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NISA [10]
2 years ago
13

2/x^2 in indices form explanation. I know the answer is 2x^-2 but I want an explanation.

Mathematics
1 answer:
Misha Larkins [42]2 years ago
7 0

Answer:

see explanation

Step-by-step explanation:

Using the rule of exponents

\frac{1}{a^{m} } ⇔ a^{-m} , then

\frac{2}{x^2} = 2 × \frac{1}{x^2} = 2x^{-2}

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riadik2000 [5.3K]

To solve the problem:

<span>Let f = distance one way distance on level ground</span>

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Let h = distance rode on the hill</span>

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Write a time equation; where Time = distance/speed:</span>

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level time + uphill time + downhill time + level time = 1hr</span>

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<span>f/9 + h/6 + h/18 + f/9 = 1 hr</span>

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Multiply equation by 18 to get rid of the denominators</span>

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2f + 3h + h + 2f = 18


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Simplify by dividing this by 4


<span>f + h = 4.5 miles is took her to get to Jon’s house.</span>

6 0
2 years ago
Somebody solve this plzz
mash [69]

Answer:

Not a function

Step-by-step explanation:

If you use the line/ pencil test ***I think that's what it's called...

you put a pencil flat on the graph and if it touches more than one point, it is not a function. This only works with some graphs.But it works with this one.  

8 0
2 years ago
Mary is solving the equation 2n – 3 = 83. Her first three steps are shown:
Stells [14]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
2^n - 3 = 83 
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<span>ln(2^n) = ln(86) </span>
<span>n*ln(2) = ln(86) </span>
<span>n= ln(86)/[ln(2)] (which is the same as "log base 2 of 86") </span>
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7 0
3 years ago
Define table represents a group frequency discretion of the number of hours spent on the computer per week for 49 student. What
Scilla [17]

Observe the given data distribution table carefully.

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\begin{gathered} UL=17.4 \\ LL=14.0 \end{gathered}

Thus, the upper-class limit of this 5th class is 17.4.

6 0
1 year ago
The product of two numbers is 144 and their difference is 10. What is the sum of the two numbers
Lyrx [107]

Answer:

18+8=26

Step-by-step explanation:

Their sum would be 18 and * because they have  difference of ten. In order o get this you would have to multiply 1 X144 and so on.

6 0
2 years ago
Read 2 more answers
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