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lianna [129]
3 years ago
13

Megan has $45.12 in her purse. She spends $7.89 for lunch and $21.25 for a pair of

Mathematics
1 answer:
melomori [17]3 years ago
5 0

the answer is B. $16.00 because when you do the math it comes up to 15.98

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What is true about the solution of x^2 / 2x - 6 = 9 / 6x - 18
DanielleElmas [232]

\text{The domain}\\2x-6\neq0\ \wedge\ 6x-18\neq0\to x\neq3\\\\\dfrac{x^2}{2x-6}=\dfrac{9}{6x-18}\\\\\dfrac{x^2}{2(x-3)}=\dfrac{9}{6(x-3)}\ \ \ |\cdot6\\\\\dfrac{3x^2}{x-3}=\dfrac{9}{x-3}\iff3x^2=9\ \ \ |:3\\\\x^2=3\to x=\pm\sqrt3

4 0
3 years ago
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motikmotik

Find where the equation is undefined ( when the denominator is equal to 0.

Since they say x = 5, replace x in the equation see which ones equal o:

5-5 = 0


So we know the denominator has to be (x-5), this now narrows it down to the first two answers.


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In the equations given neither the numerator or denominators have an exponent ( neither are raised to a power)

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8 0
3 years ago
Suppose y varies inversely as x, and y=25 when x=3. Find x when y=15
malfutka [58]

Answer:

If

y

varies inversely as

x

then

XXX

x

⋅

y

=

c

for some constant

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x

=

2

then

y

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So

XXX

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XXX

⇒

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and

XXX

x

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=

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Therefore when

y

=

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XXX

x

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XXX

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Step-by-step explanation:

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3 years ago
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REY [17]
Send a picture so i can answer it
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3 years ago
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