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PolarNik [594]
3 years ago
12

Can someone help me with these two plz?

Mathematics
1 answer:
kolezko [41]3 years ago
5 0

Answer:pink is arithmetic because you’re adding 1.5 each time and did purple the common difference is 1/3 and it’s a geometric problem

Step-by-step explanation: so you use equation an=a1(r)^n-1 so when u substitute the values in u get an=6889050(1/3)^10-1 the final answer will be 350

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The z-score, also referred to as standard score, z-value, and normal score, among other things, is a dimensionless quantity that is used to indicate the signed, fractional, number of standard deviations by which an event is above the mean value being measured. Values above the mean have positive z-scores, while values below the mean have negative z-scores.

Mean is $650

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\begin{gathered} \mu=650 \\ \sigma=50 \end{gathered}Z=\frac{x-\mu}{\sigma}=\frac{600-650}{50}=-\frac{50}{50}=-1Z=\frac{x-\mu}{\sigma}=\frac{750-650}{50}=\frac{100}{50}=2

[tex]P(-1

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