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pashok25 [27]
3 years ago
7

Help 10 minutes to turn in

Mathematics
2 answers:
Savatey [412]3 years ago
4 0

i think the answer is 4 but im not sure


sammy [17]3 years ago
3 0
I think it would be 4
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a baseball league finds the speeds of pitches are normally distributed, with a mean of 89 mph and a standard deviation of 2.4 mp
olya-2409 [2.1K]

Answer:

-1.58

Step-by-step explanation:

We have that the mean (m) is equal to 89 and the standard deviation (sd) 2.4

They ask us for P (x <85.2)

For this, the first thing is to calculate z, which is given by the following equation:

z = (x - m) / (sd)

We have all these values, replacing we have:

z = (85.2 - 89) / (2.4)

z = -1.58

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3 years ago
A watch is sold for $130 at a loss of $30. what was the original cost of the watch​
posledela

Answer:

130.00 + 30.00 = $160.00

Step-by-step explanation:

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2 years ago
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3 years ago
What is the value of x?
dimulka [17.4K]
Hi there!

To find x, we'll need to proceed methodically. First, we'll start by finding the length of ST. The 30-60-90 relationship tells us that ST = 2. Then, we can find RT, also using the 30-60-90 relationship. RT = 4. Lastly, we can use the 45-45-90 relationship to determine that x = 4.

Hope this helps!! :)
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8 0
3 years ago
Complete the coordinate proof.
Lady_Fox [76]

Answer:

j RJ irjcirkcks he ed dew wh he x vhg

Step-by-step explanation:

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