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gizmo_the_mogwai [7]
3 years ago
9

What is dehydrogenation ?

Mathematics
1 answer:
Setler [38]3 years ago
5 0

Answer:

Dehydrogenation is the a chemical reaction that involves the removal of hydrogen, usually from an organic molecule. It is the reverse of hydrogenation. Dehydrogenation is important, both as a useful reaction and a serious problem.

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Please help thank you.
MA_775_DIABLO [31]
Question 1:

To start off this question, we can tell that this is a square because it has 4 right angles and 4 congruent sides.

A square has four parallel sides and 4 congruent sides, so a square is a rhombus and parallelogram. 

A square has 4 right angles, so it's also a rectangle.

A square has 4 sides, so it's also a quadrilateral.

The first choice is your answer.

Question 2:

Not all quadrilaterals are rectangles, so A is incorrect.

Not all quadrilaterals are squares, so B is incorrect.

All rectangles are types of quadrilaterals, so C is correct.

Not all quadrilaterals are parallelograms, so D is incorrect.

Thus, C is your answer.

Question 3: 

The first choice will not work because a rhombus will satisfy those conditions, and a rhombus is not always a square.

The second choice will work because only a square will satisfy that condition because only squares have 4 congruent sides along with equal diagonals.

Thus, the second choice is your answer.

Have an awesome day! :)
7 0
4 years ago
(3.14) please help me as soon as possible ....
Luden [163]
37.68 is the correct answer
6 0
3 years ago
Read 2 more answers
Please help!!!!!!!!!!!!!!!!!!!
disa [49]

Answer:

3√11

Step-by-step explanation:

You use the Pythagorean Therom, 18^2-15^2 give you 99. You find the square root of 99, you break it down into 9 and 11. Take the square root of 9, which is three, and you cant seperate 11. So thats how you get 3√11

4 0
3 years ago
Read 2 more answers
What is the possible answer?
lana [24]

Standard form of a quadratic equation: ax^2 + bx + c = 0

3x - 4 = -x^2

x^2 + 3x - 4 = 0

Hope this helps!

3 0
3 years ago
Write 3x^3-21x^2+36x in factored form
Agata [3.3K]
Factor each
3x^3=3*x*x*x
21x^2=3*7*x*x
36x=2*2*3*3*x

factor out 3x
3x(x^2-7x+12)
what 2 numbers multiply to get 12 and add to get -7?
-3 and -4
3x(x-3)(x-4)
3 0
3 years ago
Read 2 more answers
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