$64 is 80% of $80. To find how many percent of $80 is $64. $64/$80 = 0.8 or 80% To find how many percent of decrease, just subtract 80-64=16; $16/$80= 0.2 or 20%

3 0

4 years ago

I can understand the meaning (passive)<br>

iVinArrow [24]

Answer:

i know it bro

Step-by-step explanation:

The meaning is being understood by me.

brainliest

7 0

3 years ago

Read 2 more answers

Please help!! If f (x) = e^x sin x, then f’ (x) =

shusha [124]

Answer:

$f'(x) = {e}^{x}( \sin x + \cos x )$

Step-by-step explanation:

$f(x) = {e}^{x} \sin x \\ \\ f'(x) = \sin x \frac{d}{dx} {e}^{x} + {e}^{x} \frac{d}{dx} \sin x \\ \\ f'(x) = \sin x \: {e}^{x} +{e}^{x} \cos x \\ \\ f'(x) = {e}^{x}( \sin x + \cos x )$

5 0

3 years ago

Which of the following lists of ordered pairs is a function?

Amanda [17]

Answer:

Step-by-step explanation:

a function is a relation from a set of inputs (X) to a set of possible outputs where each input is related to exactly one output (Y). Only option B satisfies this definition

3 0

4 years ago