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cupoosta [38]
3 years ago
9

A mineral can be scratched by an iron nail. What can you conclude?

SAT
2 answers:
Helga [31]3 years ago
7 0

Answer:

The hardness is more than 2.5.

Explanation:

might be a different questions answer but i hope it helped

koban [17]3 years ago
4 0

Answer:

Explanation:

Ur dad left

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What is the difference written in scientific notation 0. 67.
Elis [28]

Answer:

6.47x10-5

Explanation:

I just did it on my I ready test

7 0
2 years ago
The graph of y=f(x) is shown above. Which of the following could be the graph of y=f′′(x)?.
AfilCa [17]

The true statement about the graph of f(x) is f(x) = \frac 35x + 3

The graph of f(x) is a straight line that passes through the points (-5,0) and (0,3).

Start by calculating the slope (m)

m = \frac{y_2 - y_1}{x_2 -x_1}

So, we have:

m = \frac{3-0}{0--5}

Simplify

m = \frac{3}{5}

The equation of the line is then calculated as:

y = m(x -x_1) + y_1

This gives

y = \frac 35(x -0) + 3

Open bracket

y = \frac 35x + 3

Express y as a function of x

f(x) = \frac 35x + 3

Hence, the true statement about the graph of f(x) is f(x) = \frac 35x + 3

Read more about linear models at:

brainly.com/question/25603458

6 0
2 years ago
The mean yearly rainfall in Sydney, Australia, is about 137 mm and the standard deviation is about 69 mm ("Annual maximums of,"
Maru [420]

Answer:

I hope this answers the question

Explanation:

5 0
3 years ago
A book has a mass of 400g the surface of the book in contact
Brut [27]

Answer:

The pressure exerted on the table due to the book is 200 N/m².

Explanation:

The pressure exerted on the table due to the book is 200 N/m².

The given parameters;

mass of the book, m = 400 g = 0.4 kg

dimension of the table,  = 0.10m x 0.20 m.

gravitational field strength g =  10 N/kg.

The area of the table is calculated as follows;

A = 0.1 x 0.2 = 0.02 m²

The pressure exerted on the table due to the book is calculated as follows; where;

F is the force of the book due to its weight

Thus, the pressure exerted on the table due to the book is 200 N/m².

8 0
2 years ago
This excerpt most clearly conveys Lady Bracknell’s belief that makes someone more desirable.
Ugo [173]

This excerpt most clearly conveys Lady Bracknell’s belief that wealth makes someone more desirable.

  • From the story "The importance of being Earnest",. a conversation bean between Mr. Worthing and Lady Bracknell's about Miss Cardew as to if she had little fortune or not.

  • When the response came that Miss Cardew had about hundred and thirty thousand pounds in the funds and not not as little as she had taught. This alone spike the interest of Lady Bracknell as she later regard Miss Cardew as the most attractive young lady.

Conclusively we cay say that this excerpt most clearly conveys Lady Bracknell’s belief that wealth makes someone more desirable.

Learn more from

brainly.com/question/12087145

4 0
2 years ago
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