Answer:
-10x +4
Step-by-step explanation:
5.250
To change a fraction to a decimal fraction divide the numerator by the denominator.
that is 21 ÷ 4 = 5.250 ( to 3 decimal places )
Answer: 818.4
Step-by-step explanation:
Using the area of a sector formula, we get the area of the entire sector is
.
Using the formula
, we get the area of the triangle is
.
So, the area of the shaded sector is 
Answer:
-9x
Step-by-step explanation:
-7x + -2x
Factor out the x
x(-7-2)
x(-9)
-9x