Answer:
C
Step-by-step explanation:
In elementary geometry, the property of being perpendicular (perpendicularity) is the relationship between two lines which meet at a right angle (90 degrees). The property extends to other related geometric objects.
Answer:
y = 7
Step-by-step explanation:
Firstly multiply each and every term by 9
17/9 - y/3 = -4/9
; 17 - 3y = -4...then move the variabkes without (y) to one side,
; 21 = 3y....then divide both sides by 3
; 7 = y
;Hence..., y = 7
Answer:
F and D
Step-by-step explanation:
When a negative number is multiplied by a positive number, the result is a negative number. When a negative number is multiplied by another negative number, the result is positive.
the original price is "x", or 100%.
but we know that if we reduce "x" by 20%, namely 100% - 20% = 80%, the 80% of "x" is really £50, what is "x" or the 100% anyway?
