1.2 + d + 0.4 = 9.7
1.6 + d = 9.7
1.6 (-1.6) + d = 9.7 (-1.6)
d = 8.1
your answer is 8.1
hope this helps
Answer:
11 minutos.
Step-by-step explanation:
En las Olimpiadas de Matemáticas, la hora de inicio del evento se expresa en una ecuación simple: 2x + 6 = x + 17 ¿A qué hora comenzó el evento?
La hora en que comienza el evento en los juegos olímpicos se representa como x
Por tanto: 2x + 6 = x + 17
Recopilar términos similares
2x - x = 17 - 6
x = 11 minutos
Por lo tanto, los eventos comienzan en 11 minutos.
Answer:
the answer for the 2nd question is 1/4
Step-by-step explanation:
i took the test
Answer:
The age of the person who entered the room is 15
Step-by-step explanation:
We are given:
Ages of 5 people in a room are:
17, 16, 15, 17, 22
A person enters room, and then the mean age of 6 people is 17.
We need to find the age of person who entered the room.
The formula to calculate mean is: 
Now, in question we are given mean of 6 people that is 17
The age of 5 people are given while age of one person who enters the room is unknown.
Let age of person whose age is unknown= x
Now finding x using mean formula

So, The value of x: x=15
Hence, the age of the person who entered the room is 15
Answer:
755s
Step-by-step explanation:
60*12+35=755
This is the way