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kaheart [24]
3 years ago
5

The population is decreasing at a rate of 5% per year. If the population is 30,000 today, what will the population be in 12 year

s?
Mathematics
2 answers:
Dmitrij [34]3 years ago
7 0

Answer:

the population should be around 16,210

Step-by-step explanation:

use the exponetional equation y= 30,000(0.95)^12

Lera25 [3.4K]3 years ago
5 0

Answer:12,000

Step-by-step explanation:

.05*30,000=1,500

1,500*12=18,000

30,000-18,000=12,000

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Write the equation of a Line that is perpendicular to y=5/2x+3 and passes
koban [17]

Answer:

Step-by-step explanation:

Slope of perpendicular lines = -1

y = 5/2x + 3

m_{1}=\frac{5}{2}\\\\m_{1}*m_{2}=-1\\\\

        m_{2}= -1 ÷ m_{1}

               = -1*\frac{2}{5}=\frac{-2}{5}

(-3 , -5)

Equation of the required line: y - y₁ = m(x -x₁)

                                                y - [5] = \frac{-2}{5}(x - [-3])\\

                                               y+5=\frac{-2}{5}x + 3*\frac{-2}{5}\\\\y+5=\frac{-2}{5}x-\frac{6}{5}\\\\   y =\frac{-2}{5}x-\frac{6}{5}-5\\\\   y = \frac{-2}{5}x-\frac{6}{5}-\frac{5*5}{1*5}\\\\ y = \frac{-2}{5}x-\frac{6}{5}-\frac{25}{5}\\\\\\ y=\frac{-2}{5}x-\frac{31}{5}

5 0
3 years ago
a jacket originally sold for $45. this week it went on sale for 20% off. what is the discount and what is the sales price?
Strike441 [17]

Answer:

discount = 9

new price = 36

Step-by-step explanation:

The discount is the price times the discount percent

45 * 20%

Change to decimal form

45*.20

9

The new price is the original price minus the discount

45-9 = 36

4 0
3 years ago
Suppose the null hypothesis, H0, is: Darrell has enough money in his bank account to purchase a new television. What is the Type
seropon [69]
<h2>Answer with explanation:</h2>

In statistics, The Type II error occurs when the null hypothesis is false, but fails to be rejected.

Given : Suppose the null hypothesis, H_0, is: Darrell has enough money in his bank account to purchase a new television.

Then , Type II error in this scenario will be when the null hypothesis is false, but fails to be rejected.

i.e. Darrell has not enough money in his bank account to purchase a new television but fails to be rejected.

3 0
3 years ago
2 raise to -3 can be written as _____________​
scZoUnD [109]

Answer:

Step-by-step explanation:

2^(-3) = 1/2^3 = 1/8

A minus means put the number in the numerator if it was in the denominator.

A minus means put the number in the denominator it was in the numerator.

If there is no denominator, create one.

8 0
3 years ago
Find the coordinates of the fourth vertex that completes the construction of the rectangle on the coordinate plane.
Marizza181 [45]
It’s C.
Just complete the rectangle. You’ll get it.
4 0
3 years ago
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