Answer:
61
Step-by-step explanation:
x+x+1+x+2 = 183
3x+3 = 183
3x = 180
x = 60
Second number = x+1 = 61
20 minutes × 2 = 40 minutes
41 questions × 2 = 82 questions
40 minutes × 2 = 80 minutes
82 questions × 2 = 164 questions
Answer:
2.3
Step-by-step explanation:
n = Number of data points = 
The data set is

Mean

Absolute mean deviation

The mean absolute deviation of the data set is
.
Answer: The required expression is 3x+4.
Step-by-step explanation:
Since we have given that
Let the number of wristbands that Shelly has be 'x'
Let the number of wristbands that Kaitaia has be 
Let the number of wristbands that Rea has be three more than twice the number that shelly has be

According to question, the expression that shows the number of wristbands more Katia has than Rea is given by

Hence, the required expression is 3x+4.
Answer:
it should be: −2b2+17b−15
Step-by-step explanation: