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Andru [333]
2 years ago
14

A colony of 100,000 ants has been declining in number at a rate of 11.4% per month. If allowed to decline uninhibited, how long

will it take the population to decrease to 25,000 ants? Round to the nearest tenth.
a. 17.6 months
b. 12.2 months
c. 5.3 months
d. 24.3 months
Mathematics
2 answers:
Rom4ik [11]2 years ago
8 0

Answer:

b. 12.2 months

den301095 [7]2 years ago
5 0
Im sorry i need the point but I’ll calculated later once I’m done
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Kristen just deposited $6,500 into a new bank account that pays 4.5% interest the first year and 3% compounded annually each yea
vladimir2022 [97]

This question is about compound interest, but since the interest is such a small number you can use what you know about simple interest to eliminate some answers.

You can immediately eliminate choice A as a clunker, since it is less than the original amount in the account.

Consider what the amount of interest would be if you make the rate much larger than the original rate, say 10%, or 0.1:

$6,500 × 0.1 = $650

If this amount were added to the original amount each year for two years, the total would be:

$6,500 + $650 + $650 = $6,500 + $1,300 = $7,800

This is an over-estimate for the information given, and since choices C and D are even greater than this over-estimate, they can be eliminated. That means choice B is the correct answer.

6 0
2 years ago
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Tom rolls 2 fair dice and adds the results from each.
o-na [289]

Answer:

1/6

Step-by-step explanation:

8 0
2 years ago
Please I need some answers
Ilia_Sergeevich [38]
-6 x -4 = 24
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Hope this helps :)
7 0
2 years ago
Find the stationary points on the curve y = (3x – 1)(x - 2)^4.
Stels [109]

Step-by-step explanation:

by using y=uv derivative formula and stationary mean y' = 0

y' = 3(x–2)⁴ + 3(3x–1)(x–2)³ = 0

cancel 3 and factorize

(x–2+3x–1)(x–2)³ = 0

x = ¾ or x = 2

we got point \left(\frac{3}{4},\frac{5^5}{4^5}\right) and (2,0)

6 0
3 years ago
Tickets for a concert cost $29. 00. The greatest number of tickets one person can buy is 9.If 28 peopleeach buy 9 tickets for $2
Blababa [14]

Answer: 7,308


Step-by-step explanation: 28 X 9 = 252

252 X 29 = 7,308


6 0
3 years ago
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