3 years ago

1. The full Renegade dance Jalaiah created is 56 seconds long. For a 15-second-long TikTok, what percent of Renegade is used?

Mathematics

2 answers:

baherus [9]3 years ago

7 0

Answer:3.7

Step-by-step explanation:

VikaD [51]3 years ago

6 0

Answer:

3.7

Step-by-step explanation:

You have to divide

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The batteries from a certain manufacturer have a mean lifetime of 850 hours, with a standard deviation of 70 hours, assuming tha

matrenka [14]

To answer (a), we will need to find the Z value for 710 hours and 990 hours.

$\begin{gathered} For\text{ 710} \\ Z\text{ = }\frac{x-\mu}{\sigma} \\ \text{ = }\frac{710-850}{70} \\ \text{ = -2} \\ p\text{ =0.0228 } \\ For\text{ 990:} \\ Z\text{ = }\frac{990-850}{70} \\ \text{ =2} \\ p\text{ = 0.9772} \end{gathered}$ $\begin{gathered} To\text{ find P \lparen–2 \le Z \le 2\rparen} \\ =\text{ 0.9772 -0.0228} \\ =\text{ 0.9544} \\ =95.44\% \end{gathered}$

B) 68% of data lies between one standard deviation of the mean.

850 +70 = 920

850 - 70 = 780

5 0

1 year ago

The expression 3(x-9) is equivalent to 3(x)+9 3(x)+3(9) 3(x)-9 3(x)-3(9)

ollegr [7]

3(x-9)

when you distribute the equation you get

3(x)-3(9) which is the last answer

6 0

3 years ago