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vovikov84 [41]
3 years ago
12

In the diagram, segments AD and AB are tangent to circle C. Solve for x.

Mathematics
2 answers:
Irina-Kira [14]3 years ago
5 0
The answer is A !!!!!!!!

the two segments AD and AB are equal therefore if you make the two equal to each other you will get the answer: 

<span>x^​2+2=11 then you subtract two to put x squared on the side by itself
</span>then you have <span>x^​2=9
then all you have to do is take the square root of 9 and </span><span>x^​2 and you get x=3 
thefore the answer is A</span>
Gre4nikov [31]3 years ago
4 0

Answer:

The answer is D

Step-by-step explanation:

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What is an equation of the line that passes through the point (-4,3) and is
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Answer:

The perpendicular line 4x − 5y = 20 has a slope of 4/5 and as such, the slope of the required line = -5/4

(y - 3)/(x + 4) = -5/4 simplify to get the required equation: 5x + 4y + 8 = 0

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3 years ago
A + (b + c) = (A + b) + c<br><br><br> What property is this equation
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Solve for x.<br> 3x = 2/5<br><br> A) 1/4<br> B) 2/15<br> C) 5/6<br> D) 6/5
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Hope this helped!

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5 0
3 years ago
CALCULUS: For an object whose velocity in ft/sec is given by v(t) = sin(t), what is its distance, in feet, travelled on the inte
rodikova [14]

The linked answer is wrong because that integral gives you the net displacement of the object, not the total distance.

To get the distance, you have to integrate the speed (as opposed to velocity), which involves integrating the absolute value of the velocity function.

\mathrm{distance} = \displaystyle\int_1^5 |\sin(t)| \,\mathrm dt

By definition of absolute value,

|\sin(t)|=\begin{cases}\sin(t)&\text{for }\sin(t)\ge0\\-\sin(t)&\text{for }\sin(t)

Over this particular integration interval,

• sin(<em>t</em> ) ≥ 0 for 1 ≤ <em>t</em> < <em>π</em>, and

• sin(<em>t</em> ) < 0 for <em>π</em> < <em>t</em> ≤ 5

so you end up splitting the integral at <em>t</em> = <em>π</em> as

\mathrm{distance} = \displaystyle\int_1^\pi \sin(t)\,\mathrm dt + \int_\pi^5 (-\sin(t))\,\mathrm dt

Now compute the distance:

\mathrm{distance} = -\cos(t)\bigg|_1^\pi + \cos(t)\bigg|_\pi^5

\mathrm{distance} = -(\cos(\pi) - \cos(1)) + (\cos(5) - \cos(\pi))

\mathrm{distance} = -2\cos(\pi) + \cos(1) + \cos(5) \approx 2.82

making B the correct answer.

7 0
2 years ago
If 2m = 4x and 2w = 8x, what is m in terms of w?
Mariana [72]
2^m=2^n  take the natural log of both sides

m*ln2=n*ln2  divide both sides by ln2

m=n
6 0
3 years ago
Read 2 more answers
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