3 years ago

Please help me 7th grade math math

Mathematics

1 answer:

Butoxors [25]3 years ago

8 0

Answer: 1/8

Step-by-step explanation: hoped this helped:))

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Encuentra el cociente ??

vagabundo [1.1K]

For this case we must find the quotient of the following expression:

$\frac {(- 8x ^ 2 * y) (- 7x ^ 5 * y ^ 3)} {- 2x ^ 2 * y ^ 3}$

We can rewrite the expression as:

(We take into account that $- * - = +$ )

$\frac {56x ^ 2 * y * x ^ 5 * y ^ 3} {- 2x ^ 2 * y ^ 3} =$

By definition of multiplication of powers of the same base, we place the same base and add the exponents:

$\frac {56x ^ {2 + 5} * y ^ {1 + 3}} {- 2x ^ 2 * y ^ 3} =\\\frac {56x ^ {7} * y ^ {4}} {- 2x ^ 2 * y ^ 3} =$

By definition of division of powers of the same base, we place the same base and subtract the exponents:

$-28x^{ 7-2} * y^{ 4-3} =\\-28x ^ 5 * y$

Answer:

$-28x ^ 5 * y$

4 0

3 years ago

You sell 500 shares of Arena Pharmaceuticals (ARNA) at $3.15 . You purchased the stock at $1.28. How much profit did you make?

denis23 [38]

Answer:

Profit = 935

Step-by-step explanation:

Purchase price: 500×1.28=640

Selling price: 500×3.15=1575

Profit: selling price - purchase price = profit

1575 - 640 = 935

Profit = 935

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3 years ago

Write an expression for the sequence of operations described below.

Anna [14]

Answer:

a - (6-9)

Hopefully this is correct

Step-by-step explanation:

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2 years ago

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If you double the sum of 5 and the number ____, you will get 16

vodomira [7]

The correct answer is 3

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3 years ago

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What is the general rule for the sequence? –8, 3, 14, 25, …

GuDViN [60]

It's adding 11: -8+11=3

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