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2 years ago

Find the value of the trig functions indicated.

Mathematics

1 answer:

otez555 [7]2 years ago

4 0

Answer:

Step-by-step explanation:

secθ = 17/15

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Help pls ! i’ll mark brainliest to whoever answers it right first. thanks !

Bess [88]

About 90ft

step-by-step explanation: 1/2 (a+b) x h is area of trapezoid. So that would be 40
then area of circle is pi x radius squared. So that is 50.24 roughly.

so 50+40=90

and yeah

hope this helped :))

7 0

3 years ago

Find an equation of the tangent plane to the given surface at the specified point. z = ln(x − 8y), (9, 1, 0)

Archy [21]

Answer:

x - 8y - z = 1

Step-by-step explanation:

Data provided according to the question is as follows

f(x,y) = z = ln(x - 8y)

Now the equation for the tangent plane to the surface

For z = f (x,y) at the point P $(x_0,y_0,z_0)$ is

$z - z_0 = f_x(x_0,y_0)(x-x_0) + f_y(x_0,y_0)(y-y_0)\\$

Now the partial derivatives of f are

$f_x(x,y) = \frac{1}{x-8y} \\\\f_y(x,y) = \frac{8}{x-8y} \\\\P(x_0,y_0,z_0) = (9,1,0)\\\\f_z(9,1,0) = (\frac{1}{x-8y})_^{(9,1,0)}$

$\\\\=\frac{1}{9-8}$

= 1

Now

$f_y(9,1,0)=(\frac{8}{x-8y})_{(9,1,0)}\\\\ = -\frac{8}{9 - 8}$

= -8

So, the tangent equation is

$z - 0 = 1\times (x - 9) -8\times (y - 1)$

Now after solving this, the following equation arise

z = x - 9 - 8y + 8

z = x - 8y - 1

Therefore

x - 8y - z = 1

4 0

3 years ago

Can someone please help I’m kinda confused

Sophie [7]

it can't have a nice day

4 0

2 years ago

Solve x2 – 4х + 1 = 0. x 2 + 215 оооо х = 4 + 3 0 х 2 + 3 x = -2 + 3

Assoli18 [71]

Answer:

Use photo math, it will explain all the steps

6 0

2 years ago

Please answer this friends I am stuck ?

goblinko [34]

Answer:

10°C average temperature

Step-by-step explanation:

Average Temperature = Lowest + 17

= -7 + 17

= 17 - 7

= 10°C average temperature

4 0

2 years ago