3 years ago

CAN SOMEONE PLEASEEE HELP SIMPLIFY THESE TWO EXPONENT PROBLEMS I HAVE NO CLUE HOW

Mathematics

1 answer:

Alecsey [184]3 years ago

6 0

Answer:

20. $-\frac{y^{12} }{9x^{4} }$

Step-by-step explanation:

21. $3 x^{2} y^{2}$

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Dequan is training for a marathon. He runs 20 miles every 4 days. What is the unit rate for Dequan?

KonstantinChe [14]

Answer:

Dequan walks 5 miles per day.

Step-by-step explanation:

So solve this problem, we just need to divide 20 miles by 4 days.

20 ÷ 4 = 5

Therefore, Dequan walks 5 miles per day.

Hope this helps! :D

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3 years ago

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Shkiper50 [21]

Answer:

infinite

Step-by-step explanation:

Let the linear equation in two variables be ax+by+c=0

Put values

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bezimeni [28]

You would get -2x^2.

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3 years ago

Solve using elimination. -7x – 5y = -4 7x + 9y = -4

Brut [27]

-7x-5y=-47x+9y=-4

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Help! Giving brainliest and 10+ points, A ball is dropped from the top of a 400-ft tall tower. The relationship between the time

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Answer:

Step-by-step explanation:

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