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ratelena [41]
3 years ago
9

Simplify. Write the expression using only positive exponents. 8x^3/2x^9

Mathematics
2 answers:
Helga [31]3 years ago
6 0
4x
4 \frac{1}{ {x}^{6} }
lapo4ka [179]3 years ago
3 0
The original problem is a bit vague in terms of notation.

If you mean (8x^3)/(2x^9), which says "all of '8x^3' over all of '2x^9' ", then you'll do two things

A) Divide the coefficients 8 over 2 to get 8/2 = 4. The final coefficient is 4.

B) Subtract the exponents: (large)-(small) = 9-3 = 6. The 6 is going to be an exponent in the denominator because the larger exponent 9 is in the denominator

-------------------------------

Therefore,
(8x^3)/(2x^9)
simplifies to
4/(x^6)

In other words,
(8x^3)/(2x^9) = 4/(x^6)
is a true equation for any number x as long as the number is not 0.
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82.24 = -8.48 + 4x<br> Need help
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Answer:

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Step-by-step explanation:

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If x=w find the perimeter of vwx A. 16 B. 19 C. 20 D. 22
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3 years ago
Find the next term is in the explicit and recursive rule for the in term of the sequence. NO LINKS!!!
BARSIC [14]

9514 1404 393

Answer:

  5) 729, an=3^n, a[1]=3; a[n]=3·a[n-1]

  6) 1792, an=7(4^(n-1)), a[1]=7; a[n]=4·a[n-1]

Step-by-step explanation:

The next term of a geometric sequence is the last term multiplied by the common ratio. (This is the basis of the recursive formula.)

The Explicit Rule is ...

  a_n=a_1\cdot r^{n-1}

for first term a₁ and common ratio r.

The Recursive Rule is ...

  a[1] = a₁

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__

5. First term is a₁ = 3; common ratio is r = 9/3 = 3.

Next term: 243×3 = 729

Explicit rule: an = 3·3^(n-1) = 3^n

Recursive rule: a[1] = 3; a[n] = 3·a[n-1]

__

6. First term is a₁ = 7; common ratio is r = 28/7 = 4.

Next term: 448×4 = 1792

Explicit rule: an = 7·4^(n-1)

Recursive rule: a[1] = 7; a[n] = 4·a[n-1]

7 0
3 years ago
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Answer:

#1)

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#2)

Angle A = 65 degrees; 180 - 115 = 65

Angle B = 25 degrees; 180 - 155 = 25

4 0
3 years ago
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