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Allushta [10]
3 years ago
14

You are an urban planner assessing the growth of a city. Ten years ago, the city's population was 249,583. Its current populatio

n is 318,270. By about what percentage has the city grown over the past ten years?
Mathematics
2 answers:
joja [24]3 years ago
6 0

Answer:

27.52 percent

Step-by-step explanation:

Percentage increase = (new - original)/ original * 100

new = 318270

old = 249583

Substitute in what we know

percentage increase = (318270-249583)/249583 *100

                                     = (68687/249583) *100

                                       .275207045*100

                                       27.5207045 percent

miss Akunina [59]3 years ago
3 0

Answer:

28%

Step-by-step explanation:

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What’s 6-1/3x=-1 in two step equation???
swat32

Answer:

x=21

Step-by-step explanation:

subtract 6 from both sides get -1/3x=-7

multiply -1/3 or -1/3 as decimal times -7

and get x=21

If brainiest is earned its greatly appreciated. :)

6 0
3 years ago
Simplify.
vichka [17]

Answer

your answer is not shown but the correct answer based on the top is going to be −

7.6x + 6.393

please check to ensure that you wrote the problem correctly as well as your answers.

Step-by-step explanation:

6 0
3 years ago
Which number is NOT in the solution set of the inequality x>-15?
Ipatiy [6.2K]

Answer:

d

Step-by-step explanation:

if x has to be greater than -15 and -20 = x than its not true because -20 isn't greater than -15

5 0
3 years ago
Read 2 more answers
A Starbucks coffee shop serves an average of 3500 customers per day, with a standard deviation of 250. What is the probability t
castortr0y [4]

Answer:

P(3300  

And we can find this probability with this difference:  

P(-0.8  

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 amount of cofee shops of a population, and for this case we know the distribution for X is given by:  

X \sim N(3500,250)  

Where \mu=3500 and \sigma=250  

We are interested on this probability  

P(3300  

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(3300  

And we can find this probability with this difference:  

P(-0.8  

6 0
3 years ago
Read 2 more answers
Darnell has 8 coins worth $1.80. If the coins are all quarters and nickels, how many quarters and nickels does he have?
Rudiy27

Answer:

7 quarters 1 nickel

Step-by-step explanation:

7 x.25= 1.75

1.75+ .05= 1.80

3 0
3 years ago
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