3 years ago

Which quadrilateral has diagonals that are always

Mathematics

2 answers:

Flura [38]3 years ago

7 0

The answer is:
1) square

Alenkinab [10]3 years ago

3 0

The answer is 1 :) hope I helped

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Simplify 2√2-√3 --------------- √2+√3

serious [3.7K]

Step-by-step explanation:

$= \frac{2 \sqrt{2} - \sqrt{3} }{ \sqrt{2} + \sqrt{3} }$

$= \frac{2 \sqrt{2} - \sqrt{3} }{ \sqrt{2} + \sqrt{3} } \times \frac{ \sqrt{2} - \sqrt{3} }{ \sqrt{2} - \sqrt{3} }$

$= \frac{ 2( \sqrt{2} - \sqrt{3} )( \sqrt{2} - \sqrt{3} )}{ { \sqrt{2} }^{2} - { \sqrt{3} }^{2} }$

$= \frac{2(2 - \sqrt{6} - \sqrt{6} - 3) }{2 - 3}$

$= \frac{2( - 1 - 2 \sqrt{6} )}{ - 1}$

$= \frac{ - 2(1 + 2 \sqrt{6} )}{ - 1}$

$= 2(1 + 2 \sqrt{6} )$

$= 2 + 4 \sqrt{6}$

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2 years ago

8. What is the solution to the system? { x + y + z = 3 2x-y + 2z = 6 3x + 2y - Z=13

pogonyaev

Answer:

x,y, and z is 4,0, -1

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3 years ago

Which number is such that when it's ÷ 27 30 or 45 the remainder is always three

rewona [7]

Answer:

closest answer = 81

Step-by-step explanation:

81/27 = 3

81/30= 2.7

81/45 = 1.8

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4 years ago

A triangle has side lengths of 15, 20, and 25. What type of triangle is it?

Vinvika [58]

Acute triangle is the answer

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3 years ago

Read 2 more answers

Drag each tile to the correct box.

Stolb23 [73]

Answer:

Step-by-step explanation:

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3 years ago