Answer:
x = 27
Step-by-step explanation:
∠ CAD and ∠ EDF are corresponding angles and are congruent, so
∠ CAD = 2x
The sum of the 3 angles in Δ ABD = 180°
sum the angles and equate to 180
72 + 2x + 2x = 180
72 + 4x = 180 ( subtract 72 from both sides )
4x = 108 ( divide both sides by 4 )
x = 27
Answer:
1/4
Step-by-step explanation:
15 out of the 20 books are horses. 5 of those are nature. 5/20 is the fraction, but can be simplified to 1/4
Answer:
27000 inches^3
Step-by-step explanation:
The volume of a cube is sidelength^3.
The side length is 30 inches, so the volume is 30^3 = 27000 inches^3.
Answer:
Step-by-step explanation:
These two expressions are definitely not equal.
4 7/9 is a repeating decimal: 4.77777 ... (use your calculator)
whereqs 4.7 is NOT a repeating decimal.