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barxatty [35]
2 years ago
13

How do you simplify a fraction with a denominator of a variable like this 6x/x

Mathematics
1 answer:
Georgia [21]2 years ago
6 0

Step-by-step explanation:

The x's will simply cancel each other out and you will be left with a 6

hope it makes sense

:)

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Which expression is equivalent to (cos x)(tan(–x))?
Naya [18.7K]
The tan(-x) is the same thing as -tan(x).  The tangent function is also the same thing as sin(x)/cos(x), right? So let's rewrite that tan in terms of sin and cos:
[cos(x)][tan(-x)] is the same as [cos(x)][ -\frac{sin(x)}{cos(x)}]
We can now cancel out the cos(x), which leaves us only with -sin(x) remaining. So your answer is A.
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A cell phone company charges $15 for 100 minutes. What is the cost per minute? Round to the nearest cent.
Pavlova-9 [17]

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Step-by-step explanation:

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A shipping box in the shape of a rectangular prism has a volume of 18x^3+5x^2-2x. what are three expressions that can represent
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Volume of the prism is given by:
Volume=length×width×height
but
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4 0
3 years ago
Explain why rational expressions have restrictions
Liula [17]

Answer:

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Step-by-step explanation:

6 0
3 years ago
How long will it take for 2 g of a sample of iodine-131, which has a half-life of about 8 days, to decay to 0.04 g?
Zigmanuir [339]
We know that

<span>This problem can be represented through the following equation
</span>
A = A₀(1/2)^t/h
where
A----------->  is the amount of substance left after time t
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h------------->  is the half-life-----------> 8 days

for A=0.04 g
t=?
0.04 = 2(1/2)^t/8
0.02 = (1/2)^t/8
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ln(0.02) = (t/8)(ln 1/2)
t = 8*ln(0.02)/ln(1/2)
t = 45.15 days

the answer is 45.15 days
6 0
3 years ago
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