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grigory [225]
2 years ago
15

Find f(-3) for (x) = -2x + 5

Mathematics
1 answer:
valentina_108 [34]2 years ago
3 0

Answer:

11

Step-by-step explanation:

x = -3

Substitute -3 with x

________________________

* = Multiplying

(-2*-3) + 5

= 6 + 5

= 11

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A score that is three standard deviations above the mean would have a z score of
tia_tia [17]

The value of z-score for a score that is three standard deviations above the mean is 3.

In this question,

A z-score measures exactly how many standard deviations a data point is above or below the mean. It allows us to calculate the probability of a score occurring within our normal distribution and enables us to compare two scores that are from different normal distributions.

Let x be the score

let μ be the mean and

let σ be the standard deviations

Now, x =  μ + 3σ

The formula of z-score is

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

⇒ z_{score} = \frac{\mu + 3\sigma -\mu}{\sigma}

⇒ z_{score} = \frac{ 3\sigma }{\sigma}

⇒ z_{score} = 3

Hence we can conclude that the value of z-score for a score that is three standard deviations above the mean is 3.

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6 0
2 years ago
7/8 divided by 11/12<br><br> Answer has to be a fraction.<br> Include steps if possible.
andrew-mc [135]
7/8 / 11/12. First get the reciprocal of 11/12 (which is 12/11). Then multiply by the reciprocal. 7/8 * 12/11 = 84/88 don't forget to simplify 21/22
7 0
3 years ago
Read 2 more answers
The mass of Earth is 5.97 X 10²⁴ kilograms. The mass of the Moon is 7.34 x 10²² kilograms. What is the combined mass of earth.
Damm [24]

Answer:

13.31 x 10^{46}

Step-by-step explanation:

So, if we take the two equations, and add the normal numbers together, we have: 5.97 + 7.34 = 13.31

Then if we add the two tens together it would be: 10^2^2 + 10^{24 = 10 to the power of 46.

The equation would be 13.31 x 10^{46}

I'm not an expert, so sorry if this is wrong.

6 0
3 years ago
Read 2 more answers
Someone can you please help Me out ?
viktelen [127]
There were 16 oat meal

40 divided 5/3 = 24

40-24 = 16
Hope this helps!
3 0
3 years ago
Edgar is walking 0.5 m/s toward the back of a train that is traveling forward at
Ilya [14]
Answer:

12.


Explanation:

6.0m/s devide it by 0.5m/s is 12.

Hope it helps. Please mark me as brainliesttt
6 0
2 years ago
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