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Reptile [31]
3 years ago
7

Which statement belongs in Step 4?

Mathematics
1 answer:
Gala2k [10]3 years ago
3 0

Answer:

Step-by-step explanation:

TQ = QR

Ray t bisects TR. TR is divided into  two equal parts

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A computer virus is trying to corrupt two files. The first file will be corrupted with probability 0.4. Independently of it, the
Ksivusya [100]

Answer:

P(X = 0) = 0.42

P(X = 1) = 0.46

P(X = 2) = 0.12

Step-by-step explanation:

We have these following probabilities:

40% probability that the first file is corrupted. So 60% probability that the first file is not corrupted.

30% probability that the second file is corrupted. So 70% probability that the second file is not corrupted.

Probability mass function

Probability of each outcome(0, 1 and 2 files corrupted).

No files corrupted:

60% probability that the first file is not corrupted.

70% probability that the second file is not corrupted.

So

P(X = 0) = 0.6*0.7 = 0.42

One file corrupted:

First one corrupted, second no.

40% probability that the first file is corrupted.

70% probability that the second file is not corrupted.

First one ok, second one corrupted.

60% probability that the first file is not corrupted.

30% probability that the second file is corrupted.

P(X = 1) = 0.4*0.7 + 0.6*0.3 = 0.46

Two files corrupted:

40% probability that the first file is corrupted.

30% probability that the second file is corrupted.

P(X = 2) = 0.4*0.3 = 0.12

8 0
3 years ago
22. Find the perimeter of the square:<br> 28
sergejj [24]

Answer:

  56√2 ≈ 79.20

Step-by-step explanation:

The hypotenuse of an isosceles right triangle is √2 times the side length, so the side length here is ...

  s·√2 = 28

  s = 28/√2

The perimeter is 4 times the side length, so is ...

  P = 4s = 4·28/√2

  = 4·28·(√2)/2 . . . . . multiply by (√2)/(√2) to rationalize the denominator

  = 56√2 ≈ 79.195959

The perimeter of the square is 56√2, about 79.20 units.

7 0
3 years ago
PLEASE HELP ASAP!!!! GOING TO GIVE 30 POINTS
fomenos

Answer:

The second answer option

Step-by-step explanation:

Lmk if you need explanation

5 0
3 years ago
Which expression is equivalent to (- 2c / d^2)^3
nikdorinn [45]

-8c^3/d^6 is equivalent to the expression

4 0
3 years ago
Read 2 more answers
PLEASE HELP!!! I know it’s a lot of questions but I’m just trying to get this done, but I can’t because I’m clueless. I tried gr
artcher [175]

Answer:

a) The graph shifted to the left by 3 units and up 1 unit.

b) Domain = x ∈ R    Range = y ∈ R

(Domain (x) = All real numbers     Range (y) = All real numbers)

c) (-4, 0)

d) (0, 2.442)

~Hope this helps! If you have any questions, please let me know!~

6 0
3 years ago
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