Question

2. The tail of a fish is as long as its head plus áth of its body. Its body is
three-fourths of its whole length. If its head is 4 cm long, what is the total
length of the fish?​

Answer 1

Answer:

6\7x+ 8 cm

Step-by-step explanation:

let body of fish be x

given hthat head of fish is 4 cm and its tail is 1\8 +head as well its body. is 3\4 of its whole length

for its whole length we need to plus his head and tail and body

length = 4+1\8 x + 3\4x +4

=28\32 x+8

=6\7x +8

therefore the total length of fish is 6/7 of its body + 8 cm

Answer 2

question

use herons formula to find the area of a triangle of lengths 7,8,9.Give your answer in surd form.