pls answer these questions. no rude answers. pls answer all questions. pls plspls .
Answers
see this .................
Answer:
13. -1/15
14. age of the son = 33 years and of father = 66 years.
15. the breadth = 105 cm and the length = 105 + 14 = 119 cm.
Step-by-step explanation:
13. 11/5×(9/22)×(-10/27)×-1/5 = -1/15
14. Let the age of the son be = x
age of the father will be = 2x
Given, x + 2x = 99
=> 3x = 99
=> x = 99/3 = 33
hence, age of the son = 33yrs
age of father = 33 x 2 = 66 yrs
15. let the breadth of the rectangle = x cm
let the length of the rectangle = x + 14 cm
perimeter of the rectangle = 2(l + b) = 448 cm
=> 2(x+14+x) = 448 cm
=> 2x + 28 + 2x = 448 cm
=> 4x = 448 - 28 cm
=> x = 420/4 cm
=> x = 105cm
hence the breadth = 105 cm
the length = 105 +14 = 119 cm