3 years ago

Make a table for f(x) = 2.5x − 10.5 from 2-6. I just need the numbers

Mathematics

1 answer:

myrzilka [38]3 years ago

5 0

Answer:

∶

−

Step-by-step explanation:

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Lena [83]

For $\sin^2x$ and $\cos^2x$ , it's helpful to remember the half-angle identities:

$\sin^2x=\dfrac{1-\cos2x}2$
$\cos^2x=\dfrac{1+\cos2x}2$

So

$\displaystyle\int\sin^2x\,\mathrm dx=\frac12\int(1-\cos2x)\,\mathrm dx=\frac x2-\frac{\sin2x}4=C$
$\displaystyle\int\cos^2x\,\mathrm dx=\frac12\int(1+\cos2x)\,\mathrm dx=\frac x2+\frac{\sin2x}4=C$

For $\tan^2x$ , the Pythagorean identity suffices:

$\sin^2x+\cos^2x=1\implies \tan^2x+1=\sec^2x$

which means

$\displaystyle\int\tan^2x\,\mathrm dx=\int(\sec^2x-1)\,\mathrm dx=\tan x-x+C$

since $\dfrac{\mathrm d}{\mathrm dx}\tan x=\sec^2x$ .

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3 years ago

You are given the height and the circumference of the base of a cylinder. Describe how to find the surface area of the entire cy

Talja [164]

Hello from MrBillDoesMath!

Answer:

2 * (Pi r^2) + (Pi r^2)*h

where r = C/(2 Pi)

Discussion:

Total surface area of cylinder =

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2 * area of base + (area of base) * h

Generally, C = 2 Pi r, so r = C/(2 Pi) is known as we are given C. . Plugging this in the above equation gives

2 * (Pi r^2) + (Pi r^2)*h

Thank you,

MrB

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4 years ago

Graph a linear function with a slope of –2 and a y-intercept of 7.

Setler79 [48]

Answer:

Sorry for the sloppiness of the drawing

Step-by-step explanation:

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Use the information given to enter an equation in standard form. (4, −8) and (1, −2) are on the line.

myrzilka [38]

I don't know if I'm correct but try 2x-y=0

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3 years ago

Point C is reflected across AB such that it maps onto point D. Points C and D are then connected to form CD . Which of the follo

FinnZ [79.3K]

Answer:

2)CD is parallel to AB

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4 years ago