3 years ago

What is the area of this figure? (Please someone help I’m gonna lose my head thanks to IXL)

Mathematics

1 answer:

Romashka [77]3 years ago

3 0

Answer:

Hey love IKR those ixls be making me angry sometimes! Here you go!

Answer: 287!

Hope that helps ya!

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Y=sech(tan‐¹x) find the derivative

Klio2033 [76]

Recall that

d/dx sech(x) = - sech(x) tanh(x)

d/dx tan⁻¹(x) = 1/(1 + x²)

Then by the chain rule,

dy/dx = - sech(x) tanh(x) / (1 + x²)

8 0

3 years ago

What are parallel lines

tankabanditka [31]

Answer:

Parallel lines are lines <u>in the same plane</u> that do not intersect, like lines on notebook paper.

The "in the same plane" requirement is important! Take a look at the attached image. Lines AD and DC don't intersect, but they are <u>not</u> in the same plane (face of the rectangular solid). We don't call those parallel, we call them skew lines.