Answer:
h = 20 cm
Step-by-step explanation:
The area of a trapezoid is given by
A = 1/2 (b1+b2) *h
where b1 and b2 are the two bases
We are given a =400 and b1 =27 and b2 =13
400 = 1/2 (27+13) *h
400 = 1/2 (40) *h
400 = 20h
Divide each side by 20
400/20 = 20h/20
20 =h
Answer:
it is -4h
step-by-step explanation:
Answer:
D. The colonies benefit from being part of the British empire
Step-by-step explanation:
Answer:
20% Profit percentage
Step-by-step explanation:
Since Raghu bought 80 oranges at 3Rs each, his total expense (E) is:

Now for his earnings, he sold 30% of the oranges for 5Rs each and 70% for 3Rs each. Therefore, his earnings are represented by the following expression:

His profit percentage (%) can be found as follows:
