3 years ago

The midpoint of AB = need help?

Mathematics

1 answer:

8_murik_8 [283]3 years ago

8 0

Step-by-step explanation:

1,0 looks like the midpoint

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Answer:

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Step-by-step explanation:

a) The ideal weight of a 6-foot (72 inches) male is given by simply applying h= 72 in to the expression:

$W(72) = 49+2.2(72-60)\\W(72) =75.4\ kg$

b) Expressing height as a function of weight:

$W(h)= 49+2.2(h-60)\\2.2h-132+49=W\\h(W)=\frac{W+83}{2.2}$

Verifying with W(h(W)):

$W(h(W))= 49+2.2(\frac{W+83}{2.2} -60)\\W(h(W))= 49-132+W+83\\W(h(W))=W$

Verifying with h(W(h):

$h(W(h))=\frac{(49+2.2(h-60))+83}{2.2}\\h(W(h))=\frac{(49+2.2h-132+83)}{2.2}\\h(W(h))=h$

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3 years ago

How to write all real numbers in set notation?

laila [671]

Hi, this is the notation for inclusion of all real numbers.

$x \in \mathbb{R}$

We can also state numbers which are positive or negative with a sign on top of the R notation like so:

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