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3 years ago

Find the length of the segment indicated. . 9.6 10.2 <

Mathematics

1 answer:

maksim [4K]3 years ago

7 0

Answer:

i think d or c.....i think it's correct because know just small...

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In Exercise, find the derivative of the function.<br> y = 3ex - xex

nevsk [136]

Answer:

the question is incomplete, the complete question is "find the derivative of the function $y=3e^{x}-xe^{x}$ "

answer: $\frac{dy}{dx}=(2-x)e^{x}$ .

Step-by-step explanation:

From the equation, $y=3e^{x}-xe^{x}$ , we approach the question using the differentiation of a product and differentiation of a sum simultaneously,

the differentiation of a sum is express as

f(x)=u(x)+v(x)+.....w(x) then

$\frac{df(x)}{dx}=\frac{du(x)}{dx}+\frac{dv(x)}{dx}+...\frac{dw(x)}{dx}.\\$

For the differentiation of a product we have

f(x)=u(x)v(x), then

$\frac{df(x)}{dx}=\frac{dv(x)}{dx}u(x)+\frac{du(x)}{dx}v(x)$

hence if we go by the formula we arrive at

for $y=3e^{x}$

let u(x)=3 hence du/dx=0 and

$v(x)=e^{x}$ and $\frac{dv(x)}{dx}=e^{x}$

hence $\frac{dy}{dx}=3e^{x}+0e^{x}\\\frac{dy}{dx}=3e^{x}---equation 1\\$

Also for $y=-xe^{x}\\\frac{dy}{dx}=-e^{x}-xe^{x}---equation 2$ .

if we add equation 1 and equation 2 we arrive at

$\frac{dy}{dx}=3e^{x}-e^{x}-xe^{x}\\\frac{dy}{dx}=(3-1-x)e^{x}\\\frac{dy}{dx}=(2-x)e^{x}$ .

4 0

4 years ago

Solve 4x - c=k for x

kumpel [21]

Answer:

x=k/4+c/4

Step-by-step explanation:

4x-c=k

4x=k+c

x=k/4+c/4

8 0

4 years ago

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The radius of the inscribed circle is 10in what is the perimeter of square CABD

Monica [59]

Answer:

Step-by-step explanation:

Diameter = 10 * 2 = 20in

Diameter of inscribed circle = Length of one side of square

Perimeter of square = 4 * length

P = 4 * 20 = 80in

6 0

4 years ago

A boy saves up $74 for a gift for his friend. However, upon reaching the store, he realizes that he saved 128% of the actual amo

almond37 [142]

Answer:

57.8325

Step-by-step explanation:

74=128% x whole

74/128%= whole

57.8125=price if the present

7 0

3 years ago

Lines b and c are parallel<br><br> Which pairs of angles are supplementary? Select all that apply

Arisa [49]

Angles 2 and 4, and Angles 3 and 5 are supplementary. Supplementary means two angles add up to 180 degrees (aka a straight line).

5 0

4 years ago

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