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Nataly [62]
2 years ago
8

What is the spread of Cassandra’s grades?

Mathematics
2 answers:
Ksju [112]2 years ago
5 0

Answer:i THINK 79, i dont know fully, but i think 79

OLEGan [10]2 years ago
3 0
79 sorry if i am wrong :)

here is a cute dog to make your day :D

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4 1/4 divided by 2/7<br><br> (x+8)-(3x- 5)<br><br> Explain how you got the answer!!!!!
Dmitry_Shevchenko [17]

Turn it to improper fractions.

4 1/4 divided by 2/7

Divide them.

17/4 divided by 2/7

17      2     17 x 7

--- ÷  --- = --------- = 119/8 OR 14 7/8

4       7      4 x 2

-----------------------------------------------------

Distribute to take out the parentheses.

(x + 8) - (-3x - 5)

Combine like terms.

x + 8 + 3x + 5

Answer.

4x + 13

8 0
3 years ago
Say a hacker has a list of n distinct password candidates, only one of which will successfully log her into a secure system. a.
alexdok [17]

Answer:

The probability is \frac{1}{n}

Step-by-step explanation:

If she has n distinct password candidates and only one of which will successfully log her into a secure system, the probability that her first first successful login will be on her k-th try is:

If k=1

P = \frac{1}{n}

Because, in her first try she has n possibles options and just one give her a successful login.

If k=2

P=\frac{n-1}{n} *\frac{1}{n-1} =\frac{1}{n}

Because, in her first try she has n possibles options and n-1 that are not correct, then, she has n-1 possibles options and 1 of that give her a successful login.

If k=3

P=\frac{n-1}{n} *\frac{n-2}{n-1} *\frac{1}{n-2} = \frac{1}{n}

Because, in her first try she has n possibles options and n-1 that are not correct, then, she has n-1 possibles options and n-2 that are not correct and after that, she has n-2 possibles options and 1 give her a successful login.

Finally, no matter what is the value of k, the probability that her first successful login will be (exactly) on her k-th try is 1/n

7 0
3 years ago
Where does the graph of y= sin x from x = 0 to x = 217 start?
choli [55]

Answer:

B) at an x-intercept

Step-by-step explanation:

Hope this helps :))

5 0
2 years ago
Identify the solution <br> Answer choices<br> 1. 0,3<br> 2. 3, -2<br> 3. 4,2<br> 4 -2,3
Gennadij [26K]

Answer:

2) (3,-2)

Step-by-step explanation:

the solution is where the lines intersect. they intersect at one point because this function is linear. they intersect at the point (3,-2)

5 0
2 years ago
AaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaA
Ganezh [65]

Answer:

the answer is

B.Plate

i hope this helps ~_~

4 0
2 years ago
Read 2 more answers
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