Answer:
116 cm²
Step-by-step explanation:
Shaded Area = area of the larger circle - area of the smaller circle
Area of the larger circle = πr²
Where,
r = 6.5 cm
Area = π*6.5² = 42.25π cm²
Area of smaller circle = πr²
Where,
r = 2.3 cm
Area = π*2.3² = 5.29π cm²
✔️Shaded area = 42.25π - 5.29π = 36.96π = 116.113264
Area = 116 cm² (3 S.F)
Answer:
The first derivative of the given function

Step-by-step explanation:
<u><em>Step(i):-</em></u>
Given f(x) = ae⁻ᵇˣ ...( i )
we will use differentiation formula

<em><u>Step(ii)</u></em>
Differentiating equation (i) with respective to 'x', we get

= -ab e⁻ᵇˣ

<u><em>Final answer:-</em></u>
The first derivative of the given function

Answer:

Step-by-step explanation:

D.
it is a linear function as each time x increases by 1, y increases by 18
Answer:
50%
Step-by-step explanation:
Is means equals and of means multiply
4 = P * 8
Divide each side by 8
4/8 = P 8/8
.5 = P
Multiply each side by 100 to change from decimal form to percent form
50% = P
4 is 50% of 8