Answer:
x = -8
Step-by-step explanation:
(-8, 7) and (-8, -2)
m=(y2-y1)/(x2-x1)
m=(-2-7)/(-8+8)
m=(-9)/0
m = undefined slope or no slope
x = -8
10% of 40 =
10% × 40 =
.10 × 40 = 4.00
Tax is $4
Amount Paid is 40 + 4 = $44
Answer:a) 870
b) 435
Step-by-step explanation:
a)
number of photos to be posted =n = 30
number of web pages on which they would be posted is 2
Since the order in which the photos appear on the web pages matters,
Number of ways = 30 permutation 2
=870 ways
b)
Since the order in which the photos appear on the web pages does not matter,
Number of ways = 30 combination 2
= 435 ways
The answer to this question is true