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ANEK [815]
3 years ago
9

The first term in the expansion of the binomial (3x y)4

Mathematics
1 answer:
ExtremeBDS [4]3 years ago
4 0
(3xy)^4=3^4x^4y^4=\boxed{81x^4y^4}
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length and width of a field are in the ratio 5.3 If the wilth of 아 the field is 42m, then its length is​
antoniya [11.8K]

Answer:

<em>The length of the feild is:</em>

<em>     (42 / 3) x 5 = 70m</em>

<em>So the length of the feild is 70m</em>

<em />

<em>Hope it helps, Brainliest  please <3</em>

3 0
3 years ago
1. A manufacturer of a printer determines that the mean number of days before a cartridge runs out of ink is 75 days, with a sta
satela [25.4K]

Answer:

P(X

And we can find this probability using the normal standard table or excel:

P(z

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Let X the random variable that represent the number of days before cartridge runs out of a population, and for this case we know the distribution for X is given by:

X \sim N(75,6)  

Where \mu=75 and \sigma=6

We are interested on this probability

P(X

And the best way to solve this problem is using the normal standard distribution and the z score given by:

z=\frac{x-\mu}{\sigma}

If we apply this formula to our probability we got this:

P(X

And we can find this probability using the normal standard table or excel:

P(z

8 0
3 years ago
MASTER ANSWERE? #TRIG​
vekshin1

tan(angle) = opposite leg / adjacent leg

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6 0
3 years ago
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Schach [20]

Answer:

6.612175434403215

Step-by-step explanation:

This one is quite easy to solve, depending on your calculator click shift over the log function and then natural log will pull up and then you just put in 744.1

7 0
3 years ago
(6m^2-2-5+m)-(3m-4+11m^2)
Murljashka [212]

(6m^2-2-5+m)-(3m-4+11m^2) =

<h2>6m^2 - 2m - 124</h2>
7 0
3 years ago
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