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Goshia [24]
3 years ago
15

I need help with this question.​

Mathematics
1 answer:
Tamiku [17]3 years ago
3 0

Answer:

51x

Step-by-step explanation:

3x^3 - 7x + 3x^3 + 4x

27x - 7x + 27x + 4x

20x + 31x

51x

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5 0
3 years ago
How do you do the equation 3.25 divided by 5.2
valentina_108 [34]
3.25\ divided\ by\ 5.2= \frac{3.25}{5.2} =\frac{3.25\cdot 20}{5.2\cdot20} =\frac{65}{104} =\frac{65:13}{104:13} = \frac{5}{8} =0.625\\\\Ans.\ 0.625
5 0
4 years ago
Find the interest due on &1,400 at 9% for 270 days
Dimas [21]
Answer:
Interest = $93.205

Explanation:
Interest can be calculated as follows:
I = Prt
where:
I is the interest we want to canlculate
P is the principle amount = $1400
r is the interest rate in decimal = 9% = 0.09
t is the time in years = 270/365

Substitute with the givens in the above equation to get the value of the interest as follows:
I = 1400 * 0.09 * (270/365)
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Hope this helps :)
6 0
3 years ago
Which equation represents a population of 250 animals that decreases at an annual rate of 21% ?
victus00 [196]

Answer: Choice C.  p = 250(0.79)^t

Work Shown:

p = a*b^t

p = a*(1+r)^t

p = 250*(1+(-0.21))^t

p = 250(0.79)^t

Note that r = -0.21 is negative to indicate we have exponential decay.

3 0
3 years ago
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