Answer:
583
Step-by-step explanation:
The mean of a data set is the average of the data set. It can be found by adding up all of the values and then dividing by the total number of values added. In this case, one is given the mean, and one needs to find a missing value. Since there is a missing element, add one to the total number of values in the data set. The missing element is represented by the parameter (x). Set up an equation and solve:

Simplify,

Inverse operations,

Answer:
You buy plans in brainly.
Step-by-step explanation:
Answer:
The red drone will be at the same height as the blue drone at 33.33 seconds, therefore higher at 34 seconds.
Step-by-step explanation:
Red drone = 100 + 8*seconds
Blue drone = 180 + 5*seconds
100 + 8*seconds = 180 + 5*seconds
3*seconds = 100
seconds = 33.33
Answer:
30
Step-by-step explanation:
3 pieces each 1 dekameter long
1 dekameter = 10 meters
Convert dekameters to meters
3 pieces each 10 meters long
Multiply
Glenn has 30 meters of lanyard
Divide
He can cut 30 1-meter pieces
Hope this helps :)