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Reika [66]
1 year ago
5

what base could be written in the blank to make the exponential function model 15% decay ? y= (__1/2__) ^t\12

Mathematics
1 answer:
Helga [31]1 year ago
5 0

Answer:

0.85

Step-by-step explanation:

1 - 15% = 1 - 0.15 = 0.85

y = (0.85)^\frac{t}{12}

Answer: 0.85

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Step-by-step explanation:

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How to substitute 3x+3y=-3 and y=5x-1?
schepotkina [342]
Since y = 5x-1, we can fill it into 3x + 3y = -3. First, let's look at relating to a simpler equation. Let's say that x + y = 9 and y = 3 + 5. Now, we can fill it in to get that x + (3 + 5) = 9. Now, we know that 3+5 is 8, so x + 8 = 9. Now, x = 1. Likewise, we can do the same. For 3x + 3y = -3, all we need to do is to switch the y in 3x + 3y = -3 with 5x - 1. So it would become 3x + 3(5x - 1) = -3. Now we distribute to get 3x + 15x - 3 = -3. Now add three to both sides to get 3x + 15x = 0. Now simplify to get 18x = 0. Now we know that x = 0. Now fill x into y = 5x - 1. So y = 5(0) - 1. Now we know that y = -1.

To check fill in the answer to 3x + 3y = -3.
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0 - 3 = -3
-3 = -3
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3 years ago
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Answer:

7.00 and 7.40

Step-by-step explanation:

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3 years ago
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