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noname [10]
4 years ago
10

Please help. I don’t know what to do with the -8 and 12

Mathematics
1 answer:
inessss [21]4 years ago
4 0

Answer: the simplified expression is

2y^15/(3x^5z^12)

Step-by-step explanation:

The given expression is

(-8x^2y^8z^-5) / (12^4y^-7z^7)

To simplify the given expression, we would apply one of the rules of indices. It is expressed as follows

x^a ÷ x^b = x^(a - b)

Applying the above rule of indices, the expression becomes

(-8/12 × x^(2 - 7) × y^(8 - - 7) × z^ (- 5 - 7)

= - 2/3 × x^- 5 × y^15 × z^-12

= - 2/3x^- 5y^15z^-12

= 2y^15/(3x^5z^12)

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Help pleaseee!!!!!!!
Crank

Answer:

1. 180

2. 300

3. 480

Step-by-step explanation:

1. Since 30% of 600 (or 0.3 * 600) = 180, the 1st blank is 180.

2. 50% of 600 (also easy to just think of one half {1/2}) = 300

3. Because 180 + 300 = 480

hope this helps:)

4 0
2 years ago
What is the answer to this question1/2 divided by 6/13
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Answer:

0.006410256

Step-by-step explanation:

3 0
3 years ago
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lisov135 [29]
V=1/3(6)(4)(8) this is the correct answer
6 0
3 years ago
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What is the solution to the equation?<br> 2/3x=10<br> A. 15<br> B. 30<br> C. 6 2/3<br> D. 6 1/2
Andreyy89
It is A 
<span><span><span>23</span>x</span>=10</span>Step 1: Multiply both sides by 3/2.<span><span><span>(<span>32</span>)</span>*<span>(<span><span>23</span>x</span>)</span></span>=<span><span>(<span>32</span>)</span>*<span>(10)</span></span></span><span>x=<span>15
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8 0
3 years ago
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What is the common difference for this arithmetic sequence?<br> 31, 48, 65, 82, ...
sergejj [24]

Answer:

d = 17

Step-by-step explanation:

The given arithmetic sequence is :

31, 48, 65, 82, ...

We need to find the common difference for this sequence.

First term, a₁ = 31

Second term, a₂ = 48

Common difference = a₂-a₁

= 48-31

= 17

So, the common difference for this arithmetic sequence is equal to 17.

6 0
3 years ago
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