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Blababa [14]
3 years ago
10

Which of the following statements is always true about the function y=a•b^x

Mathematics
1 answer:
OLEGan [10]3 years ago
5 0

Answer:

c. When a > 0 and b > 1, the function models exponential growth.

Step-by-step explanation:

You have exponential decay when a > 0 and 0 < b < 1.

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The ratio of money in Terry's bank account to Faye's bank account was 3:7.
igor_vitrenko [27]

Answer:

£390

Step-by-step explanation:

 The ratio of money in bank:

        Terry  :    Faye

             3      :     7

Terry put £220 in his account

Faye withdrew £300 from her account

 Unknown:

Initial amount Terry had = ?

Solution:

 Let the real amount terry has = 3x

  Faye will have = 7x

Now;

        3x + 220  = 7x -300

 Solving this equation:

         3x + 220  = 7x -300

       3x - 7x = -300 - 220  

           -4x  = - 520

             4x = 520

               x = 130

Originally, Terry has 3x = 3 x 130 = £390

3 0
2 years ago
30PTS<br> ASAP: BRAINLEST FOR BEST ANSWER!<br><br><br><br><br> im stupid xD
Elena L [17]

Answer: $200-$75=$125

7 0
2 years ago
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Which list contains only composite numbers?
kiruha [24]
Answer : D. 6,24,51,72,105
7 0
3 years ago
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Is 5 and four fifths = 5.8
nekit [7.7K]
Yes. That's exactly right. Good work.
6 0
3 years ago
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Maria and Jason are saving gas money for their trip to Boston. Maria has saved $20 more than double what Jason has. Combined Mar
valentina_108 [34]

Answer:

$60

Step-by-step explanation:

Jason saved gas money (x).  Maria saved $20 more than double what Jason has (20 + 2x).  Combined, they saved $200.  Solve for x for Jason's amount.

(x) + (20 + 2x) = 200

x + 20 + 2x = 200

3x + 20 = 200

3x + 20 = 200

3x + 20 - 20 = 200 - 20

3x = 180

3x/3 = 180/3

x = 60

Jason saved $60 for this trip.

3 0
3 years ago
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