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3 years ago

Mariam is making

Mathematics

1 answer:

ira [324]3 years ago

3 0

Answer:

Step-by-step explanation:

A trapezoid is shown, not a bag. If we assume that this shape is supposed to be the front of the bag, Mariam does NOT have enough pink fabric to make the front of the bag from pink fabric.

The area of the trapezoid shown is ...

A = (1/2)(b1 +b2)h

A = (1/2)(9 in + 8 in)(15 in) = 127.5 in^2

This area is larger than the amount of fabric Mariam has, so she does not have enough.

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Find e^cos(2+3i) as a complex number expressed in Cartesian form.

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The complex number $e^{\cos(2+31)} = \exp(\cos(2+3i))$ has Cartesian form

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Step-by-step explanation:

First, we need to recall the definition of $\cos z$ when $z$ is a complex number:

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$\exp\left(\cos(2+3i)\right) = \exp\left(\cosh 3\cos 2-i\sinh 3\sin 2\right)$

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2 years ago

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