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goldenfox [79]
3 years ago
10

A city has a population of 220,000 people. Suppose that each year the population grows by 3.75%. What will the population be aft

er 9 years? How many people
Mathematics
1 answer:
Damm [24]3 years ago
3 0

Answer:

294250 people will be there after 9 years if the population is increased 3.75% annually.

Step-by-step explanation:

First, 3.75% of 220000

then multiply the answer with 9.

again add the answer with 220000.

hence your answer came.

try it. Hope it helps

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If the mean, median, and mode are all the same for 4, 9, 7, 8, and x, what is the value of x?​
seropon [69]
<h3>Answer:  x = 7</h3>

===========================================================

Explanation:

Since we have an odd number of values, this tells us that the median is part of the data set. It's the middle most item after we sort the values.

Recall that the mode is the most frequent item. Since the mode and median are the same, this must mean x can only be equal to one of the following

4, 9, 7 or 8

We can only pick one of those values.

----------------------

If x = 4, then the set {4,9,7,8,x} updates to {4,9,7,8,4} which sorts to {4,4,7,8,9}

The middle most item is in slot 3, which would be 7. So the median is 7.

The median 7 does not match with the mode 4.

So we cross x = 4 off the list.

-----------------------

If x = 7, then we have {4,7,7,8,9}

The mode is 7 and the median is 7. So far, so good.

Now let's compute the mean. Add up the values and divide by 5 because there are 5 items.

(4+7+7+8+9)/5 = 35/5 = 7

We've shown that the set {4,7,7,8,9} has mean 7.

Overall, that set has the same mean, median and mode. So the answer is confirmed.

I'll let you check the cases when x = 8 and x = 9.

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3 years ago
Need help on geomtry homework
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Step-by-step explanation:

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What line? did you mean to add a picture?
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Two friends Vicky and Micky start a business together. They decided to share their capitals depending up on the variable expendi
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Answer:

a- x = 5/3, or x = -7/2

b- 675

c - 5·x + 2

Step-by-step explanation:

The polynomial representing the capital of the two partners = 6·x² + 11·x - 35

a. The total share is the capital of the two partners together = 6·x² + 11·x - 35

∴ When their total share is equal to 0, we have;

6·x² + 11·x - 35 = 0

Factorizing the above equation with a graphing calculator gives;

(3·x - 5)·(2·x + 7)

Therefore;

x = 5/3, or x = -7/2

b- The total expenditure, when x = 10 is given by substituting the value of <em>x </em>in the polynomial 6·x² + 11·x - 35, as follows;

When x = 10

6·x² + 11·x - 35 = 6 × 10² + 11 × 10 - 35 = 675

The total expenditure of Vicky and Micky when x = 10 is 675

c - The sum of their expenditure is (3·x - 5) + (2·x + 7) = 5·x + 2

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Which function is best represented by this graph ​
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Answer:the potato is ugly

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