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STatiana [176]
3 years ago
9

How is the value of 4 in 864 related to the value of 4 in 846

Mathematics
1 answer:
Varvara68 [4.7K]3 years ago
5 0
Answer: The value of the 4 in 864 is 10 times smaller than the value of the 4 in 846.

Explanation: The 4 in 864 is in the ones place, which means its value is equal to 4. On the other hand, the value of the 4 in 846 is in the tens place; which means its value is equal to 40.

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A cryptographic hash takes a message as input and produces a fixed-length string as output, called the digital fingerprint. A br
Allushta [10]

Answer:

1.85x10^{19} attempts are required to find a matching pair if the digital fingerprint is 64 bits long.

3.40*10^{38} attempts are required to find a matching pair if the digital fingerprint is 128 bits long.

Step-by-step explanation:

Each bit has two options. So

How many attempts are required to find a matching pair if the digital fingerprint is 64 bits long?

So for each of the 64 bits, we have the following number of options.

2 - 2 - 2 - 2 -... - 2

So, in all, there are

T = 2^{64} = 1.85x10^{19}

options.

So, 1.85x10^{19} attempts are required to find a matching pair if the digital fingerprint is 64 bits long.

128 bits long?

Using the same logic as the first question.

T = 2^{128} = 3.40*10^{38}

So, 3.40*10^{38} attempts are required to find a matching pair if the digital fingerprint is 128 bits long.

5 0
3 years ago
A builder makes drainpipes that drop 1 cm over a
LUCKY_DIMON [66]

Answer:

700.4 cm

Step-by-step explanation:

This involves two similar triangles.

Both triangles are right triangles.

One has legs measuring 1 cm and 30 cm. We can find the hypotenuse by using the Pythagorean theorem.

(1 cm)^2 + (30 cm)^2 = c^2

c^2 = 901 cm^2

c = sqrt(901) cm

The second triangle has one leg with length 700 cm. This leg corresponds to the 30-cm leg in the other triangle. Since the triangles are similar, we can use a proportion to find the hypotenuse of the second triangle.

(30 cm)/(700 cm) = [sqrt(901) cm]/x

3/70 = sqrt(901) cm/x

3x = 70 * sqrt(901) cm

x = 70 * sqrt(901) cm/3

x = 700.4 cm

Answer: 700.4 cm

8 0
3 years ago
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7 0
3 years ago
PLZZ HELP!! Answer questions 1-8 plzz. Only answer if you know it.
Mashcka [7]
1)  $2
2)  29
3)  8
4)  $20
5)  $12
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7 0
3 years ago
Read 2 more answers
25 POINTS!!! Simplify 3x - 4 - 5x = 6 + 4x + 2
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3x-5x-4x=6+2+4
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6 0
3 years ago
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