Solve the exponential equation for x
2 answers:
Answer:
the value of x=-2
Step-by-step explanation:
To solve for x we need to make the same base on both sides
we need to get same base 6 on both sides of the equation.
216 can be written as 6 times 6 times 6 =6^3
Both sides have same base, so we equate the exponents
Subtract 11 on both sides
Divide both sides by 4
So the value of x=-2
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This question is solved using proportions, and doing this, it is found that Evan gets 5 Chinese yuans for every Australian dollar.
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- Evan budgeted $60 for the taxi ride.
- He went $15 over, thus, the taxi ride cost $75.
- In Chinese yuans, the cost was 375.
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75 dollars are worth 375 yuans. How much yuans is a dollar worth?
1 dollar - x yuans
75 dollars - 375 yuans
Applying cross multiplication:
Evan gets 5 Chinese yuans for every Australian dollar.
A similar question is given at brainly.com/question/23352001