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we need to find the area of a circle with a radius of 21.
we also need a formula for this, which is
⇒
the known value is r, radius, 21.
after substituting the value into the formula, we obtain:
⇒
now we multiply the radius times itself:
⇒
<u>which can be</u> <u>written</u> <u>as</u>
<u />
<u>⇒</u>
and finally, multiply the values
⇒
by:
have a great rest of your day ahead ~ = )
Answer:
104 Notepads per box
Step-by-step explanation:
b - boxes
416=4b
b=104
What do you want me to do with that?
Answer:
Step-by-step explanation:
16 pieces of the candy is not chocolate.
Differentiate with respect to x and y
2x +10 y y' = 0
get y' alone
y' = -2x/(10 y)
reduce
y'=-x/(5y)
continue with quotient rule of differentiation
y'' = ( 5y(-1) - (-x) (5y')) / (5y) squared
y'' = (-5y + 5xy') / (25y squared)
reduce by dividing each term by 5
y" = (-y +xy') / (5y squared) answer
Now if the teacher wants you to continue so no y or y' shows
substitute y' = -x/(5y) and y = square root ((5-x squared) / 5)
and simplify