The radius of a circle is 4 in. what is the approximate area of the circle? show your work to receive
1 answer:
Answer:
50.24 in²
Step-by-step explanation:
Radius of the circle = 4 in
Area of a circle = πr²
= 3.14 × (4)² {π = 3.14}
= 3.14 × 16
= 50.24 in²
You might be interested in
Answer:
13
Step-by-step explanation:
5w-43=22
-43+43 cancles out
22+43=65
65/5=13
w=13
I believe that the answer is y=-2x +20. please correct me if I am wrong.
Implicit Differentiation
Step-by-step explanation:
Given:

Recall:
![x^{\frac{2}{3}} -y^{\frac{2}{3}} = 6 \\ \frac{\text{d}}{\text{d}x}(x^{\frac{2}{3}} -y^{\frac{2}{3}}) = \frac{\text{d}}{\text{d}x}(6) \\ \frac{\text{d}}{\text{d}x}(x^{\frac{2}{3}}) -\frac{\text{d}}{\text{d}x}(y^{\frac{2}{3}}) = 0 \\ \frac{2}{3}x^{\frac{2}{3} -1} -\frac{2}{3}y^{\frac{2}{3} -1}\cdot \frac{\text{d}y}{\text{d}x} = 0 \\ \frac{2}{3}x^{-\frac{1}{3}} - \frac{2}{3}y^{-\frac{1}{3}} \cdot \frac{\text{d}y}{\text{d}x} = 0 \\ \frac{2}{3\sqrt[3]{x}} -\frac{2}{3\sqrt[3]{y}}\cdot \frac{\text{d}y}{\text{d}x} = 0 \\ -\frac{2}{3\sqrt[3]{y}}\cdot \frac{\text{d}y}{\text{d}x} = -\frac{2}{3\sqrt[3]{x}} \\ -2 \cdot \frac{\text{d}y}{\text{d}x} = -\frac{6\sqrt[3]{y}}{3\sqrt[3]{x}} \\ \frac{\text{d}y}{\text{d}x} = -\frac{6\sqrt[3]{y}}{-6\sqrt[3]{x}} \\ \frac{\text{d}y}{\text{d}x} = \frac{\sqrt[3]{y}}{\sqrt[3]{x}}](https://tex.z-dn.net/?f=x%5E%7B%5Cfrac%7B2%7D%7B3%7D%7D%20-y%5E%7B%5Cfrac%7B2%7D%7B3%7D%7D%20%3D%206%20%5C%5C%20%5Cfrac%7B%5Ctext%7Bd%7D%7D%7B%5Ctext%7Bd%7Dx%7D%28x%5E%7B%5Cfrac%7B2%7D%7B3%7D%7D%20-y%5E%7B%5Cfrac%7B2%7D%7B3%7D%7D%29%20%3D%20%5Cfrac%7B%5Ctext%7Bd%7D%7D%7B%5Ctext%7Bd%7Dx%7D%286%29%20%5C%5C%20%5Cfrac%7B%5Ctext%7Bd%7D%7D%7B%5Ctext%7Bd%7Dx%7D%28x%5E%7B%5Cfrac%7B2%7D%7B3%7D%7D%29%20-%5Cfrac%7B%5Ctext%7Bd%7D%7D%7B%5Ctext%7Bd%7Dx%7D%28y%5E%7B%5Cfrac%7B2%7D%7B3%7D%7D%29%20%3D%200%20%5C%5C%20%5Cfrac%7B2%7D%7B3%7Dx%5E%7B%5Cfrac%7B2%7D%7B3%7D%20-1%7D%20-%5Cfrac%7B2%7D%7B3%7Dy%5E%7B%5Cfrac%7B2%7D%7B3%7D%20-1%7D%5Ccdot%20%5Cfrac%7B%5Ctext%7Bd%7Dy%7D%7B%5Ctext%7Bd%7Dx%7D%20%3D%200%20%5C%5C%20%5Cfrac%7B2%7D%7B3%7Dx%5E%7B-%5Cfrac%7B1%7D%7B3%7D%7D%20-%20%5Cfrac%7B2%7D%7B3%7Dy%5E%7B-%5Cfrac%7B1%7D%7B3%7D%7D%20%5Ccdot%20%5Cfrac%7B%5Ctext%7Bd%7Dy%7D%7B%5Ctext%7Bd%7Dx%7D%20%3D%200%20%5C%5C%20%5Cfrac%7B2%7D%7B3%5Csqrt%5B3%5D%7Bx%7D%7D%20-%5Cfrac%7B2%7D%7B3%5Csqrt%5B3%5D%7By%7D%7D%5Ccdot%20%5Cfrac%7B%5Ctext%7Bd%7Dy%7D%7B%5Ctext%7Bd%7Dx%7D%20%3D%200%20%5C%5C%20-%5Cfrac%7B2%7D%7B3%5Csqrt%5B3%5D%7By%7D%7D%5Ccdot%20%5Cfrac%7B%5Ctext%7Bd%7Dy%7D%7B%5Ctext%7Bd%7Dx%7D%20%3D%20-%5Cfrac%7B2%7D%7B3%5Csqrt%5B3%5D%7Bx%7D%7D%20%5C%5C%20-2%20%5Ccdot%20%5Cfrac%7B%5Ctext%7Bd%7Dy%7D%7B%5Ctext%7Bd%7Dx%7D%20%3D%20-%5Cfrac%7B6%5Csqrt%5B3%5D%7By%7D%7D%7B3%5Csqrt%5B3%5D%7Bx%7D%7D%20%5C%5C%20%5Cfrac%7B%5Ctext%7Bd%7Dy%7D%7B%5Ctext%7Bd%7Dx%7D%20%3D%20-%5Cfrac%7B6%5Csqrt%5B3%5D%7By%7D%7D%7B-6%5Csqrt%5B3%5D%7Bx%7D%7D%20%5C%5C%20%5Cfrac%7B%5Ctext%7Bd%7Dy%7D%7B%5Ctext%7Bd%7Dx%7D%20%3D%20%5Cfrac%7B%5Csqrt%5B3%5D%7By%7D%7D%7B%5Csqrt%5B3%5D%7Bx%7D%7D)
Answer:
A, D
Step-by-step explanation:
It's basic math, height times length = Area.
Answer:
it's definitely a
Step-by-step explanation:
hi