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3 years ago

15

a company is packing cartons of candles. each carton can hold 75 candles. so far, 50 cartons have been packed, but only 30 carto

ns have been loaded on a truck. how many more candles are left to load on the truck?

1 answer:

Alinara [238K]3 years ago

7 0

If theres 50 cartons in total and 30 have been loaded then 20 have not.

20 x 75 = 1,500

So the answer is 1,500 candles.

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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

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earnstyle [38]

In this number 800 is 10 times as much as what number. To answer the query we can illustrate this problem into a mathematical equation of

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Answer:

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