5% of 1200 calories = 1200 × 0.05 = 60 calories
If one hour on the treadmill burns 200 calories and he only needs to burn 60 calories,
60 minutes ÷ 200 calories = 0.3 minutes needed to burn 1 calorie
0.3 × 60 = 18 minutes needed to burn 60 calories
Sine (37) = 9.4 / ED (the hypotenuse)
ED = 9.4 / 0.60182
ED =
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15.6192881593
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The answer is C: Tranh must remake any sculptures that weigh less than 8.3 pounds or more than 9.8 pounds.
hope this helps :p, thank you and have a nice day
Total food:
8.50 + 1.99 = $10.49
Tax: 10.49 x 0.06 = $0.63
Tip: 10.49 x 0.15 = $1.57
Total: 10.49 + 0.63 + 1.57 = $12.69
5x²+13x-4-17x²-7x+19+15x²+5x-21x-7=
=5x²+15x²-17x² +(13x-7x+5x-21x) -4-7+19=
=3x²-10x+8
