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sweet-ann [11.9K]
4 years ago
10

Whoever gets this right gets brainlyess answer and it's worth 10 points :)

Mathematics
2 answers:
Crank4 years ago
6 0
Percent means literally per one hundred so:

20(15/100)

300/100

3
gavmur [86]4 years ago
4 0
I believe The answer is 3

You might be interested in
 Use what you've learned in this unit to model the population of Western
azamat

The population function of the Western Lowland Gorillas can either represent population growth or population decay

<h3>How to model the population</h3>

The question is incomplete, as the resources to model the population of the Western Lowland Gorillas are not given.

So, I will give a general explanation to solve the question

A population function can be represented as:

y = a(1 \pm r)^x

Where:

  • The initial population of the Western Lowland Gorillas is represented by (a)
  • The rate at which the population changes is represented by (r)
  • The number of years since 2022 is represented by (x)
  • The population in x years is represented by (y)

From the question, we understand that the population of the Western Lowland Gorillas decreases.

This means that the rate of the function would be an exponential decay i.e. 1 -r

Take for instance:

y = 2000 * 0.98^x

By comparison.

a = 2000 and 1 - r = 0.98

The above function can be used to model the population of the Western Lowland Gorillas

Read more about exponential functions at:

brainly.com/question/26829092

4 0
2 years ago
At the high school band's annual spaghetti dinner, the members served 210 dinners and collected $935. The band leader did not de
Jlenok [28]

Answer:

935 = 6a + 3.5c (this is the amount that has been raised)

210 = a + c (this is this amount of the dinners being sold)

Step-by-step explanation:

so a = 210 - c

935 = (6 * (210 - c)) + 3.5c  

6 * 210 is 1260, so:  

935 = 1260 - 6c + 3.5c  

2.5c = 1260 - 935  

2.5c = 325  

so c = 130  

a = 210 - 130 = 80  

We know that 80 adult dinners were sold.

We also know 130 child dinners were sold as well.

6 0
3 years ago
1) Suppose a mathematician computed the expected value of winnings for a person playing each of seven different games in a casin
polet [3.4K]

As per the question seems, the expected value can be  positive, negative or zero.

The given question is of probability, which cannot be negative so don't get confused between expected values and probability, expected value and be negative, positive or zero.

What is probability?

Probability can be defined as the ration of favorable outcomes to the total number of events.

If person playing different games in casino , the probability of that person winning could be varying from 0/7 to 7/7 which implies that person can win from zero games to all games. If that person wins all the 7 games that mean he the gain in values, but if the loses 1 games or more games there than he supposed have gain or have loosen expected values so it can be positive, negative or zero. however the person loosen every game their is certain negative expected values.

Thus, The expected value can be  positive, negative or zero.

Learn more about probability here:
brainly.com/question/14290572

#SPJ1

7 0
2 years ago
I need help please!!!!!!!
kotegsom [21]

Answer:

km

Step-by-step explanation:

6 0
3 years ago
What is the value of x?
svlad2 [7]
I believe x = 32 because it is an equalateral triangle meaning each angle is 60 degrees so the equasion is 2x-4=60.
5 0
3 years ago
Read 2 more answers
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