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amid [387]
3 years ago
11

What are people testing when they scratch a diamond against glass?

Mathematics
2 answers:
Sonja [21]3 years ago
8 0
If the diamond is real then it will scratch the glass.  so you can tell if a diamond is real by seeing if it scratches glass.

gizmo_the_mogwai [7]3 years ago
8 0

Answer:

Hardness

Step-by-step explanation:

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8 1/5 - 3 4/5 help me PLEEEEEASE
Alex17521 [72]

Answer:

1/5x(41-19h)

41/5-19/5h

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
The Sears Tower in Chicago is 1450 feet high. A model of the tower is 48 inches tall. What is the ratio of the
Leni [432]

Answer: choice a.

Step-by-step explanation:

1 feet = 12 inches.

Sears tower = 1450 * 12 = 17400 inches.

Now,

48 : 17400

= 2 : 725

5 0
3 years ago
I wish to digitally store a very old book written in an ancient Chinese language. What is the minimum number of megabytes (to th
Alisiya [41]

Answer:

The total number number of megabytes required to store the book is

Step-by-step explanation:

The smallest unit of storage on a computer  are Bits. That is, a single on/off value.

This is different from a Bytes.

Bytes are often represented by the capital letter B, bits by a lower case b.

Please note: A single typed character (for example, 'x' or '8') is stored in one byte.

1 Byte = 8 bits.

1, 000 Bytes = 1 Kilobyte and

1,024 Kilobytes = 1 Megabyte

Therefore 1,000,000 Bytes = 1 Megabyte

STEP I - Get the Number of Bytes required.

Each symbol = 1 byte

Each Page has 445.8 symbols

The book has 360 pages.

Therefore, total number of symbols =

445.8 x 360

= 160, 488 Bytes

If our answer has to be in Megabytes, recall that 1,000,000 Bytes = 1 Megabyte.

Therefore the minimum number of megabytes required to store the book =

160,400/1,000,000

= 0.1604

In three decimal places our answer therefore is

= 0.160 Megabytes or 0.160MB.

Cheers!

8 0
2 years ago
write two different expressions that are equivalent to 12-15x use factoring to write one of the expressions
sineoko [7]
6×2-5(3x) i think this is one
3 0
3 years ago
What is the value of x in the following equation: 5=25+x?
diamong [38]
In order to find x, solve the equation
5=25+x
Subtract 25 from both sides
-20=x
The value of x is -20
hope this helps:)
4 0
3 years ago
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