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2 years ago

What is the solution set for 24+ 2 = 6 given the replacement set {1,2,3,4} 1=2 1-4

Mathematics

1 answer:

Phantasy [73]2 years ago

6 0

Answer:

x is 2

Step-by-step explanation:

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Answer AND Step-by-step explanation:

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The equation is:

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3 years ago

Read 2 more answers

Find the directional derivative of f at the given point in the direction indicated by the angle θ.

anygoal [31]

Answer:

Directional derivative = 1/√2

Step-by-step explanation:

We are given f(x, y) = y cos(xy)

Now, we know that;

∇f(x, y) = ycos xy

Thus, applying that to the question, we have;

∇f(x, y) = [-y² sin xy, cos (xy) - xy sin xy]

At coordinates (0,1),we now have;

∇f(0, 1) = [-1²•sin0, (cos 0) - 0]

∇f(0, 1) = [0, 1]

Now, unit vector indicated by the angle θ is given as; u = [cos θ, sin θ]

From the question, since θ = π/4, thus

u = [cos π/4, sin π/4]

Cos π/4 in surd form is; 1/√2

Also, sin π/4 in surd form is; 1/√2

So, u = [1/√2, 1/√2]

Directional derivative = [∇f(0, 1)] • u

= [0, 1] × [1/√2, 1/√2] = 0 + 1/√2 = 1/√2

4 0

2 years ago

81-1 1/5x < 55

Norma-Jean [14]

Answer:

A. I guess

Step-by-step explanation:

not really sure

8 0

1 year ago