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Flura [38]
3 years ago
14

2 Ryan has 250 pages remaining in his

Mathematics
2 answers:
Nina [5.8K]3 years ago
8 0

Answer:

62.5 pages!

Step-by-step explanation:

250/4=62.5

statuscvo [17]3 years ago
5 0

Answer:

A

Step-by-step explanation:

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Y=3x-1 identify the slope and y-intercerpt
soldier1979 [14.2K]

Answer: The slope is 3 and the y-intercept is -1

Step-by-step explanation: This is right bro. 100%

7 0
3 years ago
Read 2 more answers
Review the graph. On a coordinate plane, a function starts at (negative StartFraction pi Over 2 EndFraction, negative 1), has an
aivan3 [116]

Answer:

A

Step-by-step explanation:

4 0
3 years ago
If f(x)=2x+sinx and the function g is the inverse of f then g'(2)=
Alexxx [7]
\bf f(x)=y=2x+sin(x)
\\\\\\
inverse\implies x=2y+sin(y)\leftarrow f^{-1}(x)\leftarrow g(x)
\\\\\\
\textit{now, the "y" in the inverse, is really just g(x)}
\\\\\\
\textit{so, we can write it as }x=2g(x)+sin[g(x)]\\\\
-----------------------------\\\\

\bf \textit{let's use implicit differentiation}\\\\
1=2\cfrac{dg(x)}{dx}+cos[g(x)]\cdot \cfrac{dg(x)}{dx}\impliedby \textit{common factor}
\\\\\\
1=\cfrac{dg(x)}{dx}[2+cos[g(x)]]\implies \cfrac{1}{[2+cos[g(x)]]}=\cfrac{dg(x)}{dx}=g'(x)\\\\
-----------------------------\\\\
g'(2)=\cfrac{1}{2+cos[g(2)]}

now, if we just knew what g(2)  is, we'd be golden, however, we dunno

BUT, recall, g(x) is the inverse of f(x), meaning, all domain for f(x) is really the range of g(x) and, the range for f(x), is the domain for g(x)

for inverse expressions, the domain and range is the same as the original, just switched over

so, g(2) = some range value
that  means if we use that value in f(x),   f( some range value) = 2

so... in short, instead of getting the range from g(2), let's get the domain of f(x) IF the range is 2

thus    2 = 2x+sin(x)

\bf 2=2x+sin(x)\implies 0=2x+sin(x)-2
\\\\\\
-----------------------------\\\\
g'(2)=\cfrac{1}{2+cos[g(2)]}\implies g'(2)=\cfrac{1}{2+cos[2x+sin(x)-2]}

hmmm I was looking for some constant value... but hmm, not sure there is one, so I think that'd be it
5 0
3 years ago
I just need someone to tell me who earns more money per hour, and explain how
worty [1.4K]

Answer:

Lisa earns more money because John makes $16 while Lisa makes $18.

3 0
3 years ago
On a recent day, one U.S dollar was worth 0.81 euros. If you were to exchange 222 euros, how many U.S dollars would you receive?
Juli2301 [7.4K]

<em>Answer:</em>

<em>254.22</em>

<em>Step-by-step explanation:</em>

<em>222 euros equal 254.22</em>

7 0
3 years ago
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