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Lunna [17]
3 years ago
14

Mark as BRAINLIEST if you are right

Mathematics
1 answer:
KiRa [710]3 years ago
7 0

Answer:

E

Step-by-step explanation:

7+8+4=19

4/6 + 3/6 + 1/6 = 1 2/6

19 + 1 1/3

20 1/3

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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
Mathematics help please!!
Elodia [21]
D no solution at least there shouldnt be because when 5 is square rooted times itself it would equal 5 and then adding a variable would make it higher, so d no solution
3 0
4 years ago
3x + y = 3 x + y = 2
Vsevolod [243]
Just combine these.

3x + 3x = 6x

x = 6 
y = 1
5 0
4 years ago
Find the area of a circle with radius, r = 7.49m. Give your answer rounded to 2 DP.
adell [148]

Answer:

Area ≈ 176.24m²

Hope it helps

Please mark me as the brainliest

Thank you

7 0
3 years ago
The federal tax code allows some items used for business purposes to be depreciated. That is, their taxable value decreases over
Phantasy [73]

Answer: T = 22,000 - 1,900n

Step-by-step explanation:

Taxable value is $22,000

The tax code allows for the depreciation of this van by $1,900 per year.

After n years therefore the total depreciation is;

= 1,900 * n

This depreciation will need to be removed from the taxable value of $22,000 to find out the taxable value left.

Formula is therefore;

T = 22,000 - 1,900n

4 0
3 years ago
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