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grin007 [14]
1 year ago
11

Simplify: 2n (n^2 + 3n + 4)

Mathematics
2 answers:
Serggg [28]1 year ago
5 0

Answer:

2n^3 + 6n^2 + 8n

katrin [286]1 year ago
3 0

Answer: It's 2n^3 + 6n^2 + 8n

Step-by-step explanation:

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I need help on this question
Alenkinab [10]

Answer:

B. 63 degrees

Step-by-step explanation:

Its the same angle as the one above it.

I hope this helps :)

Have a nice day!

8 0
2 years ago
Read 2 more answers
9. Gold miners in Alaska have found, on average, 12 ounces of gold per 1000 tons of dirt excavated with a standard deviation of
netineya [11]

Answer:

9.18% probability the miners find more than 16 ounces of gold in the next 1000 tons of dirt excavated

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 = 12, \sigma = 3

What is the probability the miners find more than 16 ounces of gold in the next 1000 tons of dirt excavated?

This is 1 subtracted by the pvalue of Z when X = 16. So

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

Z = \frac{16 - 12}{3}

Z = 1.33

Z = 1.33 has a pvalue of 0.9082

1 - 0.9082 = 0.0918

9.18% probability the miners find more than 16 ounces of gold in the next 1000 tons of dirt excavated

5 0
2 years ago
On which number line are —4 and it’s opposite shown
serg [7]

i think its d! hope that helps! is that flvs?


6 0
2 years ago
Read 2 more answers
jose bought 4cards for $4each he put $20in each of the cards as a gift and mailed them to each of hi grandchildren he used 00.70
raketka [301]
He bought 4 cards for $4 so that's 16 he put 20 in each that's 80 and 70 x 4 is 1,400 so all of that in total would be 1,436, correct me if I'm wrong, and if you're too lazy to read than, the answer is 1,436
7 0
3 years ago
I don’t understand the question
kipiarov [429]

Answer:

Answer is given below with explanations.

Step-by-step explanation:

1)

- 13 {x}^{2} \:  has \: only \: one \: term \: and \: highest \: degree \: is \: 2 \\

1) Option d) Monomial degree 2

2)

- 8 {y}^{7}  - 3 \: has \: two \: terms \: and \: highest  degree \: is \: 7

2) Option c) Binomial degree 7

<em>HAVE A NICE DAY</em><em>!</em>

<em>THANKS FOR GIVING ME THE OPPORTUNITY</em><em> </em><em>TO ANSWER YOUR QUESTION</em><em>.</em>

6 0
3 years ago
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