Mountain officials want to know the length of a new ski lift from A to C , as shown in the figure below. They measure angle DAC
1 answer:
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Answer:
It's irrational
Step-by-step explanation:
the square root of 27 is equal to:
We know that is an irrational number (but a real number), so
is the same.
In case we need to prove that is irrational, please leave a comment.
30 ounces of the coffee John likes consists of
ounces of water
ounces of cocoa
To this mixture we're adding ounces of water, so that the new mix has a total volume of
ounces and matches the composition of the coffee Lily likes. This means it would consist of
ounces of water
ounces of cocoa (same amount of cocoa as before because pure water is being added)
Solve for :
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Just to confirm: the new mixture consists of
ounces of water
ounces of cocoa
giving a total volume of ounces of coffee, and
, as required.