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NemiM [27]
3 years ago
13

Simplify 3/x-1 + 1/x-2

Mathematics
1 answer:
creativ13 [48]3 years ago
3 0

Answer:

4-3x over x or 4-3x/x

I'm not sure. but I hope it can help you:))

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The function f(x) varies directly with x, and f(x) = 45 when x = 9.
Paladinen [302]

Answer:

Option C = 15

Step-by-step explanation:

In principle when a function <em>f(x) </em>varies directly with <em>x</em> it suggests that any changes in x results in the equivalent changes in<em> f(x)</em>. If we have two variables, i.e. <em>y</em> representing<em> f(x)</em> and <em>x</em> representing itself, any increment/decrement in <em>x</em> will result to the same increment/decrement in <em>y</em> by a factor <em>a, thus we can say that y = ax, implying y and x have the same ratio. </em>

In the given question we know that <em>f(x) = 45</em> when x=9<em>, </em>which translates as

f(x=9) = 45

This tells us that f(x) varies by a factor (lets call it) a for a given value of x.

To find this factor we can just divide 45 with 9 which gives: \frac{45}{9} = 5

Thus the factor a here is a=5 which finally tells us that

f(x) = 5x    Eqn (1) our original function.

Since we now know our function we can plug in the value for x=3 and solve for f(x=3) as follow:

f(x=3)= 5*3

f(x=3) = 15

f(3) = 15

Looking at the given options in the question we can conclude that the correct answer is Option C = 15

3 0
3 years ago
A British company is sending you measurements for a table to build in your factory. The table top must be 50 cm x 75 cm. Your ma
Degger [83]

Answer:

<h2>Answer is B!</h2>

Step-by-step explanation:

<h2>Mutiply 0.39*50=19.5</h2><h2>Mutiply 0.39*75=29.25</h2>

<h2>Does this help?</h2>
4 0
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How do I factor this? Please explain the steps
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Step-by-step explanation:

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1. 6x + 2y = -12
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Answer:

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I2991992

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3 years ago
2/3(3/5x+9)=(2x+40)<br><br> Algebra II
Gennadij [26K]

Answer:

value if x is -21.25.

...............

8 0
3 years ago
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