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sveta [45]
3 years ago
7

5 x 20 x a³ = 72900 what does a equal

Mathematics
1 answer:
Basile [38]3 years ago
3 0

Answer:

9

Step-by-step explanation:

a^3=72900/100

a=(729)^1/3

a=9

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Linear Function Table
Andrej [43]

a. The difference between two outputs that are 1 unit apart.

You need to Use y2 - y1 / x2 - x1 to find the difference

I will choose x2 as 1 and x1 as 0

(29 - 21) / (1 - 0)

8/1 so The difference is 8 per 1 unit.

b. Use the same formula

I will choose -3 as x2 and -5 as x1

(5 - (-11)) / (-3 - (-5))

(5 + 11) / (-3 + 5)

16 / 2 so the difference is 16 per 2 units.

c. I will choose 2 as x2 and -1 as x1

(45 - 21) / (2 - (-1))

24/3 so the difference is 24 per 3 units.

d. The ratios of the differences to the input intervals reduced all equal each-other, which is 8 per 1 unit.

4 0
3 years ago
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
28-9X=-12-11X<br><br> How would you answer that?
jolli1 [7]
28-9x=-12-11x \\\\ -9x+11x=-12-28 \\\\ 2x=-40 \\\\ \boxed{x=-\frac{40}{2}=-20}
4 0
3 years ago
Draw a quick picture 152÷12=
Sav [38]
12.666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666666and so on
8 0
3 years ago
3/4^2 + 1^2 = x2<br><br> solve for x with work shown! pls help!
photoshop1234 [79]

Answer:

X=19/32

Step-by-step explanation:

3/4^2+1^2=2*x

3/4^2+1=2x

3+(4^2)/4^2=2x

3+16/4^2=2x

19/4^2=2x

19/(2^2)^2=2x

19=16(2x)

19=16*2x

32x=19

32x/32=19/32

x=19/32

This took alot of time goodluck!

8 0
2 years ago
Read 2 more answers
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