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3 years ago

What number can I put in the denominator? 1 8 7

Mathematics

1 answer:

Zigmanuir [339]3 years ago

4 0

Answer:

The LCD denominator is 1

Step-by-step explanation:

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The population of a city in 2005 was 18,000. By 2010, the city’s population had grown to 45,000. Economists have determined that

tensa zangetsu [6.8K]

2005= 18,000
2010= 45,000

1) make 2005 year "0", and 2010 year "5"
2)in order to solve this problem and figure out the rate of change, we must use the equation for exponential functions y=ab^x
3) a= the y- value of y intercept ( what does y equal when x is zero) in this case a population number so, a= 18,000; b= the unknown rate of change; x= time and since we're finding b we can plug in 5 for the time in years; y= the value of y in terms of the x-value, so when x is 5, y is 45,000
4) you end up with something like this
45,000= 18,000b^5
5) in order to proceed to solve you must get b alone
6) divide both sides by 18,000
7) so you no have 2.5= b^5
8) take the fifth root of both sides
9) now you have your answer b=<span>1.20112443398</span>

6 0

3 years ago

Read 2 more answers

Find the domain of the function algebraically:<br><br> <img src="https://tex.z-dn.net/?f=R%28x%29%3D%5Cfrac%7Bx%7D%7Bx%5E%7B2%7D

BigorU [14]

The domain of the function is all real numbers except 2 and -1

Step-by-step explanation:

Domain is the set of inputs of a function on which the function is defined.

Given function is:

$R(x) = \frac{x}{x^2-x-2}$

In case of a function involving fraction, the function is undefined if the denominator is zero so in order to find the domain of the function algebraically , we have to find the values on which the function will be undefined

$x^2-x-2 = 0\\x^2-2x+x-2 = 0\\x(x-2)+1(x-2) = 0\\(x+1)(x-2) = 0\\x+1 = 0 => x=-1\\x-2=0 = > x=2$

The function will be undefined on x=-1 and x=2

So,

The domain of the function is all real numbers except 2 and -1

Keywords: Domain, functions

Learn more about domain and functions at:

#LearnwithBrainly

7 0

4 years ago

Claire's music playlist contains songs she bought and songs her mother bought. The ratio of her songs to her mother's songs is 3

Vsevolod [243]

Answer:

Step-by-step explanation:

The ratio of Claire's songs to her mother's songs = 3 : 2

3 : 2 = 3/2

9 : 6 = 9/6 = 3/2

12 : 10 = 12/10 = 6/5

3 : 2 = 3/2

6 : 4 = 6/4 = 3/2

15 : 10 = 15/10 = 3/2

3 : 2 = 3/2

4 : 3 = 4/3

5 : 4 = 5/4

3 : 2 = 3/2

4 : 6 = 4/6 = 2/3

20 : 30 = 20/30 = 2/3

The table which shows the correct ratio and two equivalent ratios is B

7 0

3 years ago

What is the answer to A x + B y = C

frosja888 [35]

Answer:

means that ab=c

Step-by-step explanation:

4 0

3 years ago

What is the axis of symmetry for the graph of y – 4x = 7 – x2 ?

yKpoI14uk [10]

the axis of symmetry is x=2

8 0

3 years ago