mubarekelias mubarekelias

02-03-2021
Mathematics

contestada

Tesfa is x years old. his father is 4 times as old as Tesfa. Her mother is 7 years younger than his father. If their three ages add up to 101 years, how old is Tesfa?

Respuesta :

hd41186 hd41186

02-03-2021

tesfa = x

dad = 4x

mom= 4x-1

x+4x+4x-1=101

9x+1=101

9x=100

100/9= 11.1

Answer Link

Otras preguntas

Explain the process of how clouds form

which scale is the smallestA. 1: 10 000B. 1: 50 000C. 1: 25 000D. 1: 100 000

What is the sum of the first 10 terms of this geometric series? Use . 6,144 + 3,072 + 1,536 + 768 + ⋯

Hypothesis: The angle of incidence affects the angle of reflection Independent variable: Dependent variable Control variables:

Two sled dogs are pulling on the same sled. The sled needs to travel due North. The first dog, Chuck, is pulling with 135 pounds of force at an angle 15 degrees

write a article on famous places in UAE

a3 -a2 b2 +b3 when a=(-2) and b=(-1)

solve for x then solve for the angle indicated- m

Evaluate (picture below of the problem)

What two regions are the most challenging for transportation in Africa therefore making trade more difficult, and having a negative effect on the economies ther