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zmey [24]
2 years ago
7

Need help with this. Please

Mathematics
1 answer:
seropon [69]2 years ago
6 0

Answer: hey im not sure, but i think your supposed to solve 7x-6 and 9+12x. Add these two together and times it by 55. Im not syre if this is right but u could try it.

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Find equations for those tangent lines to<br> the graph of<br> y = x − 3/x
pychu [463]

Step-by-step explanation:

y=X -3/X

y=X/1 -3/x

y= 2x -3/x

y*X= 2x-3

y*X/2 = x-3

7 0
2 years ago
What will be the 7th term in the sequence<br> Enter your answer as a fraction.
viktelen [127]

Answer:

1/32

Step-by-step explanation:

You plug 7 for n and solve in calculator.

7 0
3 years ago
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What two prime numbers equal 85
hram777 [196]
One and eighty five. 1x85=85 but 85 isnt prime>>>

7 0
3 years ago
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HELP ME PLEASE
yuradex [85]

Answer:

368 milliliters.

Step-by-step explanation:

Compound A + Compound B = 1 drug

4 + 7 = 1 drug

11 milliliters = 1 drug, so 1012 milliliters = 92 drugs

Multiply the compounds by the amount of drugs, e.g.

4 x 92 = 368 ( Compound A )

7 x 92 = 644 ( Compound B )

368 + 644 = 1012

368 milliliters of Compound A are needed to make 1012 milliliters of the drug.

Hope this helps :)

8 0
3 years ago
Consider the probability that exactly 20 out of 309 people will get the flu this winter. Choose the best description of the area
noname [10]

Answer:

The distribution of proportion of people who will get the flu this winter is <em>N</em> (0.065, 0.014²).

Step-by-step explanation:

Let <em>X</em> = number of people who will get flu this year.

The sample selected is of size, <em>n</em> = 309.

The number of people who will get flu in this sample is, <em>x</em> = 20.

Compute the sample proportion of people who will get flu as follows:

p=\frac{x}{n}=\frac{20}{309}=0.065

The random variable <em>X</em> follows a Binomial distribution with parameters <em>n</em> = 309 and <em>p</em> = 0.065.

The sample size is quite large, i.e. <em>n</em> = 309 > 30.

And the probability of success is low.

So the Normal approximation to Binomial can be used to approximate the distribution of sample proportion is:

  1. np ≥ 10
  2. n(1 - p) ≥ 10

Check whether the conditions are fulfilled or not as follows:

np=309\times 0.065=20.085>10\\n(1-p)=309\times (1-0.065)=288.915>10

Hence, the conditions are fulfilled.

The sampling distribution of sample proportion is:

p=N(p, \frac{p(1-p)}{n})

Compute the mean and variance as follows:

Mean=p=0.065\\Variance=\frac{p(1-p)}{n}=\frac{0.065(1-0.065)}{309}=0.014^{2}

Thus, the distribution of proportion of people who will get the flu this winter is <em>N</em> (0.065, 0.014²).

6 0
3 years ago
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