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Which of the following inequalities are correct?
2 answers:
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Answer:
≈ 77 cm²
Step-by-step explanation:
The area of the shaded portion is calculated as
area of outer sector - area of inner sector
= (πR² - π r²) × ( R is the outer radius, r is the inner radius )
= (π × 14² - π × 7² ) ×
= (196π - 49π ) ÷ 6
= 147π ÷ 6
≈ 77 cm² ( nearest whole number )
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