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mash [69]
2 years ago
8

Simplify . (1/c + 1/h)/(1/(c ^ 2) - 1/(r ^ 2))

Mathematics
1 answer:
omeli [17]2 years ago
3 0

Answer:

(h+c)/ch ÷ (h²+c²)/c²h²

(h+c)/ch × c²h²/(h²+c²)

(h+c)/1 × ch/(h²+c²)

ch(h+c)/(h²+c²)

I would appreciate if my answer is chosen as a brainliest answer

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I need help with question 30..
Aloiza [94]

Let's say 1000 dollars was spent on all of these. That would mean 170 dollars and 240 were spent on food and entertainment respectivly. If we want to see how much of the total cost was spent on these things, we would have to add them and divide them by 1000, so:

\frac{170+240}{1000}=\frac{410}{1000}=frac{41}{100}

6 0
3 years ago
Divide the following polynomials, then place the answer in the proper location on the grid. Write answer in descending powers of
Varvara68 [4.7K]
Let's rewrite the given expression correctly:
 (2y3 + 3y2 - 4y - 5) / (y + 1)
 Dividing the expression between y + 1 we have:
 2y2 + y - 5
 We can check the result:
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 Division OK.
 Answer:
 
The result of the division is:
 
2y2 + y - 5
7 0
3 years ago
A board is 60 centimeters long Kelly cut the board into two pieces with 14 centimeters longer than the other find the longer pie
Dahasolnce [82]

Answer:

44 cm

Step-by-step explanation:

So, it is asking what the bigger piece of the 60 cm board is. First you can divide it into two even pieces. That makes each piece 30 cm. but, it wants one of the two 14 cm bigger, right? So, now your going to add 14 cm to 30 cm, giving you 44 cm. But, if you do that then you will have to subtract 14 cm from the other board. That leaves you with the bigger board is 44 cm, and the smaller one is 16 cm.

5 0
3 years ago
What are the zeros of f(x) = x2 - x - 30?
Grace [21]

Answer:

the answer is x = -6 and x =5

just took the test

5 0
3 years ago
Find the area of the figure.
Kruka [31]
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A = (3*3)/2
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24 + 4.5 = 28.5
8 0
3 years ago
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