What is the working for 6 3/4 x 5 2/3

Step-by-step explanation:

One of the easier ways in which to complete this multiplication is to convert the multiplicands 6 3/4 and 5 2/3 into improper fractions:

6 3/4 = 27/4

5 2/3 = 17/3

Then we multiply:

27/4 *17/3

This reduces to 9(17)/4, or 153/4, or 38 24, or 30 7/20.  All of these rsults are correct.

f(x) has value 150 at x= 0

and 0 at x= 3

so d(f(x))/dt = slope = -150/3 = -50

look at the picture.

1.

ef : ab = 2 : 3

gf : cb = 2 : 3

gh : cd = 2 : 3

he : da = 2 : 3

2.

∠a ≅ ∠e

∠b ≅ ∠f

∠c ≅ ∠g

∠d ≅ ∠h

3.

use pythagorean theorem:

the length of the abcd trapezoid sides:

|ab| = 3 cm

|bc| = 10 cm

|cd| = 3(3) cm = 9 cm

|da| = 8 cm

the perimeter of abcd = 3 + 10 + 9 + 8 = 30 cm

the ratio of perimeters of the tarapezoids is equal 2 : 3.

substitute:

      cross multiply

      divide both sides by 3