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3 years ago

How many fourths are in 2 1/2

Mathematics

2 answers:

Oxana [17]3 years ago

4 0

$2\frac{1}{2}:\frac{1}{4} = \frac{5}{2}*4=10$

Nat2105 [25]3 years ago

4 0

2 1/2 is the same as 5/2 which is the same as 10/4, so 10 is the answer :)

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Answer:

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Step-by-step explanation:

Given

$P = (\frac{1}{2}, \frac{\sqrt 3}{2})$

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$u = \frac{\sqrt 3}{2}i - \frac{1}{2}j$

Next, find the gradient of P and T using: $\triangle T = \nabla T * u$

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So: the gradient becomes:

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$\triangle T = [(sin \sqrt 3)i + (cos \sqrt 3)j] * [\frac{\sqrt 3}{2}i - \frac{1}{2}j]$

By vector multiplication, we have:

$\triangle T = (sin \sqrt 3)* \frac{\sqrt 3}{2} - (cos \sqrt 3) \frac{1}{2}$

$\triangle T = 0.9870 * 0.8660 - (-0.1606 * 0.5)$

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