Im very much lst on this can someboby help me

Mathematics

1 answer:

marshall27 [118]3 years ago

6 0

Answer:

It is asking, how much did the chirps increase between these temperatures. From 40-50 it increased 40 from 50-60 it increased another 40 etc. This does create a line.

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Suppose you need to know an equation of the tangent plane to a surface S at the point P(4, 1, 3). You don't have an equation for

Harlamova29_29 [7]

Answer:

-30(x-4) + 29 (y-1) -12(z-3) = 0

Step-by-step explanation:

You can find the perpendicular vector to both curves using the cross product between them, and that will give you all the information you need to find the equation of the tangent plane to the surface S.

Let's find the parameter of each curve for the specific point.

For the first curve notice that

$r( 0 ) = (4,1,3)$

And for the second curve notice that

$r2(1) = (4,1,3)$

Thus for the first curve we reach our point at $t=0,$ and for the second curve we reach our point at $u = 1 .$

Then we compute the tangent vector to our curves, and it would be given by the derivative so

$r1'(t) = (2,-2t,-5+2t)$ and at $t = 0$ we have that

$r1'(0) = (2,0,-5)$

Similarly

$r2'(1)=(3+2(1) , 6(1)^2 ,2) = (5,6,2)$

The the cross product between the two vectors would be

$(5,6,2) \times (2,0,-5) = (-30,29,-12)$

Since (-30,29,-12) would be the perpendicular vector to the tangent plane and (4,1,3) would be a point of the tangent then we would have that the equation of the tangent plane is given by

-30(x-4) + 29 (y-1) -12(z-3) = 0

4 0

3 years ago

Identify all sets to which the number belongs. –0.249851765...

Ulleksa [173]

Answer:

i. Irrational numbers

ii. Real numbers

Step-by-step explanation:

The given decimal is –0.249851765...

This number does not recur and it does not also terminate.

It belongs to the set of irrational numbers because it cannot be written in the form $\frac{a}{b}$ where $a,b\in R$ and $b\ne0$ .