3 years ago

Help me bixjeskdnaksnwgdd

Mathematics

1 answer:

N76 [4]3 years ago

5 0

Answer:

With what

Step-by-step explanation:

i will help you!!!!!

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What is the slope of the line tangent to the curve y+2 = (x^2/2) - 2siny at the point (2,0)?

Aleksandr-060686 [28]

Implicit differentiation
take the deritivive with respect to x

first
y+2=(1/2)(x^2)-2sin(y)
take deritivitive
dy/dx+0=1/2(2x)-2(cosy)dy/dx
dy/dx=x-2cosy(dy/dx)
add 2cosy(dy/dx) to both sides
dy/dx+2cosy(dy/dx) =x
undistribute dy/dx
dy/dx(1+2cos(y))=x
divide both sides by 1+2cos(y)
$\frac{dy}{dx}= \frac{x}{1+2cos(y)}$
at (2,0)
x=2
y=0

$\frac{dy}{dx}= \frac{2}{1+2cos(0)}$
$\frac{dy}{dx}= \frac{2}{1+2(1)}$
$\frac{dy}{dx}= \frac{2}{1+2}$
$\frac{dy}{dx}= \frac{2}{3}$
the slope is 2/3

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3 years ago

Please help me ASAP I got these wrong and I want you to correct it

Verizon [17]

Answer:

Step-by-step explanation:

see attached for questions 3's answer

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3 years ago

How many miles does it travel in 1 hour?

podryga [215]

It would be 2.1 hours or about 2 hours.

It says the train travels about 2118 miles per 8 miles. So, divide 2118 by 8, which gives you 264.75 (when you see the word PER it usually indicates to divide). That gives you part A.

Then, you divide 560, (which is the distance between Columbus, Ohio, and New York) by 264.75 to see how many hours it took, which gives you 2.1152030217...., which simplifies to 2.1. Which gives you the answer for B.

So,
A is 560 and
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-6 + (-2) + 5= ? Help would really be appreciated!! :)

kvasek [131]

Answer:

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Step-by-step explanation:

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