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mrs_skeptik [129]
3 years ago
6

Look at image please help me

Mathematics
1 answer:
crimeas [40]3 years ago
3 0
The answer is y^3/x^3
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Find the cosine of ∠W.
d1i1m1o1n [39]

Answer:

ok so u =?? 15 and 17= 2 but cant be cs they 2 4 6 8 10 12 14 16 not 15 or 17so 3

Step-by-step explanation:

5 0
2 years ago
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bixtya [17]

Answer:

3 StartRoot 2 EndRoot + 2 StartRoot 5 EndRoot units

Step-by-step explanation:

we know that

The isosceles trapezoid has :

Two parallel sides not equal in length called its bases  (KL and NM)

Two non-parallel sides equal in length (LM and NK)

so

NK=\sqrt{5}\ units

The perimeter is equal to

P=KL+LM+NM+NK

substitute the values

P=2\sqrt{2}+\sqrt{5}+\sqrt{2}+\sqrt{5}

P=(3\sqrt{2}+2\sqrt{5})\ units

3 StartRoot 2 EndRoot + 2 StartRoot 5 EndRoot units

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3 years ago
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kogti [31]

Answer:

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Step-by-step explanation:

4 0
3 years ago
Find the distance from the origin to the graph of 7x+9y+11=0
Cerrena [4.2K]
One way to do it is with calculus. The distance between any point (x,y)=\left(x,-\dfrac{7x+11}9\right) on the line to the origin is given by

d(x)=\sqrt{x^2+\left(-\dfrac{7x+11}9\right)^2}=\dfrac{\sqrt{130x^2+154x+121}}9

Now, both d(x) and d(x)^2 attain their respective extrema at the same critical points, so we can work with the latter and apply the derivative test to that.

d(x)^2=\dfrac{130x^2+154x+121}{81}\implies\dfrac{\mathrm dd(x)^2}{\mathrm dx}=\dfrac{260}{81}x+\dfrac{154}{81}

Solving for (d(x)^2)'=0, you find a critical point of x=-\dfrac{77}{130}.

Next, check the concavity of the squared distance to verify that a minimum occurs at this value. If the second derivative is positive, then the critical point is the site of a minimum.

You have

\dfrac{\mathrm d^2d(x)^2}{\mathrm dx^2}=\dfrac{260}{81}>0

so indeed, a minimum occurs at x=-\dfrac{77}{130}.

The minimum distance is then

d\left(-\dfrac{77}{130}\right)=\dfrac{11}{\sqrt{130}}
4 0
3 years ago
One of the legs of a right triangle measures 2 cm and its hypotenuse measures 19 cm.
pentagon [3]

Answer:

18.9

Step-by-step explanation:

361-4 = 357

the root of 357 is 18.9 when rounded

8 0
2 years ago
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