Answer:
52.5
Step-by-step explanation:
=24.5/7
=3.5
Then
3.5*15
=52.5 ans#
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Answer:
Step-by-step explanation:
a² + b² = c²
a² + (21.5)² = (31.9)²
a² + 462.25 = 1017.61
a² = 555.36
a = 23.6
(-1/2) and (-3/4)... multiply numerators and denominators and you will get 3/8