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Volgvan
3 years ago
13

Based on the equation below. What is the value of 3a + 1 -4a - 1 = -21

Mathematics
2 answers:
hammer [34]3 years ago
6 0

Answer:

a = -21

Step-by-step explanation:

rjkz [21]3 years ago
3 0

Answer:

2/3

Step-by-step explanation:

I think that is it

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How would you integrate (2x-1)(6x+5)? is there a product rule for integration?
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No, there is not a product rule for integration.

To integrate (2x - 1)(6x + 5), start expanding the product:

(2x - 1)(6x + 5) = 12x^2 + 10x - 6x - 5 = 12x^2 + 4x - 5.

Now, I guess you know how to integrate that:

∫ (12x^2 + 4x - 5) dx = ∫12x^2 dx + ∫4x dx + ∫ (-5) dx =  4x^3 + 2x^2 - 5x + C

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Evaluate x-2 for x = -3.
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X-2 for x=-3
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3 years ago
Simplify the expression.<br><br><br> Write your answer without negative exponents.
Phoenix [80]

Answer:

-5/ (x^19 * y^12)

Step-by-step explanation:

-15x^-10 * y ^ -3 * x^-9 * y^-9/3 (It's writing it like this.)

15 and 3 have a GCF of 3.

-5x^-10 * y^-3 * x^-9 * y^-9/1

Reduce similar occurrences. *twice in a row*

-5x^(-10 + (-9)) * y^(-3 + (-9))/1

Remove extra signs *twice in a row*

-5x^(-10 - 9) * y^(-3 - 9)/1

Remove extraneous 1.

-5x^(-10 - 9) * y^(-3 - 9)

Add integers.

-5x^-19 * y^-12

Negative powers change multiplication to division.

-5 / (x^19 * y^12) is the final answer.

Even with that, the simplified answer wouldn't have negative exponents because of the negative powers rule.

8 0
2 years ago
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