Answer: -2
Step-by-step explanation: Perpendicular lines have negative reciprocal slopes. That means the fraction is flipped and multiplied by negative 1.
Answer:
(-∞,7) U (7,∞)
Step-by-step explanation:
All real values of x such x ≠ 7
Answer:
5. x=14
6 x=5
Step-by-step explanation:
31+9x+23=180
step 1 combine like terms
54+9x=180
step 2 subtract each side by 54
9x=126
step 4 divide each side by 9
x=14
21x-9=90+27
step 1 combine like terms
21x-9=117
step 2 add 9 to each side
21x=126
step 3 divide each side by 21
x=5
Answer:
20736
Step-by-step explanation:
xy^4 = z
x=4 , y=3
(4*3)^4=z
12^4=z
z=20736
Multiply the base by the height and then divide it by 2.
