I need help on this question plz
1 answer:
When there are a number of similar calculations to do, it is convenient to program a calculator or spreadsheet to do them for you. The formula for the volume (V) of a cylinder in terms of height (h) and radius (r) is
... V = π·r²·h
You simply need to substitute the given values and determine if the result is greater than 50. For glass A, this looks like
... V = 3.14·2.25²·3 = 47.68875 . . . . . less than 50, so too small
The volumes of the other glasses are calculated in the attachment.
glass B: large enough
glass C: too small
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In this question , we have to find, which option represents inverse functions.
Let's check out option b
Let it be y
So we have
Switching x and y and solving for y,
Performing cross multiplication
Combining like terms
Which is same as of the other function.
So correct option is b .