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3 years ago

Evaluate using P E M D A S 2 x 3 + 4

Mathematics

2 answers:

Juli2301 [7.4K]3 years ago

8 0

Step-by-step explanation:

We would do multiplication first, because of order of operations.

2x3=6

Now we add.

6+4=10

hope it helps! :3

vlada-n [284]3 years ago

4 0

First (2•3)+4
Then 6+4
Equals =10

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The National Science Organization is monitoring the continuous exponential decline of an insect species due to deforestation. Th

kakasveta [241]

Answer:

$P\geq 26e^{-0.079t}$

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Step-by-step explanation:

We are given that there is an exponential decay.

Also, the decrease is of constant rate 7.9% i.e. 0.079 each year.

Since, the initial amount of the species is atleast 26 million.

Thus, the inequality for the corresponding model will be, $P\geq 26e^{-0.079t}$ ,

where t is the time period for the decay and P is the population.

Moreover, is is given that the population cannot be less than 2 million.

So, we get, $P\geq 2$ .

Hence, the inequalities to determine the possible number of insects over time are given by,

$P\geq 26e^{-0.079t}$

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3 years ago

Flies in a nest double every 12 hours. If the nest starts with 10 flies, how many will you have in 3 days?

irinina [24]

You would have 640 flies in 3 days.

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3 years ago

In a class of 25 students, 15 of them have a driver's license. If ten students are randomly selected, what is the expected numbe

const2013 [10]

Answer:

Expected number of students would have a driver's license = 6

Step-by-step explanation:

Explanation:-

Given data In a class of 25 students, 15 of them have a driver's license

The sample proportion

$p = \frac{x}{n} = \frac{15}{25} = 0.6$

Let 'X' be the binomial distribution

Given sample size 'n' = 10

mean of the binomial distribution or expected number of students would have a driver's license

μ = n p

= 10 × 0.6

= 6

Conclusion:-

Expected number of students would have a driver's license = 6

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2 years ago

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vladimir1956 [14]

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Step-by-step explanation:

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2 years ago

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