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-Dominant- [34]
3 years ago
5

Write a rule for the sequence. 3,-3,-9,-15,. . .

Mathematics
2 answers:
lesya [120]3 years ago
7 0

Answer:

-6

Step-by-step explanation:

The rule of your sequence is -6 because from each number we can see, 6 is taken away to reach the next number.

MrRa [10]3 years ago
4 0

Answer:

3, -3, -9, -15, -18, -21, -24

Step-by-step explanation:

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Nina [5.8K]

Answer:

(0,5)

Step-by-step explanation:

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2 years ago
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A) Work out the value of 213 + (29)2
Alina [70]

a) 2^13 / 2^18

b) 216

6 0
2 years ago
Mari and Jen each work 20 hours a week at different jobs. Mari earns twice as much as Jen. Together they earn $480. How much doe
Salsk061 [2.6K]
We will call:
M=Mari
J=Jen

Initial equations:

M=2J
M+J=480
(the fact that they work 20 hours a week is not needed in this problem information)

Plug in:
2J+J=480
3J=480
J=160

Jen makes $160 a week.

Therefore:

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7 0
3 years ago
If the distribution is really (5.43,0.54)
defon

Answer:

0.7486 = 74.86% observations would be less than 5.79

Step-by-step explanation:

I suppose there was a small typing mistake, so i am going to use the distribution as N (5.43,0.54)

Problems of normally distributed samples can be 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.

The general format of the normal distribution is:

N(mean, standard deviation)

Which means that:

\mu = 5.43, \sigma = 0.54

What proportion of observations would be less than 5.79?

This is the pvalue of Z when X = 5.79. So

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

Z = \frac{5.79 - 5.43}{0.54}

Z = 0.67

Z = 0.67 has a pvalue of 0.7486

0.7486 = 74.86% observations would be less than 5.79

7 0
3 years ago
Station City has a total assessed valuation of $200,000,000. The budget of the city is $5,000,000. What is the tax rate in perce
kaheart [24]
Divide 200k by 5k, assuming that the budget is equal to the tax rate, then 2.5%
6 0
2 years ago
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