Answer:
48
Step-by-step explanation:
180- 59- 52 = 69
Therefore,
69 + x + 63 = 180
x = 48
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Answer:
4 17/25
Step-by-step explanation:
68
four and sixty-eight hundredths => 4 ------- or 4 34/50 or 4 17/25
100
Answer:
- The product of an even number and an oven number
- The product of an odd number and an odd number
- The product of a perfect cube and a perfect cube
Step-by-step explanation:
The product of two even numbers will have at least two factors of 2, so will be even: <em>even numbers are closed under multiplication</em>.
The product of two odd numbers will be an even number plus 1, so will be odd: <em>odd numbers are closed under multiplication</em>.
The product of two cubes will be the cube of the product of their cube roots: <em>cubes are closed under multiplication</em>.
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The product of two negative numbers will be positive, so <em>the set of negative numbers is </em><em><u>not closed</u></em><em> under multiplication</em>.
Answer:
165 minutes
Step-by-step explanation:
1hour--> 60 minutes
60+60+45=165 minutes