Step-by-step explanation:
a) gradient= y2-y1/x2-x1
gradient of AB:
gradient=-4-1/2-3
=-5/-1
=5
gradient of BC:
=-5+4/7-2
=-1/5
b) as the priduct of both gradient is -1 ,both lines are perpendicular.
c) as we have seen lines are perpendicular so it is a right angled triangle.
Answer:
5 feet of wall should be on each side of the painting.
Step-by-step explanation:
Given that a 3 foot wide painting should be centered on 13 foot wide wall, to determine how many feet should be on each side of the painting, the following calculations must be performed:
(13 - 3) / 2 = X
10/2 = X
5 = X
Therefore, 5 feet of wall should be on each side of the painting.
Answer:
28
Step-by-step explanation:
10 - (-18)
=> 10 + 18
=> 28
Hoped this helped.
Answer:
8%
Step-by-step explanation:
Its still 8% of her money
Answer:
1.14
Step-by-step explanation:
3/10/3.8
=3/10×3.8
=0.3×3.8
=1.14
pls mark brainliest