3 years ago

Which of the following would be the best first step when solving the following system using the substitution method?

1 answer:

7 0

A that a that is your answer iu hoped it helped you and its right

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Novosadov [1.4K]

When simplified the answer is -2n^3+13

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spayn [35]

The answer to this question is 21

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3 years ago

Marina86 [1]

Answer:

Consider the expression $q=\frac{a}{b}$ . q is called the quotient, a is is the dividend and b is the divisor.

Since q is a multiple of 6, then q has the form $q=6k$ for some integer k.

Since a is a multiple of 9, then a has the form $a=9s$ for some integer s.

Since b is a factor of 12, then if 12 can be expressed of the form $12=c*b$ , for c an integer. Then b has the form $b=\frac{12}{m}$

Replacing the preview expression in the initial expression we obtain:

$6k=\frac{9s}{\frac{12}{m}}=\frac{9sm}{12}\\6*12k=9sm\\72k=9sm\\72k-9sm=0$

Then $72k-9sm=0,\; for \; k,s,m\in \mathbb{Z}$ is a equation to Isabel's problem.

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3 years ago

loris [4]

In a scientific notation, it would be: 1.5 × 10⁻⁸

In short, Your Answer would be 1.5 × 10⁻⁸

Hope this helps!

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3 years ago