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Marina CMI [18]
4 years ago
5

3^3x+1= 81 Solve the exponential function

Mathematics
1 answer:
Reil [10]4 years ago
8 0

Answer:

x=1

Step-by-step explanation:

3^ (3x+1) = 81

Rewrite 81 as a power of 3

3^4

3^ (3x+1) = 3^4

Since the bases are the same, the powers are the same

3x+1 =4

Subtract 1 from each side

3x+1-1 =4-1

3x=3

Divide by 3

3x/3 = 3/3

x =1

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Ella has $50,000 is a saving account. The savings collect interest at an 8% annual rate that compounds every year. How much mone
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Answer:

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3 years ago
What is 2 1/4 as a decimal
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4 years ago
Read 2 more answers
A grocer store a, Five cans of baked beans cause $3.45. A grocery store B 7 cans of baked beans cost $5.15. At grocery store C 4
maks197457 [2]

Answer:

$1.5

Step-by-step explanation:

Given:

At grocery store A, 5 cans of baked beans cost $3.45.

At grocery store C, 4 cans of baked beans cost $2.46.

To find:

How much money would you save if you bought 20 cans of beans at grocery store C that if you brought 20 baked beans from grocery store A ?

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At grocery store A, cost of 5 cans of baked beans = $3.45

At grocery store A, cost of 1 cans of baked beans = \frac{3.45}{5}

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At grocery store C, cost of 4 cans of baked beans =  $2.46.

At grocery store C, cost of 1 cans of baked beans = \frac{2.46}{4}

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Saving will be $13.8 - $12.3 = $1.5

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