daniel9295 daniel9295
  • 25-11-2022
  • Mathematics
contestada

11. The average age of 19 students is 20 years. If the teacher is added the
average age increases by 2. How old is the teacher?
b. 80
a. 60
c. 38
d. 22

Respuesta :

Otras preguntas

Solve these simultaneous equations:x + y = 24y² - x²= 11​
Draw a isosceles triangle ABC in which AB=AC=6cm and BC=5cm. Construct a triangle PQR similar to triangle ABC in which PQ=8cm. Also justify the construction
The function ​f(x)​ is the height of a model rocket x seconds after launch. The rocket reaches its maximum height in 2.5 seconds and hits the ground at 5 secon
There were old, half-rotten vegetables; bones from the evening meal, covered in white sauce that had gone hard; a few raisins and almonds, some cheese that Greg
12x+4-(12x+-88)+1=12x+7x-7(2+5) Who wanna talk
836.45 write in words
Plants use nitrates to form ____?
How is the greenhouse effect related to global warming?
The function ​f(x)​ is the height of a model rocket x seconds after launch. The rocket reaches its maximum height in 2.5 seconds and hits the ground at 5 secon
What is outsourcing? A:When companies open factories in other countries B:When companies must close their U.S. factories C:When companies have their products ma