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saul85 [17]
2 years ago
12

What is the domain of the following function: y=x^-5 + (x-1)

Mathematics
1 answer:
insens350 [35]2 years ago
7 0

Answer:

Step-by-step explanation:

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Carla is a waitress at Daybreak Diner and she earns $5 for each hour she works. Last week she earned 148 total including $68 tip
Zigmanuir [339]

Answer: 16 hours

Step-by-step explanation:

Given

Carla earns \$5 for each hour she works

Last week she earned $148 total including \$68 tip

So, the sum of hourly income and must be equal to the total money earned

Suppose she works for x hours

\Rightarrow 5x+68=148

\Rightarrow 5x=148-68\\\Rightarrow 5x=80\\\Rightarrow x=16\ \text{hours}

Thus, she works 16 hours last week

5 0
3 years ago
Suppose N has a geometric distribution with parameter p. Derive a closed-form expression for E(N | N <= k), k = 1,2,... Check
vfiekz [6]

Answer:

P(X= k) = (1-p)^k-1.p

Step-by-step explanation:

Given that the number of trials is

N < = k, the geometric distribution gives the probability that there are k-1 trials that result in failure(F) before the success(S) at the kth trials.

Given p = success,

1 - p = failure

Hence the distribution is described as: Pr ( FFFF.....FS)

Pr(X= k) = (1-p)(1-p)(1-p)....(1-p)p

Pr((X=k) = (1 - p)^ (k-1) .p

Since N<=k

Pr (X =k) = p(1-p)^k-1, k= 1,2,...k

0, elsewhere

If the probability is defined for Y, the number of failure before a success

Pr (Y= k) = p(1-p)^y......k= 0,1,2,3

0, elsewhere.

Given p= 0.2, k= 3,

P(X= 3) =( 0.2) × (1 - 0.2)²

P(X=3) = 0.128

3 0
3 years ago
NEED HELP WILL MARK BRAINLIEST ANSWER
GREYUIT [131]
Your answer would be the first one because a reflection is when the object is facing itself 
The red corner should face itself 
Hope This Helps! :)

3 0
3 years ago
Find the valu of missng anglr<br>P<br>Х<br>X<br>X<br>Q<br>R<br> ​
nikitadnepr [17]

Answer: it is p

Step-by-step explanation:

8 0
3 years ago
15 points. Please help meeee
yaroslaw [1]

Answer:

B.

Step-by-step explanation:

5 0
3 years ago
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