3 years ago

Both please I need this now

Mathematics

1 answer:

DIA [1.3K]3 years ago

3 0

Answer:

c d

Step-by-step explanation:

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7x = 2y solve for y in terms of x <br> Y=?

Vlad1618 [11]

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Step-by-step explanation:

7x=2y

1) Divide both sides by 2:

y=7x/2

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4 years ago

Write a rational equation that can be solved by multiplying each side by 5(a+2)

qwelly [4]

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3 years ago

A tub of water drains at 3 gallons per minute. y-12=-3(x-1)

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3 years ago

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bekas [8.4K]

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Step-by-step explanation:

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3 years ago

Checking the Mean Value Theorem:<br><br>Number 3

mrs_skeptik [129]

$\bf f(x)=x+\cfrac{1}{x}\qquad \left[\frac{1}{2},2 \right]\\\\
-----------------------------\\\\
\cfrac{df}{dx}=1+\left(-1x^{-2} \right)\implies \cfrac{df}{dx}=1-\cfrac{1}{x^2}
\\\\\\
f'(c)=1-\cfrac{1}{c^2}\quad \quad 1-\cfrac{1}{c^2}=\cfrac{f(2)-f\left( \frac{1}{2} \right)}{2-\frac{1}{2}}
\\\\\\
1-\cfrac{1}{c^2}=\cfrac{\frac{5}{2}-\frac{5}{2}}{\frac{3}{2}}\implies 1-\cfrac{1}{c^2}=\cfrac{0}{\frac{3}{2}}\implies 1-\cfrac{1}{c^2}=0
\\\\\\
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there's a quick graph below of the bounds and the tangent at "c"

not happening -2 or 2 will have a tangent parallel to a,b, needless to say -2 is out of the range [a,b] anyway, so the only value is really 1, on the positive 1st quadrant

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3 years ago