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3 years ago

12

Find the unit rate (How much for

1 answer:

Ber [7]3 years ago

8 0

Answer:

$16.455

Step-by-step explanation:

98.73/6 = y

16.455 = y

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If 2x2 + y2 = 17 then evaluate the second derivative of y with respect to x when x = 2 and y = 3. Round your answer to 2 decimal

Vera_Pavlovna [14]

Answer:

y''=-1.26

Step-by-step explanation:

We are given that $2x^2+y^2=17$

We have evaluate the second order derivative of y w.r.t. x when x=2 and y=3.

Differentiate w.r.t x

Then , we get

$4x+2yy'=0$

$2x+yy'=0$

$yy'=-2x$

$y'=-\frac{2x}{y}$

Again differentiate w.r.t.x

Then , we get

$2+(y')^2+yy''=0$ $(u\cdot v)'=u'v+v'u)$

$2+(y')^2+yy''=0$

Using value of y'

$yy''=-2-(-\frac{2x}{y})^2$

$y''=-\frac{2+(-\frac{2x}{y})^2}{y}$

Substitute x=2 and y=3

Then, we get $y''=-\frac{2+(\frac{4}{3})^2}{3}$

$y''=-\frac{18+16}{9\times 3}=-\frac{34}{27}$

Hence,y''=-1.26

6 0

3 years ago

Id just like the awnser please.

rewona [7]

Answer:

A. $32/.0333333 = 1$

20/ .066666]

8/.1

-4/.3

b. 125

3 0

2 years ago

Given that a triangle has two sides of lengths 10 yards and 15 yards, which is a possible length of the third side?

Dmitry [639]

I’m pretty sure it’s the second one, 15

6 0

3 years ago

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Find the area of the right triangle.

frez [133]

Answer:

12

Step-by-step explanation:

Length=4

Width=6

Triangle area formula: Length*Width/2

So, 6*4/2

Equal to 6*2

Answer: 12

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3 years ago

The vertical change between 2 points.

fredd [130]

Answer:

what does it look like we need that

Step-by-step explanation:

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3 years ago

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