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4 years ago

Which represents an exterior angle of triangle ABF

Mathematics

2 answers:

mr Goodwill [35]4 years ago

7 0

The correct answer is CAB

andreyandreev [35.5K]4 years ago

3 0

Answer:BAD AFE CAD CAB

Step-by-step explanation:

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Determine whether the integral is convergent or divergent. ∫[infinity] 2 e^−1/x / x^2 dx : O Convergent O divergent If it is con

monitta

Let $f(x)=e^{-1/x}$ . Then $f'(x)=\frac1{x^2}e^{-1/x}>0$ for all $x\ge2$ , so $f$ is strictly increasing. As $x\to\infty$ , $e^{-1/x}\to e^0=1$ , so $f$ is bounded above by 1. This is to say,

$e^{-1/x}$

and the integral of $\frac1{x^2}$ converges over the same domain, so this integral must also converge by comparison.

We have, by setting $y=-\frac1x$ ,

$\displaystyle\int_2^\infty\frac{e^{-1/x}}{x^2}\,\mathrm dx=\int_{-1/2}^0e^y\,\mathrm dy=e^0-e^{-1/2}=1-\frac1{\sqrt e}$

8 0

3 years ago

What is each product? For 5/10•10/3

Naily [24]

10 cancels out so its 5/3 :) Rate Me plz

7 0

3 years ago

Please help me with this :))))) If

jonny [76]

Answer:

c) x = 20, angle COD = 70 °

Step-by-step explanation:

(x+50)° + 90° +20° = 180°

x + 160° = 180°

x = 180°- 160°

x = 20

Angle COD = (x+50)° = (20 +50)° = 70°

Hope this helps

6 0

2 years ago

PLEASE HELP!!! What is the value of x? Enter your answer in the box. x =

Elan Coil [88]

Answer:

32°

Step-by-step explanation:

This is an equilateral triangle which means all three sides of the triangle is equal so is the angles.

Therefore the value of x is : 2x - 4 = 60° ➡ 2x = 64° ➡ x = 32°

3 0

4 years ago

Is about inequalities, I know the rule of flipping the sign if you multiply or divide by a negative numbers but a few examples c

Westkost [7]

Answer:

do not flip the sign

Step-by-step explanation:

you only flip when you divide with negative number

however, for you to get the intercepts, you assumed

for y =0

5x +2(0)<14

5x<14

x<14/5<2.8

and also

x=0

5(0)+2y<14

2y<14

y<14/2

y<7

this assumption is because at interception, either x or y will be at origin

3 0

3 years ago