2 years ago

If 3^2x+1=3^x+5 what is the value of x?

2 answers:

6 0

Did you mean this? <span>3^2x+1=3^x+5 => 3^(2x+1) = 3^(x+5)? If so, then 2x+1 is necessarily equal to x+5, so that 2x+1=x+5. Thus, x = 4 (answer).

Those parentheses are not optional; they must be part of your problem statement and solution.</span>

lara [203]2 years ago

6 0

Answer:

Step-by-step explanation:

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2 years ago

When 0.5(20x – 50y + 36) – 0.25(–100x + 40y – 12) is simplified, what is the resulting expression?

Scilla [17]

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3 years ago

Read 2 more answers

Lilly has read seven-eighths of her book and is on page 147. How many pages does lilly have left to read?

lara [203]

Answer:

Step-by-step explanation:

Since Lilly has read 7/8 of her book (aka 147 pages), divide 147 by 7 and you get 21.

This means 1/8=21

Since she has read 7/8 of the book, and the full book is 8/8, 8/8-7/8= 1/8

Meaning she has 1/8 of the book left to read.

As said before, 1/8 =21

Thus, she has 21 pages left to read.

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