3 years ago

Which recursive formula can be used to represent the sequence 2, 4, 6, 8, 10, ... ?

Mathematics

1 answer:

MakcuM [25]3 years ago

6 0

Answer:

add by 2

Step-by-step explanation:

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3 years ago

Tyrell's SAT math score was in the 64th percentile. If all SAT math scores are normally distributed with a mean of 500 and a sta

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Answer:

$P(x < 535.8) = 0.64$

$P_{64} = 535.8$

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 500

Standard Deviation, σ = 100

We are given that the distribution of SAT score is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

We have to find the value of x such that the probability is 0.64

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$P( X < x) = P( z < \displaystyle\frac{x - 500}{10})=0.64$

Calculation the value from standard normal z table, we have, $p(z$

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$P_{64} = 535.8$

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Answer:

Step-by-step explanation:

$\dfrac{-1}{2}c-1\geq-3\qquad\text{add 1 to both sides}\\\\-\dfrac{1}{2}c\geq-2\qquad\text{change the signs}\\\\\dfrac{1}{2}c\leq2\qquad\text{multiply both sides by 2}\\\\c\leq4$

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