Answer:
Step-by-step explanation:
You need to find the slopes of the line segments.
If the lines are perpendicular to each other, the product of their slopes is -1.
If the lines are parallel, they have the same slope.
Answer:
Rs 19.20
Step-by-step explanation:
Buying price = Rs 20
Profit = 20% = 0.20 × 20 = Rs 4
Selling price = buying price + profit = Rs 20 + Rs 4 = Rs 24
He wants to make a 25% profit.
Let's say he should buy the pen at Rs 'a' in order to make that amount of profit.
∴ a +
= 24
1.25a = 24
a = 
So he should buy the pen at Rs 19.20
3x+8.5 =2.5x + 14.5
subtract 2.5x from each side
.5x + 8.5 = 14.5
subtract 8.5 from each side
.5x =6
multiply by 2
x =12
at 12 weeks they will be the same height
Choice B
Answer:
(in order)
Size small shirts: 18, 36, 63, 1800
Size large shirts: 4, 8, 14, 200
Step-by-step explanation:
For every 9 small, there is 2 large, therefore if there is 18 small, then there is 4 large because there are two 9s in 18.
The longer sides are slanting and the shorter sides arent