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3 years ago

Which is the correct form

Mathematics

2 answers:

slamgirl [31]3 years ago

7 0

None of the above is the correct choice

inna [77]3 years ago

7 0

No, it’s a. Absolute value is still positive.

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Does anyone know how to calculate the volume of a sphere

marshall27 [118]

Answer:

V=4 /3 times pie(3.14) times r^3

Step-by-step explanation:

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2 years ago

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Find the limit. (If an answer does not exist, enter DNE.) lim Δx→0 (x + Δx)2 − 3(x + Δx) + 2 − (x2 − 3x + 2) Δx

yawa3891 [41]

$\displaystyle\lim_{\Delta x\to0}\frac{(x+\Delta x)^2-3(x+\Delta x)+2-(x^2-3x+2)}{\Delta x}$

Expand the numerator as

$x^2+2x\Delta x+(\Delta x)^2-3x-3\Delta x+2-x^2+3x-2=(2x-3)\Delta x+(\Delta x)^2$

Then in the limit,

$\displaystyle\lim_{\Delta x\to0}\frac{(2x-3)\Delta x+(\Delta x)^2}{\Delta x}=\lim_{\Delta x\to0}(2x-3+\Delta x)=\boxed{2x-3}$

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2 years ago

I. Red help pls bros

melamori03 [73]

Answer:

the 3rd one

Step-by-step explanation:

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2 years ago

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WCLN PCMath1l - Rev. Sept/2018

Verdich [7]

Answer:

$\frac{p + 1}{p - 8}$

Step-by-step explanation:

$The \: slope: \frac{2p + 1 - p}{p - 5 - 3} = \frac{p + 1}{p - 8}$

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3 years ago

Please help I’ll mark brainliest

denpristay [2]

Answer:

166.27 m2

Step-by-step explanation:

area of hexagon = $\frac{3*\sqrt{3} }{2}$ * $a^{2}$ where a = length of 1 side

this hexagon is made of 6 equivalent triangle

consider ABC triangle

let AC length be x

AB = 2 * AC = 2x = a

$bc^{2} = ab^{2} - ac^{2} \\(4\sqrt{3})^{2} =(2x)^{2} - x^{2} \\48=3*x^{2}\\ 16=x^{2} \\x=4$

Hence a = 8

hence area of hexagon = $\frac{3*\sqrt{3} }{2}$ * $a^{2}$ = $\frac{3*\sqrt{3} }{2}$ * $8^{2}$ = 166.27 m2

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3 years ago