Could 7.7\text{ cm}, 4.0\text{ cm},7.7 cm,4.0 cm,7, point, 7, start text, space, c, m, end text, comma, 4, point, 0, start text, space, c, m, end text, comma and 1.7\text{ cm}1.7 cm1, point, 7, start text, space, c, m, end text be the side lengths of a triangle?

The given three sides can not form a triangle.

Step-by-step explanation:

Given three sides:

Length of first side = 7.7 cm

Length of second side = 4.0 cm

Length of third side = 1.7 cm

To find:

Whether these three sides can possibly be the three sides of a triangle ?

Solution:

Here, we can use the property of sides of a triangle:

The sum of the lengths of any two sides must be greater than the length of third side.

Now, let us try to verify this property.

Length of first side + Length of second side = 7.7 + 4.0 = 11.7 cm which is greater than the length of third side i.e. 1.7 cm

Length of first side + Length of third side = 7.7 + 1.7 = 9.4 cm which is greater than the length of second side i.e. 4.0 cm

Length of second side + Length of third side = 4.0 + 1.7 = 5.7 cm which is not greater than the length of first side i.e. 7.7 cm

Therefore, the property does not hold true.

It can be concluded that, the given three sides can not form a triangle.

Well, the first important step is to give some attention to understanding
what the question is.  In this case, the question probably had something
to do with finding a "unit rate".  That means how many pages in each minute.

To find the number of "pages per minute", just divide the (number of pages)
by the (number of minutes).

(20 pages) / (30 minutes) = (20/30) = (2/3) page per minute .

If you'd rather have that answer in the form of a decimal instead of a fraction,
then you could either take a pencil and divide 2 by 3 to get the decimal, or
else take your calculator and punch in  ' 2 '  ' ÷ '  ' 3 '  ' = ' .  Either way, you
find that the decimal equivalent of 2/3 is 0.666... .  The 6s keep going forever
and never end.