3 years ago

If the train that Megan is riding covers 60 miles in 2 hours, how fast is the train traveling?

Mathematics

1 answer:

Korvikt [17]3 years ago

3 0

Speed= Distance/Time

60 miles/ 2 hours = 30 miles per hour

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The size of a television screen is measured by the length of thee diagonal of the screen. What size is a television screen that

Murljashka [212]

Answer:

approximately 6.708 feet

Step-by-step explanation:

We use the Pythagorean theorem to solve the problem, using 3 feet and 6 feet as the legs of a right angle triangle. The diagonal of the screen is therefore the "hypotenuse" of this right angle triangle, and can be determined via the formula:

$diagonal = \sqrt{(3\,ft)^2+(6\,ft)^2} \\diagonal = \sqrt{9\,ft^2+36\,ft^2} \\diagonal = \sqrt{45} \,ft\\diagonal = 3\,\sqrt{5} \,ft$

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3 years ago

A cylinder shaped container has a radius of 30 cm and a height of 100 cm. A glass sphere with a redius of 12 cm is placed inside

Artemon [7]

Vcylinder-Vsphere=water

Vcylinder=hpir^2
Vsphere=(4/3)pir^3

given

cylinderradius=30 and h=100
Vcylinder=100pi30^2=100pi900=90000pi
let's leave it in terms of pi for more exactness

sphereradius=12
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cylinder-sphere=90000pi-2304pi=87696pi
using pi=3.14
water=275365.44 cubic cm

last option is corrrect

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3 years ago

If $12.000 is invested in an account in which the interest earned is continuously

kykrilka [37]

Answer:

If 12,000 are put at an account with 2.5% compound interest in 15 years your total would be $17,379.58

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3 years ago

12. Sean lives 2.25 miles<br> from school. Write this<br> distance as a fraction in simplest form.

mars1129 [50]

It would be 2 1/4 because .25 in fraction form is 1/4 because it is a quarter and then 2

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