38 Answered Questions for the topic Measurements

08/11/19

how many pennies would make 8 kilometers

1 penny is 6/8 of an inch or 0.75 inches

07/20/19

Conversion of Degrees, Minutes to Its Half, Quarter etc...

29°18' devided by 2 I mean ((29°18)/2). How to convert degrees minutes to its half (1/2), quarter (1/4)?

05/14/19

Is there a database of global rainfall time series?

Is there any institute out there collecting time series data of precipitation, and making them accessible online? I need data for a few different locations, but: * Low spatial resolution is fine.... more

01/31/19

Down on the farm

On a very on a very hot day last week Christian's father and three helpers were working to repair the barn Christian made a gallon of lemonade and strep the men in plastic cups that each held one... more

11/24/18

Solve the sum using density formula

A plastic bag filled with air has a volume of 0.008m³. when air in the bag is squeezed into a rigid container, the mass of the container (with air) increases from 0.02kg to 0.03kg. use the density... more

08/03/18

closed cylinder with diameter 2.6 m and height 2 m. What is the maximum volume of water that one of these tanks can hold when full? nearest litre

A company makes rainwater tanks in the shape of a closed cylinder with diameter 2.6 m and height 2 m, What is the maximum volume of water that one of these tanks can hold when full? Answer to the... more

05/31/18

Paid 1000 for 1 Hectar, How much is paid for 1Km

If someone is paid 1000 for 1 Hectar, How much is he/she going to be paid for 1km?

05/01/18

measurement

How many centiliters of pure acid must be added to 6 centiliters of a 50% acid solution to obtain a 70% acid solution?

04/26/18

How do I find the base edge of a pentagonal pyramid given the height and slant height? I just need formulas.

If you need them, the height is 4 and the slant height is 5. 

04/05/18

The shape of hydrogen atom is 0.5Â. Find the volume of 1 mole hydrogen atoms in m^3

It's is related to physics. It is Based on a Vogadro's hypothesis 

02/24/18

Length, help me to find area

A gry is an old English measure fir length, defined as 1/10 of a line, where line is another old English measure for length, defined as 1/12 inch. A common measure for length in the publishing... more

09/20/17

conversion of units

The Harris family needs to purchase topsoil for their landscaping project (measuring 50 ft x 40 ft with a thickness of 6 inches of topsoil/mulch). They have two options: a) purchasing the soil in 3... more

09/20/17

Angles of triangles

One angle of a triangle measures 76∘ more than the smallest, while a third angle is twice the smallest. Find the measure of each angle.

08/22/17

a block of wood 3 cm on each side has a mass of 27 g . what is the density of the block?

it then says (hint, don't forget to find the volume of the wood.)

03/07/17

Barry wants to put a circular border around his garden, the radius of the garden is 2 feet. How much border will Barry need

circular border around his garden, radius of the garden is 2 feet 

03/07/17

Tom is going to carpet his 12 by 10 foot room how many square feet of carpeting does tom need

carpet his 12 by 10 foot room, how many square feet of carpeting does he need

01/29/17

Word Problem

Mariko has an 80:1 scale drawing of the floor plan of her house. On the floor plan, the dimensions of her rectangular living room are 1 7/8 inches by 2 1/2 inches. Mariko plans to cover the floors... more

10/02/16

you have two cups with capacity 17 and 5 ounces....

you have two cups with capacity 17 and 5 ounces. There are no markings on the cups, and you are not able to mark the cups in any way. You are given a huge bucket of water. Is it possible to measure... more

04/12/16

Please help with the following mechanical measurements homework question.

The signal, v(t) = 5cos(2πt) is measured with the following sampling periods of, 3/4 second, 1/2second, 1/8 second, and 1/30 second. Plot 10 seconds of each waveform using the “stairs()”command in... more

04/08/16

What is the area of an equilateral triangle with sides of length 1 unit?

Use the Pythagorean theorem to help you determine the are of an equilateral triangle with sides of length 1 unit. 

04/04/16

1 trillion grains of rice?

What are the dimensions of a container that i could use to show my students 1 trillion grains of rice? what familiar object could it be as big as?
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