How do you solve -x+2y=21 5x+6y=23 Using the elimination method
1 answer:
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Answer: 8
Step-by-step explanation:
Given
Lian has and she has twice as many dimes as nickels
Suppose she has nickels
So, the number of dimes is
Nickel is equivalent to 5 cents and dime is equivalent to 10 cent
Therefore she has 8 dimes with her.
1) 12 * 9 = 108 cm² - part 1
2) 12 - 3 - 3 = 6 cm
3) 6 * 4 = 24 cm² - part 2
4) 108 + 24 = 132 cm ² - the area.
2) 12 - 3 - 3 = 6 cm
3) 6 * 4 = 24 cm² - part 2
4) 108 + 24 = 132 cm ² - the area.