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3 years ago

What are the similarities between a square and a trapezoid

Mathematics

2 answers:

Anna [14]3 years ago

6 0

They are both parallelograms and have 4 sides

Blababa [14]3 years ago

4 0

A square is a square a trapezoid is a lot weirder <span />

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Question number 8. Prove that 3 + √5 is an irrational number.

Marina86 [1]

Answer :

Let's assume the opposite of the statement i.e., 3 + √5 is a rational number.

$\\ \sf \: 3 + \sqrt{5} = \frac{a}{b} \\ \\ \qquad \: \tiny \sf{(where \: \: a \: \: and \: \: b \: \: are \: \: integers \: \: and \: \: b \: \neq \: 0)} \\$

$\\ \sf \: \sqrt{5} = \frac{a}{b} - 3 = \frac{a - 3b}{b} \\$

Since, a, b and 3 are integers. So,

$\\ \sf \: \frac{p - 3b}{b} \\ \\ \qquad \tiny \sf{ \: (is \: \: a \: \: rational \: \: number \:) } \\$

Here, it contradicts that √5 is an irrational number.

because of the wrong assumption that 3 + √5 is a rational number.

$\\$

Hence, 3 + √5 is an irrational number.

7 0

3 years ago

7.6375 correct to 2 decimal place

Reil [10]

I got 7.64 because you round the 3 to 4 since the 7, in the 3rd decimal place is higher than 5

4 0

3 years ago

What is the answer to 5y-3/5= 4/5

kykrilka [37]

Y = 7/25 is the answer.

3 0

3 years ago

Read 2 more answers

Two groups of hikers leave the same camp heading in opposite directions. The first group travels 4 miles north and 3 miles east.

SCORPION-xisa [38]

Answer:

The first groups travels 7 miles total, and the second group travels 7 miles in total also

Step-by-step explanation:

They are completely equal

5 0

2 years ago

The dimensions of a 4-in. square are multiplied by 3. How is the area affected? {Show work!}

Strike441 [17]

If dimensions are multiplied by 3 then area is multiplied by 3^2

3 0

3 years ago