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2 years ago

HELp PLeaSE ‼️‼️URGENT

Mathematics

1 answer:

Brums [2.3K]2 years ago

3 0

I think it's B ( I might be wrong)

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likoan [24]

It's easy to show that $7\tan(4x)$ is strictly increasing on $x\in\left[0,\frac\pi8\right]$ . This means

$M = \max \left\{7\tan(4x) \mid \dfrac\pi{16} \le x \le \dfrac\pi{12}\right\} = 7\tan(4x) \bigg|_{x=\pi/12} = 7\sqrt3$

and

$m = \min \left\{7\tan(4x) \mid \dfrac\pi{16} \le x \le \dfrac\pi{12}\right\} = 7\tan(4x) \bigg|_{x=\pi/16} = 7$

Then the integral is bounded by

$\displaystyle 7\left(\frac\pi{12} - \frac\pi{16}\right) \le \int_{\pi/16}^{\pi/12} 7\tan(4x) \, dx \le 7\sqrt3 \left(\frac\pi{12} - \frac\pi{16}\right)$

$\implies \displaystyle \boxed{\frac{7\pi}{48}} \le \int_{\pi/16}^{\pi/12} 7\tan(4x) \, dx \le \boxed{\frac{7\sqrt3\,\pi}{48}}$

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2 years ago

Is this equations linear?

Svetlanka [38]

Answer:

Step-by-step explanation:

There can not be x and y both attached to one coefficient.

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3 years ago

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A cab company charges $2.51

kondor19780726 [428]

equation would be the start at 2.51 and go up 1

2.51 + 1x=91.52

we would start by subtracting 2.51

98.01 = x

so they drove 98.01 miles

if you were looking for time you would need the mph if the car was going around 50 it would be close to 2 hours

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3 years ago

Approximately what part of the American flag is blue

Verizon [17]

It is about 35% if i was to estimate

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vesna_86 [32]

16=256
20=400
18=324
34=1156

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