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jonny [76]
2 years ago
13

Tropical islands have many rainstorms during the afternoon heat. One particular tropical island has a 79% chance of a rainstorm

on any given afternoon. Abraham is planning a weeklong stay on this tropical island. Let X represent the number of days there is an afternoon tropical storm that week. What are the mean and standard deviation of X?
Mu Subscript x Baseline = 1.47, Sigma Subscript x Baseline = 1.16
Mu Subscript x Baseline = 3.5, Sigma Subscript x Baseline = 1.16
Mu Subscript x Baseline = 5.53, Sigma Subscript x Baseline = 1.08
Mu Subscript x Baseline = 7, Sigma Subscript x Baseline = 3.5
Mathematics
2 answers:
labwork [276]2 years ago
8 0

Answer:

3.5, 1.16

Step-by-step explanation:

erma4kov [3.2K]2 years ago
7 0

the fact is you cant copy and paste it you have to take screenshot or picture and attach it i don't understand the the computers substitution for unknown characters

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A pizza is 10% off the regular price. The discount is $2. How much was the regular price of the pizza? What is the proper set up
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The pizza was $20

Step-by-step explanation:

$2/10%= $X/100%

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You cross multiply/butterfly method so 5•6= 30 and 5•8=40 so it would be 30/40 OR 3/4 simplified
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3 years ago
Which of the following has the steepest graph ?
defon

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D also if you input these equations into Desmos it can graph it for you :)

Step-by-step explanation:

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3 years ago
The result of taking 3 from x and multiplying the answer by 4 is the same qs taking 3 from 5 times x
Alekssandra [29.7K]

Answer:

I think it is this:

4(x-3) = x(5-3)

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5 0
3 years ago
Use the drop-down menus to complete the proof. Given that w ∥ x and y is a transversal, we know that ∠1 ≅∠5 by the . Therefore,
ololo11 [35]

Answer:

From the graph attached, we know that \angle 1 \cong \angle 5 by the corresponding angle theorem, this theorem is about all angles that derive form the intersection of one transversal line with a pair of parallels. Specifically, corresponding angles are those which are placed at the same side of the transversal, one interior to parallels, one exterior to parallels, like \angle 1 and \angle 5.

We also know that, by definition of linear pair postulate, \angle 3 and \angle 1 are linear pair. Linear pair postulate is a math concept that defines two angles that are adjacent and for a straight angle, which is equal to 180°.

They are supplementary by the definition of supplementary angles. This definition states that angles which sum 180° are supplementary, and we found that \angle 3 and \angle 1 together are 180°, because they are on a straight angle. That is, m \angle 3 + m \angle 1 = 180\°

If we substitute \angle 5 for \angle 1, we have m \angle 3 + m \angle 5 = 180\°, which means that \angle 3 and \angle 5 are also supplementary by definition.

4 0
3 years ago
Read 2 more answers
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