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Varvara68 [4.7K]

2 years ago

7

The population of a certain city has been increasing at a rate of 5.3 percent each year since 2010. If the population in 2010 wa

s 22,000 what is the population now

1 answer:

dalvyx [7]2 years ago

6 0

Answer:

40885

Step-by-step explanation:

(2022-2010)= 12 years

population= 22000(1+(5.3/100))^12= 40884.92

= 40885

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What is the length of the hypotenuse

Viefleur [7K]

Answer:

15ft

Step-by-step explanation:

a^2 + b^2 = c^2

12 or 9 can equal to b or a

12^2 + 9^2 = c^2

144 + 81 = c ^2

225 = c^2

Square root of 225

15 = c

4 0

3 years ago

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Simplify w1/2 and w1/3

mars1129 [50]

Answer:

They are on their simplified form.

Step-by-step explanation:

Since these numbers are prime numbers we can't simplify them. But we can change them to decimal.

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4 0

3 years ago

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RSB [31]

Answer:

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Step-by-step explanation:

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6 0

3 years ago

Fill in the missing value to make the following ratio Equivalent <br><br><br> ___:5=16:20

Veronika [31]

Answer:

4

Step-by-step explanation:

20÷4=5 so 16÷4=4 :))

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3 0

3 years ago

For for each quadratic function below use method of completing the Square or averaging the x-intercept to write the equation in

lions [1.4K]

We have the expressions:

$f(x)=x^2+6x+15$ $y=x^2-4x+9$ $f(x)=x^2-8x$ $y=x^2+7x-2$

Now, with this we operate as follows:

a)

$f(x)=x^2+6x+15=x^2+6x+9+15-9$ $\Rightarrow(x+3)^2+6$

Then, the axis is x = -3 and the vertex (-3, 6)

b)

$y=x^2-4x+9=x^2-4x+4+9-4$ $\Rightarrow(x-2)^2+5$

Then, the vertex is (2, 5) and the axis is x = 2.

c)

$f(x)=x^2-8x+4-4\Rightarrow(x-2)^2-4$

Then, the vertex is (2, -4) andd the axis is x = 2.

d)

$y=x^2+7x-2=x^2+7x+\frac{49}{4}-2-\frac{49}{4}$ $\Rightarrow(x+\frac{7}{2})^2-\frac{57}{4}$

Then, the vertex is (-7/2, -57/4) and the axis is -7/2.

7 0

1 year ago