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Nookie1986 [14]
3 years ago
10

3. use the law of exponents to evaluate (1/x) ^ -n when x= 7 and n= 2

Mathematics
1 answer:
emmainna [20.7K]3 years ago
8 0
D on both ...................
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How do you do 43? I'm really confused.
Sunny_sXe [5.5K]
Remove parenthesis on m-2 because you don't need to distribute ( you have an invisible 1, but it won't change the values bc it's a one) Combine your like terms on the side you removed the parenthesis. m-2-5   ->   m-7. Now on  the other side distribute the 2 to the terms in the parenthesis.  once you've done that your equation should look like this 8- 2m +8. now lets look at th full equation. m-7=8-2m+8 move the -2m to the other side, by adding. you now have an equation like this 3m- 7=16. move the -7 to the other side by adding. 3m=23. divide 23 by 3. you're answer should be m= 23/3 
its best to leave your answer as a fraction.  
Hope this helped. (:
8 0
3 years ago
What is the factor tree of 99 and 165 and what is the GCF?
Shtirlitz [24]
99
/ \
11 9
/ \
3 3

165
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33 5
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GCF=3
5 0
3 years ago
Enter the values for m, n, and p that complete the difference:
inessss [21]

Answer:

p = 2

n = 14

m = 3

Step-by-step explanation:

In order to be able combine (either add or subtract) rational expressions we need to write them with a common (similar) denominator. For that reason we first find the Least Common Denominator of both fractions, that way understanding how to express the two fractions using equivalent fractions with like denominator that can be combined.

We see that the denominator of the first fraction contains the factor "x", therefore "x" has to be a factor of that least common denominator.

We also see that the second fraction  contains "2" as a factor, therefore 2 has to be a factor as well for our Least Common Denominator (LCD)

So the LCD we need is the product: 2*x which we write as 2x.

Now we write the first fraction as an equivalent one but with denominator "2x" by multiplying top and bottom by 2 (and thus not changing the actual value of the fraction): \frac{7}{x} =\frac{7*2}{x*2} =\frac{14}{2x}

Next we do the same with the second fraction, this time multiplying top and bottom by the factor "x":

\frac{3}{2} =\frac{3x}{2x}

Now that both fractions are written showing the same denominator , we can combine them as indicated:

\frac{7}{x} -\frac{3}{2} =\frac{14}{2x} -\frac{3x}{2x} =\frac{14-3x}{2x}

This expression gives as then the values for the requested coefficients.

p = 2

n = 14

m = 3

5 0
3 years ago
Read 2 more answers
If<br> f(x) = x2 + 2x - 4<br> and<br> g(x) = 3x + 1<br> Find<br> f(g(x)) = [? ]x² +[? ]x+ [?]
zubka84 [21]
Your anwser is quit school ):73
6 0
3 years ago
Angelica’s bouquet of dozen roses contains 5 white roses. The rest of the roses. What fraction of the bouquet is pink? There are
Gennadij [26K]

Answer:

7/12

Step-by-step explanation:

total: 12 roses

white roses: 5

pink roses: 7

fraction of pink roses = 7/12

4 0
2 years ago
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