3 years ago

Why is it not possible to make a right triangle using lengths of 20 feet, 40 feet, and 65 feet?

Mathematics

2 answers:

kogti [31]3 years ago

8 0

20+40=60 and therefor 60 is less than 65

Alex Ar [27]3 years ago

3 0

Answer:

20+40 is greater than 65

Step-by-step explanation:

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3 years ago

Eight more than three times a number is equal to the sum of the number and 10. find the number

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Answer:

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Please do the area and perimeter for both of these shapes. Thanks!

Ymorist [56]

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3 years ago

A jewelry box is designed such that its length is twice its width and its depth is 2 inches less than its width the volume of th

Sedaia [141]

Answer:

$Volume = 2x^{3}-4x^{2}$

Step-by-step explanation:

Let x be the width of the jewellery box

Given:

Length of the box is twice its width

Length of the box = $2\times width$

Length of the box = $2\times x= 2x$

depth of the box is equal to 2 inches less than its width.

depth of the box = $width-2$

depth of the box = $x-2$

The volume of the box is 64 inches.

Solution:

We know that the formula of the volume is.

$Volume = length\times width\times depth$

Now we substitute all known value in above.

$Volume = 2x\times x\times (x-2)$

$Volume = 2x^{2}(x-2)$

$Volume = 2x^{3}-4x^{2}$

Therefore, the equation of the volume of the box is.

$Volume = 2x^{3}-4x^{2}$

5 0

3 years ago