Answer:
78
Step-by-step explanation:
7(x+4)2-3x=
(7x+28) x 2-3x=
(14+28) x 2-3x=
42 x 2-3x=
42 x 2-6=
84-6=
78
Answer: 5
Step-by-step explanation:
Answer:
A) Because A and E are perpendicular therefore making B 90 degrees. D same for DBC
B) Same as A. for A
C) because they are perpendicular to eachother
D) Because they are the same angle they are equal to eachother
E) We assume that they are both 45 degrees thus making them equal to eachother
Step-by-step explanation:
Answer:
x ≥5 or 5 ≤x
Step-by-step explanation:
2x ≤ 5x - 15
Subtract 5x from each side
2x-5x ≤ -15
-3x ≤-15
Divide each side by -3, remembering to flip the inequality
-3x/-3 ≥ -15/-3
x ≥5
Check x=10
2*10 ≤5*10 -15
20 ≤50 -15
20 ≤35
True
Width plus 6 feet is the answer to the problem