**Answer:**

5/32.0

the first box in the top is 6 because 5 goes into 32 five times, then you subtract 32-30 which gives you your 20 at the bottom, then 5 goes into 20 4times, so you put the 4 in the second box on the top

then you go 20-20 to get 0

answer=6.4

**Step-by-step explanation:**

-13. Pls mark me brainliest

When you add all the angles of a triangle together, you will always get 180 degrees.

Since we know the measures of two angles (a right angle is 90 degrees) we can just subtract those two from 180

180 - 90 - 50 = **40 degrees**

To determine the centroid, we use the equations:

x⁻ =
1/A (∫ (x dA))

y⁻ = 1/A (∫ (y dA))

First, we evaluate the value of A and dA as follows:

A = ∫dA

A = ∫ydx

A = ∫3x^2 dx

A = 3x^3 / 3 from 0 to 4

A = x^3 from 0 to 4

A = 64

We use the equations for the centroid,

x⁻ = 1/A (∫ (x dA))

x⁻ = 1/64 (∫ (x (3x^2 dx)))

x⁻ = 1/64 (∫ (3x^3 dx)

x⁻ = 1/64 (3 x^4 / 4) from 0 to 4

**x⁻ = 1/64 (192) = 3**

y⁻ = 1/A (∫ (y dA))

y⁻ = 1/64 (∫ (3x^2 (3x^2 dx)))

y⁻ = 1/64 (∫ (9x^4 dx)

y⁻ = 1/64 (9x^5 / 5) from 0 to 4

**y⁻ = 1/64 (9216/5) = 144/5**

**The centroid of the curve is found at (3, 144/5).**

**Answer:**

4 = 60 5 = 120 6 = 120 7 = 60

**Step-by-step explanation:**