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maksim [4K]
3 years ago
7

Use benchmarks to estimate each sum 4/5 + 8/9

Mathematics
1 answer:
solong [7]3 years ago
8 0

Answer:

76/45?

Step-by-step explanation:

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The quantity r varies jointly with t and u and inversely with s when t= -12, u= -7, and s= -4, r= -126. Find r when t= -8, u= 8,
vichka [17]

Answer:

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r = (k*t*u)/s

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