4 years ago

Draw and label comparison bars to show each situation.

Mathematics

1 answer:

zepelin [54]4 years ago

7 0

I can’t help with this sorry you can go to your App Store and download diagram app

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AfilCa [17]

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3 years ago

Suppose x and y are nonzero vectors in an inner product space. Show that x and y are orthogonal if and only if ||x+y|| = ||x-y||

harkovskaia [24]

Answer:

Step-by-step explanation:

Suppose x and y are nonzero vectors in an inner product space.

Let us assume that x and y are orthogonal

i.e. innter product is 0.

This implies dot product of x and y is 0

Then x.y =0

i.e. $x^2+y^2 +2x.y = x^2+y^2-2x.y\\||x+y||=||x-y||$

Proved

Converse part:

Let $||x+y||=||x-y||$

Square also would be equal

$||x+y||^2=||x-y||^2\\||x||^2+||y||^2+2x,t=||x||^2+||y||^2-2x.y\\x.y =0$

Hence inner product of x and y is 0

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3 years ago

It takes Dan 32 minutes to complete 2 pages of math homework. At this rate, how many pages does he complete in 200 minutes?

kakasveta [241]

Answer:

12.5 pages

Step-by-step explanation:

32 minutes/2 pages = 16 minutes per a page

200 minutes/16= 12.5 pages

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3 years ago

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A confectioner mixes forty liters of 60% sugar syrup with a 10% syrup to make a 20% sugar syrup. How much of the 10% should she

katen-ka-za [31]

Whatever he/she said...................

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3 years ago

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What’s the answer ?

Rudik [331]

Answer:

B. 3.79797979797979

Step-by-step explanation:

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4 years ago

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