3 years ago

Write an equivalent expression 8(y-7z+1)

Mathematics

1 answer:

Musya8 [376]3 years ago

5 0

Answer:

8y−56z+8

Step-by-step explanation:

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3 years ago

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Answer: D

Step-by-step explanation:

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3 years ago

Read 2 more answers

A person invests 3500 dollars in a bank. The bank pays 6.25% interest compounded annually. To the nearest tenth of a year, how l

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18.328 or 18.3 years

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3 years ago

Question Help

lorasvet [3.4K]

Answer:

The speed of the boat is 20 km/hr

Step-by-step explanation:

Let s be the speed of boat in still water

Let d be the distance

Upstream speed = s-4

Jane took 30 min to drive her boat upstream to water-ski at her favorite spot.

So, Distance traveled in upstream = $Speed \times time =(s-4) \times \frac{30}{60}$

Downstream speed = s+4

So, Distance traveled in downstream = $Speed \times time =(s+4) \times \frac{20}{60}$

So, $(s-4) \times \frac{30}{60}=(s+4) \times \frac{20}{60}$

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3 years ago