Answer:
Option c is right.
Step-by-step explanation:
Given is a parabola y =x^2
From that transformation is done to get parabola as
y =(0.2x)^2
We find that instead of x here we use 0.2x
i.e. New x = 5 times old x
Hence there is a horizontal expansion of scale factor 5.
We can check with any point also
When y =4, x=2 in the parent graph
But when y =4 , we have x = 10 in the new graph
i.e. there is a horizontal expansion of scale factor 5.
Answer:
i would say by 7 not 100% sure sorry if it doesnt help :( im trying
Step-by-step explanation:
Answer: The area of shaded section is 491.07 cm²
Step-by-step explanation:
Given: Radius of the circle = 25 cm
Now as shown in figure the shaded region is a quadrant.
Therefore the central angle is 90°
Now as we know
Area of sector is given by
where r is radius and
is central angle
So we have
![Area = \dfrac{22}{7} \times (25)^2\times \dfrac{90^\circ}{360^\circ} \\\\\Rightarrow Area= \dfrac{22}{7} \times 625 \times \dfrac{1}{4} \\\\\Rightarrow Area= \dfrac{11}{7} \times 625 \times \dfrac{1}{2} = 491.07cm^2](https://tex.z-dn.net/?f=Area%20%3D%20%5Cdfrac%7B22%7D%7B7%7D%20%5Ctimes%20%2825%29%5E2%5Ctimes%20%5Cdfrac%7B90%5E%5Ccirc%7D%7B360%5E%5Ccirc%7D%20%5C%5C%5C%5C%5CRightarrow%20Area%3D%20%20%5Cdfrac%7B22%7D%7B7%7D%20%5Ctimes%20625%20%5Ctimes%20%5Cdfrac%7B1%7D%7B4%7D%20%5C%5C%5C%5C%5CRightarrow%20Area%3D%20%20%5Cdfrac%7B11%7D%7B7%7D%20%5Ctimes%20625%20%5Ctimes%20%5Cdfrac%7B1%7D%7B2%7D%20%3D%20491.07cm%5E2)
Hence, the area of shaded section is 491.07 cm²
X Is a number so ( x +12) a