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3 years ago

I want to wrap an oatmeal container. It is round with two round bases. How much paper would I need to

Mathematics

1 answer:

Cerrena [4.2K]3 years ago

8 0

Answer:

191.9

Step-by-step explanation:

so the actual equation is $S=2\pi r^{2} +2\pi rh$ I know it is confusing but we just learned this so hope this helps!

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BRAINLIEST

Leona [35]

Answer:

309

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Differentiate x^2 e^x logx

zimovet [89]

Product rule:

$\dfrac{\mathrm d}{\mathrm dx}(x^2e^x\log x)$

$=\dfrac{\mathrm d(x^2)}{\mathrm dx}e^x\log x+x^2\dfrac{\mathrm d(e^x)}{\mathrm dx}\log x+x^2e^x\dfrac{\mathrm d(\log x)}{\mathrm dx}$

Power rule:

$\dfrac{\mathrm d(x^2)}{\mathrm dx}=2x$

The exponential function is its own derivative:

$\dfrac{\mathrm d(e^x)}{\mathrm dx}=e^x$

Assuming the base of $\log x$ is $e$ , its derivative is

$\dfrac{\mathrm d(\log x)}{\mathrm dx}=\dfrac1x$

But if you mean a logarithm of arbitrary base $b$ , we have

$y=\log_bx\implies x=b^y=e^{y\ln b}\implies1=e^{y\ln b}\ln b\dfrac{\mathrm dy}{\mathrm dx}$

$\implies\dfrac{\mathrm dy}{\mathrm dx}=\dfrac{e^{-y\ln b}}{\ln b}=\dfrac1{b^y\ln b}$

$\implies\dfrac{\mathrm d(\log_bx)}{\mathrm dx}=\dfrac1{x\ln b}$

So we end up with

$2xe^x\log x+x^2e^x\log x+\dfrac{x^2e^x}x$

$=xe^x(2\log x+x\log x+1)$

8 0

3 years ago

Z2 + (2j – 3)z + (5 – j) = 0

BARSIC [14]

Answer:

2z+(2j-3)z+(5-j)=0

2z +2jz-3z+5-j=0

2z-3z+2jz-j=-5

-z+2jz-j=-5

2jz-z-j=-5

I hope this help

4 0

3 years ago

5) A rectangular piece of paper is 10cmn long and 5cm broad.find its area,

ivann1987 [24]

Area=L•W
10cm•5cm= 50cm^2

3 0

2 years ago

Which three numbers are greater then 0.716 and less then 0.9

lorasvet [3.4K]

0.717, 0.718, 0.720, 0.820......

5 0

3 years ago