelled 135 km west into the Rocky Mountains at an average speed of 2x^2 + 3x km/h. The return journey was at an average speed of 4x^2 - 9 km/h. a) Write and simplify an expression for the total flying time in hours. b) If the value of x is 6...
*Thursday, March 12, 2015 at 10:07pm*

**Math**

a. Which values from the set {1, 2, 3,4} are solutions of (line _ this > )2x +5) Show your work? b. which values from the set {1,2,3,4} are solutions of 11 > 2x + 5? Show your work. How are your answer from parts a and b different? How can I tell the answers are ...
*Thursday, March 12, 2015 at 9:51pm*

**Hate Math**

Consider the expression: (28/4). 5-6 + 4square. Explain the order of operations you would use to simplify this expression. then simplify it.
*Thursday, March 12, 2015 at 9:42pm*

**Math**

Which expression is equivalent to "5 times the difference between a number and 14"? a. 5(n - 14) b. 5n - 14 c. n - 14 x 5 d. n - 14 / 5
*Thursday, March 12, 2015 at 9:23pm*

**Math**

Using the expression 56xy + 5 -6x + y/20,find the following: a. Find two sums. b. find the terms of the expression. c. find a product of two factors. Find the coefficient in the product. d. Find the quotient. This is to hard. Where do I start?
*Thursday, March 12, 2015 at 9:15pm*

**Math**

carl wants to plant a garden that is 1 1/2 yards long and has an area of 3 1/2 square yards. How wide should he make the garden? a. 3/7 yard b. 2 yards c. 2 1/2 yards d. 5 1/4 yards Help please.
*Thursday, March 12, 2015 at 9:10pm*

**Math**

You run 21 miles in 6 days. find the rate.
*Thursday, March 12, 2015 at 8:58pm*

**Math**

A pilot surveys a flat circular area represented by 4pi square inches on a map. If 1 inch on the map represents 60 miles, how many square miles does the pilot survey?
*Thursday, March 12, 2015 at 8:58pm*

**Math**

So, my teacher wants me to sketch the graph of a system of inequalities but I'm not sure how. Can someone help me? Thank you! 3x + 2y < 6 x > 0 y > 0
*Thursday, March 12, 2015 at 8:32pm*

**Math**

Which is greater: three sets of (5 - 2) or two sets of (2 + 3)? Draw diagrams to support your conclusion.
*Thursday, March 12, 2015 at 8:09pm*

**math**

How do you solve percent of change? My problem says identify the percent of change as an increase or decrease. Find the percent change. Round to the nearest 10th. 20 to 25
*Thursday, March 12, 2015 at 8:08pm*

**Math**

Maurice lives 4 miles east of Drew. Chris lives 1 mile east of Maurice. Randy lives 2 miles east of Drew. Everyone lives on the same road. How far away from Drew does Chris live?
*Thursday, March 12, 2015 at 7:50pm*

**math**

The Gilbert's re designing a rectangular patio. The patio has an area of 432 square feet. The width of the patio is 3/4 of its length. What is the length of the patio? I really tried it but my teacher was not getting really in dept with this problem. Please help me. Ii ...
*Thursday, March 12, 2015 at 7:50pm*

**Math**

Several friends each had 2/5 of a bag of peanuts left over from a baseball game. They realized that they could have bought 2 fewer bags of peanuts between them. How many friends went to the game
*Thursday, March 12, 2015 at 7:48pm*

**math **

The area is 40 squear feet .what is the area of this figure?
*Thursday, March 12, 2015 at 7:40pm*

**Math**

Wendy is building a set for a school play. She is putting up a fence around a rectangular plot of fake grass measuring 3 feet by 5 feet. She needs a fence post every foot. How many posts does she need?
*Thursday, March 12, 2015 at 7:27pm*

**Math**

Chad buys peanuts in 2-pound bags. He repackages them into bags that hold 5/6 pounds of peanuts.how many 2 pound bags should Chad buy so that he he can fill the 5/6 pound bags without any leftovers Common multiple of 5,6 is 30 how 6 goes into 30 5 times equals 5?
*Thursday, March 12, 2015 at 7:24pm*

**math**

Berkley has 10 pieces of ribbon that are 2 yards each. She uses 8 pieces that are each 3 feet long.
*Thursday, March 12, 2015 at 7:15pm*

**math**

Serena paid $20.20 for 36 rulers and folders. She bought 16 more folders than rulers. If each folder cost $0.50 more than each ruler, how much did each folder cost?
*Thursday, March 12, 2015 at 7:07pm*

**math**

Lexi and Maria had $250 altogether. After Lexi spent25of her money and Maria spent $40, they had the same amount of money left. How much money did Lexi have in the beginning?
*Thursday, March 12, 2015 at 7:06pm*

**Math **

Wendy is building a set for a school play. she is putting up a fence around a rectangular plot of fake grass measuring 3 feet by 5 feet. She needs a fence post every foot. How many posts does she need?
*Thursday, March 12, 2015 at 6:58pm*

**Math**

Maurice lives 4 miles east of Drew. Chris lives 1 mile east of Maurice. Randy lives 2 miles east of Drew. Everybody lives on the same road. How far away from Drew does Chris live?
*Thursday, March 12, 2015 at 6:54pm*

**math**

Am average 10 year old weights about 86 1/2 pounds and has muscles that weigh about 34 1/5.Find the difference between these two weights.
*Thursday, March 12, 2015 at 6:51pm*

**math homework**

how do you convert a REGULAR fraction into a mixed number.
*Thursday, March 12, 2015 at 6:24pm*

**math**

0 -> 24 1 -> 21 2 -> 18 Hint: arrange in order: 0 -> 24 1 -> 21 2 -> 18 please help me find the rule
*Thursday, March 12, 2015 at 6:16pm*

**Math**

Phil has a box of 16 pencils he wants to put 1/4 of them into his desk draw find a fraction equivalent to 1/4 that shows how many pencils he puts into his drawer
*Thursday, March 12, 2015 at 6:06pm*

**math: in and out table rules**

0 -> 24 1 -> 21 2 -> 18 Hint: arrange in order: 0 -> 24 1 -> 21 2 -> 18 What's special about the "in" numbers here? Please help me find the rule
*Thursday, March 12, 2015 at 5:49pm*

**Math**

How do you find the height of a rectangular prism if you have the length, width, and holds 300 cubic inches of water?
*Thursday, March 12, 2015 at 5:47pm*

**Math**

It took Michael 15 minutes to walk from his house to his friends house would you measure the distance he walked in linear or square units ?
*Thursday, March 12, 2015 at 5:41pm*

**Math**

Jeremy collected nickels for 1 week. He is making stacks of his nickels to determine how many he has. The thickness of 1 nickel is 1/16 inches. -How tall is a stack of 16 nickels? -What is the combined height of 3 nickels, 2 nickels, and 1 nickel?
*Thursday, March 12, 2015 at 5:29pm*

**math**

. A ship leaves an island (5°N, 45° E) and sails due east for 120 hours to another island. Average speed of the ship is 27 knots. (a) Calculate the distance between the two islands (i) In nautical miles (ii) In kilometers (b) Calculate the speed of the ship in ...
*Thursday, March 12, 2015 at 5:27pm*

**math **

What is the measure, in degrees, of the acute angle formed by the hour hand and the minute hand of a 12-hour clock at 6:48?
*Thursday, March 12, 2015 at 5:13pm*

**Math**

Jan has 1/3 hour to warm up for her dance recital. She must complete each of 6 different stretches. How long, in hours, does she spend on each type of stretch if she spends an equal amount of time on each type of stretch? I think it would be 1/3 divided by 6 for an answer of 1...
*Thursday, March 12, 2015 at 5:07pm*

**Math**

Nikki ate 1/4 of a pizza. The pizza had more than 4 slices. Which fraction describes how much of the pizza Nikki could have eaten ? A. 3/10 B. 2/8 C. 2/6 D. 4/12
*Thursday, March 12, 2015 at 5:05pm*

**math **

The outside diameter of a pipe is 5 and 7/32 inches. The walls of the pipe are 5/32 inches thick. find the inside diameter
*Thursday, March 12, 2015 at 4:01pm*

**math REALLY NEED SOME HELP**

question 10 on unit math review find the are....its hard!
*Thursday, March 12, 2015 at 4:00pm*

**math**

You have 160 boxes of cookies. In each case you can pack 8 boxes of cookies. How many cases would be filled from these boxes of cookies? I'm not sure if i do 160*8 or what i believe its 20 instead of 1280
*Thursday, March 12, 2015 at 3:27pm*

**math**

How much interest is earned on $470 at 4% for seven years?
*Thursday, March 12, 2015 at 3:18pm*

**math**

The temperature dropped from 6 Celsius to -5 Celsius. How many degrees did the temperature drop?
*Thursday, March 12, 2015 at 3:12pm*

**periodic functions(math)**

A vessel is crossing a channel. The depth of the water(measured in metres) varies with time and is represented by the following equation: d(t)=2.5sin(0.523t)+2.9 a. create a graph showing the depth of the water over 24 hours. b. what is the period of this function and what ...
*Thursday, March 12, 2015 at 2:28pm*

**Math**

At the local grocery store, 6 bananas and 3 oranges cost $10. Also, 3 bananas and 5 oranges cost $12. What is the combined cost of one banana and one orange at the local grocery store? Round to the nearest cent.
*Thursday, March 12, 2015 at 2:26pm*

**Math**

Find the Due date and maturity value for a $28,400 loan made to Henry Koolio on March 12 for 6 months at 9% interest. a. A total of $29,678 must be repaid on September 12. b. total of $29,678 must be repaid on October 12. c. A total of $1,278 must be repaid on September 12. d...
*Thursday, March 12, 2015 at 1:48pm*

**Math**

The Romascos hope to have $2,000 in 3 years for a down payment on a new pool. They invest $1,000 in an account that pays 8% interest at the end of each year. Will they have enough money at the end of 3 years to meet their goal of a down payment? What is the difference between ...
*Thursday, March 12, 2015 at 12:58pm*

**math**

Julie's birthday is May 1. She wants to buy a new camera that costs $70. She decides to save 1 cent on Jan. 1, 2 cents on Jan. 2. 3 cents on Jan. 3 and so on. Will she have enough to buy the camera on her birthday?
*Thursday, March 12, 2015 at 12:53pm*

**math**

if there is 3 crusts 3 cheeses and 7 toppings how many different combinations of 1 crust 3 different toppings and 1 cheese does the store offer
*Thursday, March 12, 2015 at 12:51pm*

**math**

The Ferris wheel at the county fair is 30 feet tall. If a person rides the Ferris wheel around 4 times, how far has he traveled? 60 ft 120 ft 90.8 ft 376.8 ft please answer as soon as possible
*Thursday, March 12, 2015 at 11:43am*

**Math**

My 10th grade teacher gave us geometry homework and this problem has me stumped for sure. This rhombus has three interior angles: (5x-2)°, (8y+2)°, and (3x+22)° . We are supposed to find the value of x and y. I tried to use an equation by assigning the fourth angle...
*Thursday, March 12, 2015 at 11:35am*

**Math**

A bag contains 1 red, 7 black and two yellow marbles. What is the probability of selecting 1 yellow marble, not replacing it then selecting another yellow marble? How do you solve this?
*Thursday, March 12, 2015 at 8:31am*

**math**

Consider a cantilever beam of length l loaded by force P at the free end. If the deflection is given by y(x)=(P/6EI)(x³-3/x²) m Find the deflection and slope of the deflection at the free end of x=l
*Thursday, March 12, 2015 at 6:06am*

**math (answer check)**

The coordinates of two vertices of triangle DEF are D(-5,5) and E(9,8). Determine two possible coordinates for for F that would make DEF a right triangle ? ans: slope DE = 8-5 / 9 - (-3) = 3/12 I don't know this part :how to Determine two possible coordinates for for F ...
*Thursday, March 12, 2015 at 12:24am*

**Math**

Alan scored a total of 14 points for answering all the 15 questions on a math quiz. For every correctly answered question, Alan got 2 points. For every wrong answer, he lost 2 points. How many questions did he answer correctly?
*Wednesday, March 11, 2015 at 11:06pm*

**Math**

The Gilberts are designing a rectangular patio for their backyard. The patio has an area of 432 square feet. The width of the patio is 3/4 its length . What is the length of the patio ?
*Wednesday, March 11, 2015 at 9:29pm*

**Math**

Rachel wants to carpet the rectangular floor of his basement . The Basement has an area of 864 square feet . The width of the basement is 2/3 its length. What is the length of Rachel's basement.
*Wednesday, March 11, 2015 at 9:28pm*

**Math**

The Gilberts are designing a rectangular patio for their backyard. The patio has an area of 432 square feet. The width of the patio is 3/4 its length . What is the length of the patio ?
*Wednesday, March 11, 2015 at 9:18pm*

**math**

Rachel wants to carpet the rectangular floor of his basement . The Basement has an area of 864 square feet . The width of the basement is 2/3 its length. What is the length of Rachel's basement.
*Wednesday, March 11, 2015 at 9:15pm*

**5th grade Math**

4 x blank is greater than 12 but less than 16. Answers can be in mixed fractions and/or improper fraction. Can someone please explain how to do this?
*Wednesday, March 11, 2015 at 8:56pm*

**Math 5th grade**

John brings fruit punch to a school party. He brings 6 gallons of fruit punch but the students only drink 3/4 of it. How much did they drink?
*Wednesday, March 11, 2015 at 8:48pm*

**Math - 7th grade**

Can you check following? 1. The football association wants to increase the number of students who attend the football games for the upcoming season. In order to accomplish this, the association is surveying students to gain more information about student interest in sports. ...
*Wednesday, March 11, 2015 at 7:56pm*

**Math**

Four of the angles of a hexagon measure 53°, 126°, 89°, and 117°. What is the sum of the measures of the other two angles?
*Wednesday, March 11, 2015 at 7:48pm*

**math**

12/35 stamps are from Asia. Of these Asian stamps 5/16 are from Thailand. What fraction of the stamp collection are from Thailand? I want to think I need to divide but I'm not sure it makes sense. 12/35 divided by 5/16= 12/35 times 16/5 = my answer of 192/175. Is this ...
*Wednesday, March 11, 2015 at 7:18pm*

**Math **

Jeanette is painting a rectangular wall that is 10 feet long and 8 feet tall there is a window that is 5 feet wide and 3 feet tall on the wall what is the area of the wall that Jeanette will paint
*Wednesday, March 11, 2015 at 7:07pm*

**Math **

Rob has a combined flower and vegetable garden that is 9 m long and 11 m wide the flower garden is in the center and is a square with sides of 3 m how many square meters of the garden is used for vegetables
*Wednesday, March 11, 2015 at 7:05pm*

**Math**

The inflation rate in the united states in 2014 was about 1.3%. If prices go up by 1.3% per year, how long will it take for them to double? assume that prices are increasing continuously.
*Wednesday, March 11, 2015 at 7:03pm*

**Math**

2/9 + 2/3= Please show the work
*Wednesday, March 11, 2015 at 6:49pm*

**math, **

Exponential distribution was used to model the lengths of CD-ROM drives in a two drive system. The two CD-ROM drives operate independently, and at least one drive must be operating for the sytem to eperate successfully. Both drives have a mean length of life of 25,000 hours. A...
*Wednesday, March 11, 2015 at 6:35pm*

**Math**

A car travels for 10 minutes. it's velocity is given by v=960t-5t, where t is in minutes and v is in ft/min. Find the maximum speed in ft/min during those minutes. Please help I have no idea how to solve this problem.
*Wednesday, March 11, 2015 at 5:55pm*

**math **

One interior angle of a triangle has a measure that is equal to the sum of the measures of the other two angles of the triangle. What is the measure of the smallest exterior angle of the triangle in degrees?
*Wednesday, March 11, 2015 at 5:41pm*

**math**

When the measures of the angles of a triangle are placed in order, the difference between the middle angle and smallest angle is equal to the difference between the middle angle and largest angle. If one of the angles of the triangle has measure 23 degrees, then what is the ...
*Wednesday, March 11, 2015 at 5:39pm*

**math**

The ratio of measures of two complementary angles is 4 to 5. The smallest measure is increased by 10%. By what percent must the larger measure be decreased so that the two angles remain complementary?
*Wednesday, March 11, 2015 at 5:01pm*

**math**

logan isn't 2 years older than Lindsey. Five years ago the sum of their ages was 30. Find Lindsey current age. X-5+2x-5=30. -1 + 0= 30. I don't think this right I tried I can't get the right answer. According to the common core the answer is supposed to be 19. ...
*Wednesday, March 11, 2015 at 4:58pm*

**math**

An aeroplane leaves a runway and climbs at an angle of 15 degrees. After flying 800 meters, how high is it above the runway?
*Wednesday, March 11, 2015 at 4:28pm*

**Math **

SAME THING AS FIRST ONE Mr Russo has 2856 raffle tickets that he will distribute evenly to some of his neighbors. he wants to give the tickets to at least 3 neighbors but no more than 10 neighbors. to how many neighbors can he give raffle tickets so there are none left over? ...
*Wednesday, March 11, 2015 at 4:07pm*

**Math**

DIVISIBILITY Dr davis wants to divide 8487 tongue depressors evenly among some containers. she has 10 containers but does not need to use them all. how many containers could she use so there are no tongue depressors left over?
*Wednesday, March 11, 2015 at 3:59pm*

**math**

a deposit of 4000 at 6.5% for 270 days show amount of interest earned answer 2870
*Wednesday, March 11, 2015 at 2:17pm*

**Math**

1. The radius of a circular disc is 5.8 inches. Find the circumference. Use pi = 3.14 18.212 in 36.424 in *** 42.34 in 54.63 in 2. Name the geometric solid shape suggested by a frozen juice can. Sphere Rectangular prism Pyramid Cylinder ***
*Wednesday, March 11, 2015 at 1:57pm*

**Math**

Find the are of a parallelogram with base b and height h. b =82 cm h = 16.6 1,361.2 cm^2*** 6,724 cm^2 137.78 cm^2 98.6 cm^2
*Wednesday, March 11, 2015 at 1:52pm*

**MATH miss.sue**

okay 4 friends had 19 Pieces of candy and how many pieces of candy will each friend get? HELP PLZ
*Wednesday, March 11, 2015 at 1:52pm*

**Math**

Lionel's front yard is in the shape of a square and has an area of 225 square meters. What is the length in meters of one side of Lionel's front yard? 112.5 56.25 25 15 ***
*Wednesday, March 11, 2015 at 1:42pm*

**Math**

Find the volume of a triangular prism with the following dimensions. Round to the nearest whole number. Triangle Base:- 7ft Triangle height:- 4ft Prism height:- 8.5ft 20 ft^3 65 ft^3 119 ft^3 *** 238 ft^3
*Wednesday, March 11, 2015 at 1:37pm*

**math**

How do I find the area of a triangular prism, with a square and a triangle, in the shape.
*Wednesday, March 11, 2015 at 1:36pm*

**6th Grade Geometry**

Hello, I'm having trouble doing this math geometry someone help me please? Thanks: Calculate the area of the trapezoid which is not drawn to scale. It is not a regular trapezoid! It looks like a rectangle and when you get to the top cut the rectangle and make the part you ...
*Wednesday, March 11, 2015 at 10:07am*

**language arts**

WEDNESDAY March 11, 2015 SCHOOL SUBJECTS Art Business Computers English Foreign Languages Health Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th ...
*Wednesday, March 11, 2015 at 9:45am*

**math**

what is the length of rectangle with an area of 48 yd 2 and a width of 3 yd 8 16 18 21 i think its c but any one can answer
*Wednesday, March 11, 2015 at 9:38am*

**math**

a tray with a square base is to be made from a square piece of cardboard by cutting 5 inch squares from each corner and folding up the sides. If the box is to hold a volume 520 cubic inches, find the length of the piece of cardboard that is needed.
*Wednesday, March 11, 2015 at 8:16am*

**Math Problems**

Hi! Someone was helping me with these yesterday but I really didn't get anywhere because I was still confused. So if someone else could help me, that would be great! Thanks! Directions: Write out the partial fraction decomposition of the following rational expression. 1.) ...
*Wednesday, March 11, 2015 at 7:58am*

**math**

what is the fraction of 1 fourth?
*Wednesday, March 11, 2015 at 2:17am*

**math**

True or false? If f is continuous at x = c, then f is differentiable at x = c.
*Wednesday, March 11, 2015 at 1:37am*

**math**

Which of the following is the best linear approximation for f(x)equals sin(x) near x equals =π seconds? y=-x+pie-1 y=-1 y=-x-pie y=-x+pie
*Wednesday, March 11, 2015 at 1:36am*

**MATH**

What is the slope of a line at a 45* angle? why?
*Wednesday, March 11, 2015 at 12:06am*

**math**

w w esquire
*Wednesday, March 11, 2015 at 12:03am*

**math**

The Blue Ridge Trail starts at Park Headquarters in Big Bear Park and goes up the mountain. The Green Creek Trail starts at Park Headquarters and goes down the mountain. The table gives elevations of various points of interest in relation to Park Headquarters. How many points ...
*Wednesday, March 11, 2015 at 12:00am*

**Math**

A surgical technique is performed on 7 patients. There is a 70% chance of success. Find the probability that the surgery is successful for at least 5 patients and what is the expected number of successes out of 20 surgeries. My attempt was: P(xmore than or equal to 5)= P(x=5...
*Tuesday, March 10, 2015 at 11:31pm*

**math**

write 1.5 billion as a standard numeral
*Tuesday, March 10, 2015 at 11:07pm*

**math**

Jose wants to find how many gallons of water he needs to fill his cube-shaped aquarium. One side of his aquarium is 4 feet long. a)Write and solve an expression to find the volume of Jose's aquarium. b)One cubic foot is equal to 7.48 gallons of water. How many gallons of ...
*Tuesday, March 10, 2015 at 10:58pm*

**math**

In 2000, about 51% of the 280,000,000 US citizens were women. Their median age was 36.6. About how many of these women were younger than age 36.6?
*Tuesday, March 10, 2015 at 10:56pm*