3 years ago

How many eighty- fours are in 672?

Mathematics

1 answer:

ryzh [129]3 years ago

4 0

672/84= 8 (answer)

there are 8 84s in 672

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Using the fundamental poisson brackets find the values of a and b for which the equations represent a canonical transformation g

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a rectangular has an area of 30 square meters and a perimeter of 34 meters what are the dimensions of the rectangle

stellarik [79]

Simple..

For area, it's A=l*w

15*2=30

And, perimeter, it's P=l+l+w+w

15+15+2+2=34

Thus, your answer.

l=15 and w=2,or, w=15 and l=2

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Answer:

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Step-by-step explanation:

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3 years ago

What is the answer to this?

amm1812

Answer:

solution,

BC=8.4 cm

AB=12 cm

BD=4.1 cm

We have to find out: AC ,CD

using Pythagoras theorem:

In ∆ABC ,<B=90°

${(ac)}^{2} = {(ab)}^{2} + {(bc)}^{2} \\ {(ac)}^{2} = {(12)}^{2} + {(8.4)}^{2} \\ {(ac)}^{2} = 144 + 70.56 \\ {(ac)}^{2} = 214.56 \\ ac = \sqrt{214.56} \\ ac = 14.64 \: cm$

Similarly,

In ∆BCD, CB=90

$cd = \sqrt{ {(8.4)}^{2} + {(4.1)}^{2} }$

$= \sqrt{70.56 + 16.81} \\ = \sqrt{87.37} \\ = 9.34 \: cm$

Perimeter:

AC+CD+AD

=14.64+9.34+(12+4.1)

=40.08

= 40.1 cm

Hope this helps...

Good luck on your assignment..

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