Given g(r) = 3 – 8r, find g (–3).

Mathematics

1 answer:

MrRissso [65]3 years ago

3 0

Answer: R = 3/5

Step-by-step explanation:

i think

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Solve the following equation for b. Be sure to take into account whether a letter is

Vinvika [58]

Answer:

b=h/G

Step-by-step explanation:

let's substitute h for 6, G for 3, and b for 2. you can also do this with the product of any two numbers (ie, 8,2, and 4 & 20,4, and, 5, etc.). so we have the equation 6=(3)2. to get 2 by itself we need to divide both sides by 3. so we get 6/3=2. now just plug the variables back in place of the numbers and you have b=h/G. hope this makes sense!

4 0

4 years ago

The length of time before a seed germinates when falling on fertile soil is approximately Normally distributed with a mean of 60

PIT_PIT [208]

Answer:

b. 0.12

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

$\mu = 600, \sigma = 100$