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3 years ago

Please help if you know the answer please

Mathematics

2 answers:

LekaFEV [45]3 years ago

4 0

The answer is a, 0.019 because there are zero ones and zero tenths and there are 19 hundredths.

Hope this helps
Please mark brainliest
Let me know if this is wrong
Have a good day
..;)

Neko [114]3 years ago

3 0

Answer:

i think the answer is b. 0.19

Step-by-step explanation:

let me know if this is incorrect

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3 years ago

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

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

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3 years ago

Someone help me with this pleaseee..

Blababa [14]

So whatever happened does not matter, They are only asking the volume of liquid left in A at the end. Therefore :

Calculation :

B + 120 = 4A

B = 4A - 120 ---------- 1

A - 120 = B ------------ 2

Subtract 2 from 1

B - B = 4A - 120 - A - 120

0 = 3A - 240

240 = 3A

240 ÷ 3 = A

8 = A

Answer :

A = 8

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3 years ago

Equation in point slope form for the line That passes through the given points (-4,6) (-2,22)

mr_godi [17]

Step-by-step explanation:

$\frac{y}{x}$

=6÷-4

=-1.5

also

(-2,22)

=-2÷22

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