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GenaCL600 [577]
2 years ago
12

Someone help me please

Mathematics
1 answer:
GuDViN [60]2 years ago
6 0

Answer:

A. (2(4x+7x))=P

B. 2(4(3)+7(3))=2(12+21)=2(33)=66

Step-by-step explanation:

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3 years ago
5^x + 5^x+1= 150<br> Find x<br> Help me pls i need soon<br> Tksss
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Answer:

x=2

Step-by-step explanation:

So we have the equation:

5^x+5^{x+1}=150

First, separate the second term:

5^x+(5\cdot5^x)=150

Let u equal 5ˣ. So:

u+5u=150

Combine like terms:

6u=150

Divide both sides by 6:

u=25

Substitute back u:

5^x=25

Take the base 5 logarithm of both sides:

\log_5(5^x)=\log_5(25)

The left cancels:

x=\log_5(25)

Evaluate the right:

x=2

So, our answer is 2.

And we're done!

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3 years ago
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