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Citrus2011 [14]
3 years ago
9

Ginny is studying a population of frogs. She determines that the population is decreasing at an average rate of 3% per year. Whe

n she began her study, the frog population was estimated at 1,200. Which function represents the frog population after x
years?
Mathematics
2 answers:
tekilochka [14]3 years ago
5 0
See also brainly.com/question/9051989

Let y represent the frog population. Then
.. y = 1200*0.97^x
Anarel [89]3 years ago
3 0

Answer:

y = 1200*0.97^x

Step-by-step explanation:

got it right on e2020

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Denise used her credit card to buy a pair of new shoes for $120. At the end of the month, she could
ololo11 [35]

Answer:

Step-by-step explanation:

$120= the amount to pay for the shoe

$20 paid for the month

Balance to pay = $100

Then 3% interest rate on credit card = 3% of $100=$3

Therefore amount to pay = $3+$100=$103

7 0
3 years ago
Please answer this correctly
alexgriva [62]

Answer:

50% off :)

Step-by-step explanation:

use the purple coupon to take off half of the whole price so you spend less overall. And the only requirement is that it needs to be over the price of 350 (originally) , so your item is eligible.

6 0
3 years ago
Read 2 more answers
Determine if the two triangles are congruent. if they are, state how you know.
DerKrebs [107]

Answer:

They are

Step-by-step explanation:

AA congruency theorem

AA is angle angle

The picture gives (( so that measns that (( and (( are congruent angles. The same with the (, it. is congruent to the other (.

4 0
2 years ago
An oil tank has to be drained for maintenance. The tank is shaped like a cylinder that is 3ft long with a diameter of 2.2 ft . S
Contact [7]

4 minutes 34 seconds will takes to empty the tank, if the starts completely full and oil drained at a rate of 2.5 ft^{3} per minute.

Step-by-step explanation:

              The given is,

                         Tank is shaped like a cylinder that is 3 ft long with a diameter of 2.2 ft.

                          Oil drained at a rate of 2.5 ft^{3} per minute.

Step:1

       Time taken to dry the oil tank is,

                           T   = \frac{Volume of oil}{Oil drain rate}  ....................................(1)

Step:2

      Volume of the oil is,

                           V = \pi  r^{2} h.................................................(2)

      Where, r - Radius of Cylinder

                             r = \frac{d}{2}

                             r = \frac{2.2}{2}

                             r = 1.1 ft

      From eqn (1),

                        V =  \pi × 1.1^{2} × 3

                           = 11.40398 ft^{3}

Step:3

     From equation (1)

                           = \frac{11.40398}{2.5}

                           = 4.56

                           = 4.56 minutes

                      T  = 4 minutes 34 seconds

Result:

      Time taken to dry the oil tank is 4 minutes 34 seconds, if a cylinder is 3 ft long with a diameter of 2.2 ft and oil is drained at a rate of 2.5ft^3 per minute.

4 0
2 years ago
James deposit 2 checks for $44.89 and one check for $134.80 into his account how much does he have now?
Arturiano [62]

Answer: $179.69

Step-by-step explanation:

James deposit 2 checks for $44.89 and one check for $134.80 into his account so that means that he will have $179.69 in his account now.

hope this helps

8 0
3 years ago
Read 2 more answers
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