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Maths

02/27/16

Maths Question

A pile of newspapers in Mrs. McGarth's art class was 17 3/4 inches high. Each consective week, for the next 5 weeks, the height of the pile of newspapers increased by 8 7/12 inches. What was the... more

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Maths

02/27/16

Maths Question

A pile of newspapers in Ms. McGarth's art class was 17 3/4 inches high. Each consecutive week, for the next 5 weeks, the height of the pile of newspapers increased by 8 7/12 inches. What was the... more

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Maths Algebra Mathematics

02/25/16

Andy had a number of apples. He gave 1/3 of them to Cheryl and 1/4 of them to Ken. If he has 35 apples left, how many did he start with?

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Maths

02/24/16

Help with maths question

A spherical party ballon is blown up to help decorate a room. Find the volume of air, correct to 2d.p. Need for the ballon to be: a)10cm wide b)20 cm wide c)30cm wide 2) if the ballon pops... more

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Maths

02/24/16

Help with maths question

A sphere just fits inside a cube. What is the surface area of the sphere as a percentage of the surface area of the cube? Round answer to nearest percentage.

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Maths

02/23/16

Finding the amount at the end of four hours

One hundred milligrams of a drug are given to a patient. At the end of the hour the number of milligrams of the drug left in the body is 10% less than at the beginnig of the hour. How many... more

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Maths

02/22/16

Find two consecutive whole numbers such that the greater added to twice the smaller is 52

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Maths

02/20/16

maths problem solving

Jo is setting out on a motorway drive to Birmingham in her rather elderly car, which now struggles when climbing! 10% of the distance Jo drives is uphill, where she can average only 56 mph; 10% of... more

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Maths Numbers Fast Fruits

02/20/16

maths problem

pls help! question- three fruits: an orange, a banana and a cherry are weighed, two at a time. the orange and the banana weigh 130 g, the banana and the cherry weigh 110 g, and the orange... more

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Maths Linear Equations High School Math Help High School Maths

02/19/16

Hi. Please help me with the following mathematical problems.

1) Show that the 3 lines with equations 2x+3y=0, x-8y=19 and 9x+5y=17 are concurrent. 2) Find the coordinates of the Point of Intersection of each of the following pairs of lines: a) 4x-3y=13... more

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Maths Math

02/19/16

Been stuck on this question for at least an hour, answer ends up being zero.

Question: Will was travelling up a steadily flowing river(4r was the river’s flow in mph) in a boat fittedwith a constant-speed outboard motor. Theboat’s speed in still water was 4V mph.He... more

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Maths

02/19/16

Maths Question

The Dempsey Family saves 5% of their monthly take home pay for vacations. Last year, their family went to the coast and had a great time. They spent their entire vacation saving of $1265, What... more

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Maths Math Mathematics

02/19/16

Homework question: Confused what the question is asking for.

The question: Trains run along the Bettingland Line between Betson and Winsome (via Hope) roughly once per hour in each direction. It is proposed to increase the frequency to be one train every 15... more

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Maths

02/18/16

Maths Question

Jarrod earns $1000 a week selling insurance. He also earns 6% commission on all of his insurances polies sold. Last week, he sold $4200 worth of insurance policies. How much money did Jarrod... more

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Maths

02/17/16

Jeans are on sale for $59 at a popular store in the mall. This is 80% of the regular price . What is the price of the jeans?

Jeans are on sale for $59 at a popular store in the mall. This is 80% of the regular price. What is the price of the jeans

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Maths Math Calculus Series

02/17/16

Find the sum of the serie

The serie 2/[(n+2)(n-1)] (n starting from 3 until infinite)

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Maths Linear High School Maths

02/16/16

Please help me with the following mathematical question.

The yield of zucchini Z kg/hectare, over a period of x hours of sunshine and y mm of rainfall is shown in the following statistics:Z= 23,28,30X= 30,50,40Y= 320,360,400a) Form a linear model in the... more

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Maths

02/16/16