3 years ago

Is -2018/2017 irrational or rational ?

Mathematics

2 answers:

Mars2501 [29]3 years ago

8 0

-2018/2017 is irrational.

Vedmedyk [2.9K]3 years ago

4 0

-2018/2017 is irrational

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A rectangle measures 10ft 10in. tall and 2ft 11 in wide. what is the area of the rectangle?

ivolga24 [154]

Area of a rectangle is just length x height.
It probably looks confusing because of the numbers. So just change them into only inches; 12 inches in a foot.
So the rectangle is 10ft, 10inches tall...or 10*12+10=130inches
The rectangle is 2ft 11inches wide...or 2*12+11=35 inches
So now just multiple 130*35=4550 inches^2

8 0

3 years ago

Prove that the square of an odd number is always 1 more than a multiple of 4

loris [4]

Answer:

By these examples you are able to see that the square of an odd number is always 1 more than a multiple of 4.

Step-by-step explanation:

For examples,

Let's consider squares of 3, 11, 25, 37 and 131.

${3}^{2} = 9$