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Romashka-Z-Leto [24]
3 years ago
6

If there’s a negative before brackets you do the opposite terms right?

Mathematics
2 answers:
sineoko [7]3 years ago
7 0

Answer:

yes you would change the signs that are inside the parenthesis

Step-by-step explanation:

you do so because the negative outside the parenthesis mean you are distributing the negative to the terms.

Karo-lina-s [1.5K]3 years ago
4 0

Answer:Yes


Step-by-step explanation:

When the negative is on the outside of the bracket you distribute the negative to each term inside the parentheses.

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Answer:

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Step-by-step explanation:

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2 years ago
Jim began a 165 mile bicycle trip to build up stamina for a triathlete competition unfortunately his bike chain broke so he fini
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Answer: Approximately 4.7 hours.

Step-by-step explanation:

He rode the bicycle for some time before it broke down and he walked the remaining distance. This means that Jim covered a total of 165 miles by riding at a speed of 35 miles per hour and walking at a speed of 3 miles per hour.

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Let y = the distance covered by walking.

Time = distance /speed

Time he used in riding would be x/35

Time he used in walking would be y/3

Since the entire trip took 7 hours,

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Total miles covered is 165. Therefore,

x + y = 165 - - - - - - - - -- - -2

Substituting x = 165-y into equation 1, it becomes

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