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sesenic [268]
3 years ago
13

The total number of atoms represented by the formula K₂CrO₇ is * 10 28 1 3

Mathematics
1 answer:
sesenic [268]3 years ago
5 0

Answer:

is 3

Step-by-step explanation:

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Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.
Oduvanchick [21]

Answer:

  see attached

Step-by-step explanation:

The Pythagorean theorem can be used to find the hypotenuse associated with each pair of legs. That tells you ...

  c² = a² +b² . . . . . legs a, b; hypotenuse c

__

<h3>alternate form of Pythagorean theorem</h3>

For the purpose of this problem, it is convenient to consider a slightly different form of the equation.

For legs √a and √b, the hypotenuse √c is given by ...

  (√c)² = (√a)² +(√b)²

  c = a +b

That is ...

  legs √a, √b ⇒ hypotenuse √(a+b)

__

<h3>application to this problem</h3>

Since the legs are (mostly) given in terms of square roots, the value under the radical for the hypotenuse is simply the sum of those:

legs: √1, √2 ⇒ hypotenuse √(1+2) = √3

legs: √2, √3 ⇒ hypotenuse √(2+3) = √5

legs: √5, √3 ⇒ hypotenuse √(5+3) = √8

legs: √5, √1 ⇒ hypotenuse √(5+1) = √6

_____

<em>Additional comment</em>

You may not see the leg lengths given as square roots very often. This is a rather unusual set of problems for hypotenuse length.

6 0
2 years ago
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Pls help with question 6 someone!! It’s hard
boyakko [2]

Answer:

6) AC could equal BD if ABCD were a square OR ABCD could be a rectangle.

7) I can't read all of #7

Step-by-step explanation:

4 0
3 years ago
-3<br> 3m2n)<br> Which expression is equivalent to<br> ?<br> 6mn-2
andrezito [222]

Answer:

a

Step-by-step explanation:

8 0
3 years ago
Explain the steps in calculating the mean absolute<br>deviation of a set of data.​
Sergeeva-Olga [200]

Answer:

To find the mean absolute deviation of the data, start by finding the mean of the data set. Find the sum of the data values, and divide the sum by the number of data values. ... Divide the sum of the absolute values of the differences by the number of data values.

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3 years ago
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Set up an equation for the value of x.
BlackZzzverrR [31]

Answer:

x = 27

Step-by-step explanation:

∠ GAF = 90° , then

x + 63 = 90 ( subtract 63 from both sides )

x = 27

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3 years ago
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