Answer: The density of a certain material is such that it weighs 9 pounds per cubic foot of
Answer:
x=3
Step-by-step explanation:
∠DBC+∠VBC is 180° since it is a straight line, ∠VBC=20x+5
The sum of all angles in a triangle is 180°, 9x-2 + 40° +∠DBC=180°
To find x, you can find ∠DBC first. *Don't forget BRACKETS
∠DBC=180-(20x+5)
∠DBC=180-(9x-2 + 40°)
Now equal the equations to each other to find x.
180-(20x+5)=180-(40+9x-2)
180-20x-5=180-40-9x+2
175-20x=142-9x
175-142=20x-9x
33=11x
x=33/11
∴x=3
The ordered pair that describes the origin is (0, 0).
That's because x=0 and y=0 at the origin.
6+5+x=41
11+x=41
11+-11+x=41+-11
x=30
Sue is 30 years old
Answer:
4
Step-by-step explanation:
4(4-4)+4=4
insert 2 in a and-2 in b
